First graph, second sentence of release dated November 26, 2012, should
read: Unit’s presentation will be broadcast live over the Internet on
Monday, December 3rd at 10:10 a.m. Eastern Time (9:10 a.m. Central Time)
(sted Unit’s presentation will be broadcast live over the Internet on
Monday, December 3rd at 2:40 p.m. Eastern Time (1:40 p.m. Central Time)).

The corrected release reads:

UNIT CORPORATION TO PARTICIPATE IN UPCOMING CONFERENCES

Unit Corporation (NYSE: UNT) announced today that it will present at the
Dahlman Rose & Co. Ultimate Oil Services and E&P Conference in New York
City, New York. Unit’s presentation will be broadcast live over the
Internet on Monday, December 3rd at 10:10 a.m. Eastern Time (9:10 a.m.
Central Time). Unit will present at the Bank of America Merrill Lynch
Leveraged Finance Conference in Boca Raton, Florida on Tuesday, December
4th. The presentation will be broadcast live over the
Internet at 7:30 a.m. Eastern Time (6:30 a.m. Central Time). Unit will
also present at the Capital One Southcoast Energy Conference in New
Orleans, Louisiana. The presentation will be broadcast live over the
Internet on Wednesday, December 5th at 1:40 p.m. Eastern Time (12:40
p.m. Central Time). Listeners may access all webcasts and presentations
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
Michael D. Earl, 918-493-7700
Vice President,
Investor Relations