Exhibit 13.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with this annual report on Form 20-F of Apollomics Inc. (the “Company”) for the twelve months ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Guo-Liang Yu, Chief Executive Officer of the Company, hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Guo-Liang Yu

Guo-Liang Yu

Chief Executive Officer

Date: March 28, 2024