Former Pioneer Natural Resources CEO Scott Sheffield told Hart Energy, “For now, I remain one of Exxon’s largest individual shareholders and as such will consider other options.”

Chevron can proceed with its $53 billion Hess acquisition after winning an ICC ruling and receiving FTC approval for board integration.

The Federal Trade Commission under Republican Chair Andrew Ferguson has shown a more balanced regulatory approach and this case “represents an opportunity for the FTC to resolve an outdated order that no longer serves its original purpose,

Chevron has scored a critical ruling in Paris that has given it the go-ahead for a $53 billion acquisition of Hess and access to one of the biggest oil finds of the decade.