X0508 4 2023-12-05 0 0001662774 Quince Therapeutics, Inc. QNCX 0001770790 Lamond David C/O QUINCE THERAPEUTICS, INC. 611 GATEWAY BLVD., SUITE 273 SOUTH SAN FRANCISCO CA 94080 1 0 0 0 0 Common Stock 2023-12-05 4 P 0 19123 1.01 A 2241418 I By Blue Devil Trust dated 12/03/2010 Common Stock 2023-12-06 4 P 0 19123 1.02 A 2260541 I By Blue Devil Trust dated 12/03/2010 Common Stock 2023-12-07 4 P 0 19123 1.01 A 2279664 I By Blue Devil Trust dated 12/03/2010 Common Stock 301829 D Common Stock 1734722 I By David A. Lamond Trust dated 2006 Mr. Lamond is the trustee of Blue Devil Trust dated 12/03/2010 (the "Trust") and holds sole voting and dispositive power with respect to the shares held of record by the Trust. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.99 to $1.02, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range. Mr. Lamond is the trustee of David A. Lamond Trust dated 2006 (the "2006 Trust") and holds sole voting and dispositive power with respect to the shares held of record by the 2006 Trust. /s/ Brendan Hannah, Attorney-in-Fact for David Lamond 2023-12-07