LONE / Lonestar Resources US Inc - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Lonestar Resources US Inc
US ˙ OTC ˙ US54240F1030
SIMBOL INI TIDAK AKTIF LAGI

Statistik Asas
CIK 1661920
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 Lonestar Resources US Inc
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
October 21, 2021 SC 13G/A

LONE / Lonestar Resources US Inc. / MATLIN DAVID J - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* LONESTAR RESOURCES US INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F 202 (CUSIP Number) October 5, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

October 21, 2021 SC 13G/A

LONE / Lonestar Resources US Inc. / Matlin Lisa - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* LONESTAR RESOURCES US INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F 202 (CUSIP Number) October 5, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

October 8, 2021 EX-3.2

Amended and Restated Limited Liability Company Agreement of Pi Merger Sub LLC, dated October 5, 2021.

Exhibit 3.2 AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF PI MERGER SUB LLC This AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT of Pi Merger Sub LLC, a Delaware limited liability company (the ?Company?) (as the same may be amended, restated, replaced, supplemented or otherwise modified from time to time, this ?Agreement?), is adopted by its sole member Penn Virginia Corpora

October 8, 2021 S-8 POS

As filed with the Securities and Exchange Commission on October 7, 2021

S-8 POS 1 d241011ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on October 7, 2021 Registration No. 333-255213 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-255213 UNDER THE SECURITIES ACT OF 1933 Pi Merger Sub LLC (as successor in interest to Lonestar Resources US Inc.) (Ex

October 8, 2021 15-12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-37670 PI MERGER SUB LLC (as successor in interest to Lonestar Resources

October 8, 2021 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, 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): October 5, 2021 Pi Merger Sub LLC (Exact name of registrant as specified in its charter) (as successor in interest to Lonestar Resources US Inc.) (Exact name of registrant as specifie

October 8, 2021 EX-3.1

Certificate of Formation of Pi Merger Sub LLC, dated June 29, 2021.

Exhibit 3.1 STATE OF DELAWARE CERTIFICATE OF FORMATION OF PI MERGER SUB LLC The undersigned authorized person, desiring to form a limited liability company pursuant to the Limited Liability Company Act of the State of Delaware, hereby certifies as follows: 1. The name of the limited liability company is Pi Merger Sub LLC. 2. The Registered Office of the limited liability company in the State of De

September 13, 2021 425

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 8, 2021 LONESTAR RESOUR

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 8, 2021 LONESTAR RESOURCES US INC. (Exact Name of Registrant as Specified in Charter) Delaware 001-37670 81-0874035 (State or Other Jurisdiction of Incorporation) (Commissio

September 13, 2021 8-K

Other Events, Submission of Matters to a Vote of Security Holders

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 8, 2021 LONESTAR RESOURCES US INC. (Exact Name of Registrant as Specified in Charter) Delaware 001-37670 81-0874035 (State or Other Jurisdiction of Incorporation) (Commissio

September 10, 2021 425

Filed by Penn Virginia Corporation pursuant to

425 Filed by Penn Virginia Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc.

September 7, 2021 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ?? Check the appropriate box: ?? ? ? Preliminary Proxy Statement ?? ? ? Confidential, for Use of the Commission Only (as permitted

August 16, 2021 425

Filed by Penn Virginia Corporation pursuant to

Filed by Penn Virginia Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc.

August 13, 2021 425

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 10, 2021 PENN VIRGINIA COR

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 10, 2021 PENN VIRGINIA CORPORATION (Exact Name of Registrant as Specified in its Charter) Virginia 1-13283 23-1184320 (State or other jurisdiction of incorporation) (Commission

August 10, 2021 EX-99.1

1 Lonestar Reports Second Quarter 2021 Results: Operational Momentum Is Accelerating Fort Worth, Texas, August 10, 2021 (Business Wire) - Lonestar Resources US Inc. (OTCQX: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Comp

1 Lonestar Reports Second Quarter 2021 Results: Operational Momentum Is Accelerating Fort Worth, Texas, August 10, 2021 (Business Wire) - Lonestar Resources US Inc.

August 10, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

August 10, 2021 EX-10.4

First Amendment and Borrowing Base Agreement

EX-10.4 11 firstamendmentandborrowing.htm EX-10.4 Exhibit 10.4 FIRST AMENDMENT AND BORROWING BASE AGREEMENT This First Amendment and Borrowing Base Agreement (this “Agreement”) dated as of August 6, 2021 (the “Effective Date”) is among Lonestar Resources America Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the undersigned Lenders (as defined below), and Citibank, N.A

August 10, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2021 Lonestar Resources US Inc.

August 4, 2021 425

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, 2021 PENN VIRGINIA CORP

425 1 d205885d425.htm 425 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, 2021 PENN VIRGINIA CORPORATION (Exact Name of Registrant as Specified in its Charter) Virginia 1-13283 23-1184320 (State or other jurisdiction of i

August 4, 2021 425

Filed by Penn Virginia Corporation pursuant to

Filed by Penn Virginia Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc.

July 28, 2021 425

Penn Virginia Announces Pricing of $400 Million Offering of Senior Unsecured Notes

425 Filed by Penn Virginia Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc.

July 26, 2021 425

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): July 26, 2021 PENN VIRGINIA CORPO

425 1 d191165d425.htm 425 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): July 26, 2021 PENN VIRGINIA CORPORATION (Exact Name of Registrant as Specified in its Charter) Virginia 1-13283 23-1184320 (State or other jurisdiction of in

July 13, 2021 425

2

425 Filed by Penn Virginia Corporation pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc.

July 13, 2021 425

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): July 10, 2021 PENN VIRGINIA CORPO

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): July 10, 2021 PENN VIRGINIA CORPORATION (Exact name of registrant as specified in its charter) Virginia 1-13283 23-1184320 (State or other jurisdiction of incorporation) (Commission F

July 12, 2021 425

*******

425 1 d181330d425.htm 425 Filed by Lonestar Resources US Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Lonestar Resources US Inc. Commission File No.: 001-37670 Dear Lonestar Employees - I wanted to be the first to tell you that Lonestar has entered into a merger agreement with Penn Virginia

July 12, 2021 425

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): July 10, 2021 LONESTAR RESOURCES

425 1 d121716d425.htm 425 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): July 10, 2021 LONESTAR RESOURCES US INC. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of

July 12, 2021 425

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): July 10, 2021 Lonestar Resources

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): July 10, 2021 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commissio

July 12, 2021 8-K

Regulation FD Disclosure, 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): July 10, 2021 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commissio

July 12, 2021 EX-10.2

Support Agreement, dated as of July 10, 2021, by and between Lonestar and the Penn Virginia Supporting Shareholders.

Exhibit 10.2 Execution Version SUPPORT AGREEMENT THIS SUPPORT AGREEMENT (this ?Agreement?) is dated as of July 10, 2021, by and among each shareholder of Penn Virginia Corporation, a Virginia corporation (?Parent?), set forth on Schedule A hereto (each, a ?Shareholder? and collectively, the ?Shareholders?), and Lonestar Resources US Inc., a Delaware corporation (the ?Company?). W I T N E S S E T H

July 12, 2021 EX-2.1

Form of Support Agreement, dated as of July 10, 2021, by and between Penn Virginia and the Lonestar Supporting Stockholders (included as Exhibit A in Exhibit 2.1).

