Unit Corporation (NYSE: UNT) announced today that it will present at the
Independent Petroleum Association of America’s 2011 Oil and Gas
Investment Symposium, which will be held April 11th – 13th in New York
City. Unit’s presentation will be broadcast live over the Internet on
Wednesday, April 13th at 1:35 p.m. Eastern Time (12:35 p.m. Central
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 natural 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