MATRIX SERVICE CO - Director's Dealing 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MATRIX SERVICE CO (MTRX)
CIK: 0000866273
Period of Report: 2011-03-09

Reporting Person: AUSTIN NANCY E (VP Human Resources)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-09	COMMON STOCK	M	1200	$3.7	Acquired	28596	Direct
2011-03-09	COMMON STOCK	S	1200	$14.5	Disposed	27396	Direct
2011-03-09	COMMON STOCK	M	2500	$4.6	Acquired	29896	Direct
2011-03-09	COMMON STOCK	S	2500	$14.5	Disposed	27396	Direct
2011-03-09	COMMON STOCK	M	5000	$5.49	Acquired	32396	Direct
2011-03-09	COMMON STOCK	S	5000	$14.5	Disposed	27396	Direct
2011-03-09	COMMON STOCK	M	5000	$8.93	Acquired	32396	Direct
2011-03-09	COMMON STOCK	S	5000	$14.5	Disposed	27396	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-09	INCENTIVE STOCK OPTION (RIGHT TO BUY)	$3.7	M	1200	Disposed	2012-10-22	COMMON STOCK (1200)	Direct
2011-03-09	INCENTIVE STOCK OPTION (RIGHT TO BUY)	$4.6	M	2500	Disposed	2014-10-26	COMMON STOCK (2500)	Direct
2011-03-09	INCENTIVE STOCK OPTION (RIGHT TO BUY)	$5.49	M	5000	Disposed	2015-08-17	COMMON STOCK (5000)	Direct
2011-03-09	INCENTIVE STOCK OPTION (RIGHT TO BUY)	$8.93	M	5000	Disposed	2015-10-21	COMMON STOCK (5000)	Direct

F1: MATRIX SERVICE COMPANY COMMON STOCK.

F2: INCLUDES 4,676 SHARES OF MATRIX SERVICE COMPANY COMMON STOCK OWNED OUTRIGHT.

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

F4: NOT APPLICABLE.