On January 20, 2025, NG Energy International Corp. (TSXV: GASX) announced an agreement to sell a 40% operating working interest in Colombia's Sinu-9 Block to Etablissements Maurel & Prom S.A. for US$150 million (CA$215 million). The transaction closed on January 6, 2026, alongside additional minority partner transactions that restructured ownership of the block.

Following the closing, NG Energy now holds a 39% non-operating working interest, while Maurel & Prom holds a 61% operating working interest in Sinu-9. The payment structure includes US$40 million (CA$57.3 million) received prior to closing, US$25 million (CA$35.8 million) paid at closing, and two installments of US$42.5 million (CA$60.9 million) due on April 5 and July 5, 2026. Maurel & Prom retains an option to acquire an additional 5% working interest until January 5, 2027, for US$18.75 million (CA$26.9 million).

Sinu-9 spans 311,353 acres, with 1P reserves of 26.7 Bcf, 2P reserves of 114.36 Bcf, and 3P reserves of 245.3 Bcf of natural gas. The joint operation plans to drill six wells in 2026, beginning with Hechicero-1X in January. Infrastructure expansions with INFRAES S.A.S E.S.P are expected to increase pipeline capacity to 40 MMcf/d by Q2 2026.

BofA Securities and Peters & Co. advised NG Energy, with Wildeboer Dellelce LLP as legal counsel. Hannam & Partners advised Maurel & Prom, with legal counsel from Herbert Smith Freehills, Torys, and Martínez Quintero Mendoza González Laguado & De La Rosa.