X0508 4 2026-03-13 0 0001533924 Amplify Energy Corp. AMPY 0001235155 COGHILL CLINT D C/O AMPLIFY ENERGY CORP. 500 DALLAS STREET SUITE 1700 HOUSTON TX 77002 1 0 0 0 0 Common Stock, par value $0.01 per share 2026-03-13 4 S 0 256232 6.66 D 3248115 I By: Stoney Lonesome HF LP Common Stock, par value $0.01 per share 2026-03-16 4 S 0 501279 6.42 D 2746836 I By: Stoney Lonesome HF LP Common Stock, par value $0.01 per share 2026-03-17 4 S 0 242489 6.31 D 2504347 I By: Stoney Lonesome HF LP Common Stock, par value $0.01 per share 83000 I By: Drake Helix Holdings, LLC Common Stock, par value $0.01 per share 2410 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.52 to $6.79, inclusive. The reporting person undertakes to provide to Amplify Energy Corp. (the "Company"), any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.23 to $6.65, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.22 to $6.42, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4. Securities owned directly by Stoney Lonesome HF LP ("Stoney Lonesome"). Mr. Coghill, as the President and sole shareholder of CDC Financial, Inc. ("CDC Financial"), the managing member of the general partner of Stoney Lonesome, may be deemed to beneficially own the securities owned directly by Stoney Lonesome. Securities owned directly by The Drake Helix Holdings, LLC ("Drake Helix"). Mr. Coghill, as the President and sole shareholder of CDC Financial, the managing member of Drake Helix, may be deemed to beneficially own the securities owned directly by Drake Helix. Mr. Coghill disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that Mr. Coghill is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. /s/ Eric M. Willis, Attorney-in-Fact 2026-03-17