CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 10, 2021, relating to the financial statements of XOMA Corporation, appearing in the Annual Report on Form 10-K of XOMA Corporation for the year ended December 31, 2020. We also consent to the reference to us under the heading Experts in such Registration Statement.
/s/ Deloitte & Touche LLP
San Francisco, CA
March 10, 2021