
Gran Tierra Energy Inc. is pleased to announce today that the Company has satisfied all outstanding conditions precedent to the effectiveness of the contract previously announced on March 17, 2026 with Ecopetrol S.A., by which the Company will earn a 49 percent working interest in the Tisquirama block located in the Middle Magdalena Valley Basin of Colombia (the “Block”), which contains the Tisquirama and San Roque fields (the “Fields”) (the “Tisquirama Contract”).