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER BY AND BETWEEN PENN VIRGINIA CORPORATION AND LONESTAR RESOURCES US INC. July 10, 2021 TABLE OF CONTENTS Page ARTICLE I THE INTEGRATED MERGERS Section 1.1 The Integrated Mergers 2 Section 1.2 Effect of Integrated Mergers 3 Section 1.3 Closing; Effective Time 3 Section 1.4 Organizational Documents 3 Section 1.5 Directors and Officers of the

July 12, 2021 EX-99.1

Penn Virginia Announces Agreement to Acquire Lonestar Resources Continues Accretive Eagle Ford Consolidation — Complementary Assets, Increased Scale, Free Cash Flow and Inventory —

EX-99.1 2 d164665dex991.htm EX-99.1 Exhibit 99.1 Penn Virginia Announces Agreement to Acquire Lonestar Resources Continues Accretive Eagle Ford Consolidation — Complementary Assets, Increased Scale, Free Cash Flow and Inventory — HOUSTON, July 12, 2021 (GLOBE NEWSWIRE) — Penn Virginia Corporation (“Penn Virginia” or the “Company”) (NASDAQ: PVAC) and Lonestar Resources US Inc. (“Lonestar”) (OTCQX:

July 12, 2021 8-K

Changes in Control of Registrant, 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): July 10, 2021 LONESTAR RESOURCES US INC. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commissio

June 11, 2021 SC 13G/A

LONE / Lonestar Resources US Inc. / Kruco LLC - AMENDMENT NO. 2 Passive Investment

SC 13G/A 1 c611210sc13ga2.htm AMENDMENT NO. 2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* LONESTAR RESOURCES US, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F202 (CUSIP Number) June 9, 2021 (Date of Event Which Requires Filing of This Statemen

May 12, 2021 EX-99.1

1 First Quarter Conference Call May 12th, 2021 Lonestar Resources Lonestar Resources 2 Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the P

1 First Quarter Conference Call May 12th, 2021 Lonestar Resources Lonestar Resources 2 Forward Looking Statements The information in this presentation includes ?forward-looking statements? that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995.

May 12, 2021 8-K

Regulation FD Disclosure, 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): May 12, 2021 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commission

May 11, 2021 EX-10.2

2021 Form of Restricted Stock Unit Agreement under the 2021 Lonestar Resources US Inc. 2021 Management Incentive Plan

EX-10.2 2 a102-2021incentiveplanrsua.htm EX-10.2 Exhibit 10.2 LONESTAR RESOURCES US INC. 2021 MANAGEMENT INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE Capitalized terms not specifically defined in this Restricted Stock Unit Grant Notice (the “Grant Notice”) have the meanings given to them in the 2021 Management Incentive Plan (the “Plan”) of Lonestar Resources US Inc. (the “Company”). The Comp

May 11, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2021 Lonestar Resources US Inc.

May 11, 2021 EX-99.1

1 Lonestar Reports First Quarter 2021 Results: Financial Position Strengthened, Operational Momentum Resuming Fort Worth, Texas, May 11, 2021 (Business Wire) - Lonestar Resources US Inc. (OTCQX: LONE) (including its subsidiaries, “Lonestar,” “we,” “u

EX-99.1 2 pressrelease-1q21vfxfin.htm EX-99.1 1 Lonestar Reports First Quarter 2021 Results: Financial Position Strengthened, Operational Momentum Resuming Fort Worth, Texas, May 11, 2021 (Business Wire) - Lonestar Resources US Inc. (OTCQX: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today reported financial and operating results for the three months ended Ma

May 11, 2021 EX-10.3

2021 Form of Restricted Stock Unit Agreement under the 2021 Lonestar Resources US Inc. 2021 Management Incentive Plan (subject to Performance Criteria)

EX-10.3 3 a103-2021incentiveplanrsua.htm EX-10.3 Exhibit 10.3 LONESTAR RESOURCES US INC. 2021 MANAGEMENT INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE Capitalized terms not specifically defined in this Restricted Stock Unit Grant Notice (the “Grant Notice”) have the meanings given to them in the 2021 Management Incentive Plan (the “Plan”) of Lonestar Resources US Inc. (the “Company”). The Comp

May 11, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

April 30, 2021 10-K/A

Annual Report - 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) (Mark One) ? 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 001-3

April 19, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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 13, 2021 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commissi

April 13, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on April 13, 2021 Registration No.

April 13, 2021 EX-10.1

Lonestar Resources US Inc. 2021 Management Incentive Plan

EX-10.1 3 d156049dex101.htm EX-10.1 Exhibit 10.1 LONESTAR RESOURCES US INC. 2021 MANAGEMENT INCENTIVE PLAN ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership and other incentive opportunities. Capitalized terms

April 12, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Lonestar Resources US Inc. (Name of Issuer) Common Stock, $0.001 Par Value (Title of Class of Securities) (CUSIP Number) Ma

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Lonestar Resources US Inc. (Name of Issuer) Common Stock, $0.001 Par Value (Title of Class of Securities) 54240F202 (CUSIP Number) March 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

April 9, 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)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* LONESTAR RESOURCES US, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F202 (CUSIP Number) April 7, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the

March 31, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? 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 001-37670 Lonestar Resour

March 31, 2021 EX-21.1

List of subsidiaries of Lonestar Resources US Inc.

Exhibit 21.1 The following is a list of subsidiaries of the Company as of December 31, 2020: Subsidiary Jurisdiction of Incorporation Lonestar Resources America, Inc. Delaware Lonestar Resources, Inc. Delaware Lonestar Resources Intermediate, Inc. Delaware LNR America, Inc. Delaware Eagleford Gas, LLC Texas Poplar Energy, LLC Texas Eagleford Gas 2, LLC Texas Eagleford Gas 3, LLC Texas Eagleford Ga

March 31, 2021 EX-99.2

Report of W.D. Von Gonten & Co. regarding the Company’s estimated proved reserves as of December 31, 20

EX-99.2 8 a992reservereport.htm EX-99.2 Exhibit 99.2 March 22, 2020 Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 Re: Lonestar Resources US Inc. Estimate of Reserves and Revenues 2019 SEC Year-End Pricing “As of” December 31, 2020 Ladies and Gentlemen: At your request, W.D. Von Gonten & Co. (Von Gonten) has prepared estimates of future reserves and projected net reve

March 22, 2021 8-K

Regulation FD Disclosure, 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): March 22, 2021 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commissi

March 22, 2021 EX-99.1

1 Presentation to Investors March 2021 Lonestar Resources Lonestar Resources 2 Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private S

lonestarresources-march2 1 Presentation to Investors March 2021 Lonestar Resources Lonestar Resources 2 Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995.

February 3, 2021 SC 13G

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* LONESTAR RESOURCES US, INC. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F202 (CUSIP Number) January 26, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate t

January 26, 2021 8-A12G

- 8-A12G

8-A12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 LONESTAR RESOURCES US INC. (Exact name of registrant as specified in its charter) Delaware 81-0874035 (State of incorporation or organization) (I.R.S. Employer Identification No.) 111 Bola

January 26, 2021 EX-4.4

See Restrictions on Reverse Side

EX-4.4 2 d106314dex44.htm EX-4.4 Exhibit 4.4 See Restrictions on Reverse Side organized under the laws of the state of delaware NUMBER SHARES LONESTAR RESOURCES US INC. COMMON STOCK CUSIP 54240F 20 2 The Corporation is Authorized to Issue 90,000,000 Shares Common Stock—$0.001 Par Value Per Share This Certifies that SPECIMEN is the owner of fully paid and non-assessable Shares of the Common Stock o

December 10, 2020 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 7)* LONESTAR RESOURCES US INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0.001 per Share

December 9, 2020 SC 13G

LONE / Lonestar Resources US Inc. / Matlin Lisa - 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. )* LONESTAR RESOURCES US, INC (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F 202 (CUSIP Number) Lisa Matlin P.O. Box 63 New York, NY 10014 212-671-0999 (Name, Address and Telephone Number of Person Aut

December 9, 2020 SC 13G

LONE / Lonestar Resources US Inc. / MATLIN DAVID J - 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. )* LONESTAR RESOURCES US, INC (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F 202 (CUSIP Number) David J. Matlin 70 East 55th Street, 9th Floor New York, New York 10022 (212) 651-9500 (Name, Address and

December 1, 2020 EX-10.2

Registration Rights Agreement dated as of November 30, 2020, among Lonestar Resources US Inc. and the holders party thereto.

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (as amended, supplemented, or otherwise modified from time to time, this ?Agreement?), is made as of November 30, 2020 between Lonestar Resources US Inc., a Delaware corporation (the ?Company?), and the Holders (as defined below) party hereto from time to time. Capitalized terms used but not otherwise defined herein shal

December 1, 2020 EX-3.1

Amended and Restated Certificate of Incorporation of Lonestar Resources US Inc.

Exhibit 3.1 AMENDED & RESTATED CERTIFICATE OF INCORPORATION OF LONESTAR RESOURCES US INC. LONESTAR RESOURCES US INC., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: (1) The name of the Corporation is LONESTAR RESOURCES US INC. (the ?Corporation?). The Corporation was originally incorporated by the filing of a Certificate of Incorporation

December 1, 2020 EX-3.2

Second Amended and Restated Bylaws of Lonestar Resources US Inc.

