The Board of Directors of ALX Oncology (the “Company”) sets high standards for the Company's employees, officers and directors. Implicit in this philosophy is the importance of sound corporate governance. It is the duty of the Board of Directors to serve as a prudent fiduciary for shareholders and to oversee the management of the Company's business. To fulfill its responsibilities and to discharge its duty, the Board of Directors follows the procedures and standards that are set forth in these guidelines. These guidelines are subject to modification from time to time as the Board of Directors deems appropriate in the best interests of the Company or as required by applicable laws and regulations.

ALX Oncology is committed to good corporate citizenship. Our policy is to conduct our business affairs honestly and ethically. Our Code of Business Conduct provides a general statement of the expectations of ALX Oncology regarding the ethical standards to which each director, employee, including officers, and contractors should adhere while acting on our behalf.