POWER OF ATTORNEY

Know all by these presents that the undersigned hereby constitutes and appoints
each of Maricel Montano of XOMA Royalty Corporation (the "Company") and Aaron
Briggs, Andrea Shen and Antony Nguyen of Gibson, Dunn & Crutcher LLP, signing
singly and with full power of substitution and re-substitution, as the
undersigned's true and lawful attorney-in-fact to:

1.     obtain credentials (including codes or passwords) enabling the
undersigned to make electronic filings with the U.S. Securities and Exchange
Commission (the "SEC"), including as necessary to prepare, execute in the
undersigned's name and on the undersigned's behalf and submit to the SEC a Form
ID, including amendments thereto, and any other documents necessary or
appropriate to obtain codes or passwords enabling the undersigned to make
electronic filings with the SEC via the Electronic Data Gathering and Retrieval
("EDGAR") system of reports required by the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), or any rule or regulation of the SEC;

2.     act as an account administrator for the undersigned's EDGAR account,
including: (i) appointing, removing and replacing account administrators,
technical administrators, account users and delegated entities; (ii) maintaining
the security of the undersigned's EDGAR account, including modification of
access codes; (iii) maintaining, modifying and certifying the accuracy of
information on the undersigned's EDGAR account dashboard; and (iv) taking any
other actions contemplated by Rule 10 of Regulation S-T;

3.     execute for and on behalf of the undersigned, in the undersigned's
capacity as a director and/or officer of the Company, Forms 3, 4 and 5 in
accordance with Section 16(a) of the Exchange Act and the rules thereunder;

4.     do and perform any and all acts for and on behalf of the undersigned that
may be necessary or desirable to complete and execute any such Form ID, 3, 4 or
5, complete and execute any such amendment or amendments thereto and file such
form with the SEC and any securities exchange or similar authority; and

5.     take any other action of any type whatsoever in connection with the
foregoing that, 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 sole 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 each 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 also ratifies hereby any action previously taken by
each attorney-in-fact that would have been authorized by this Power of Attorney
if it had been in effect at the time such action was taken. The undersigned
acknowledges that each attorney-in-fact, in serving in such capacity at the
request of the undersigned, is not assuming, nor is the Company assuming, any of
the undersigned's responsibilities to comply with the requirements of the
Exchange Act, including Section 16 of the Exchange Act;

This Power of Attorney shall remain in full force and effect until the earliest
to occur of (a) 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, (b) revocation by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact or (c) as to any attorney-in-fact
individually, until such attorney-in-fact is no longer employed by the Company
or Gibson, Dunn & Crutcher LLP.


IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of January 8, 2026.


Signature: /s/ Jeffrey Trigilio