2009-05-15 21:10:05 -

Unit Corporation (NYSE: UNT) announced today that it will participate at the UBS Global Oil and Gas Conference, which will be held May 18 th – 21 st in Austin, Texas. Unit’s presentation will be broadcast live over the Internet on Thursday, May 21, 2009 at 8:40 a.m.

Central Time (9:40 a.m. Eastern Time). Listeners may access the webcast and the conference

presentation via the Company’s website at www.unitcorp.com : .

Unit Corporation is a Tulsa-based, publicly held energy company engaged through its subsidiaries in oil and gas exploration, production, contract drilling and natural gas gathering and processing. Unit’s Common Stock is listed on the New York Stock Exchange under the symbol UNT. For more information about Unit Corporation, visit its website at www.unitcorp.com : .



Unit CorporationDavid T. Merrill, 918-493-7700Chief
Financial Officer & Treasurer