CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the registration statements (Nos. 333-239927, 333-254459, 333-263090, 333-270424, 333-277765, and 333-284348) on Form S-8 and (Nos. 333-263863 and 333-274314) on Form S-3 of our report dated March 6, 2025, with respect to the consolidated financial statements of ALX Oncology Holdings Inc.

/s/ KPMG LLP

San Francisco, California

March 6, 2025