Exhibit 3.2 SECOND AMENDED & RESTATED BYLAWS OF LONESTAR RESOURCES US INC. (a Delaware corporation) Effective as of November 30, 2020 These Second Amended and Restated Bylaws (these ?Bylaws?) are subject to, and governed by, the General Corporation Law of the State of Delaware (as amended from time to time, the ?DGCL?) and the Amended & Restated Certificate of Incorporation (the ?Certificate of In

December 1, 2020 EX-10.5

Employment Agreement, dated November 30, 2020, by and between Lonestar Resources US Inc. and Frank D. Bracken, III.

EX-10.5 8 d19537dex105.htm EX-10.5 Exhibit 10.5 Employment Agreement This Employment Agreement (this “Agreement”), dated as of November 30, 2020, is made by and between Lonestar Resources US Inc. (together with any successor thereto, the “Company”), and Frank Bracken (the “Executive”) (each a “Party” and collectively referred to herein as the “Parties”). RECITALS A. This Agreement is entered into

December 1, 2020 EX-10.4

Tranche 2 Warrant Agreement, dated November 30, 2020, by and between Lonestar Resources US Inc., Computershare Inc. and Computershare Trust Company, N.A., as warrant agent.

EX-10.4 7 d19537dex104.htm EX-10.4 Exhibit 10.4 TRANCHE 2 WARRANT AGREEMENT between LONESTAR RESOURCES US INC. COMPUTERSHARE INC. and COMPUTERSHARE TRUST COMPANY N.A., as Warrant Agent Dated as of November 30, 2020 Warrants to Purchase Common Stock TABLE OF CONTENTS Page 1. Definitions 1 2. Warrant Certificates; Book-Entry Warrants 10 2.1 Original Issuance of Warrants 10 2.2 Form of Warrants 10 2.

December 1, 2020 EX-10.3

Tranche 1 Warrant Agreement, dated November 30, 2020, by and between Lonestar Resources US Inc., Computershare Inc. and Computershare Trust Company, N.A., as warrant agent.

Exhibit 10.3 TRANCHE 1 WARRANT AGREEMENT between LONESTAR RESOURCES US INC. COMPUTERSHARE INC. and COMPUTERSHARE TRUST COMPANY N.A., as Warrant Agent Dated as of November 30, 2020 Warrants to Purchase Common Stock TABLE OF CONTENTS Page 1. Definitions 1 2. Warrant Certificates; Book-Entry Warrants 10 2.1 Original Issuance of Warrants 10 2.2 Form of Warrants 10 2.3 Execution and Delivery of Warrant

December 1, 2020 EX-99.1

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION x In re: : Chapter 11 : LONESTAR RESOURCES US INC., et al.,1 : Case No. 20-34805 (DRJ) : Debtors. : (Jointly Administered) : x NOTICE OF EFFECTIVE DATE OF THE J

Exhibit 99.1 IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION x In re: : Chapter 11 : LONESTAR RESOURCES US INC., et al.,1 : Case No. 20-34805 (DRJ) : Debtors. : (Jointly Administered) : x NOTICE OF EFFECTIVE DATE OF THE JOINT PREPACKAGED PLAN OF REORGANIZATION FOR LONESTAR RESOURCES US INC. AND ITS AFFILIATE DEBTORS UNDER CHAPTER 11 OF THE BANKRUPTCY CODE

December 1, 2020 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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): November 30, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commi

December 1, 2020 EX-10.1

Amended and Restated Credit Agreement, dated as of November 30, 2020, among Lonestar Resources America Inc., as borrower, Lonestar Resources US Inc., as parent, Citibank, N.A. as administrative agent and an issuing lender, and the lenders named therein.

Exhibit 10.1 EXECUTION VERSION AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF NOVEMBER 30, 2020 AMONG LONESTAR RESOURCES US INC., AS PARENT, LONESTAR RESOURCES AMERICA INC., AS BORROWER, CITIBANK, N.A., AS ADMINISTRATIVE AGENT, AND THE LENDERS PARTY HERETO CITIBANK, N.A. AS SOLE LEAD ARRANGER TABLE OF CONTENTS Page ARTICLE I Definitions and Accounting Matters Section 1.01. Terms Defined Above 1

November 19, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

November 19, 2020 8-K

Regulation FD Disclosure, 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 19, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

November 19, 2020 EX-99.1

Lonestar Announces Third Quarter 2020 Results

EX-99.1 2 pressrelease-3q20.htm EX-99.1 Exhibit 99.1 Lonestar Announces Third Quarter 2020 Results Fort Worth, Texas, November 19, 2020 (Business Wire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today reported financial and operating results for the three months ended September 30, 2020. HIGHLIGHTS •Lonestar reported an

November 17, 2020 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2020 ☐ Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ? Form 10-K ? Form 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-CEN ? Form N-CSR For Period Ended: September 30, 2020 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

November 13, 2020 EX-2.1

Joint Prepackaged Plan of Reorganization for Lonestar Resources US Inc. and Its Affiliate Debtors Under Chapter 11 of the Bankruptcy Code.

EX-2.1 2 d72913dex21.htm EX-2.1 Exhibit 2.1 Solicitation Version IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION x In re: : Chapter 11 : LONESTAR RESOURCES US INC., et al. : Case No. 20- ( ) : Debtors.1 : (Jointly Administered) x JOINT PREPACKAGED PLAN OF REORGANIZATION FOR LONESTAR RESOURCES US INC. AND ITS AFFILIATE DEBTORS UNDER CHAPTER 11 OF THE BANKRU

November 13, 2020 8-K

Financial Statements and Exhibits, Bankruptcy or Receivership - 8-K

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 12, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (C

October 7, 2020 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing - 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): October 1, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Commiss

October 1, 2020 8-K

Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Bankruptcy or Receivership - 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 30, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (Comm

September 15, 2020 EX-99.2

LONESTAR RESOURCES US INC. ANNOUNCES RESTRUCTURING SUPPORT AGREEMENT

EX-99.2 Exhibit 99.2 LONESTAR RESOURCES US INC. ANNOUNCES RESTRUCTURING SUPPORT AGREEMENT FORT WORTH, TX – September 14, 2020 (BUSINESS WIRE) – Lonestar Resources US Inc. (the “Company” or “Lonestar”) (NASDAQ: LONE) today announced that it and certain of its direct and indirect wholly-owned domestic subsidiaries (collectively with the Company, the “Debtors”) have entered into a Restructuring Suppo

September 15, 2020 EX-99.1

2 Internal reserves November 1, 2020 effective date and August 10, 2020 strip pricing Total Reserves August 10, 2020 Strip Pricing(2) (1) Notes: Hedge PV-10 as of November 1, 2020 at August 10, 2020 NYMEX strip pricing; includes 2021 gas and crude ou

EX-99.1 Confidential Financial Projections Exhibit 99.1 2 Internal reserves November 1, 2020 effective date and August 10, 2020 strip pricing Total Reserves August 10, 2020 Strip Pricing(2) (1) Notes: Hedge PV-10 as of November 1, 2020 at August 10, 2020 NYMEX strip pricing; includes 2021 gas and crude out-of-money hedges, assumes all other hedges have been monetized. NYMEX annual average strip pr

September 15, 2020 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits - 8-K

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 14, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation) (

September 15, 2020 EX-10.1

Restructuring Support Agreement, dated September 14, 2020 by and among the Company, Lonestar Resources America Inc., each other direct and indirect wholly-owned, domestic subsidiary of the Company party thereto and the Consenting Creditors.

EX-10.1 Exhibit 10.1 EXECUTION VERSION RESTRUCTURING SUPPORT AGREEMENT This Restructuring Support Agreement (including all exhibits, annexes or supplements hereto, as the same may be amended, modified or supplemented from time to time in accordance with the terms hereof, this “Agreement”), dated as of September 14, 2020, is entered into by and among (i) Lonestar Resources US Inc. (“Parent”), (ii)

September 10, 2020 SC 13G/A

LONE / Lonestar Resources US Inc. / Kruse William R - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* LONESTAR RESOURCES US, INC. (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F103 (CUSIP Number) SEPTEMBER 2, 2020 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to d

September 1, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 lone-8xkforbearanceagr.htm 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 21, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other ju

September 1, 2020 EX-10.1

Amendment No. 2 to the Forbearance Agreement, Fourteenth Amendment, and Borrowing Base Agreement, dated as of August 21, 2020, by and among Lonestar Resources America Inc., the guarantors under the Credit Facility, the Lenders and Citibank, N.A., as Administrative Agent for the Lenders.

