NRP / Natural Resource Partners L.P. - Limited Partnership - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Natural Resource Partners L.P. - Limited Partnership
US ˙ NYSE ˙ US63900P6088

Statistik Asas
LEI 529900EECJ7CSX1S1S58
CIK 1171486
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Natural Resource Partners L.P. - Limited Partnership
SEC Filings (Chronological Order)
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August 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact n

August 6, 2025 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2025 Results and Declares Second Quarter 2025 Distribution of $0.75 per Common Unit HOUSTON, August 6, 2025 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2025 results as follows: For the Three Months Ended Last

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 6, 2025 NATURAL RESOURCE P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 6, 2025 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

May 6, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 6, 2025 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organization

May 6, 2025 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2025 Results and Declares First Quarter 2025 Distribution of $0.75 per Common Unit HOUSTON, May 6, 2025 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2025 results as follows: For the Three Months Ended Last Twelve

May 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact

February 28, 2025 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2024 Results and Announces Special Distribution of $1.21 per Common Unit HOUSTON, February 28, 2025 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2024 results as follows: For the Thre

February 28, 2025 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Rivervista Mining, LLC NRP Trona LLC BRP LLC BRP Minerals LLC CoVal Leasing Company, LLC

February 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 28, 2025 NATURAL RESOURC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 28, 2025 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organi

February 28, 2025 EX-99.1

Financial Statements of Sisecam Wyoming LLC as of December 31, 2024 and 2023 and for the years ended December 31, 2024, 2023 and 2022.

Exhibit 99.1 Sisecam Wyoming LLC (A Majority-Owned Subsidiary of Sisecam Chemicals Wyoming LLC) Financial Statements as of December 31, 2024 and 2023 and for the Years Ended December 31, 2024, 2023, and 2022, and Reports of Independent Registered Public Accounting Firms SISECAM WYOMING LLC (A Majority-Owned Subsidiary of Sisecam Chemicals Wyoming LLC) TABLE OF CONTENTS Page Number REPORT OF INDEPE

February 28, 2025 EX-19.1

Natural Resource Partners L.P. Insider Trading Policy

Exhibit 19.1 GP NATURAL RESOURCE PARTNERS LLC Policy on Insider Trading THIS POLICY WAS ADOPTED BY THE BOARD OF DIRECTORS OF GP NATURAL RESOURCE PARTNERS LLC ON MAY 24, 2023. This policy should be read carefully by all directors, officers and consultants of GP Natural Resource Partners LLC (the “Company”), by such employees of Quintana Minerals Corporation, Western Pocahontas Properties Limited Pa

February 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-31465 NATURAL

February 28, 2025 EX-96.1

S-K 1300 Technical Report Summary on the Big Island Mine, Sweetwater County, Wyoming, USA, dated February 27, 2025.

Exhibit 96.1 NATURAL RESOURCE PARTNERS TECHNICAL REPORT SUMMARY STATEMENT OF RESOURCES AND RESERVES CURRENT AS OF DECEMBER 31, 2024 Big Island Mine Sweetwater County Wyoming, USA FINAL 2B (29-24-001) February 27, 2025 Prepared By: HOLLBERG PROFESSIONAL GROUP, PC Consulting Mining Engineers Green River Wyoming Hollberg Professional Group, PC SISECAM WYOMING - TRONA MINERAL RESERVE ESTIMATE FEBRUARY

January 30, 2025 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1)

-12-31FY2023 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 30, 2025 EX-96.1

S-K 1300 Technical Report Summary on the Big Island Mine, Sweetwater County, Wyoming, USA, dated March 13, 2022.

Exhibit 96.1 SISECAM WYOMING, LLC TECHNICAL REPORT SUMMARY STATEMENT OF RESOURCES AND RESERVES CURRENT AS OF DECEMBER 31, 2021 Big Island Mine Sweetwater County Wyoming, USA FINAL-2 (01-22-001) March 13, 2022 Prepared By: HOLLBERG PROFESSIONAL GROUP, PC Consulting Mining Engineers 3615 South Huron, Suite 203 Englewood, Colorado 80110 Phone 303-761-9995 [email protected] Hollberg Professional Group,

November 5, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 5, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

November 5, 2024 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2024 Results and Declares Third Quarter 2024 Distribution of $0.75 per Common Unit HOUSTON, November 5, 2024 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2024 results as follows: For the Three Months Ended Last T

November 5, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Ex

October 17, 2024 EX-10.1

Seventh Amendment to the Third Amended and Restated Credit Agreement, dated as of October 15, 2024, by and among NRP (Operating) LLC, the lenders party thereto and Zions Bancorporation, N.A. dba Amegy Bank, as administrative agent and collateral agent (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on October 17, 2024).

EX-10.1 2 ex732367.htm EXHIBIT 10.1 Exhibit 10.1 SEVENTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT THIS SEVENTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) is entered into as of October 15, 2024, by and among NRP (OPERATING) LLC, a Delaware limited liability company (the “Borrower”), the Lenders party hereto (as defined below), and ZIONS BANCORPORATIO

October 17, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 15, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

September 20, 2024 CORRESP

Natural Resource Partners LP 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners LP 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 September 20, 2024 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission 100 F Street, N.

September 6, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 3, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or or

August 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact n

August 7, 2024 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2024 Results and Declares Second Quarter 2024 Distribution of $0.75 per Common Unit HOUSTON, August 7, 2024 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2024 results as follows: For the Three Months Ended Last

August 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 7, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

July 29, 2024 CORRESP

Natural Resource Partners LP 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners LP 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 July 29, 2024 Division of Corporate Finance Office of Energy & Transportation United States Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE Washington DC 20549-3561 re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024 File no.

July 19, 2024 CORRESP

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 July 19, 2024 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-3561 Re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024 File No. 001-31465 La

July 10, 2024 CORRESP

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 July 10, 2024 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-3561 Re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024 File No. 001-31465 La

June 24, 2024 CORRESP

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 June 24, 2024 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-3561 Re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024 File No. 001-31465 La

June 7, 2024 CORRESP

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 June 7, 2024 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-3561 Re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024 File No. 001-31465 Lad

May 13, 2024 CORRESP

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002

Natural Resource Partners L.P. 1415 Louisiana Street, Suite 3325 Houston, Texas 77002 May 13, 2024 Division of Corporation Finance Office of Energy & Transportation United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-3561 Re: Natural Resource Partners LP Form 10-K for the Fiscal Year ended December 31, 2023 Filed March 7, 2024

May 9, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 8, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiza

May 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 7, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organization

May 7, 2024 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2024 Results and Declares First Quarter 2024 Distribution of $0.75 per Common Unit HOUSTON, May 7, 2024 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2024 results as follows: For the Three Months Ended Last Twelve

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact

May 2, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 26, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organ

April 19, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 16, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organ

March 7, 2024 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2023 Results and Announces Special Distribution of $2.44 per Common Unit HOUSTON, March 7, 2024 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2023 results as follows: For the Three Mo

March 7, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-31465 NATURAL

March 7, 2024 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Rivervista Mining, LLC NRP Trona LLC BRP LLC BRP Minerals LLC CoVal Leasing Company, LLC

March 7, 2024 EX-99.1

Financial Statements of Sisecam Wyoming LLC as of December 31, 2023 and 2022 and for the years ended December 31, 2023, 2022 and 2021.

