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Take Me to the Top – ExxonMobil Soars to #1 in the Permian in Largest Ever U.S. Upstream Deal

By May 16, 2025No Comments

Sometimes, courtship is better the second time around. After some previous rumors and flirting with a deal in the spring of 2023, ExxonMobil, the largest international integrated oil company, reached an agreement to acquire Pioneer Natural Resources, the largest pure-play Permian producer, for $64.5 billion, the largest-ever U.S. upstream transaction. In today’s blog, we analyze the deal that would make ExxonMobil the top Permian producer, including shifts in the focus and depth of its upstream portfolio, the integration with its existing midstream and downstream infrastructure, and its energy transition goals.

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