Unit Corporation (NYSE: UNT) (“Unit”) announced today it has priced a
private offering to eligible purchasers of $400 million aggregate
principal amount of senior subordinated notes (the “Notes”) due 2021,
which will bear interest at a rate of 6.625 percent per year (the
“Offering”). The Notes are being sold at 98.75 percent of par plus
accrued interest from May 15, 2012. The size of the Offering was
increased to $400 million from the previously announced $350 million.

Unit expects to close the Offering on July 24, 2012, subject to the
satisfaction of customary closing conditions. Unit intends to use the
net proceeds from the Offering to partially finance Unit Petroleum
Company’s previously announced pending acquisition (the “Acquisition”)
of certain oil and natural gas assets from Noble Energy, Inc. The
consummation of the Acquisition is subject to certain customary closing
conditions and, as a result, there can be no assurance that the
Acquisition will be consummated. Following the completion of the
Acquisition and the required exchange offer of the Notes for registered
notes, we anticipate that the registered notes will be treated as a
single series of debt securities with Unit’s existing $250 million
aggregate principal amount of 6⅝% senior subordinated notes due 2021.

The Notes have not been registered under the Securities Act of 1933, as
amended (the “Securities Act”) or applicable state securities laws and
may not be offered or sold in the United States absent registration or
an applicable exemption from the registration requirements of the
Securities Act and applicable state laws. The Company plans to offer and
issue the Notes only to qualified institutional buyers pursuant to Rule
144A under the Securities Act and to non-U.S. persons outside the United
States pursuant to Regulation S.

This press release is being issued pursuant to Rule 135c under the
Securities Act and is neither an offer to sell nor a solicitation of an
offer to buy the Notes or any other securities and shall not constitute
an offer to sell or a solicitation of an offer to buy, or a sale of, the
Notes or any other securities in any jurisdiction in which such offer,
solicitation or sale is unlawful.

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