SCHEDULE 13G/A 0000935836-25-000729 0001950123 XXXXXXXX LIVE 4 Common Stock 01/05/2026 0001273441 GRAN TIERRA ENERGY INC. 38500T200 500 CENTRE STREET SE CALGARY, ALBERTA A1 TG2 1A6 Rule 13d-1(c) Daniel Lau b Z4 240000.00 3996200.00 240000.00 3996200.00 4236200.00 N 12.0 IN Percentage calculated based on 35,295,753 shares of Common Stock outstanding on October 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended September 30, 2025. Christine Man b Z4 65550.00 3996200.00 65550.00 3996200.00 4061750.00 N 11.5 IN Percentage calculated based on 35,295,753 shares of Common Stock outstanding on October 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended September 30, 2025. LM Asset Management Inc. b Z4 0.00 3851200.00 0.00 3851200.00 3851200.00 N 10.9 IA CO Prior to January 1, 2026, this entity's name was LM Asset (IM) Inc. Effective January 1, 2026, it changed its name to LM Asset Management Inc. Percentage calculated based on 35,295,753 shares of Common Stock outstanding on October 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended September 30, 2025. LM Asset Fund Limited Partnership b Z4 0.00 2754200.00 0.00 2754200.00 2754200.00 N 7.8 PN Percentage calculated based on 35,295,753 shares of Common Stock outstanding on October 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended September 30, 2025. LM Asset General Partner Ltd. b Z4 40000.00 3494200.00 40000.00 3494200.00 3534200.00 N 10 CO Prior to January 1, 2026, this entity's name was LM Asset Management Inc. Effective January 1, 2026, it changed its name to LM Asset General Partner Ltd. Percentage calculated based on 35,295,753 shares of Common Stock outstanding on October 28, 2025, as reported in the Form 10-Q filed by the Issuer for the quarter ended September 30, 2025. GRAN TIERRA ENERGY INC. 500 CENTRE STREET SE CALGARY, ALBERTA, CANADA T2G 1A6 Daniel Lau Christine Man LM Asset Management Inc. LM Asset Fund Limited Partnership (the "Partnership") LM Asset General Partner Ltd. (the "General Partner") The reporting persons are filing this statement jointly, but not as members of a group. Each reporting person expressly disclaims membership in a group. Each reporting person also disclaims beneficial ownership of the Common Stock except to the extent of that reporting person's pecuniary interest therein. 915 - 1055 West Hastings Street, Vancouver, BC, Canada, V6E 2E9 For citizenship of Filers, see Item 4 of the cover sheet for each Filer. Y Daniel Lau: 4,236,200 Christine Man: 4,061,750 LM Asset Management Inc.: 3,851,200 Partnership: 2,754,200 General Partner: 3,534,200 Daniel Lau: 12.0% Christine Man: 11.5% LM Asset Management Inc.: 10.9% Partnership: 7.8% General Partner: 10.0% Daniel Lau: 240,000 Christine Man: 65,550 LM Asset Management Inc.: 0 Partnership: 0 General Partner: 40,000 Daniel Lau: 3,996,200 Christine Man: 3,996,200 LM Asset Management Inc.: 3,851,200 Partnership: 2,754,200 General Partner: 3,494,200 Daniel Lau: 240,000 Christine Man: 65,550 LM Asset Management Inc.: 0 Partnership: 0 General Partner: 40,000 Daniel Lau: 3,996,200 Christine Man: 3,996,200 LM Asset Management Inc.: 3,851,200 Partnership: 2,754,200 General Partner: 3,494,200 Y N Mr. Lau and Ms. Man are the control persons of LM Asset Management Inc. and other investment advisers to private investment funds, including the Partnership, and other accounts. The General Partner is the general partner of the Partnership. Those investment advisers, funds and accounts have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, Common Stock. However, no individual fund or account other than the Partnership beneficially owns more than five percent of the outstanding Common Stock. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99.1 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G Daniel Lau /s/ Daniel Lau 01/07/2026 Christine Man /s/ Christine Man 01/07/2026 LM Asset Management Inc. /s/ Daniel Lau 01/07/2026 LM Asset Fund Limited Partnership /s/ Daniel Lau 01/07/2026 LM Asset General Partner Ltd. /s/ Daniel Lau 01/07/2026