Exhibit 99.1 Sisecam Wyoming LLC (A Majority-Owned Subsidiary of Sisecam Chemicals Wyoming LLC) Financial Statements as of December 31, 2023 and 2022 and for the Years Ended December 31, 2023, 2022, and 2021, and Reports of Independent Registered Public Accounting Firms 1 SISECAM WYOMING LLC (A Majority Owned Subsidiary of Sisecam Chemicals Wyoming LLC) TABLE OF CONTENTS Page Number REPORT OF INDE

March 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizati

March 7, 2024 EX-97.1

Natural Resource Partners L.P. Incentive-Based Compensation Recoupment Policy, dated August 2, 2023.

Exhibit 97.1 Natural Resources Partners L.P. Incentive-Based Compensation Recoupment Policy (this “Policy”) Adopted by the Compensation, Nominating and Governance Committee of the Board of Directors (the “Committee”) of GP Natural Resource Partners LLC (“GP LLC”), the general partner of NRP (GP) LP (the “General Partner”), the general partner of Natural Resource Partners L.P. (the “Partnership”) o

February 20, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 14, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or or

February 20, 2024 EX-10.1

Commitment Increase Agreement dated as of February 14, 2024, by and among NRP (Operating) LLC, Zions Bancorporation, N.A. dba Amegy Bank, and Frost Bank (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on February 20, 2024).

Exhibit 10.1 COMMITMENT INCREASE AGREEMENT This Commitment Increase Agreement dated as of February 14, 2024 (this “Agreement”) is among (i) NRP (Operating) LLC (the “Borrower”), (ii) Zions Bancorporation, N.A. dba Amegy Bank, in its capacity as administrative agent (the “Administrative Agent”) under the Third Amended and Restated Credit Agreement dated as of June 16, 2015 (as amended by the First

February 12, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 7, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

February 6, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 1, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

February 6, 2024 SC 13G/A

NRP / Natural Resource Partners L.P. - Limited Partnership / JPMORGAN CHASE & CO - FILING NATURAL RESOURCE PARTNERS L.P. Passive Investment

SC 13G/A 1 NATURALRESOURCEPARTNERS.htm FILING NATURAL RESOURCE PARTNERS L.P. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 07)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 29, 2023 (D

February 6, 2024 EX-10.1

New Lender Agreement, dated as of February 1, 2024, by and among NRP (Operating) LLC, Zions Bancorporation, N.A. dba Amegy Bank, and Summit Community Bank (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on February 6, 2024).

Exhibit 10.1 NEW LENDER AGREEMENT This New Lender Agreement (this “Agreement”) dated as of February 1, 2024, is among NRP (Operating) LLC (the “Borrower”), Zions Bancorporation, N.A. dba Amegy Bank, in its capacity as administrative agent (the “Administrative Agent”) under the Credit Agreement described below, and Summit Community Bank (the “New Lender”). Capitalized terms used herein without defi

February 2, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 29, 2024 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

November 3, 2023 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2023 Results and Declares Third Quarter 2023 Distribution of $0.75 per Common Unit HOUSTON, November 3, 2023 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2023 results as follows: For the Three Months Ended Last T

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Ex

November 3, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

October 31, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 26, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

October 11, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): October 6, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or orga

September 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 18, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 18, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or o

September 18, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 12, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or o

August 14, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 8, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organ

August 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact n

August 4, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 4, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

August 4, 2023 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2023 Results and Declares Second Quarter 2023 Distribution of $0.75 per Common Unit HOUSTON, August 4, 2023 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2023 results as follows: For the Three Months Ended Last

June 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 2, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 2, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

May 15, 2023 EX-10.2

New Lender Agreement, dated as of May 11, 2023, by and among NRP (Operating) LLC, Zions Bancorporation, N.A. dba Amegy Bank, and Gulf Capital Bank (incorporated by reference to Exhibit 10.2 to Current Report on Form 8-K filed on May 15, 2023).

Exhibit 10.2 NEW LENDER AGREEMENT This New Lender Agreement (this “Agreement”) dated as of May 11, 2023, is among NRP (Operating) LLC (the “Borrower”), Zions Bancorporation, N.A. dba Amegy Bank, in its capacity as administrative agent (the “Administrative Agent”) under the Credit Agreement described below, and Gulf Capital Bank (the “New Lender”). Capitalized terms used herein without definition h

May 15, 2023 EX-10.1

Sixth Amendment to the Third Amended and Restated Credit Agreement, dated as of May 11, 2023, by and among NRP (Operating) LLC, the lenders party thereto and Zions Bancorporation, N.A. dba Amegy Bank, as administrative agent and collateral agent (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on May 15, 2023).

EX-10.1 2 ex519021.htm EXHIBIT 10.1 Exhibit 10.1 SIXTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT THIS SIXTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) is entered into as of May 11, 2023, by and among NRP (OPERATING) LLC, a Delaware limited liability company (the “Borrower”), the Lenders party hereto (as defined below), and ZIONS BANCORPORATION, N.A.

May 15, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 11, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

May 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 4, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 4, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiza

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 4, 2023 NATURAL RESOURCE PART

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 4, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organization

May 4, 2023 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2023 Results and Declares First Quarter 2023 Distribution of $0.75 per Common Unit HOUSTON, May 4, 2023 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2023 results as follows: For the Three Months Ended Last Twelve

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact

March 3, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-31465 NATURAL

March 3, 2023 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Rivervista Mining, LLC NRP Trona LLC BRP LLC BRP Minerals LLC CoVal Leasing Company, LLC

March 3, 2023 EX-99.1

Financial Statements of Sisecam Wyoming LLC as of December 31, 2022 and 2021 and for the years ended December 31, 2022, 2021 and 2020.

