The company was originally known as Beta Oil & Gas until shareholders approved a name change on July 15, 2004.

In November 2004, Petrohawk bought Wynn-Crosby for $425 million, marking its first large acquisition.

The Wynn-Crosby/ Petrohawk transaction was named the “2004 M&A Deal of the Year” by The Oil and Gas Investor.

[1] In July 2005, Petrohawk merged with Mission Resources, nearly doubling in size.

[2] On July 15, 2011, BHP Billiton acquired Petrohawk for an all-cash offer of $US38.75 per share.