You may contact Castle Biosciences’ transfer agent, Broadridge Corporate Issuer Solutions, Inc.
Telephone:
877-830-4936 (toll-free)
720-378-5591
Email:
Shareholder@broadridge.com
Website:
www.shareholder.broadridge.com
Regular mail:
Broadridge Corporate Issuer Solutions, Inc.
P.O. Box 1342
Brentwood NY 11717
By overnight mail:
Broadridge Corporate Issuer Solutions, Inc.
ATTN: IWS
1155 Long Island Avenue
Edgewood NY 11717