Mirati Declaration of Compliance

At Mirati Therapeutics, Inc., we are committed to conducting our business with the highest standards of ethics and integrity. This commitment is a foundational element to our organizational success and adherence to these standards ultimately protects patient welfare, and generates and sustains value for Mirati, our employees and stakeholders. We have developed a Comprehensive Compliance Program that reflects this commitment.

Based on Mirati’s good faith understanding of California Health and Safety Code §§ 119400-119402 (California Act), we have adopted a Comprehensive Compliance Program that is in compliance with California requirements. This includes policies that are designed to comply with “Compliance Program Guidance for Pharmaceutical Manufacturers” issued by the Office of Inspector General (OIG) as well as the Pharmaceutical Research and Manufacturers of America’s “Code on Interactions with Health Care Professionals” (PhRMA Code).

Mirati has established an annual dollar amount limit as required by California, of $2,500, which applies to gifts, promotional materials, items and activities provided by our employees to covered recipients in California. To the best of our knowledge, Mirati Therapeutics, Inc. declares that as of January 31, 2023, we are in compliance with all material aspects of the California Act.

Copies of this declaration and the Compliance Program may be obtained by calling this toll-free number, 1-844-647-2841.

Dated: January 31, 2023