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Kezar Life Sciences, Inc.

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Your Vote Counts!  KEZAR LIFE SCIENCES, INC.  2022 Annual Meeting  Vote by June 14, 2022  11:59 PM ET   KEZAR LIFE SCIENCES, INC.  4000 SHORELINE COURT, SUITE 300  SOUTH SAN FRANCISCO, CA 94080  D80304-P71843  You invested in KEZAR LIFE SCIENCES, INC. and it’s time to vote!  You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on June 15, 2022.  Get informed before you vote  View the Notice and Proxy Statement and Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to June 1, 2022. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit, (2) call 1-800-579-1639 or (3) send an email to If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.  For complete information and to vote, visit   Control #  Vote Virtually at the Meeting*  June 15, 2022  2:00 PM PDT  Smartphone users  Point your camera here and vote without entering a control number  Virtually at:  *Please check the meeting materials for any special requirements for meeting attendance.  V1.1



Vote at  THIS IS NOT A VOTABLE BALLOT  This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters.  Board Recommends  Voting Items  1. Election of Directors   Nominees:  1a. Elizabeth Garner, M.D.  For  1b. Michael Kauffman, M.D., Ph.D.  For  1c. Courtney Wallace  For  2. Ratification of the selection of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2022.  For  NOTE: Such other matters properly brought before the Annual Meeting.  Prefer to receive an email instead? While voting on, be sure to click “Sign up for E-delivery”.  D80305-P71843