Performance Mechanical, INC. Receives National Safety Award

---EMCOR Subsidiary Recognized by TAUC for Exemplary Safety Practices ---

PITTSBURG, CA – June 1, 2017 – Performance Mechanical, Inc. (PMI) was recently recognized for exemplary safety practices and performance with a 2017 Thomas J. Reynolds Award for Excellence in Construction Safety and Health from The Association of Union Contractors (TAUC), an organization that represents 2,000+ contractor companies nationally. The award was given for superior safety practices in Category One, which represents over 1 million hours worked without a DART (Days Away Restricted Transferred) case.

PMI is a full-service industrial mechanical contractor providing process piping and equipment installation, civil, structural, instrumentation, and boiler installation and repair to electrical generating plants, food and beverage producers, pipeline compressor and metering stations, manufacturing facilities and water treatment plants throughout Northern and Southern California. PMI is a subsidiary of EMCOR Group, Inc. (NYSE: EME), a Fortune 500® leader in mechanical and electrical construction, industrial and energy infrastructure, and building services for a diverse range of businesses.

“At Performance Mechanical, Inc. and within the entire EMCOR organization we are passionate about the safety of our workers and their safe return home from work every day; we’ve made a commitment to the goal of achieving zero accidents and won’t be satisfied until we’ve met that goal,” stated Andy Hosler, President and CEO of Performance Mechanical. “To be eligible for the TAUC Award, it was required that PMI’s DART rate be below 1.5, which is 25% below the Bureau of Labor Statistics national average. Based on our TAUC Safety Award Application and OSHA logs, PMI's DART rate was 0.00.”

PMI’s commitment to safety is part of a multi-tiered, integrated approach that includes a “Zero Accident Program” as well as a host of supporting initiatives such as the "Be There For Life" program. This EMCOR effort is designed to educate employees and their families

about the importance of safety through use of workplace posters, in company newsletters, mailings, and a number of other creative tactics intended to reach employees and their families. EMCOR also conducts regional "Target Zero" safety conferences, bringing together industry experts from its operating companies and partners to share information and successful strategies.

About Performance Mechanical, Inc.

Founded in 1985, PMI is a full-service industrial mechanical contractor providing process piping and equipment installation, civil, structural, instrumentation, and boiler installation and repair to electrical generating plants, food and beverage producers, pipeline compressor and metering stations, manufacturing facilities and water treatment plants throughout Norther and Southern California. PMI’s expertise also includes mechanical maintenance service for industrial turnarounds and maintenance for refineries, terminals, and chemical plants. Headquartered in Pittsburg, California, PMI is a subsidiary of EMCOR Group, Inc. (NYSE: EME), a Fortune 500 company with estimated 2017 revenues of ~$7.6B. EMCOR is a leader in mechanical and electrical construction, industrial and energy infrastructure, and building services. A provider of critical infrastructure systems, EMCOR gives life to new structures and sustains life in existing ones by its planning, installing, operating, maintaining, and protecting the sophisticated and dynamic systems that create facility environments---such as electrical, mechanical, lighting, air conditioning, heating, security, fire protection, and power generation systems---in virtually every sector of the economy and for a diverse range of businesses, organizations and government. EMCOR represents a rare combination of broad reach with local execution, combining the strength of an industry leader with the knowledge and care of 170 locations. The ~33,000 skilled employees of EMCOR have made the Company, in the eyes of leading business publications, amongst the “World’s Most Admired” and “Best Managed”. EMCOR’s diversity---in terms of the services it provides, the industries it serves and the geography it spans---has enabled it to create a stable platform for sustained results. The Company’s strong financial position has enabled it to attract and retain among the best local and regional talent, to undertake and complete the most ambitious projects, and to redefine and shape the future of the construction and facilities services industry. Additional information on EMCOR can be found at www.EMCORGroup.com.

This release may contain certain forward-looking statements within the meaning of the Private Securities Reform Act of 1995. Any such comments are based upon information available to EMCOR management and its perception thereof, as of this date, and EMCOR assumes no obligation to update any such forward-looking statements. These forward-looking statements may include statements regarding market opportunities, market share growth, gross profit, backlog mix, projects with varying profit margins, and selling, general and administrative expenses. These forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Accordingly these statements are no guarantee of future performance. Such risk and uncertainties include, but are not limited to, adverse effects of general economic conditions, changes in the political environment, changes in the specific markets for EMCOR’s services, adverse business conditions, availability of adequate levels of surety bonding, increased competition, unfavorable labor productivity and mix of business. Certain of the risks and factors associated with EMCOR’s business are also discussed in the Company’s 2013 Form 10-K and in other reports filed from time to time with the Securities and Exchange Commission. All these risks and factors should be taken into account in evaluating any forward-looking statements.