POWER OF ATTORNEY

          KNOW ALL MEN AND WOMEN BY THESE PRESENTS, that the undersigned
hereby makes, constitutes and appoints Justin W. Smart and Heidi R. Roth, and each of them to sign for
and on behalf of the undersigned, all Forms 3, 4, and 5, and any amendments thereto, which he or she is
required to file pursuant to Section 16(a) of the Securities Exchange Act of 1934 as an officer of Kilroy
Realty Corporation and Kilroy Realty, L.P. (collectively, the "Companies"), and cause any such form to
be filed with the United States Securities and Exchange Commission. 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 are the Companies assuming, any of the undersigned's responsibilities
to comply with Section 16 of the Securities and Exchange Act of 1934.

       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 Companies, 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 signed as of
this 15th day of March, 2023.




By: /s/
Name: John B. Kilroy, Jr.


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