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EXHIBIT 12
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k) under the Securities Exchange Act
of 1934, as amended, each of the persons named below agrees to the joint filing
of a Statement on Schedule 13D (including amendments thereto) with respect to
the common stock, par value $0.01 per share, of Oacis Healthcare Corp., a
Delaware corporation, and further agrees that this Joint Filing Agreement be
included as an exhibit to such filings provided that, as contemplated by Section
13d-1(k)(1)(ii), no person shall be responsible for the completeness or accuracy
of the information concerning the other persons making the filing, unless such
person knows or has reason to believe that such information is inaccurate. This
Joint Filing Agreement may be executed in any number of counterparts, all of
which together shall constitute one and the same instrument.
Date: Xxxxx 0, 0000
XXXXX ACQUISITION CORPORATION
By: /s/ Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Secretary
SCIENCE APPLICATIONS INTERNATIONAL
CORPORATION
By: /s/ Xxxxx X. Xxxxxx
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Name: Xxxxx X. Xxxxxx
Title: Assistant Secretary &
Associate General Counsel
