Specimen Common Stock Certificate

FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF $.001 PAR VALUE EACH OF ______________ ACCELERATE DIAGNOSTICS, INC. ==============--­ transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate duly endorsed or assigned. This certificate and the shares represented hereby are subject to the laws of the State of Delaware, and to the Certificate of Incorporation and Bylaws of the Corporation, as now or hereafter amended. This certificate is not valid until countersigned by the Transfer Agent. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. COUNTERSIGNED: BROADRIDGE CORPORATE ISSUER SOLUTIONS, INC. 1717 ARCH ST., STE. 1300, PHILADELPHIA, PA 19103 TRANSFER AGENT BY; AUTHORIZED SIGNATURE

 

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT MIN ACT - .................... Custodian................... . TEN ENT - as tenants by the entireties (Gust) (Minor) JT TEN - as joint tenants with right of under Uniform Gifts to Minors survivorship and not as tenants Act in common (State) Additional abbreviations may also be used though not in the above list. For Value Received, ____________ hereby sell, assign and transfer unto PLEASE INSERT -SOCIAL SECURllY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE {PLEASE PRINT OR TYPE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE) ______________________________________ Shares of the stock represented by the within Certificate, and do hereby irrevocably constitute and appoint _______________________________________ Attorney to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises. Dated ____________ NOTICE: THE SIGNATURE TO THIS ASSIGNMENTMUST CORRESPOND \l\nTH THE NAME AS WRITTEN UPON THE FACE OF THECERTIFICATE IN EVERY PARTICULAR, \l\nTHOUTALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER. Signature(s) Guaranteed By _______________________ The Signature(s) must be guaranteed by an eligible guarantor institution (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions with membership in an approved Signature Guarantee Medallion Program), pursuant to SEC Rule 17Ad.-15. THE CORPORATION VV1LLFURNISH TO ANY STOCKHOLDER, UPON REQUEST AND VV1THOUTCHARGE, A FULL STATEMENT OF THE DESIGNATIONS, RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF THE SHARES OF EACH CLASSAND SERIES AUTHORIZED TO BE ISSUED, SO FAR AS THE SAME HAVE BEEN DETERMINED, AND OF THE AUTHORITY, IF ANY, OF THE BOARD TO DIVIDE THE SHARES INTO CLASSESOR SERIES AND TO DETERMINE AND CHANGE THE RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF ANY CLASS OR SERIES. SUCH REQUEST MAY BE MADE TO THE SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT NAMED ON THIS CERTIFICATE. COLUMBIA PRINTING SERVICES, LLC .www.stockinformation.com