Exhibit 3
Joint Filing Agreement
In accordance with Rule 13d-1(k)(1) promulgated under the Securities
Exchange Act of 1934, as amended, the undersigned hereby agree to the joint
filing with the other parties hereto on behalf of each of them a statement on
Schedule 13D (including amendments thereto) with respect to the common stock,
par value $.01 per share, of IKOS Systems, Inc., a Delaware corporation, and
that this agreement may be executed in any number of counterparts, all of which
taken together shall constitute one and the same instrument.
In witness whereof, the undersigned hereby execute this agreement as
of the 6th day of December, 2001.
Mentor Graphics Corporation
By: /s/ Xxxxxxx X. Xxxxxxxx
-----------------------------------------
Name: Xxxxxxx X. Xxxxxxxx
Title: President
Fresno Corporation
By: /s/ Xxxxxxx X. Xxxxxxxx
-----------------------------------------
Name: Xxxxxxx X. Xxxxxxxx
Title: Chief Financial Officer
