Proxy Online

2022 Calithera Stockholders Meeting

Wednesday, June 1, 2022 at 10:00am Pacific Time


This year’s Annual Meeting will be a completely virtual meeting of stockholders and will be webcast live over the Internet. Any stockholder can attend the virtual meeting live online at The webcast will start at 10 a.m. Pacific Time. Stockholders as of April 4, 2022, the record date, may vote and submit questions while attending the meeting online. We encourage you to access the meeting prior to the start time. If you encounter any difficulties accessing the virtual meeting during the check-in or meeting time, a call center support number will be provided on the meeting login page at at 9:45 a.m. Pacific Time. In order to enter the Annual Meeting, you will need the control number. The control number will be included in the notice or on your proxy card if you are a stockholder of record of shares of common stock (as defined below). If your shares are held in “street name” through a broker, bank or other nominee, in order to participate in the virtual annual meeting, you must first obtain a legal proxy from your broker, bank or other nominee reflecting the number of shares of Calithera held as of the record date, your name and email address. You must then submit a request for registration to American Stock Transfer & Trust Company, LLC: (1) by email to; (2) by facsimile to 718-765-8730; or (3) by mail to American Stock Transfer & Trust Company, LLC, Attn: Proxy Tabulation Department, 6201 15th Avenue, Brooklyn, NY 11219. Requests for registration must be labeled as “Legal Proxy” and be received by American Stock Transfer & Trust Company, LLC no later than 5:00 p.m. Eastern time on May 23, 2022. Instructions on how to attend and participate online are available at You will not be able to attend the Annual Meeting in person.