EXHIBIT 16
AGREEMENT PURSUANT TO RULE 13d-1(k)(1)(iii)
CONCERNING JOINT SCHEDULE 13D FILING
The undersigned each agree, in connection with the sale by F.S. Warrant,
L.P. of an aggregate of 650,000 shares of Common Stock, par value of $.01 per
share, of Optek Technology, Inc., a Delaware corporation, on May 12 and May 13,
1999: (i) that an Amended Statement on Schedule 13D (the "Amended Statement")
shall be filed jointly by all of them pursuant to Section 13(d) of the
Securities Exchange Act of 1934 (the "Exchange Act") and (ii) that the Amended
Statement is filed on behalf of each of them. The undersigned acknowledge their
respective responsibilities with respect to the Amended Statement as set forth
in Rule 13d-1(k)(1)(iii) promulgated under the Exchange Act.
This Agreement may be executed in counterparts.
Date: May 21, 1999 F.S. Warrant, L.P.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
Date: May 21, 1999 First Source Equity Holdings, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
Date: May 21, 1999 Dominion Capital, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Senior Vice President
Date: May 21, 1999 Dominion Resources, Inc.
By: /s/ Xxxxx X. Xxxxxxxxxxx
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Name: Xxxxx X. Xxxxxxxxxxx
Title: Executive Vice President