Exhibit 99.1 Sisecam Wyoming LLC (A Majority-Owned Subsidiary of Sisecam Resources LP) Financial Statements as of December 31, 2022 and 2021 and for the Years Ended December 31, 2022, 2021, and 2020, and Reports of Independent Registered Public Accounting Firms 1 SISECAM WYOMING LLC (A Majority Owned Subsidiary of Sisecam Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED

March 2, 2023 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 3325, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2022 Results and Announces Special Distribution of $2.43 per Common Unit HOUSTON, March 2, 2023 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2022 results as follows: For the Three Mo

March 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 2, 2023 NATURAL RESOURCE PA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 2, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizati

February 13, 2023 SC 13G

NRP / Natural Resource Partners LP / GOLDENTREE ASSET MANAGEMENT LP - SC 13G Passive Investment

SC 13G 1 d423049dsc13g.htm SC 13G Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )* NATURAL RESOURCE PARTNERS LP (Name of Issuer) Common Units representing limited

February 13, 2023 EX-99

JOINT FILING AGREEMENT

EX-99 2 d423049dex99.htm EX-99 CUSIP No. 63900P608 Schedule 13G Page 9 of 9 Exhibit 99 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, a

February 7, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 5, 2023 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in its Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or org

January 31, 2023 SC 13G/A

NRP / Natural Resource Partners LP / JPMORGAN CHASE & CO - FILING NATURAL RESOURCE PARTNERS L.P. Passive Investment

SC 13G/A 1 NATURALRESOURCEPARTNERS.htm FILING NATURAL RESOURCE PARTNERS L.P. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 06)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 30, 2022 (D

November 3, 2022 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 2400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 2400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2022 Results and Declares Third Quarter 2022 Distribution of $0.75 per Unit HOUSTON, November 3, 2022 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2022 results as follows: For the Three Months Ended Last Twelve M

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of regist

November 3, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2022 NATURAL RESOURCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

September 8, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 1, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organi

September 8, 2022 EX-10.1

New Lender Agreement, dated as of September 1, 2022 by and among NRP (Operating) LLC, the Borrower, Zions Bancorporation, N.A. dba Amegy Bank, in its capacity as administrative agent under the Fifth Amendment to Third Amended Credit Agreement and Prosperity Bank, the New Lender (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on September 8, 2022).

Exhibit 10.1 NEW LENDER AGREEMENT This New Lender Agreement (this ?Agreement?) dated as of September 1, 2022, is among NRP (Operating) LLC (the ?Borrower?), Zions Bancorporation, N.A. dba Amegy Bank, in its capacity as administrative agent (the ?Administrative Agent?) under the Credit Agreement described below, and Prosperity Bank (the ?New Lender?). Capitalized terms used herein without definitio

August 11, 2022 EX-10.1

Master Assignment Agreement and Fifth Amendment to Third Amended Credit Agreement, dated as of August 9, 2022 by and among NRP (Operating) LLC, the Lenders party thereto, the Exiting Lenders, and Zions Bancorporation, N.A. dba Amegy Bank, as administrative agent for the Lenders, as Swingline Lender, and as an Issuing Bank (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on August 11, 2022).

Exhibit 10.1 MASTER ASSIGNMENT AGREEMENT AND FIFTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT THIS MASTER ASSIGNMENT AGREEMENT AND FIFTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this ?Amendment?) is entered into as of August 9, 2022, by and among NRP (OPERATING) LLC, a Delaware limited liability company (the ?Borrower?), the Lenders party hereto (as defined below), t

August 11, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 9, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of registrant

August 4, 2022 EX-99.1

Natural Resource Partners L.P. 1415 Louisiana St., Suite 2400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1415 Louisiana St., Suite 2400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2022 Results and Declares Second Quarter 2022 Distribution of $0.75 per Unit HOUSTON, August 4, 2022 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2022 results as follows: For the Three Months Ended Last Twelve

August 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 4, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

May 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 5, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organization

May 5, 2022 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2022 Results and Increase in First Quarter 2022 Distribution from $0.45 to $0.75 per Unit HOUSTON, May 5, 2022 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2022 results as follows: For the Three Months Ended Last

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of registrant

March 15, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-31465 NATURAL RESOURCE PARTNERS

March 15, 2022 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2021 Results HOUSTON, March 15, 2022 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2021 results as follows: For the Three Months Ended For the Year Ended (In thousands) (Unaudited) De

March 15, 2022 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Rivervista Mining, LLC NRP Trona LLC BRP LLC BRP Minerals LLC CoVal Leasing Company, LLC

March 15, 2022 EX-99.1

Wyoming LLC as of December 31, 2021 and 2020 and for the years ended December 31, 2021, 2020 and 2019.

Exhibit 99.1 Sisecam Wyoming LLC (A Majority-Owned Subsidiary of Sisecam Resources LP) Financial Statements as of December 31, 2021 and 2020 and for the Years Ended December 31, 2021, 2020, and 2019, and Report of Independent Registered Public Accounting Firm 1 SISECAM WYOMING LLC (A Majority Owned Subsidiary of Sisecam Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED P

March 15, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 15, 2022 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

February 9, 2022 CORRESP

Natural Resource Partners L.P. 1201 Louisiana, Suite 3400 Houston, Texas 77002 Phone: (713) 751-7507

Natural Resource Partners L.P. 1201 Louisiana, Suite 3400 Houston, Texas 77002 Phone: (713) 751-7507 February 9, 2022 Via EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F. Street, NE Washington, DC 20549 Attention: Arthur Tornabene-Zalas Re: Request for Acceleration of Effectiveness of Registration Statement on Form S-3 (File No.

February 3, 2022 SC 13G/A

NRP / Natural Resource Partners LP / JPMORGAN CHASE & CO - FILING NATURAL RESOURCE PARTNERS L.P. Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 05)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the

January 31, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Natural Resources Partners L.

January 31, 2022 S-3

As filed with the Securities and Exchange Commission on January 31, 2022

As filed with the Securities and Exchange Commission on January 31, 2022 Registration No.

November 12, 2021 SC 13D/A

NRP / Natural Resource Partners LP / Blackstone Holdings III L.P. - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

November 3, 2021 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2021 Results and Declares Third Quarter 2021 Distributions HOUSTON, November 3, 2021 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2021 results as follows: For the Three Months Ended Last Twelve Months Ended (In t

November 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 3, 2021 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

November 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of regist

August 6, 2021 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2021 Results and Declares Second Quarter 2021 Distributions HOUSTON, August 6, 2021 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2021 results as follows: For the Three Months Ended Last Twelve Months Ended (In

August 6, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of registrant

August 6, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 6, 2021 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

May 6, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 6, 2021 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organization

May 6, 2021 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2021 Results and Declares First Quarter 2021 Distributions HOUSTON, May 6, 2021 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2021 results as follows: For the Three Months Ended Last Twelve Months March 31, March

May 6, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of registrant

March 15, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-31465 NATURAL RESOURCE PARTNERS

March 15, 2021 EX-99.1

Financial Statements of Ciner Wyoming LLC as of December 31,

Exhibit 99.1 Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2020 and 2019 and for the Years Ended December 31, 2020, 2019, and 2018, and Report of Independent Registered Public Accounting Firm 1 CINER WYOMING LLC (A Majority Owned Subsidiary of Ciner Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED PUBLIC AC

March 15, 2021 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC BRP LLC BRP Minerals LLC CoVal Leasing Company, LLC

March 15, 2021 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2020 Results HOUSTON, March 15, 2021 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2020 results as follows: For the Three Months Ended For the Year Ended December 31, December 31, (In

