The Board of Directors of Matrix Service Company announced temporarily increased the size of the Board from seven to eight members and appointed John D. Chandler to serve as a member of the Board of Directors, to fill the resulting vacancy, for a term commencing on June 20, 2017 and expiring at the Annual Meeting of Stockholders of the company in 2017 and until his successor is duly elected and qualifies, unless he sooner dies, retires or resigns. The Board of Directors also appointed Mr. Chandler to serve on each of the Audit, Compensation, and Nominating and Corporate Governance Committees of the Board of Directors coincident with the commencement of his service as a director.