CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements (Forms S-3 No. 333-210731 and No. 333-231257) of ChemoCentryx, Inc. and the Registration Statement (Form S-8 No. 333-179507) pertaining to the ChemoCentryx, Inc. 2012 Equity Incentive Award Plan, the ChemoCentryx, Inc. Amended and Restated 2002 Equity Incentive Plan, the ChemoCentryx, Inc. Amended and Restated 1997 Stock Option/Stock Issuance Plan, and the ChemoCentryx, Inc. 2012 Employee Stock Purchase Plan of our reports dated March 10, 2020, with respect to the consolidated financial statements of ChemoCentryx, Inc. and the effectiveness of internal control over financial reporting of ChemoCentryx, Inc. included in this Annual Report (Form 10-K) of ChemoCentryx, Inc. for the year ended December 31, 2019.
/s/ ERNST & YOUNG LLP
Redwood City, California
March 10, 2020