Exhibit 10.1 AMENDMENT NO. 2 TO THE FORBEARANCE AGREEMENT, FOURTEENTH AMENDMENT, AND BORROWING BASE AGREEMENT This AMENDMENT NO. 2 TO THE FORBEARANCE AGREEMENT, FOURTEENTH AMENDMENT, AND BORROWING BASE AGREEMENT (this “Agreement”) dated as of August 21, 2020 is by and among Lonestar Resources America Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the Lenders (as define

August 20, 2020 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

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 17, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organi

August 17, 2020 EX-99.1

Lonestar Announces Second Quarter 2020 Results

Exhibit 99.1 Lonestar Announces Second Quarter 2020 Results Fort Worth, Texas, August 17, 2020 (Business Wire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today reported financial and operating results for the three months ended June 30, 2020. HIGHLIGHTS •Lonestar responded to a collapse in crude oil prices during the sec

August 17, 2020 8-K

Regulation FD Disclosure, 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 16, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organi

August 14, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

August 3, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement

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): July 31, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

August 3, 2020 EX-10.2

Amendment No. 1 to the Forbearance Agreement, Fourteenth Amendment, and Borrowing Base Agreement

EXECUTION VERSION Exhibit 10.2 AMENDMENT NO. 1 TO THE FORBEARANCE AGREEMENT, FOURTEENTH AMENDMENT, and borrowing base agreement This AMENDMENT NO. 1 TO THE FORBEARANCE AGREEMENT, FOURTEENTH AMENDMENT, AND BORROWING BASE AGREEMENT (this “Agreement”) dated as of July 31, 2020 is by and among Lonestar Resources America Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the Le

August 3, 2020 EX-10.1

Forbearance Agreement

Exhibit 10.1 FORBEARANCE AGREEMENT This Forbearance Agreement, dated as of July 31, 2020 (this “Forbearance Agreement”), with respect to that certain Indenture, dated as of January 4, 2018 (as amended, supplemented or otherwise modified from time to time, the “Indenture”), by and among Lonestar Resources America Inc., a Delaware corporation (the “Company”), the guarantors from time to time party t

July 6, 2020 EX-99.1

Lonestar Announces First Quarter 2020 Results

Lonestar Announces First Quarter 2020 Results Fort Worth, Texas, July 5, 2020 (Business Wire) - Lonestar Resources US Inc.

July 6, 2020 8-K

Regulation FD Disclosure, 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): July 5, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

July 2, 2020 EX-10.4

Lonestar Resources US. Inc. Change in Control Severance Plan

Exhibit 10.4 LONESTAR RESOURCES US INC. CHANGE IN CONTROL SEVERANCE PLAN I. PURPOSE The purpose of this Lonestar Resources US Inc. Change in Control Severance Plan (the “Plan”) is to encourage employees of Lonestar Resources US Inc. (together with any successor, the “Company”) and its subsidiaries to remain in the employ of the Employer by providing, among other things, severance protections to su

July 2, 2020 EX-10.5

Lonestar Resources US Inc. Change in Control Severance Plan Eligibility Notification (Executive)

Exhibit 10.5 Lonestar Resources US Inc. Change In Control Severance Plan Eligibility Notification Personal and Confidential June , 2020 [First Name, Last Name] Re: Eligibility Notification Dear [First Name]: On behalf of Lonestar Resources US Inc. ( the “Company”), I am pleased to offer you the opportunity to participate in the Lonestar Resources US Inc. Change in Control Severance Plan (the “Plan

July 2, 2020 EX-10.3

Forbearance Agreement, Fourteenth Amendment, and Borrowing Base Agreement

Execution Version Exhibit 10.3 FORBEARANCE AGREEMENT, FOURTEENTH AMENDMENT, AND BORROWING BASE AGREEMENT This Forbearance Agreement, Fourteenth Amendment, and Borrowing Base Agreement (this “Agreement”) dated as of July 2, 2020 (the “Effective Date”) is among Lonestar Resources America Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the Lenders (as defined below), and C

July 2, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ý QUARTERL Y 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

July 1, 2020 8-K

Regulation FD Disclosure

8-K 1 a8-kx712020bondinterestpay.htm 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): July 1, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other j

June 30, 2020 NT 10-Q

- NT 10-Q

NT 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: March 31, 2020 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended: Read Instruction (on back page) Before Preparing Form.

June 17, 2020 EX-10.1

Waiver and Thirteenth Amendment to Credit Agreement.

Exhibit 10.1 WAIVER AND THIRTEENTH AMENDMENT TO CREDIT AGREEMENT THIS WAIVER AND THIRTEENTH AMENDMENT TO CREDIT AGREEMENT (this “Agreement”) is entered into as of June 11, 2020, among LONESTAR RESOURCES AMERICA INC., a Delaware corporation (“Borrower”), the Guarantors party hereto, CITIBANK, N.A., a national banking association, as administrative agent (in such capacity, the “Administrative Agent”

June 17, 2020 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): June 11, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

May 28, 2020 8-K

Submission of Matters to a Vote of Security Holders

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 26, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

May 14, 2020 10-K/A

Annual Report - 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Mark One) þ 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 001-37670 Lonestar Reso

May 11, 2020 EX-10.1

Twelfth Amendment to Credit Agreement.

Exhibit 10.1 TWELFTH AMENDMENT TO CREDIT AGREEMENT THIS TWELFTH AMENDMENT TO CREDIT AGREEMENT (this “Agreement”) is entered into as of May 8, 2020, among LONESTAR RESOURCES AMERICA INC., a Delaware corporation (“Borrower”), the Guarantors party hereto, CITIBANK, N.A., a national banking association, as administrative agent (in such capacity, the “Administrative Agent”) and as issuing bank (in such

May 11, 2020 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): May 8, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizati

April 24, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

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 20, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

April 16, 2020 DEF 14A

LONE / Lonestar Resources US Inc. DEF 14A - - DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 16, 2020 DEFA14A

LONE / Lonestar Resources US Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 13, 2020 EX-4.6

Description of the Registrant's Securities Registered pursuant to Section 12 of the Securities Exchange Act of 1934.

Exhibit 4.6 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following is a description of the capital stock of Lonestar Resources US Inc. (the "Company," "we," "us," and "our"), which is registered under Section 12 of the Securities Exchange Act of 1934, as amended. The following description is not complete and is qualified in

April 13, 2020 EX-10.15

Limited Waiver and Eleventh Amendment to Credit Agreement

Exhibit 10.15 LIMITED WAIVER AND ELEVENTH AMENDMENT TO CREDIT AGREEMENT THIS LIMITED WAIVER AND ELEVENTH AMENDMENT TO CREDIT AGREEMENT (this "Agreement") is entered into as of April 7, 2020, among LONESTAR RESOURCES AMERICA INC., a Delaware corporation ("Borrower"), the Guarantors party hereto, CITIBANK, N.A., a national banking association, as administrative agent (in such capacity, the "Administ

April 13, 2020 EX-99.2

Report of W.D. Von Gonten & Co. regarding the Company’s estimated proved reserves as of December 31, 2019, dated February 12, 2020

Exhibit 99.2 February 12, 2020 Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 Re: Lonestar Resources US Inc. Estimate of Reserves and Revenues 2019 SEC Year-End Pricing “As of” December 31, 2019 Ladies and Gentlemen: At your request, W.D. Von Gonten & Co. (Von Gonten) has prepared estimates of future reserves and projected net revenues for certain property interests o

April 13, 2020 EX-99.1

Lonestar Announces Fourth Quarter 2019 Results

Lonestar Announces Fourth Quarter 2019 Results Fort Worth, Texas, April 13, 2020 (Business Wire) - Lonestar Resources US Inc.

April 13, 2020 EX-21.1

List of subsidiaries of Lonestar Resources US Inc.

