ChemoCentryx, Inc. – Indentures Watch

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from S-3ASR 51 pages Chemocentryx, Inc. Indenture Dated as of , 20 [ ] Trustee

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from S-3 51 pages Chemocentryx, Inc. Indenture Dated as of , 20 [ ] Trustee

from S-3 51 pages Chemocentryx, Inc. Indenture Dated as of , 201 [ ] Trustee

from S-3 6 pages Chemocentryx, Inc. Amendment No. 1 to Amended and Restated Investors Rights Agreement

from S-3 50 pages Chemocentryx, Inc. Indenture Dated as of , 201 [ ] Trustee

from SC 13D 14 pages Agreement

from S-1/A 2 pages Common Stock Common Stock CCX ChemoCentryx Chemocentryx, Inc. Incorporated Under the Laws of the State of Delaware Cusip 16383l 10 6 See Reverse for Certain Definitions and Restrictions This Certifies That Is the Record Holder of Fully Paid and Non-Assessable Shares of the Common Stock, $0.001 Par Value Per Share, of Chemocentryx, Inc. Transferable on the Books of Chemocentryx, Inc. (The “Corporation”) by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Signatures of the Corporation’s Duly Authorized Officers. Dated: Secretary President and Chief Executive Officer Countersigned and Registered: American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent and Registrar by Authorized Signature

from S-1 17 pages Chemocentryx, Inc. Warrant for the Purchase of Shares of Series B Preferred Stock

from S-1 13 pages Chemocentryx, Inc. Warrant for the Purchase of Shares of Common Stock

from S-1 36 pages Chemocentryx, Inc. Amended and Restated Investors Rights Agreement September 8, 2011

from S-1 33 pages Chemocentryx, Inc. Amended and Restated Investors Rights Agreement August 22, 2006