Willbros Announces Sale of Interests in Oman

                 Willbros Announces Sale of Interests in Oman

PR Newswire

HOUSTON, Jan. 7, 2013

HOUSTON, Jan. 7, 2013 /PRNewswire/ -- Willbros Group, Inc. (NYSE: WG)
announced today that its subsidiary, Willbros International Finance &
Equipment Limited, has signed a definitive Share Purchase Agreement and has
completed the sale of all of the Company's interests in Oman to Interserve
Holdings Limited, a subsidiary of Interserve Plc, a U.K. company traded on the
London Stock Exchange, (the "Buyer"). The Buyer purchased Willbros Middle East
Limited, a subsidiary of Willbros that ownsits interest in The Oman
Construction Company. The all-cash transaction generated net proceeds to
Willbros ofover $36.0 million after transaction-related costs. The
transactionwas approved by the Boards of both Willbros Group and Interserve.

Randy Harl, President and Chief Executive Officer of Willbros, said, "This
sale of our Oman operations supports our strategic plan to increase our focus
on the robust North American markets for energy infrastructure and enables us
to further reduce our debt obligations. We are continuing to examine other
non-strategic asset sales and are making progress on the disposition of
certain underperforming units."

Willbros Group, Inc. is an independent contractor serving the oil, gas, power,
refining and petrochemical industries, providing engineering, construction,
turnaround, maintenance, life-cycle extension services and facilities
development and operations services to industry and government entities
worldwide. For more information on Willbros, please visit our web site at

This announcement contains forward-looking statements. All statements, other
than statements of historical facts, which address activities, events or
developments the Company expects or anticipates will or may occur in the
future, are forward-looking statements. A number of risks and uncertainties
could cause actual results to differ materially from these statements,
including the potential for additional investigations and lawsuits;
disruptions to the global credit markets; the untimely filing of financial
statements; the global economic downturn; fines and penalties by government
agencies; new legislation or regulations detrimental to the economic operation
of refining capacity in the United States; the identification of one or more
other issues that require restatement of one or more prior period financial
statements; contract and billing disputes; the integration and operation of
InfrastruX; the consequences the Company may encounter if it is unable to make
payments required of it pursuant to its settlement agreement of the West
African Gas Pipeline Company Limited lawsuit; the existence of material
weaknesses in internal control over financial reporting; availability of
quality management; availability and terms of capital; changes in, or the
failure to comply with, government regulations; ability to remain in
compliance with, or obtain waivers under, the Company's loan agreements and
indentures; the promulgation, application, and interpretation of environmental
laws and regulations; future E&P capital expenditures; oil, gas, gas liquids,
and power prices and demand; the amount and location of planned pipelines;
poor refinery crack spreads; delay of planned refinery outages and upgrades;
the effective tax rate of the different countries where the Company performs
work; development trends of the oil, gas, power, refining and petrochemical
industries; and changes in the political and economic environment of the
countries in which the Company has operations; as well as other risk factors
described from time to time in the Company's documents and reports filed with
the SEC. The Company assumes no obligation to update publicly such
forward-looking statements, whether as a result of new information, future
events or otherwise, except as may be required by law.

Michael W. Collier                Connie Dever
Vice President Investor Relations Director Investor Relations
Willbros                          Willbros
713-403-8038                      713-403-8035

SOURCE Willbros Group, Inc.

Website: http://www.willbros.com
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