Exhibit 21.1 The following is a list of subsidiaries of the Company as of December 31, 2019: Subsidiary Jurisdiction of Incorporation Lonestar Resources America, Inc. Delaware Lonestar Resources, Inc. Delaware Lonestar Resources Intermediate, Inc. Delaware LNR America, Inc. Delaware Eagleford Gas, LLC Texas Poplar Energy, LLC Texas Eagleford Gas 2, LLC Texas Eagleford Gas 3, LLC Texas Eagleford Ga

April 13, 2020 10-K

LONE / Lonestar Resources US Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ 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 001-37670 Lonestar Resour

April 13, 2020 8-K

Regulation FD Disclosure, 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): April 13, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

March 31, 2020 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 6)* LONESTAR RESOURCES US INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0.001 per Share

March 27, 2020 8-K

Other Events

8-K 1 a8-kx32620xcovid19.htm 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 27, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdi

March 17, 2020 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): March 16, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

March 12, 2020 EX-99.1

LONESTAR ANNOUNCES BOLSTERED HEDGE POSITIONS

LONESTAR ANNOUNCES BOLSTERED HEDGE POSITIONS Fort Worth, Texas, March 12, 2020 - Lonestar Resources US Inc.

March 12, 2020 8-K

Regulation FD Disclosure, 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): March 12, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

February 26, 2020 8-K

Regulation FD Disclosure, 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 26, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

February 26, 2020 EX-99.1

LONESTAR ANNOUCES EAGLE FORD SHALE JOINT DEVELOPMENT AGREEMENT

LONESTAR ANNOUCES EAGLE FORD SHALE JOINT DEVELOPMENT AGREEMENT Fort Worth, Texas, February 26, 2020 - Lonestar Resources US Inc.

February 20, 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 20, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

February 20, 2020 EX-99.1

LONESTAR BOOSTS PROVED RESERVES TO OVER 100 MILLION BOE

LONESTAR BOOSTS PROVED RESERVES TO OVER 100 MILLION BOE Fort Worth, Texas, February 20, 2020 - Lonestar Resources US Inc.

February 14, 2020 SC 13G/A

LONE / Lonestar Resources US Inc. / Kruse William R - AMENDMENT NO. 1 Passive Investment

SC 13G/A 1 r213200sc13ga1.htm AMENDMENT NO. 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* LONESTAR RESOURCES US, INC. (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F103 (CUSIP Number) DECEMBER 31, 2019 (Date of Event Which Requires Filing of

February 12, 2020 EX-99.1

Lonestar Resources US Inc. Presentation to Investors February 2020 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harb

EX-99.1 2 lonestarresourcesfeb2020.htm EXHIBIT 99.1 Lonestar Resources US Inc. Presentation to Investors February 2020 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than

February 12, 2020 8-K

Regulation FD Disclosure, 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 12, 2020 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

December 31, 2019 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 5)* LONESTAR RESOURCES US INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0.001 per Share

December 23, 2019 8-K

Regulation FD Disclosure, 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): December 23, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

December 23, 2019 EX-99.1

LONESTAR ANNOUNCES REAFFIRMATION OF $290 MILLION BORRROWING BASE

LONESTAR ANNOUNCES REAFFIRMATION OF $290 MILLION BORRROWING BASE Fort Worth, Texas, December 23, 2019 (Business Wire) - Lonestar Resources US Inc.

December 18, 2019 SC 13G

LONE / Lonestar Resources US Inc. / Kruse William R Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* LONESTAR RESOURCES US, INC. (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F103 (CUSIP Number) December 10, 2019 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to de

December 16, 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): December 16, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

December 10, 2019 EX-99.1

Lonestar Resources US Inc. Presentation to Investors December 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harb

lonestarresourcesdec2019 Lonestar Resources US Inc. Presentation to Investors December 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fa

December 10, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 a8-kx121019xcowenconferenc.htm 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): December 10, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or ot

November 27, 2019 SC 13G/A

LONE / Lonestar Resources US Inc. / B. Riley Financial, Inc. - AMENDMENT NO.1 TO 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. 1)* Lonestar Resources US Inc. (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F103 (CUSIP Number) November 20, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to de

November 12, 2019 10-Q

LONE / Lonestar Resources US Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ý QUARTERL Y 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

November 12, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 q3-2019earnings8k.htm 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 11, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other juris

November 12, 2019 EX-99.1

Lonestar Announces Record Third Quarter 2019 Production

EX-99.1 2 q32019earningspressrelease.htm EXHIBIT 99.1 Lonestar Announces Record Third Quarter 2019 Production Fort Worth, Texas, November 11, 2019 (Business Wire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, "Lonestar," "we," "us," "our" or the "Company") today reported financial and operating results for the three months ended September 30, 2019. HIGHLIGHTS • Productio

October 1, 2019 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 4)* LONESTAR RESOURCES US INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0.001 per Share

September 24, 2019 EX-99.1

Lonestar Resources US Inc. Presentation to Investors September 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Har

lonestarresourcessep2019 Lonestar Resources US Inc. Presentation to Investors September 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical f

September 24, 2019 8-K

Regulation FD Disclosure, 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): September 24, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or org

September 17, 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): September 16, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or org

August 12, 2019 EX-99.1

Lonestar Resources US Inc. Presentation to Investors August 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor

EX-99.1 2 lonestarresourcesaug2019.htm EXHIBIT 99.1 Lonestar Resources US Inc. Presentation to Investors August 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than st

August 12, 2019 8-K

Regulation FD Disclosure, 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): August 12, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organi

August 5, 2019 EX-99.1

Lonestar Announces Second Quarter 2019 Financial Results And Increases 2019 Guidance

Lonestar Announces Second Quarter 2019 Financial Results And Increases 2019 Guidance Fort Worth, Texas, August 5, 2019 (Business Wire) - Lonestar Resources US Inc.

August 5, 2019 8-K

Regulation FD Disclosure, 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 5, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

August 5, 2019 10-Q

LONE / Lonestar Resources US Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ý QUARTERL Y 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

July 17, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors July 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor

lonestarresourcesjul2019 Lonestar Resources US, Inc. Presentation to Investors July 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact

July 17, 2019 8-K

Regulation FD Disclosure, 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): July 17, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

July 8, 2019 EX-99.1

LONESTAR SECOND QUARTER 2019 PRODUCTION EXCEEDS GUIDANCE

LONESTAR SECOND QUARTER 2019 PRODUCTION EXCEEDS GUIDANCE Fort Worth, Texas, July 8, 2019 (Business Wire) - Lonestar Resources US Inc.

July 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): July 8, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

July 2, 2019 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 3)* LONESTAR RESOURCES US INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0.001 per Share

June 25, 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): June 24, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 24, 2019 8-K

Regulation FD Disclosure, 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 24, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 24, 2019 EX-99.1

LONESTAR ANNOUNCES POSITIVE PRODUCTION RESULTS AT HORNED FROG

EX-99.1 2 hornedfrogresultspressrele.htm EXHIBIT 99.1 LONESTAR ANNOUNCES POSITIVE PRODUCTION RESULTS AT HORNED FROG Fort Worth, Texas, June 24, 2019 (PRNewswire) - Lonestar Resources US Inc. (NASDAQ: LONE) (together with its subsidiaries, "Lonestar", "we", "our" or the "Company") announced additional well results in its Horned Frog area located in La Salle County, Texas. Lonestar previously announ

June 19, 2019 8-K

Regulation FD Disclosure, 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 19, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 19, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors June 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor

lonestarresourcesjun2019 Lonestar Resources US, Inc. Presentation to Investors June 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact

June 18, 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): June 17, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 18, 2019 EX-10.1

Borrowing Base Redetermination and Tenth Amendment to Credit Agreement

Execution Version BORROWING BASE REDETERMINATION AND TENTH AMENDMENT TO CREDIT AGREEMENT THIS BORROWING BASE REDETERMINATION AND TENTH AMENDMENT TO CREDIT AGREEMENT (this “Agreement”) is entered into as of June 17, 2019, among LONESTAR RESOURCES AMERICA INC.

June 17, 2019 EX-99.1

LONESTAR ANNOUNCES INCREASE IN BORROWING BASE AND INCREASES IN OIL & GAS HEDGE POSITION

LONESTAR ANNOUNCES INCREASE IN BORROWING BASE AND INCREASES IN OIL & GAS HEDGE POSITION Fort Worth, Texas, June 17, 2019 (PRNewswire) - Lonestar Resources US Inc.