March 15, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 15, 2021 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Natural Resource Partners L.P. (Name of Issuer) Common Units representing limited partner interests (Tit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Natural Resource Partners L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P103 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate bo

February 11, 2021 SC 13G/A

NATURAL RESOURCE 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* NATURAL RESOURCE PARTNERS L.P. - (Name of Issuer) Common Units Representing Limited Partner Interests - (Title of Class of Securities) 63900P608 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the approp

January 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 04)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Ti

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 04)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the

November 5, 2020 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2020 Results and Declares Third Quarter 2020 Distributions HOUSTON, November 5, 2020 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2020 results as follows: For the Three Months Ended Last Twelve Months September 3

November 5, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of regist

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 5, 2020 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organiz

August 12, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 6, 2020 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

August 10, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS LP (Exact name of registrant

August 7, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 7, 2020 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizat

August 7, 2020 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2020 Results and Declares Second Quarter 2020 Distributions HOUSTON, August 7, 2020 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2020 results as follows: For the Three Months Ended Last Twelve Months June 30, J

August 6, 2020 SC 13G

NRP / Natural Resource Partners L.P. / GOLDENTREE ASSET MANAGEMENT LP - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Natural Resource Partners L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P103 (CUSIP Number) November 19, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box

August 6, 2020 EX-1

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)

EXHIBIT 1 JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements.

July 1, 2020 EX-10.1

Master Amendment and Supplement to Coal Mining and Transportation Lease Agreements and Parent Guaranty dated June 30, 2020 by and among NRP (Operating) LLC, WPP LLC, Hod LLC, Independence Land Company, LLC, Williamson Transport LLC, Foresight Energy LP, Foresight Energy GP LLC, Foresight Energy LLC, Macoupin Energy, LLC, Williamson Energy, LLC, Sugar Camp Energy, LLC, Hillsboro Energy LLC, Foresight Energy Resources LLC, and Foresight Energy Operating LLC (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on July 1, 2020).

Exhibit 10.1 Execution Version MASTER AMENDMENT AND SUPPLEMENT TO COAL MINING AND TRANSPORTATION LEASE AGREEMENTS AND PARENT GUARANTY THIS MASTER AMENDMENT AND SUPPLEMENT TO COAL MINING AND TRANSPORTATION LEASE AGREEMENTS AND PARENT GUARANTY (this “Master Agreement”) is made as of the 30th day of June, 2020 (the “Effective Date”), by and among NRP (Operating) LLC, a Delaware limited liability comp

July 1, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 30, 2020 NATURAL RESOURCE PARTNERS LP (Exact Name of Registrant as Specified in Charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or organizati

May 11, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registra

May 11, 2020 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2020 Results HOUSTON, May 11, 2020 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2020 results as follows: For the Three Months Ended Last Twelve Months March 31, March 31, (In thousands) (Unaudited) 2020 2019 2020

May 11, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 11, 2020 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Commi

March 10, 2020 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 10, 2020 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Com

March 3, 2020 EX-10.2

Right of First Offer Agreement dated as of February 28, 2020 by and among Pocahontas Royalties LLC, Natural Resource Partners L.P., GP Natural Resource Partners LLC, NRP (GP) LP, and NRP (Operating) LLC. (incorporated by reference to Exhibit 10.2 to Current Report on Form 8-K filed on March 3, 2020).

Exhibit 10.2 Execution Version Right of First Offer Agreement This Right of First Offer Agreement (“Agreement”) is entered into as of February 28, 2020 (the “Effective Date”), by and among each of Pocahontas Royalties LLC, a Delaware limited liability company (“PRL”), Natural Resource Partners L.P. (“NRP”), GP Natural Resource Partners LLC (the “Company”), NRP (GP) LP (the “GP”), and NRP (Operatin

March 3, 2020 EX-10.1

Limited Waiver dated February 28, 2020 by Natural Resource Partners L.P., GP Natural Resource Partners LLC, NRP (GP) LP, and NRP (Operating) LLC (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on March 3, 2020).

Exhibit 10.1 Execution Version LIMITED WAIVER THIS LIMITED WAIVER (“Waiver”) is executed by each of Natural Resource Partners L.P. (“NRP”), GP Natural Resource Partners LLC (the “Company”), NRP (GP) LP (the “GP”), and NRP (Operating) LLC (“OLLC” and together with NRP, the Company, and the GP, the “NRP Entities”) effective as of this 28th day of February, 2020. WHEREAS, certain affiliates of the GP

March 3, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 28, 2020 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (

February 27, 2020 10-K

NRP / Natural Resource Partners L.P. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-31465 NATURAL RESOURCE PARTNERS L

February 27, 2020 EX-4.25

Description of Equity Securities of Natural Resource Partners L.P. (incorporated by reference to Exhibit 4.25 to Annual Report on Form 10-K filed on February 27, 2020)

Exhibit 4.25 DESCRIPTION OF EQUITY SECURITIES OF NATURAL RESOURCE PARTNERS L.P. Common Units The common units represent limited partner interests in Natural Resource Partners L.P. that entitle the holders to participate in our cash distributions and to exercise the rights or privileges available to limited partners under our partnership agreement. For a description of the relative rights and prefe

February 27, 2020 EX-10.15

Form of Phantom Unit Award Agreement (Directors with Deferral Election) (incorporated by reference to Exhibit 10.15 to Annual Report on Form 10-K filed on February 27, 2020).

Exhibit 10.15 Form of Phantom Unit Award Agreement (Non-Employee Director with Deferral) This Phantom Unit Award Agreement (this “Agreement”) is made and entered into as of [●] (the “Date of Grant”) by and between GP Natural Resource Partners LLC, a Delaware limited liability company (“GP LLC”), and [●] (“you” or “Service Provider”). Capitalized terms used but not specifically defined herein shall

February 27, 2020 EX-10.14

Form of Phantom Form of Phantom Unit Award Agreement (Directors) (incorporated by reference to Exhibit 10.14 to Annual Report on Form 10-K filed on February 27, 2020).

Exhibit 10.14 Form of Phantom Unit Award Agreement (Non-Employee Director without Deferral Election) This Phantom Unit Award Agreement (this “Agreement”) is made and entered into as of [●] (the “Date of Grant”) by and between GP Natural Resource Partners LLC, a Delaware limited liability company (“GP LLC”), and [●] (“you” or “Service Provider”). Capitalized terms used but not specifically defined

February 27, 2020 EX-10.13

Form of Phantom Unit Award Agreement (Employees and Service Providers) (incorporated by reference to Exhibit 10.13 to Annual Report on Form 10-K filed on February 27, 2020).

