Harbour Energy has been formally appointed operator of the Zama offshore oilfield by Mexico’s National Hydrocarbons Commission, marking the first time a foreign independent E&P company will head production activities in the country’s deepwater sector. The approval, granted in December 2025, transfers management responsibility from the Zama partners consortium to Harbour, which now holds a 40% working interest alongside Pemex and Wintershall Dea. Zama’s proven resources of roughly 1.4 billion barrels of oil equivalent position Harbour to add an estimated 80,000–100,000 barrels per day at plateau, potentially lifting its global production by more than 15% over the next five years. The shift aligns with Mexico’s policy shift to attract private investment and is expected to accelerate drilling of at least three new wells by 2027.

Harbour Energy’s ADRs jumped 1.8% in pre‐market trading on Wednesday, driven by the operator appointment at Zama and an anticipated boost to its medium‐term production profile. Trading volume was light, with just 360 shares exchanging hands before the opening bell. From a balance‐sheet perspective, the company reported a quick ratio of 0.93, a current ratio of 1.00 and a debt‐to‐equity ratio of 0.80, underscoring a disciplined capital structure relative to its peer group. Investors will be watching whether the share price can sustain momentum above its recent technical averages as the Zama development plan moves into execution.