June 17, 2019 8-K

Regulation FD Disclosure, 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 17, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

May 28, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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 23, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

May 28, 2019 EX-10.1

Lonestar Resources US Inc. Amended and Restated 2016 Incentive Plan, as amended and restated as of May 28, 2019

Exhibit 10.1 LONESTAR RESOURCES US INC. AMENDED AND RESTATED 2016 INCENTIVE PLAN ARTICLE I. PURPOSE This Plan is a restatement of the Lonestar Resources US Inc. 2016 Incentive Plan, which was adopted by the Board on March 22, 2016 as a successor to the Lonestar Resources Limited 2012 Employee Share Option Plan for use following the re-domiciliation of Lonestar Resources Limited to the United State

May 22, 2019 8-K

Regulation FD Disclosure, 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): May 22, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

May 22, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors May 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor P

lonestarresourcesmay2019 Lonestar Resources US, Inc. Presentation to Investors May 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact i

May 13, 2019 EX-99.1

Lonestar Announces First Quarter 2019 Financial Results And Provides Operational Update

Lonestar Announces First Quarter 2019 Financial Results And Provides Operational Update Fort Worth, Texas, May 13, 2019 (PRNewswire) - Lonestar Resources US Inc.

May 13, 2019 8-K

Regulation FD Disclosure, 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 13, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organizat

May 10, 2019 10-Q

LONE / Lonestar Resources US Inc. 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ý QUARTERL Y 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

May 9, 2019 424B3

Lonestar Resources US Inc. Class A Voting Common Stock

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-231072 PROSPECTUS Lonestar Resources US Inc. $300,000,000 Class A Voting Common Stock We may offer and sell up to $300,000,000 of shares of our Class A voting common stock, par value $0.001 (the “Common Stock” or “Class A Common Stock”), in amounts and at prices we will determine at the time of our acquisitions of busine

May 7, 2019 CORRESP

LONE / Lonestar Resources US Inc. CORRESP - -

Acceleration Request Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 May 7, 2019 Via EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F. Street, N.E. Washington, D.C. 20549 Attn: Irene Barberena-Meissner Office of Natural Resources Division of Corporation Finance Re: Lonestar Resources US Inc. Registration Statement on Form S-4 File No. 333-

April 26, 2019 S-4

LONE / Lonestar Resources US Inc. S-4 FORM S-4

Form S-4 Table of Contents As filed with the Securities and Exchange Commission on April 26, 2019 Registration No.

April 9, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors April 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor

lonestarresourcesapr2019 Lonestar Resources US, Inc. Presentation to Investors April 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact

April 9, 2019 8-K

Regulation FD Disclosure, 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 9, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

April 9, 2019 DEFA14A

LONE / Lonestar Resources US Inc. DEFA14A

DEFA14A 1 proxycard.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Prelimi

April 9, 2019 DEF 14A

Schedule 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 2, 2019 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D AMENDMENT NO. 2 Activist Investment

SC 13D AMENDMENT NO. 2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 2)* LONESTAR RESOURCES US, INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0

March 20, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors March 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor

lonestarresourcesmar2019 Lonestar Resources US, Inc. Presentation to Investors March 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact

March 20, 2019 8-K

Regulation FD Disclosure, 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): March 20, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

March 13, 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): March 12, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

March 13, 2019 EX-99.1

Lonestar Announces Fourth Quarter 2018 Financial Results And Provides Operational Update

Lonestar Announces Fourth Quarter 2018 Financial Results And Provides Operational Update Fort Worth, Texas, March 7, 2019 (PRNewswire) - Lonestar Resources US Inc.

March 13, 2019 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) 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 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incor

March 13, 2019 EX-99.2

Report of W.D. Von Gonten & Co. regarding the Company’s estimated proved reserves as of December 31, 2018, dated February 19, 2019

Exhibit 99.2 February 19, 2019 Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 Re: Lonestar Resources US Inc. Estimate of Reserves and Revenues 2018 SEC Year-End Pricing “As of” December 31, 2018 Ladies and Gentlemen: At your request, W.D. Von Gonten & Co. (Von Gonten) has prepared estimates of future reserves and projected net revenues for certain property interests o

March 13, 2019 EX-21.1

List of subsidiaries of Lonestar Resources US Inc.

Exhibit 21.1 The following is a list of subsidiaries of the Company as of December 31, 2018: Subsidiary Jurisdiction of Incorporation Lonestar Resources America, Inc. Delaware Lonestar Resources, Inc. Delaware Lonestar Resources Intermediate, Inc. Delaware LNR America, Inc. Delaware Eagleford Gas, LLC Texas Poplar Energy, LLC Texas Eagleford Gas 2, LLC Texas Eagleford Gas 3, LLC Texas Eagleford Ga

March 13, 2019 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ 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 001-37670 Lonestar Resour

March 8, 2019 8-K

Regulation FD Disclosure, 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): March 7, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

March 8, 2019 EX-99.1

Lonestar Resources US, Inc. Year Ended 2018 Conference Call March 8, 2019 Forward‐Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) c

a4q18ye18conferencecalls Lonestar Resources US, Inc. Year Ended 2018 Conference Call March 8, 2019 Forward‐Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) contains forward-looking statements, including, but not limited to, statements about performance expectations related to our a

March 7, 2019 8-K

Regulation FD Disclosure, 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 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

March 7, 2019 EX-99.1

Lonestar Announces Fourth Quarter 2018 Financial Results And Provides Operational Update

Lonestar Announces Fourth Quarter 2018 Financial Results And Provides Operational Update Fort Worth, Texas, March 7, 2019 (PRNewswire) - Lonestar Resources US Inc.

February 27, 2019 EX-99.1

Lonestar Resources US, Inc. Presentation to Investors February 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Har

enercom2019 Lonestar Resources US, Inc. Presentation to Investors February 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact included

February 27, 2019 8-K

Regulation FD Disclosure, 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 27, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

February 26, 2019 EX-99.1

LONESTAR RESOURCES UPDATES 2019 CAPITAL PROGRAM & INITIATES 2020 TARGETS

EX-99.1 2 a991-pressreleasere2019cap.htm EXHIBIT 99.1 LONESTAR RESOURCES UPDATES 2019 CAPITAL PROGRAM & INITIATES 2020 TARGETS Fort Worth, Texas, February 26, 2019 (PRNewswire) - Lonestar Resources US Inc. (NASDAQ: LONE) announced its two-year capital plan and associated guidance. • Lonestar reported that for the three months ended December 31, 2018, the Company produced 13,152 boe/d, exceeding th

February 26, 2019 8-K

Regulation FD Disclosure, 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 26, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

February 26, 2019 EX-99.2

Lonestar Resources US, Inc. Presentation to Investors February 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Har

lonestarresourcesfeb2019 Lonestar Resources US, Inc. Presentation to Investors February 2019 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical f

February 14, 2019 SC 13G/A

LONE / Lonestar Resources US Inc. / LEUCADIA NATIONAL CORP - SC 13G/A Passive Investment

SC 13G/A 1 d715587dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) Lonestar Resources US Inc. (Name of Issuer) Class A Common Stock, par value $0.001 per share (Title of Class of Securities) 54240F103 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Stat

February 6, 2019 EX-99.1

LONESTAR RESOURCES ANNOUNCES 27% INCREASE IN PROVED RESERVES

LONESTAR RESOURCES ANNOUNCES 27% INCREASE IN PROVED RESERVES Fort Worth, Texas, February 6, 2019 (PRNewswire) - Lonestar Resources US Inc.