Exhibit 10.13 Form of Phantom Unit Award Agreement (Employees and Service Providers) This Phantom Unit Award Agreement (this “Agreement”) is made and entered into as of [●] (the “Date of Grant”) by and between GP Natural Resource Partners LLC, a Delaware limited liability company (“GP LLC”), and [●] (“you” or “Service Provider”). Capitalized terms used but not specifically defined herein shall hav

February 27, 2020 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Little River Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC BRP LLC (51% interest) CoVal L

February 27, 2020 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2019 Results HOUSTON, February 27, 2020 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2019 results as follows: Three Months Ended Year Ended December 31, December 31, (In thousands) (

February 27, 2020 EX-99.1

Financial Statements of Ciner Wyoming LLC as of December 31, 2019 and 2018 and for the years ended December 31, 2019, 2018 and 2017.

Exhibit 99.1 Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2019 and 2018 and for the Years Ended December 31, 2019, 2018, and 2017, and Report of Independent Registered Public Accounting Firm 1 CINER WYOMING LLC (A Majority Owned Subsidiary of Ciner Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED PUBLIC AC

February 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 27, 2020 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (

January 31, 2020 SC 13G/A

NRP / Natural Resource Partners L.P. / JP Morgan Chase & Co - FILING NATURAL RESOURCE PARTNERS L.P. Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* NATURAL RESOURCE PARTNERS L.P. (Name of Issuer) Common Units representing limited partner interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the

November 21, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 20, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (

November 6, 2019 10-Q

NRP / Natural Resource Partners L.P. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of regi

November 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 6, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (C

November 6, 2019 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2019 Results HOUSTON, November 6, 2019 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter 2019 results as follows: Three Months Ended Last Twelve Months September 30, September 30, (In thousands) (Unaudited) 2019 2018

August 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 8, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Com

August 8, 2019 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2019 Results HOUSTON, August 8, 2019 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter 2019 results as follows: Three Months Ended Last Twelve Months June 30, June 30, (In thousands) (Unaudited) 2019 2018 2019 Net i

August 8, 2019 10-Q

NRP / Natural Resource Partners L.P. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registran

July 10, 2019 EX-99.1

Joint Filing Agreement, dated as of July 10, 2019 between Corbin J. Robertson, Jr., Western Pocahontas Properties Limited Partnership, Western Pocahontas Corporation, and Premium Resources, LLC

Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to Rule 13d-1(k)(1)(iii) of the Securities Exchange Act of 1934, as amended, each of the undersigned agrees that a single joint Schedule 13D and any amendments thereto may be filed on behalf of each of the undersigned with respect to the securities held by each of them in Natural Resource Partners LP. This Joint Filing Agreement shall be included as an

July 10, 2019 SC 13D/A

NRP / Natural Resource Partners L.P. / Robertson Corbin J Jr - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10) Natural Resource Partners L.P. (Name of Issuer) Common Units Representing Limited Partner Interests (Title of Class of Securities) 63900P 10 3 (CUSIP Number) Kathryn S. Wilson Natural Resource Partners L.P. 1201 Louisiana Street, Suite 3400 Houston, Texas 77002 (713)

June 28, 2019 10-Q/A

NRP / Natural Resource Partners L.P. 10-Q/A - Quarterly Report - 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1 ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exac

June 17, 2019 CORRESP

NRP / Natural Resource Partners L.P. CORRESP - -

NATURAL RESOURCE PARTNERS L.P. 1201 LOUISIANA STREET, 34TH FLOOR HOUSTON, TEXAS 77002 June 17, 2019 VIA EDGAR United States Securities and Exchange Commission Office of Beverages, Apparel, and Mining Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: Myra Moosariparambil Re: Natural Resource Partners L.P. Form 10-K for the Year Ended December 31, 2018 Form 10

May 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 8, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Commis

May 8, 2019 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports First Quarter 2019 Results HOUSTON, May 8, 2019 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2019 results as follows: Three Months Ended Last Twelve Months March 31, March 31, (In thousands, except per unit data) (Unaudited) 2

May 8, 2019 10-Q

NRP / Natural Resource Partners L.P. 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registra

May 2, 2019 EX-4.1

Indenture, dated April 29, 2019, by and among Natural Resource Partners L.P. and NRP Finance Corporation, as issuers, and Wilmington Trust, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Current Report on Form 8-K filed on May 2, 2019).

Exhibit 4.1 EXECUTION VERSION NATURAL RESOURCE PARTNERS L.P., NRP FINANCE CORPORATION 9.125% SENIOR NOTES DUE 2025 INDENTURE Dated as of April 29, 2019 WILMINGTON TRUST, NATIONAL ASSOCIATION, As Trustee TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.01. Definitions. 1 Section 1.02. Other Definitions. 28 Section 1.03. Concerning the Trust Indenture Act. 28 S

May 2, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 29, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Com

April 22, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 17, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Com

April 22, 2019 EX-10.1

Purchase Agreement dated April 17, 2019 by and among Natural Resource Partners L.P., NRP Finance Corporation and Citigroup Global Markets Inc. (as the representative of the Initial Purchasers).

Exhibit 10.1 EXECUTION VERSION NATURAL RESOURCE PARTNERS L.P. NRP FINANCE CORPORATION $300,000,000 9.125% Senior Notes due 2025 Purchase Agreement April 17, 2019 Citigroup Global Markets Inc. As Representative of the Initial Purchasers c/o Citigroup Global Markets Inc. 388 Greenwich Street New York, New York 10013 Ladies and Gentlemen: Natural Resource Partners L.P., a limited partnership organize

April 9, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 3, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Comm

April 9, 2019 EX-10.2

New Lender Agreement, dated as of April 8, 2019, by and among NRP (Operating) LLC and the lenders party thereto (incorporated by reference to Exhibit 10.2 to Current Report on Form 8-K filed on April 9, 2019).

Exhibit 10.2 NEW LENDER AGREEMENT This New Lender Agreement (this “Agreement”) dated as of April 8, 2019 is among NRP (Operating) LLC (the “Borrower”), Citibank, N.A., in its capacity as administrative agent (the “Administrative Agent”) under the Credit Agreement described below, and Frost Bank (the “New Lender”). Capitalized terms used herein without definition have the meanings assigned to such

April 9, 2019 EX-10.1

Fourth Amendment, dated as of April 3, 2019, to Third Amended and Restated Credit Agreement, dated as of June 16, 2015, by and among NRP (Operating) LLC and the lenders party thereto (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on April 9, 2019).

Exhibit 10.1 Execution Version FOURTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT THIS FOURTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this “Fourth Amendment”) is entered into as of April 3, 2019, by and among NRP (OPERATING) LLC, a Delaware limited liability company (the “Borrower”), the Lenders party hereto (including the Replacement Lenders (as defined below)), and

April 5, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 4, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Comm

March 7, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 7, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or orga

March 7, 2019 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Fourth Quarter and Full Year 2018 Results HOUSTON, March 7, 2019 - Natural Resource Partners L.P. (NYSE:NRP) today reported fourth quarter and full year 2018 results as follows: Three Months Ended Year Ended December 31, December 31, (In thousands, excep

March 7, 2019 10-K

2018 Annual Report on Form 10-K filed March 7, 2019 under Part II, "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations."

