Kronos Bio Inc. – Indentures Watch

from S-3 17 pages Kronos Bio, Inc. and , as Warrant Agent Form of Debt Securities Warrant Agreement Dated as of Kronos Bio, Inc. Form of Debt Securities Warrant Agreement

from S-3 19 pages Kronos Bio, Inc. and , as Warrant Agent Form of Preferred Stock Warrant Agreement Dated as of Kronos Bio, Inc. Form of Preferred Stock Warrant Agreement

from S-3 19 pages Kronos Bio, Inc. and , as Warrant Agent Form of Common Stock Warrant Agreement Dated as of Kronos Bio, Inc. Form of Common Stock Warrant Agreement

from S-3 55 pages Kronos Bio, Inc., Issuer and [Trustee], Trustee Indenture Dated as of [●], 20__ Debt Securities

from 10-K 4 pages Description of Common Stock

from 10-K 4 pages Description of Common Stock

from S-3ASR 19 pages Kronos Bio, Inc. and , as Warrant Agent Form of Debt Securities Warrant Agreement Dated as Of

from S-3ASR 20 pages Kronos Bio, Inc. and , as Warrant Agent Form of Preferred Stock Warrant Agreement Dated as Of

from S-3ASR 20 pages Kronos Bio, Inc. and , as Warrant Agent Form of Common Stock Warrant Agreement Dated as Of

from S-3ASR 55 pages Kronos Bio, Inc., Issuer and [Trustee], Trustee Indenture Dated as of [•], 202[•] Debt Securities

from 10-K 4 pages Description of Common Stock

from S-1/A 2 pages Kb Incorporated Under the Cusip 50107a 10 4 Laws of the State of Delaware See Reverse for Certain Definitions and Legends This Certifies That By: Registered: Countersigned and American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value Per Share, of Kronos Bio, Inc. Transferable on the Books of the Corporation 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. Authorized Signature Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. and Registrar Dated: Os Bio N , in O or C R Rp at . K O E C Chief Executive Officer Seal Chief Financial Officer June 2, # 2017 # D E E L a W a R

from S-1 251 pages Kronos Bio, Inc. Amended and Restated Investors’ Rights Agreement

from DRS/A 251 pages Kronos Bio, Inc. Amended and Restated Investors’ Rights Agreement

from DRS 76 pages Kronos Bio, Inc. Amended and Restated Investors’ Rights Agreement