Unit Corporation (NYSE: UNT) announced today that it will participate at
the UBS Global Oil and Gas Conference, which will be held May 25th
– 27th in Austin, Texas. Unit’s presentation will be
broadcast live over the Internet on Tuesday, May 25, 2010 at 11:55 a.m.
Central Time (12:55 p.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 http://www.unitcorp.com.

Unit Corporation
David T. Merrill, 918-493-7700
Financial Officer & Treasurer