EXHIBIT 10.4

ANSYS, INC.
Option Transfer Acknowledgment
Reference is hereby made to the non-qualified stock option to purchase ______
shares of the Common Stock, par value $0.01 per share (the “Stock”) of ANSYS,
Inc. (the “Company”) (the “Award”) granted to _______________________ (the
“Optionee”) on ______________ (the “Option”). In connection with the proposed
transfer of the Option to the undersigned transferee (the “Transferee”), the
Transferee makes the following representations to the Company:

1.Identity of Transferee. The Transferee acknowledges and agrees that the
Transferee is a “family member” with respect to the Optionee within the meaning
of the Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan
(the “Plan”) and the Form S-8 Registration Statement under the Securities Act of
1933. Form S-8 defines “family member” to include any child, stepchild,
grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling,
niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law,
brother-in-law, or sister-in-law, including adoptive relationships, any person
sharing the Optionee's household (other than a tenant or employee), a trust in
which these persons have more than fifty percent of the beneficial interest, a
foundation in which these persons (or the Optionee) control the management of
assets, and any other entity in which these persons (or the Optionee) own more
than fifty percent of the voting interests.
2.Transferee Bound by Terms of Option Agreement and Plan. The Transferee
acknowledges that the Option is subject to the terms and conditions of a
Non-Qualified Stock Option Agreement between the Company and the Optionee dated
as of _______________ (the “Option Agreement”) and the Plan. The Transferee (or
if the Transferee is not an individual, the Transferee's duly authorized
representative) acknowledges receipt of a copy of the Option Agreement and the
Plan and agrees to comply with and be bound by their terms and any related rules
or protocol, as applicable, and agrees not to further transfer the Option
without the prior written approval of a duly authorized officer of the Company
(other than the Optionee).
3.Transfer for No Consideration. The Transferee acknowledges that the Option is
being transferred to the Transferee for no consideration or value.
4.Insider Trading Policy. The Transferee (or if the Transferee is not an
individual, the Transferee's duly authorized representative) acknowledges
receipt of a copy of the Company's Insider Trading Policy & Procedures and
agrees to comply with and be bound by the terms and conditions thereof on the
same basis as the Optionee.
Executed on the _______ day of __________, 20____.

TRANSFEREE:
By:     ____________________________
Title:     ____________________________
Date:    ____________________________