MATRIX SERVICE CO — Director's Dealing 2011

Jun 10, 2011

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MATRIX SERVICE CO (MTRX)
CIK: 0000866273
Period of Report: 2011-06-01

Reporting Person: ERDMANN KENNETH L (Vice President, Engineering)

Holdings (Non-Derivative)

Security	Shares	Ownership
COMMON STOCK	12985	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
INCENTIVE STOCK OPTION (Right To Buy)	$3.7	2012-10-22	COMMON STOCK (800)		Direct
INCENTIVE STOCK OPTION (Right To Buy)	$4.6	2014-10-26	COMMON STOCK (1200)		Direct
INCENTIVE STOCK OPTION (Right To Buy)	$8.93	2015-10-21	COMMON STOCK (1600)		Direct
INCENTIVE STOCK OPTION (Right To Buy)	$12.195	2013-10-21	COMMON STOCK (800)		Direct

Footnotes

F1: MATRIX SERVICE COMPANY COMMON STOCK.

F2: INCLUDES 1,125 SHARES OF MATRIX SERVICE COMPANY COMMON STOCK OWNED OUTRIGHT. THE REMAINING SHARES ARE RESTRICTED STOCK OWNED BUT NOT YET RELEASED DUE TO FUTURE VESTING REQUIREMENTS.

F3: THE STOCK OPTION BECOMES EXERCISABLE IN FIVE EQUAL ANNUAL INSTALLMENTS, COMMENCING ONE YEAR AFTER THE DATE OF THE GRANT.