FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
[ ] Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue.
1. Name and Address of Reporting Person(s)
Zink, John S.
Zink Ranch
P. O. Box 52508
Tulsa, OK 74152
2. Issuer Name and Ticker or Trading Symbol
Matrix Service Company (MTRX)
3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary)
4. Statement for Month/Year
02/03
5. If Amendment, Date of Original (Month/Year)
02/14/03
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
[X] Director [ ] 10% Owner
[ ] Officer (give title below) [ ] Other (specify below)
7. Individual or Joint/Group Filing (Check Applicable Line)
[X] Form filed by One Reporting Person
[ ] Form filed by More than One Reporting Person
Table I Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
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1)Title of Security 2)Trans- 3.Trans- 4.Securities Acquired(A) 5)Amount of 6) 7)Nature of
action action or Disposed of (D) Securities Indirect
Date Code A Beneficially D Beneficial
(Month/ or Owned at or Ownership
Day/Year) Code V Amount D Price End of Month I
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Common Stock (1) 02/13/03 S 4,500 D $9.378 D Direct
Common Stock (1) 02/14/03 S 14,500 D $9.220 D Direct
Common Stock (1) 02/18/03 S 1,400 D $9.011 D Direct
Common Stock (1) 02/20/03 S 7,300 D $8.900 2,300 D Direct
Table II (PART 1) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1 through 6)
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1)Title of Derivative 2)Conversion 3)Trans- 4)Trans- 5)Number of Derivative 6)Date Exercisable and
Security or Exercise action action Securities Acquired (A) Expiration Date
Price of Date Code or Disposed of (D)
Derivative
Security Code V A D Exercisable Expiration
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Non-Qualified Stock Option $4.250 10/25/05
(right to buy)
Non-Qualified Stock Option $4.250 10/18/10
(right to buy)
Non-Qualified Stock Option $4.375 10/28/08
(right to buy)
Non-Qualified Stock Option $5.625 06/01/03
(right to buy)
Non-Qualified Stock Option $6.000 10/29/06
(right to buy)
Non-Qualified Stock Option $6.050 10/23/11
(right to buy)
Non-Qualified Stock Option $7.400 10/22/12
(right to buy)
Non-Qualified Stock Option $7.750 10/31/07
(right to buy)
Non-Qualified Stock Option $4.125 10/27/99
(right to buy)
Table II (PART 2) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1,3 and 7 through 11)
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1)Title of Derivative 3)Trans- 7)Title and Amount 8)Price 9)Number of 10) 11)Nature of
Security action of Underlying of Deri- Derivative Indirect
Date Securities vative Securities D Beneficial
Amount or Security Beneficially or Ownership
Number of Owned at I
- Title Shares End of Month
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Non-Qualified Stock Option Common Stock 10,000 10,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 10,000 10,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 5,000 5,000 D Direct
(right to buy)
Explanation of Responses:
(1)
Matrix Service Company Common Stock
SIGNATURE OF REPORTING PERSON
/S/ Zink, John S.
DATE 02/21/03