EMCOR Group, Inc. — Director's Dealing 2006

May 4, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EMCOR GROUP INC (EME)
CIK: 0000105634
Period of Report: 2006-05-03

Reporting Person: CHESSER LEICLE E (Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-05-03	Common Stock	M	20000	$10.00	Acquired	78693	Direct
2006-05-03	Common Stock	M	20000	$8.095	Acquired	98693	Direct
2006-05-03	Common Stock	F	4022	$49.735	Disposed	94671	Direct
2006-05-03	Common Stock	S	9475	$49.65	Disposed	85196	Direct
2006-05-03	Common Stock	S	17646	$49.35	Disposed	67550	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-05-03	Employee Stock Options (right to buy)	$10.00	M	20000	Disposed	2008-01-01	Common Stock (20000)	Direct
2006-05-03	Employee Stock Options (right to buy)	$8.095	M	20000	Disposed	2009-01-03	Common Stock (20000)	Direct

Footnotes

F1: These shares were delivered to the Company as payment for the shares acquired upon exercise of the stock options.

F2: Includes shares issuable in respect of restricted stock units.

F3: Derivative security is an employee stock option (right to buy).

F4: Derivative security is an employee stock option (right to buy).