X0206 3 2021-10-28 0 0001832415 Better Therapeutics, Inc. BTTX 0001491874 Parker Geoffrey M. C/O BETTER THERAPEUTICS, INC. 548 MARKET STREET, #49404 SAN FRANCISCO CA 94104 1 0 0 0 Common Stock 33333 I By Parker Trust Pursuant to the Agreement and Plan of Merger, dated April 6, 2021, as amended (the "Merger Agreement"), by and among Mountain Crest Acquisition Corp. II ("Issuer"), MCAD Merger Sub Inc. ("Merger Sub") and Better Therapeutics, Inc. ("BTX"), on October 28, 2021, Merger Sub merged with and into BTX, with BTX surviving the merger as a wholly-owned subsidiary of Issuer (such merger and the other transactions contemplated by the Merger Agreement, the "Business Combination"). At the effective time of the Business Combination, each share of BTX common stock (including shares of BTX common stock resulting from the conversion of BTX preferred stock and BTX Simple Agreements for Future Equity) was converted into a right to receive the number of shares of Issuer common stock equal to the product of the number of shares of BTX common stock and 0.9475, with fractional shares rounded to the nearest whole share. Issuer subsequently changed its name to Better Therapeutics, Inc. These shares are owned directly by the Geoffrey M. Parker and Jill G. Parker Rev Trust dtd 1/27/00 (the "Parker Trust"), and indirectly by the Reporting Person and his spouse, Jill G. Parker, as trustees of the Parker Trust. Exhibit 24 - Power of Attorney /s/ Mark Heinen, Attorney-in-Fact for Geoffrey M. Parker 2021-11-01