Press Release

Matrix Service to Discuss Today Results for the Fourth Quarter and Full Year Ended June 30, 2010TULSA, OK – September 28, 2010 – Matrix Service Company (Nasdaq: MTRX) will announce results for the Fourth Quarter and Full Year ended June 30, 2010, today, September 28, 2010 after the close of the market. In conjunction with the earnings release, Matrix Service will host a conference call with Michael J. Bradley, president and CEO and Thomas E. Long, vice president and CFO. During the conference call, Mr. Bradley and Mr. Long will discuss the operating results for the quarter and full year.

The conference call will be held today, Tuesday, September 28, 2010 at 5:00 p.m. Eastern Time / 4:00 p.m. Central Time and will be simultaneously broadcast live over the Internet at www.matrixservice.com or www.vcall.com. Please allow extra time prior to the call to visit the site and download the streaming media software required to listen to the Internet broadcast.


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
Tom Long
Vice President and CFO
T: 918-838-8822
E: telong@matrixservice.com