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-31465 NATURAL RESOURCE PARTNERS L

March 7, 2019 EX-95.1

Mine Safety Disclosure.

Exhibit 95.1 MINE SAFETY DISCLOSURE We owned VantaCore Partners LLC, a construction aggregates business, through December 11, 2018. Effective December 11, 2018, we sold VantaCore Partners LLC to an unaffiliated third party. These mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine

March 7, 2019 EX-10.17

General Release of Claims between Quintana Minerals Corporation and Perry W. Donahoo.

Exhibit 10.17 GENERAL RELEASE OF CLAIMS This GENERAL RELEASE OF CLAIMS (this “Agreement”) is entered into by Perry Donahoo (“Employee”) and is that certain Release defined in Section 6 of the Employment Agreement effective as of October 25, 2017 by and between Quintana Minerals Corporation (the “Company”) and Employee (the “Employment Agreement”). Capitalized terms not defined herein have the mean

March 7, 2019 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Little River Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC BRP LLC (51% interest) CoVal L

March 7, 2019 EX-99.1

Financial Statements of Ciner Wyoming LLC as of December 31, 2018 and 2017 and for the years ended December 31, 2018, 2017 and 2016.

Exhibit 99.1 Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2018 and 2017 and for the Years Ended December 31, 2018, 2017, and 2016, and Report of Independent Registered Public Accounting Firm 1 CINER WYOMING LLC (A Majority Owned Subsidiary of Ciner Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED PUBLIC AC

March 5, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 27, 2019 NATURAL RESOURCE PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (

January 29, 2019 SC 13G/A

NRP / Natural Resource Partners L.P. / JP Morgan Chase & Co - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 02)* NATURAL RESOURCE PARTNERS L.P (Name of Issuer) Common Units representing limited partnership interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check t

December 14, 2018 EX-99.1

NATURAL RESOURCE PARTNERS L.P. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Exhibit 99.1 NATURAL RESOURCE PARTNERS L.P. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS On December 11, 2018, NRP (Operating) LLC (“NRP Operating”), a wholly owned subsidiary of Natural Resource Partners L.P. (the “Partnership”), sold all of the outstanding equity interests in VantaCore Partners LLC (“VantaCore”), the Partnership's construction aggregates segment, to VantaCore

December 14, 2018 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 11, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or

November 20, 2018 EX-2.1

Purchase and Sale Agreement dated as of November 16, 2018, by and between NRP (Operating) LLC and VantaCore Intermediate Holdings LLC (incorporated by reference to Exhibit 2.1 to Current Report on Form 8-K filed on November 20, 2018).

Exhibit 2.1 Execution Version PURCHASE AND SALE AGREEMENT between NRP (Operating) LLC as Seller and VantaCore Intermediate Holding, LLC as Buyer dated as of November 16, 2018 TABLE OF CONTENTS Page ARTICLE I PURCHASE AND SALE 1 Section 1.1 Purchase and Sale 1 Section 1.2 Calculation of Purchase Price 1 Section 1.3 Withholding 4 ARTICLE II CLOSING 5 Section 2.1 Closing 5 Section 2.2 Deliveries by S

November 20, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 16, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorporation or

November 9, 2018 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Third Quarter 2018 Results HOUSTON, November 9, 2018 - Natural Resource Partners L.P. (NYSE:NRP) today reported third quarter of 2018 results as follows: Three Months Ended Nine Months Ended September 30, September 30, (In thousands, except per unit data

November 9, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 9, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-3146

November 9, 2018 10-Q

NRP / Natural Resource Partners L.P. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of regi

November 9, 2018 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

October 25, 2018 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 19, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-3146

August 9, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 9, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465

August 9, 2018 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Reports Second Quarter 2018 Results HOUSTON, August 9, 2018 - Natural Resource Partners L.P. (NYSE:NRP) today reported second quarter of 2018 results as follows: Three Months Ended Six Months Ended June 30, March 31, June 30, (In thousands, except per unit data)

August 9, 2018 10-Q

NRP / Natural Resource Partners L.P. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registran

August 9, 2018 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

May 9, 2018 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Announces First Quarter 2018 Results HOUSTON, May 9, 2018 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter of 2018 results as follows: Three Months Ended March 31, Increase (Decrease) Percentage Change (In thousands, except per unit data)

May 9, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 9, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (Co

May 9, 2018 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

May 9, 2018 10-Q

NRP / Natural Resource Partners L.P. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registra

March 2, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): February 28, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-314

March 1, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 1, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 00

March 1, 2018 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Announces Fourth Quarter and Year Ended 2017 Results Fourth Quarter 2017 Highlights ? Net income of $30.7 million ? Net income attributable to the common unitholders and general partner of $22.9 million ? Adjusted EBITDA of $59.4 million (1) ? Basic and

March 1, 2018 10-K

NRP / Natural Resource Partners L.P. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-31465 NATURAL RESOURCE PARTNERS L

March 1, 2018 EX-99.1

Financial Statements of Ciner Wyoming LLC as of December 31, 2017 and 2016 and for the years ended December 31, 2017, 2016 and 2015.

Exhibit 99.1 Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2017 and 2016 and for the Years Ended December 31, 2017, 2016, and 2015, and Report of Independent Registered Public Accounting Firm 1 CINER WYOMING LLC (A Majority Owned Subsidiary of Ciner Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED PUBLIC AC

March 1, 2018 EX-95.1

Mine Safety Disclosure.

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

March 1, 2018 EX-21.1

List of subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Little River Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC VantaCore Partners LLC Laurel

February 9, 2018 EX-4.6

Form of Phantom Unit Award Agreement (Directors) (incorporated by reference to Exhibit 4.6 to Registration Statement on Form S-8 filed on February 9, 2018).

Exhibit Exhibit 4.6 Phantom Unit Award Agreement (Non-Employee Director) This Phantom Unit Award Agreement (this ? Agreement ?) is made and entered into as of [?] (the ? Date of Grant ?) by and between GP Natural Resource Partners LLC, a Delaware limited liability company (? GP LLC ?), and [?] (? you ? or ? Service Provider ?). Capitalized terms used but not specifically defined herein shall have

February 9, 2018 S-8

NRP / Natural Resource Partners L.P. S-8

Document As filed with the Securities and Exchange Commission on February 9, 2018 Registration No.

February 9, 2018 EX-4.5

Form of Phantom Unit Award Agreement (Employees and Service Providers) (incorporated by reference to Exhibit 4.5 to Registration Statement on Form S-8 filed on February 9, 2018).

Exhibit Exhibit 4.5 Phantom Unit Award Agreement (Employees and Service Providers) This Phantom Unit Award Agreement (this ? Agreement ?) is made and entered into as of [?] (the ? Date of Grant ?) by and between GP Natural Resource Partners LLC, a Delaware limited liability company (? GP LLC ?), and [?] (? you ? or ? Service Provider ?). Capitalized terms used but not specifically defined herein s

January 17, 2018 EX-10.1

Natural Resource Partners L.P. 2017 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on January 17, 2018).

