UNIT CORPORATION TO PRESENT AT THE RAYMOND JAMES & ASSOCIATES 28th ANNUAL INSTITUTIONAL INVESTORS CONFERENCE

Tulsa, Oklahoma . . . Unit Corporation (NYSE – UNT) announced today that it will participate at the Raymond James & Associates 28 th Annual Institutional Investors conference, which will be held March 4 th – 7th in Orlando, Florida. Unit’s presentation will be broadcast live over the Internet on Wednesday, March 7 th at 11:35 a.m. Eastern Time (10:35 a.m. Central Time). Listeners may access the webcast via the Company’s website at http://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 our website at http://www.unitcorp.com.

This news release contains forward-looking statements within the meaning of the Securities
Litigation Reform Act that involve risks and uncertainties, including the amount and value of the
company’s oil and natural gas reserves, the number of future wells the company’s exploration and
production segment plans to drill, productive capabilities of the wells, future demand for oil and natural
gas, oil and natural gas reserve information, anticipated production rates from company wells, the
prospective capabilities of offset acreage, anticipated oil and natural gas prices, anticipated operational
dates for drilling rigs under construction, future rates to be paid for the company’s drilling rigs as well as
other development, operational, implementation and opportunity risks, and other factors described from
time to time in the company’s publicly available SEC reports, which could cause actual results to differ
materially from those expected.