EXHIBIT 15
AGREEMENT PURSUANT TO RULE 13d-1(k)(1)(iii)
CONCERNING JOINT SCHEDULE 13D FILING
The undersigned each agree, in connection with the transfer, effective
September 29, 1998, by First Source Financial, L.L.P. to F.S. Warrant, L.P.of
650,000 shares of Common Stock, with a par value of $0.01 per share, of Optek
Technology, Inc., a Delaware corporation: (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"), together with any amendments to the Amended Statement that from time to
time may be required; and (ii) that the Amended Statement and any such
amendments are filed on behalf of each of them. The undersigned acknowledge
their respective responsibilities with respect to the Amended Statement and any
such amendments as set forth in Rule 13d-1(k)(1)(iii) promulgated under the
Exchange Act.
This Agreement may be executed in counterparts.
Date: October 21, 1998 F.S. Warrant, L.P.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
Date: October 21, 1998 First Source Equity Holdings, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
Date: October 21, 1998 Dominion Capital, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Senior Vice President
Date: October 21, 1998 Dominion Resources, Inc.
By: /s/ Xxxxx X. Xxxxxxxxxxx
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Name: Xxxxx X. Xxxxxxxxxxx
Title: Executive Vice President
Date: October 21, 1998 First Source Financial L.L.P.
By: /s/ Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Senior Vice President
Date: October 21, 1998 Virginia Financial Ventures, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
Date: October 21, 1998 N.H. Capital, Inc.
By: /s/ Xxxxxx X. XxXxxxxxx
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Name: Xxxxxx X. XxXxxxxxx
Title: Vice President