Exhibit Exhibit 10.1 NATURAL RESOURCE PARTNERS L.P. 2017 LONG TERM INCENTIVE PLAN 1. Purpose of the Plan . The Natural Resource Partners L.P. 2017 Long Term Incentive Plan (the ? Plan ?) has been adopted on December 14, 2017 by GP Natural Resource Partners LLC, a Delaware limited liability company (? GP LLC ?), the general partner of NRP (GP) LP, a Delaware limited partnership (the ? General Partn

January 17, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 16, 2018 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization)

January 5, 2018 SC 13G/A

NRP / Natural Resource Partners L.P. / JP Morgan Chase & Co - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 01)* NATURAL RESOURCE PARTNERS L.P (Name of Issuer) Common Units representing limited partnership interests (Title of Class of Securities) 63900P608 (CUSIP Number) December 29, 2017 (Date of Event Which Requires Filing of this Statement) Check t

December 27, 2017 DEF 14C

NRP / Natural Resource Partners L.P. DEF 14C

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: [ ] Preliminary Information Statement [ ] Confidential, for use of the Commission only (as permitted by Rule 14c-5(d)(2)) [X] Definitive Information Statement NATURAL RESOURCE PART

December 20, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported): December 19, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorpor

November 8, 2017 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Announces Third Quarter 2017 Results Third Quarter 2017 Highlights ? Net income of $26.1 million ? Net income attributable to the common unitholders and general partner of $18.4 million ? Adjusted EBITDA of $58.1 million (1) ? Basic and diluted net incom

November 8, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 8, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization)

November 8, 2017 EX-10.1

Employment Agreement dated August 16, 2017, between Quintana Minerals Corporation and Wyatt L. Hogan (incorporated by reference to Exhibit 10.1 to Quarterly Report on Form 10-Q filed on November 8, 2017).

Exhibit 10.1 EXECUTION VERSION EMPLOYMENT AGREEMENT This Employment Agreement (this ?Agreement?) is made and entered into by and between Quintana Minerals Corporation (the ?Company?), and Wyatt L. Hogan (?Employee?) effective as of August 16, 2017 (the ?Effective Date?). The Company and Employee are sometimes referred to in this Agreement collectively as the ?Parties,? and each individually as a ?

November 8, 2017 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (?MSHA?) under the Federal Mine Safety and Health Act of 1977 (the ?Mine Act?). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

November 8, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of regi

September 28, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported): September 26, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorpo

September 5, 2017 8-K

Other Events

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported): September 1, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 001-31465 35-2164875 (State or other jurisdiction of incorpor

August 8, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 3, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 0

August 8, 2017 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Announces Second Quarter 2017 Results Second Quarter 2017 Highlights ? Net income and net income attributable to the common unitholders and general partner of $50.0 million and $42.4 million , respectively ? Basic and diluted net income per common unit o

August 8, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2017 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of registran

August 8, 2017 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (?MSHA?) under the Federal Mine Safety and Health Act of 1977 (the ?Mine Act?). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

May 10, 2017 10-Q

Natural Resource Partners 10-Q (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2017 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-31465 NATURAL RESOURCE PARTNERS L.P. (Exact name of

May 10, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 9, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-

May 10, 2017 EX-99.1

Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002

Exhibit Exhibit 99.1 Natural Resource Partners L.P. 1201 Louisiana St., Suite 3400, Houston, TX 77002 NEWS RELEASE Natural Resource Partners L.P. Announces First Quarter 2017 Results First Quarter 2017 Highlights ? Completion of recapitalization and extension of 2018 debt maturities ? Net income attributable to the common unitholders and general partner of $14.3 million ? Basic net income per comm

May 10, 2017 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

April 20, 2017 424B3

NATURAL RESOURCE PARTNERS L.P. NRP FINANCE CORPORATION Offer to Exchange Up to $345,638,000 of 10.500% Senior Notes due 2022 That Have Been Registered Under The Securities Act of 1933 For Up to $345,638,000 of 10.500% Senior Notes due 2022 That Have

Document Filed Pursuant to Rule 424(b)(3) Registration No. 333? 217210 Prospectus NATURAL RESOURCE PARTNERS L.P. NRP FINANCE CORPORATION Offer to Exchange Up to $345,638,000 of 10.500% Senior Notes due 2022 That Have Been Registered Under The Securities Act of 1933 For Up to $345,638,000 of 10.500% Senior Notes due 2022 That Have Not Been Registered Under The Securities Act of 1933 Terms of the Ne

April 18, 2017 CORRESP

Natural Resource Partners ESP

Document NATURAL RESOURCE PARTNERS L.P. 1201 LOUISIANA STREET, 34 TH FLOOR HOUSTON, TEXAS 77002 April 18, 2017 VIA EDGAR United States Securities and Exchange Commission Office of Beverages, Apparel, and Mining Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: John Reynolds Re: Request for Acceleration of Effectiveness of Registration Statement on Form S?3 (

April 18, 2017 CORRESP

Natural Resource Partners ESP

Document NATURAL RESOURCE PARTNERS L.P. 1201 LOUISIANA STREET, 34 TH FLOOR HOUSTON, TEXAS 77002 April 18, 2017 VIA EDGAR United States Securities and Exchange Commission Office of Beverages, Apparel, and Mining Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: John Reynolds Re: Request for Acceleration of Effectiveness of Registration Statement on Form S?4,

April 17, 2017 S-4/A

Natural Resource Partners S-4/A

Document As filed with the Securities and Exchange Commission on April 17, 2017 Registration No.

April 13, 2017 S-3/A

Natural Resource Partners S-3/A

Document As filed with the Securities and Exchange Commission on April 13, 2017 Registration No.

April 13, 2017 CORRESP

Natural Resource Partners ESP

Document NATURAL RESOURCE PARTNERS L.P. 1201 LOUISIANA STREET, 34 TH FLOOR HOUSTON, TEXAS 77002 April 13, 2017 VIA EDGAR United States Securities and Exchange Commission Office of Beverages, Apparel, and Mining Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: John Reynolds Re: Natural Resource Partners L.P. Registration Statement on Form S-3 Filed April 7,

April 7, 2017 EX-12.1

Natural Resource Partners L.P. Consolidated Statement of Computation of Ratio of Earnings to Fixed Charges Year Ended December 31, 2012 2013 2014 2015 2016 Earnings Income (loss) from continuing operations before income taxes $ 213,355 $ 169,621 $ 96

Exhibit Exhibit 12.1 Natural Resource Partners L.P. Consolidated Statement of Computation of Ratio of Earnings to Fixed Charges (Unaudited) Year Ended December 31, 2012 2013 2014 2015 2016 Earnings Income (loss) from continuing operations before income taxes $ 213,355 $ 169,621 $ 96,713 $ (260,171 ) $ 95,214 (+) Fixed charges 54,360 64,773 80,647 94,881 94,949 (+) Amortization of capitalized inter

April 7, 2017 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Little River Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC VantaCore Partners LLC

April 7, 2017 S-4

Natural Resource Partners S-4

Document As filed with the Securities and Exchange Commission on April 7, 2017 Registration No.

