1. Quarter Two 2016 July 28, 2016

2. EMCOR Participants Tony Guzzi President & Chief Executive Officer
Mark Pompa EVP & Chief Financial Officer
Maxine Mauricio SVP & General Counsel
Mava Heffler VP, Marketing & Communications
Kevin Matz EVP, Shared Services

3. 2016 Qtr. 2 Executive Summary
Continue to see steady non-residential environment
Proforma diluted EPS from continuing operations of $0.95 vs. $0.74 in Quarter
Revenues increased 17.0% to $1.93 Billion
Organic revenue growth of 12.3%
Operating income as a percentage of revenues was 4.8%
U.S. Electrical construction and facilities services segment revenues increased by $74.4 million vs. Quarter and operating margin was 5.5%; despite difficult transportation construction project conditions
U.S. Mechanical construction and facilities services segment revenues increased by $75.9 million vs. Quarter and operating margin was 6.1%

4. 2016 Qtr. 2 Executive Summary
U.S. Building Services segment revenues increased by $ million vs. Quarter and operating margin was 4.0%
U.S. Industrial Services segment revenues increased by 48.1% to $333.5 million and operating margin increased to 9.9% vs. 7.7% in Quarter
Strong demand for field-based specialty services on large project work; extended spring turnaround season

5. 2016 Qtr. 2 Executive Summary
Diverse backlog of $3.81 billion, up 5.1% compared to Quarter
U.S. backlog up $202 million or 5.8%
Domestic Construction Segments UP
U.S. Building Services Segment UP
U.S. Industrial Services Segment DOWN
Private Sector UP (Commercial, Hospitality & Gaming, Industrial)
Public Sector DOWN (Transportation, Water/Wastewater, Institutional, Healthcare)
Balance sheet remains strong and liquid, including $443.0 million of cash

6. 2016 – Qtr. 2 Financial Results Highlights
Revenues increased 17.0% quarter-over-quarter to $1.93 billion

7. 2016 – Qtr. 2 Financial Results Highlights
SG&A expenses increased to $181.8 million or 9.4% of revenues vs. $161.4 million or 9.8% of revenues for Qtr
Operating income of $92.3 million or 4.8% of revenues includes:
U.S. Electrical Construction and Facilities Services: $(2.3) million or 9.0% decrease
U.S. Mechanical Construction and Facilities Services: $5.8 million or 18.0% increase
Total U.S. Construction
U.S. Building Services: $0.4 million or 2.0% increase
U.S. Industrial Services: $15.7 million or 90.3% increase
UK Building Services: $0.4 million or 15.0% increase
Total EMCOR Operating Margin
Qtr. 2 cash provided by operations $84.9 million vs. $11.8 million in Qtr

8. Key Financial Data – Income Statement
($ Thousands, except per share information)
(Unaudited)

9. Key Financial Data – Income Statement
($ Thousands, except per share information)
(Unaudited)

10. Key Financial Data – Balance Sheet
($ Thousands)

11. Backlog by Market Sector
($ Millions)
$3,771
$3,809
$4,000
$3,000
$2,000
$1,000 $0
$3,634
$3,302
$3,344
$3,224
$2,953
$2,816
2009
2010
2011
2012
2013
2014
2015
2016 –
Qtr. 2
Commercial
Hospitality
Industrial
Healthcare
Institutional
Transportation
Water & Wastewater

12. Backlog by Segment Mechanical Electrical Building Services
($ Millions)
$4,000
$3,000
$2,000
$1,000 $0
$3,771
$3,809
$3,634
$3,302
$3,344
$3,224
$2,953
$2,816
2009
2010
2011
2012
2013
2014
2015
2016 –
Qtr. 2
Mechanical
Electrical
Building Services
Industrial Services
EMCOR UK

13. 2016 Outlook
Non-residential construction market expected to grow mid- single digits
Backlog growth positive for Domestic Construction and U.S. Building Services segments
U.S. Building Services will benefit from continued growth in retrofit and energy savings projects
Industrial Services:
Expect good Fall turnaround season
Strength in specialty services on large projects
Headwind continues in “new build” heat exchanger fabrication
Strong and liquid balance sheet

14. 2016 Guidance
* Excluding transaction expenses related to the Ardent acquisition