Exhibit 99.1
JOINT FILING AGREEMENT
The undersigned each agree as follows: (i) that certain statement on
Schedule 13D relating to the Common Stock, par value $.01 per share, of Titan
Exploration, Inc., a Delaware corporation, is filed on behalf of each of them,
(ii) such Statement on Schedule 13D is adopted by each of them, (iii) all future
amendments to such Statement on Schedule 13D will, unless written notice to the
contrary is delivered as described below, be jointly filed on behalf of each of
them, and (iv) the provisions of Rule 13d-1(f)(1) under the Securities Exchange
Act of 1934, as amended, apply to each of them. This Agreement may be
terminated with respect to the obligation to file jointly future amendments to
such Statement on Schedule 13D as to any of the undersigned upon such person
giving written notice thereof to each of the other persons signatory hereto, at
the principal office thereof.
EXECUTED as of December 23, 1999.
UNOCAL CORPORATION
By: /s/ Xxxxxx X. Xxxxxxxxxxx
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Name: Xxxxxx X. Xxxxxxxxxxx
Title: Vice President, Corporate
Development, and Assistant
Chief Financial Officer
UNION OIL COMPANY OF CALIFORNIA
By: /s/ Xxxxxx X. Xxxxxxxxxxx
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Name: Xxxxxx X. Xxxxxxxxxxx
Title: Vice President, Corporate
Development, and Assistant
Chief Financial Officer