April 7, 2017 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T‑1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE o CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT T

Exhibit Exhibit 25.1 File No. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T?1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE o CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) WILMINGTON TRUST, NATIONAL ASSOCIATION (Exact name of trustee as specified in its charter) 16-148645

April 7, 2017 S-3

Natural Resource Partners S-3

Document As filed with the Securities and Exchange Commission on April 7, 2017 Registration No.

March 14, 2017 EX-99.4

NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS

Exhibit 4 Exhibit 4 NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT MAY NOT BE SOLD OR OF

March 14, 2017 SC 13D

NRP / Natural Resource Partners L.P. / Blackstone Holdings III L.P. - SCHEDULE 13D Activist Investment

Schedule 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 NATURAL RESOURCE PARTNERS L.

March 14, 2017 EX-99.1

JOINT FILING AGREEMENT

Exhibit 1 CUSIP No. 63900P103 EXHIBIT 1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the “Exchange Act”) the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (incl

March 14, 2017 EX-99.3

NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS

Exhibit 3 Exhibit 3 NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT MAY NOT BE SOLD OR OF

March 14, 2017 EX-99.5

NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS

Exhibit 5 Exhibit 5 NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT MAY NOT BE SOLD OR OF

March 14, 2017 EX-99.6

NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS

Exhibit 6 Exhibit 6 NATURAL RESOURCE PARTNERS L.P. WARRANT TO PURCHASE COMMON UNITS THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT MAY NOT BE SOLD OR OF

March 6, 2017 EX-3.1

Fifth Amended and Restated Agreement of Limited Partnership of Natural Resource Partners L.P., dated as of March 2, 2017 (incorporated by reference to Exhibit 3.1 to Current Report on Form 8-K filed on March 6, 2017).

Exhibit 3.1 Execution Version FIFTH AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF NATURAL RESOURCE PARTNERS L.P. TABLE OF CONTENTS ARTICLE I DEFINITIONS Section 1.1 Definitions 1 Section 1.2 Construction 20 ARTICLE II ORGANIZATION Section 2.1 Formation 20 Section 2.2 Name 20 Section 2.3 Registered Office; Registered Agent; Principal Office; Other Offices 20 Section 2.4 Purpose and Busin

March 6, 2017 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 2, 2017 NATURAL RESOURCE PA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 2, 2017 NATURAL RESOURCE PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 001-31465 (

March 6, 2017 EX-95.1

MINE SAFETY DISCLOSURE

Exhibit 95.1 MINE SAFETY DISCLOSURE Our mining operations are subject to regulation by the Federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”). We have disclosed below information regarding certain citations and orders issued by MSHA and related assessments and legal actions with respect to these mining operations. In evaluat

March 6, 2017 EX-10.1

Preferred Unit and Warrant Purchase Agreement, dated as of February 22, 2017, by and among Natural Resource Partners L.P. and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on March 6, 2017.

Exhibit 10.1 Execution Version CLASS A CONVERTIBLE PREFERRED UNIT AND WARRANT PURCHASE AGREEMENT DATED FEBRUARY 22, 2017 BY AND AMONG NATURAL RESOURCE PARTNERS L.P., BTO CARBON HOLDINGS L.P., BLACKSTONE FAMILY TACTICAL OPPORTUNITIES INVESTMENT PARTNERSHIP ESC L.P., GOLDENTREE 2004 TRUST, GOLDENTREE INSURANCE FUND SERIES INTERESTS OF THE SALI MULTI SERIES FUND, LP, SAN BERNARDINO COUNTY EMPLOYEES?

March 6, 2017 10-K

NRP / Natural Resource Partners L.P. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-31465 NATURAL RESOURCE PARTNERS L

March 6, 2017 EX-10.4

Exchange and Purchase Agreement, dated as of February 22, 2017, by and among Natural Resource Partners L.P., NRP Finance Corporation and the Consenting Holders named therein (incorporated by reference to Exhibit 10.4 to Current Report on Form 8-K filed on March 6, 2017.

Exhibit 10.4 Execution Version EXCHANGE AND PURCHASE AGREEMENT DATED FEBRUARY 22, 2017 BY AND AMONG NATURAL RESOURCE PARTNERS L.P., NRP FINANCE CORPORATION, GOLDENTREE ASSET MANAGEMENT L.P., BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC, OAKTREE CAPITAL MANAGEMENT, L.P., REDWOOD CAPITAL MANAGEMENT, LLC AND ARISTEIA CAPITAL, LLC TABLE OF CONTENTS Page Article I DEFINITIONS 1 Section 1.01 Definitions 1 Secti

March 6, 2017 EX-21.1

List of Subsidiaries of Natural Resource Partners L.P.

Exhibit 21.1 List of Subsidiaries of Natural Resource Partners L.P. NRP (Operating) LLC NRP Oil and Gas LLC NRP Finance Corporation WPP LLC ACIN LLC WBRD LLC Hod LLC Shepard Boone Coal Company LLC Gatling Mineral, LLC Independence Land Company, LLC Williamson Transport, LLC Little River Transport, LLC Rivervista Mining, LLC Deepwater Transportation, LLC NRP Trona LLC VantaCore Partners LLC Laurel

March 6, 2017 EX-4.5

Registration Rights Agreement dated as of March 2, 2017, by and among Natural Resource Partners L.P., NRP Finance Corporation, and the Initial Notes Purchasers named therein (incorporated by reference to Exhibit 4.5 to Current Report on Form 8-K filed on March 6, 2017).

Exhibit 4.5 Execution Version NATURAL RESOURCE PARTNERS L.P. NRP FINANCE CORPORATION REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT dated March 2, 2017 (the ?Agreement?) is entered into by and among Natural Resource Partners L.P., a Delaware limited partnership (the ?Partnership?), NRP Finance Corporation, a Delaware corporation (?Finance Corp? and, together with the Partnership,

March 6, 2017 EX-99.1

Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2016 and 2015 and for the Years Ended December 31, 2016, 2015, and 2014, and Report of Independent Registered Public Accounting Firm

Exhibit 99.1 Ciner Wyoming LLC (A Majority-Owned Subsidiary of Ciner Resources LP) Financial Statements as of December 31, 2016 and 2015 and for the Years Ended December 31, 2016, 2015, and 2014, and Report of Independent Registered Public Accounting Firm 1 CINER WYOMING LLC (A Majority Owned Subsidiary of Ciner Resources LP) TABLE OF CONTENTS Page Number REPORT OF INDEPENDENT REGISTERED PUBLIC AC

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