09:54 AM EDT, 08/08/2025 (MT Newswires) -- Exxon Mobil ( XOM ) said Friday that it started production at the Yellowtail project in Guyana's offshore Stabroek block, four months ahead of schedule.

Yellowtail's One Guyana floating production storage and offloading vessel has an initial annual average production capacity of 250,000 barrels of oil per day and a storage capacity of 2 million barrels, the company said.

According to Exxon Mobil ( XOM ), Yellowtail is its fourth oil project in the Stabroek block, pushing its total installed capacity in the country to more than 900,000 barrels of oil per day.

The company said its ExxonMobil Guyana unit operates and owns a 45% stake in the Stabroek block.

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