LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

Know all by these present, that the undersigned hereby
makes, constitutes and appoints each of Mark E. Mouritsen
and Susan E. Cutright, signing singly and each acting
individually, as the undersigned's true and lawful
attorney-in-fact with full power and authority as
hereinafter described to:

(1)     execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer and/or
director of Aspen Technology, Inc. (the "Company"),
Forms 3, 4 and 5 (including any amendments thereto)
in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder
(the "Exchange Act");

(2)     do and perform any and all acts for and on
behalf of the undersigned which may be necessary or
desirable to prepare, complete and execute any such
Form 3, 4 or 5; prepare, complete and execute any
amendment or amendments thereto; and timely deliver
and file such form with the United States Securities
and Exchange Commission and any stock exchange or
similar authority;

(3)     seek or obtain, as the undersigned's representative
and on the undersigned's behalf, information regarding
transactions in the Company's securities from any third
party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any
such person to release any such information to such
attorney-in-fact and approves and ratifies any such
release of information; and

(4)     take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it
being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant
to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every
act and thing whatsoever requisite, necessary, or proper
to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as
the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney-in-fact,
or such attorney-in-fact's substitute or substitutes,
shall lawfully do or cause to be done by virtue of this
Power of Attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming nor relieving, nor is
the Company assuming or relieving, any of the undersigned's
responsibilities to comply with Section 16 of the Exchange Act.

The undersigned acknowledges that neither the Company nor
the foregoing attorneys-in-fact assume (i) any liability
for the undersigned's responsibility to comply with the
requirements of the Exchange Act, (ii) any liability of
the undersigned for any failure to comply with such
requirements, or (iii) any obligation or liability of
the undersigned for profit disgorgement under Section
16(b) of the Exchange Act.

This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to
file Forms 3, 4 and 5 with respect to the undersigned's
holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of March 7, 2023.


/s/Christopher Stagno