Press Release

Tulsa, OK – June 27, 2011 – Matrix Service Co. (Nasdaq: MTRX) today announced that its subsidiary, Matrix Service Industrial Contractors Inc., has been awarded a contract for a new heat recovery boiler at ConocoPhillips Bayway Refinery in Linden, New Jersey. Matrix Service’s scope includes structural steel, equipment, piping, ducting and mechanical erection. This ConocoPhillips project is expected to generate approximately 200 skilled labor jobs in the New Jersey area over the course of construction for Matrix Service and other contractors.

Work will commence immediately and is scheduled to be completed by January of 2012. The new boiler will replace a similar unit that has been in service since 1962, and will operate in parallel with a second, existing boiler downstream of ConocoPhillips’ FCC Unit. The new boiler will be equipped with enhanced, selective non-catalytic reduction (ESNCR) technology.

“We are pleased to have been selected for this significant project and look forward to successfully completing this work for ConocoPhillips,” said John R. Hewitt, president and CEO of Matrix Service Company.

About Matrix Service Company
Matrix Service Company provides engineering, construction and repair and maintenance services principally to the petroleum, petrochemical, power, bulk storage terminal, pipeline and industrial gas industries.
The Company is headquartered in Tulsa, Oklahoma, with regional operating facilities located in California, Illinois, Michigan, New Jersey, Oklahoma, Pennsylvania, Texas, and Washington in the U.S. and in Canada.
This release contains forward-looking statements that are made in reliance upon the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements are generally accompanied by words such as "anticipate," "continues," "expect," "forecast," "outlook," "believe," "estimate," "should" and "will" and words of similar effect that convey future meaning, concerning the Company's operations, economic performance and management's best judgment as to what may occur in the future. Future events involve risks and uncertainties that may cause actual results to differ materially from those we currently anticipate. The actual results for the current and future periods and other corporate developments will depend upon a number of economic, competitive and other influences, including those factors discussed in the "Risk Factors" and "Forward-Looking Statements" sections and elsewhere in the Company's reports and filings made from time to time with the Securities and Exchange Commission. Many of these risks and uncertainties are beyond the control of the Company, and any one of which, or a combination of which, could materially and adversely affect the results of the Company's operations and its financial condition. We undertake no obligation to update information contained in this release.

For more information, please contact:

Matrix Service Company
Kevin S. Cavanah
Vice President and CFO
T: 918-838-8822
E: kcavanah@matrixservice.com