February 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): February 6, 2019 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organ

January 23, 2019 SC 13G

LONE / Lonestar Resources US Inc. / B. Riley Financial, Inc. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Lonestar Resources US Inc. (Name of Issuer) Class A Common Stock, $0.001 par value per share (Title of Class of Securities) 54240F103 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to des

January 11, 2019 SC 13D/A

LONE / Lonestar Resources US Inc. / Cec Gp, Llc - SC 13D AMENDMENT NO. 1 Activist Investment

SC 13D Amendment No. 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 (Amendment No. 1)* LONESTAR RESOURCES US, INC. (Name of Issuer) Class A Voting Common Stock, Par Value $0

January 2, 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): December 31, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

December 19, 2018 8-K

Regulation FD Disclosure, 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): December 19, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

December 19, 2018 EX-99.1

LONESTAR RESOURCES UPDATES 2019 HEDGE POSITIONS, REPORTS DEDICATED FRAC SPREAD AGREEMENT

EX-99.1 2 a991pressrelease-hedging.htm EXHIBIT 99.1 LONESTAR RESOURCES UPDATES 2019 HEDGE POSITIONS, REPORTS DEDICATED FRAC SPREAD AGREEMENT Fort Worth, Texas, December 19, 2018 (PRNewswire) — Lonestar Resources US Inc. (NASDAQ: LONE) (together with its subsidiaries, "Lonestar") is updating its hedge position for recent transactions. Lonestar has taken advantage of recent strength in the natural g

November 19, 2018 EX-99.1

LONESTAR ANNOUNCES EAGLE FORD SHALE ACQUISITION, INCREASED SENIOR SECURED CREDIT FACILTY

EX-99.1 3 a991pressrelease.htm EXHIBIT 99.1 LONESTAR ANNOUNCES EAGLE FORD SHALE ACQUISITION, INCREASED SENIOR SECURED CREDIT FACILTY Fort Worth, Texas, November 19, 2018 (PRNewswire) — Lonestar Resources US Inc. (NASDAQ: LONE (including its subsidiaries, “Lonestar,” “we,”, “us,” “our” or “the Company”) announced that it had closed the acquisition of producing properties in the Eagle Ford Shale pla

November 19, 2018 EX-10.1

Ninth Amendment and Joinder to Credit Agreement dated November 15, 2018, among Lonestar Resources America Inc., the Guarantors party hereto, Citibank, N.A, as administrative agent and issuing bank, and lenders party thereto.

Execution Version NINTH AMENDMENT AND JOINDER TO CREDIT AGREEMENT THIS NINTH AMENDMENT AND JOINDER TO CREDIT AGREEMENT (this “Agreement”) is entered into as of November 15, 2018, among LONESTAR RESOURCES AMERICA INC.

November 19, 2018 EX-99.2

Lonestar Resources US, Inc. Presentation to Investors November 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Har

lonestarresourcesnov2018 Lonestar Resources US, Inc. Presentation to Investors November 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical f

November 19, 2018 8-K

Regulation FD Disclosure, 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): November 15, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or orga

November 7, 2018 10-Q

LONE / Lonestar Resources US Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERL Y 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

November 6, 2018 EX-99.1

Lonestar Announces Third Quarter 2018 Financial Results And Provides Operational Update

EX-99.1 2 pressrelease-3q18.htm EXHIBIT 99.1 Lonestar Announces Third Quarter 2018 Financial Results And Provides Operational Update Fort Worth, Texas, November 5, 2018 (PRNewswire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today reported financial and operating results for the three months ended September 30, 2018. HIG

November 6, 2018 8-K

Regulation FD Disclosure, 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, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organ

November 6, 2018 EX-99.2

Lonestar Resources US, Inc. Third Quarter 2018 Conference Call November 6, 2018 Forward‐Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentat

a3q18conferencecallslide Lonestar Resources US, Inc. Third Quarter 2018 Conference Call November 6, 2018 Forward‐Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) contains forward-looking statements, including, but not limited to, statements about performance expectations related to

November 2, 2018 EX-99.2

Report of W.D. Von Gonten & Co. regarding the Company’s estimated proved reserves as of December 31, 2017, dated February 20,2018

EX-99.2 12 lone-ex99212.htm EX-99.2 Exhibit 99.2 February 20, 2018 Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 Re: Lonestar Resources US Inc. Estimate of Reserves and Revenues 2017 SEC Year-End Pricing “As of” December 31, 2017 Ladies and Gentlemen: At your request, W.D. Von Gonten & Co. (Von Gonten) has prepared estimates of future reserves and projected net reven

November 2, 2018 10-Q/A

LONE / Lonestar Resources US Inc. 10-Q/A (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q/A (Amendment No.

November 2, 2018 EX-10.8

Fifth Amendment to Credit Agreement and Limited Waiver dated effective December 29, 2016, among Lonestar Resources America Inc., Citibank, N.A., as administrative agent and lenders party thereto.

EX-10.8 3 lone-ex10814.htm EX-10.8 Exhibit 10.8 FIFTH AMENDMENT TO CREDIT AGREEMENT AND LIMITED WAIVER THIS FIFTH AMENDMENT TO CREDIT AGREEMENT AND LIMITED WAIVER (the "Fifth Amendment to Credit Agreement," or this "Amendment") is entered into effective as of December 29, 2016 (the "Fifth Amendment Effective Date"), among LONESTAR RESOURCES AMERICA INC., a Delaware corporation ("Borrower"), CITIBA

November 2, 2018 10-Q/A

LONE / Lonestar Resources US Inc. 10-Q/A (Quarterly Report)

10-Q/A 1 lone-10qa20180331.htm 10-Q/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q/A (Amendment No. 1) ☒ 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 For the transition period from t

November 2, 2018 EX-10.7

Fourth Amendment to Credit Agreement dated effective November 23, 2016, among Lonestar Resources America Inc., Citibank N.A., as administrative agent, and lenders party thereto.

Exhibit 10.7 FOURTH AMENDMENT TO CREDIT AGREEMENT THIS FOURTH AMENDMENT TO CREDIT AGREEMENT (the "Fourth Amendment to Credit Agreement," or this "Amendment") is entered into effective as of November 23, 2016 (the "Fourth Amendment Effective Date"), among LONESTAR RESOURCES AMERICA INC., a Delaware corporation ("Borrower"), CITIBANK, N.A., a national banking association, as Administrative Agent (in

November 2, 2018 10-K/A

LONE / Lonestar Resources US Inc. 10-K/A (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ 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 001-37670 Lonest

November 2, 2018 EX-10.11

Limited Waiver Agreement, dated as of March 28, 2018, among Lonestar Resources America Inc., the guarantor parties hereto, Citibank, N.A., as administrative agent and issuing bank, and lenders party thereto.

EX-10.11 4 lone-ex101115.htm EX-10.11 Exhibit 10.11 LIMITED WAIVER AGREEMENT THIS LIMITED WAIVER AGREEMENT (this “Agreement”) is entered into effective as of March 28, 2018 (the “Waiver Effective Date”), among LONESTAR RESOURCES AMERICA INC., a Delaware corporation (“Borrower”), the Guarantors party hereto, CITIBANK, N.A., a national banking association, as administrative agent (in such capacity,

November 2, 2018 EX-21.1

List of subsidiaries of Lonestar Resources US Inc.

Exhibit 21.1 The following is a list of subsidiaries of the Company as of December 31, 2017. List of Subsidiaries Subsidiary Jurisdiction of Incorporation Lonestar Resources America, Inc. Delaware Lonestar Resources, Inc. Delaware Lonestar Resources Intermediate, Inc. Delaware LNR America, Inc. Delaware Eagleford Gas, LLC Texas Poplar Energy, LLC Texas Eagleford Gas 2, LLC Texas Eagleford Gas 3, L

October 26, 2018 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

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 23, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organ

October 10, 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): October 9, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organi

October 3, 2018 EX-10.1

Consent Agreement, dated as of September 28, 2018, by and among Lonestar Resources America Inc., the guarantor parties thereto, Citibank, N.A., as administrative agent and issuing bank, and lenders party thereto.

CONSENT AGREEMENT This CONSENT AGREEMENT (this “Agreement”) is entered into effective as of September 28, 2018 (the “Effective Date”), among LONESTAR RESOURCES AMERICA INC.

October 3, 2018 8-K

Entry into a Material Definitive Agreement, 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 28, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or org

September 20, 2018 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): September 18, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or org

August 21, 2018 EX-99.1

Lonestar Resources US, Inc. Enercom August 21st, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions

lonestarresourcesaugust2 Lonestar Resources US, Inc. Enercom August 21st, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact included i

August 21, 2018 8-K

Regulation FD Disclosure, 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): August 21, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organi

August 9, 2018 EX-99.1

Lonestar Resources US, Inc. Investor Update August 9, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provi

lonestarresourcesaugust2 Lonestar Resources US, Inc. Investor Update August 9, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward‐looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact inclu

August 9, 2018 8-K

Regulation FD Disclosure, 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): August 9, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

August 6, 2018 EX-99.1

Lonestar Announces Second Quarter 2018 Financial Results And Provides Operational Update

Lonestar Announces Second Quarter 2018 Financial Results And Provides Operational Update Fort Worth, Texas, August 5, 2018 (PRNewswire) - Lonestar Resources US Inc.

