On April 10, 2023, Dr. Suying Liu notified Better Therapeutics, Inc., formerly Mountain Crest Acquisition Corp. II (the “Company”) of his resignation as a member of the Company's board of directors, effective immediately. Dr. Liu was the Chairman and Chief Executive Officer of the special purpose acquisition company Mountain Crest Acquisition Corp.

II prior to its business combination with and renaming as Better Therapeutics, Inc. in October 2021. He remained on the combined company's board of directors following the business combination until his resignation. Dr. Liu's resignation did not result from any disagreement with the Company or any person affiliated with the Company on any matter relating to the Company's operations, policies or practices.