August 6, 2018 8-K

Regulation FD Disclosure, 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 5, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiz

August 6, 2018 EX-99.2

Lonestar Resources US, Inc. Second Quarter 2018 Conference Call August 6, 2018 Forward-Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentati

a2q18presentation Lonestar Resources US, Inc. Second Quarter 2018 Conference Call August 6, 2018 Forward-Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) contains forward-looking statements, including, but not limited to, statements about performance expectations related to our ass

August 6, 2018 10-Q

LONE / Lonestar Resources US Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

July 2, 2018 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): June 29, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 18, 2018 8-K

Regulation FD Disclosure, 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 18, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or organiza

June 18, 2018 EX-99.1

Lonestar Resources US, Inc. J.P. Morgan Energy Conference June 18, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe

lonestarresourcesjpmorga Lonestar Resources US, Inc. J.P. Morgan Energy Conference June 18, 2018 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historic

May 24, 2018 8-K

Regulation FD Disclosure, 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

Form 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 24, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or

May 24, 2018 EX-10.1

Borrowing Base Redetermination Agreement and Amendment No. 8 to Credit Agreement.

EX-10.1 2 d566885dex101.htm EX-10.1 Exhibit 10.1 BORROWING BASE REDETERMINATION AGREEMENT AND AMENDMENT NO. 8 TO CREDIT AGREEMENT THIS BORROWING BASE REDETERMINATION AGREEMENT AND AMENDMENT NO. 8 TO CREDIT AGREEMENT (this “Agreement”) is entered into effective as of May 24, 2018 (the “Agreement Effective Date”), among LONESTAR RESOURCES AMERICA INC., a Delaware corporation (“Borrower”), the Guaran

May 24, 2018 EX-10.2

Lonestar Resources US Inc. Amended and Restated 2016 Incentive Plan, as amended as of May 24, 2018.

EX-10.2 3 d566885dex102.htm EX-10.2 Exhibit 10.2 LONESTAR RESOURCES US INC. AMENDED AND RESTATED 2016 INCENTIVE PLAN ARTICLE I. PURPOSE This Plan is a restatement of the Lonestar Resources US Inc. 2016 Incentive Plan, which was adopted by the Board on March 22, 2016 as a successor to the Lonestar Resources Limited 2012 Employee Share Option Plan for use following the re-domiciliation of Lonestar R

May 24, 2018 EX-99.1

LONESTAR ANNOUNCES INCREASE IN BORROWING BASE TO $190 MILLION

EX-99.1 EXHIBIT 99.1 LONESTAR ANNOUNCES INCREASE IN BORROWING BASE TO $190 MILLION Fort Worth, Texas, May 24, 2018 (PRNewswire) — Lonestar Resources US Inc. (NASDAQ: LONE) (together with its subsidiaries, “Lonestar”) announced that the lenders in its Senior Secured Facility (“Facility”) unanimously approved an increase in the Company’s Borrowing Base from $160 million to $190 million. With $73.5 m

May 23, 2018 EX-99.1

Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 19

EX-99.1 2 d593498dex991.htm EX-99.1 Lonestar Resources US, Inc. B. Riley Conference May 23, 2018 Exhibit 99.1 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statement

May 23, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d593498d8k.htm FORM 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 23, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction

May 14, 2018 10-Q

LONE / Lonestar Resources US Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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 For the transition period from to Commission File Number: 001-37670 Lonestar Resources US Inc.

May 14, 2018 EX-99.1

Lonestar Announces First Quarter 2018 Financial Results And Provides Operational Update

EX-99.1 2 d557680dex991.htm EX-99.1 EX-99.1 Lonestar Announces First Quarter 2018 Financial Results And Provides Operational Update Fort Worth, Texas, May 13, 2018 (PRNewswire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today reported financial and operating results for the three months ended March 31, 2018. RECENT HIGHL

May 14, 2018 EX-99.2

Forward-Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) contains forward-looking statements, including, but not limited to, stateme

EX-99.2 Lonestar Resources US, Inc. First Quarter 2018 Conference Call May 14, 2018 Exhibit 99.2 Forward-Looking Statements Safe Harbor & Disclaimer Lonestar Resources US, Inc. cautions that this presentation (including oral commentary that accompanies this presentation) contains forward-looking statements, including, but not limited to, statements about our business strategy and operations; disco

May 14, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 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 13, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation or

April 30, 2018 EX-99.1

LONESTAR RESOURCES ANNOUNCES MANAGEMENT CHANGES

EX-99.1 Exhibit 99.1 LONESTAR RESOURCES ANNOUNCES MANAGEMENT CHANGES Fort Worth, Texas, April 30, 2018 — Lonestar Resources US Inc. (NASDAQ: LONE) (“Lonestar”, “we,” “our,” or the “Company”) today announced that, effective April 30, 2018, Doug Banister has retired from his position as Chief Financial Officer. Mr. Banister leaves Lonestar on good terms and will provide consulting services to the Co

April 30, 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

Form 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): April 30, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation o

April 27, 2018 CORRESP

LONE / Lonestar Resources US Inc. CORRESP

CORRESP Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 April 27, 2018 Via EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F. Street, N.E. Washington, D.C. 20549 Attn: Loan Lauren P. Nguyen Legal Branch Chief Office of Natural Resources Division of Corporation Finance Re: Lonestar Resources US Inc. Registration Statement on Form S-3 File No

April 20, 2018 EX-12.1

Statement Regarding the Computation of Ratio of Earnings to Fixed Charges and Preferred Share Dividends

EX-12.1 Exhibit 12.1 Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividends Years ended December 31, (Unaudited) In thousands, except for ratio amounts 2016 2017 Earnings available for fixed charges: Income before income taxes $ (66.930 ) $ (68,404 ) Add: Fixed charges 29,822 26,171 Total earnings available for fixed charges $ (37,108 ) $ (42,233 ) Fixed charges: Interest

April 20, 2018 S-3

LONE / Lonestar Resources US Inc. FORM S-3

S-3 1 d573822ds3.htm FORM S-3 Table of Contents As filed with the Securities and Exchange Commission on April 20, 2018 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 1311 81-0874035 (State or other

April 10, 2018 EX-99.2

Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 19

EX-99.2 Lonestar Resources US, Inc. IPAA Oil & Gas Investment Symposium April 10, 2018 Exhibit 99.2 Disclaimer and Forward Looking Statements Forward Looking Statements The information in this presentation includes “forward-looking statements” that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of histo

April 10, 2018 EX-99.1

Lonestar Updates Results of Horned Frog Completions

EX-99.1 Exhibit 99.1 Lonestar Updates Results of Horned Frog Completions Fort Worth, Texas, April 10, 2018 (PRNewswire) - Lonestar Resources US Inc. (NASDAQ: LONE) (including its subsidiaries, “Lonestar,” “we,” “us,” “our” or the “Company”) today updated investors on its new completions at its Horned Frog property. In La Salle County, we previously reported the completion of the Horned Frog G #1H

April 10, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 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): April 10, 2018 Lonestar Resources US Inc. (Exact name of registrant as specified in its charter) Delaware 001-37670 81-0874035 (State or other jurisdiction of incorporation o

April 10, 2018 DEFA14A

LONE / Lonestar Resources US Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 10, 2018 DEF 14A

LONE / Lonestar Resources US Inc. DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 29, 2018 EX-99.2

Report of W.D. Von Gonten & Co. regarding the Company’s estimated proved reserves as of December 31, 2017, dated February 20,2018

Exhibit 99.2 February 20, 2018 Lonestar Resources US Inc. 111 Boland Street, Suite 300 Fort Worth, TX 76107 Re: Lonestar Resources US Inc. Estimate of Reserves and Revenues 2017 SEC Year-End Pricing “As of” December 31, 2017 Ladies and Gentlemen: At your request, W.D. Von Gonten & Co. (Von Gonten) has prepared estimates of future reserves and projected net revenues for certain property interests o

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