Exhibit 4.5

SEE REVERSE FOR IMPORTANT NOTICE REGARDING OWNERSHIP AND
TRANSFER RESTRICTIONS AND CERTAIN OTHER INFORMATION
GINKGO BIOWORKS HOLDINGS, INC.
INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
CLASS A COMMON STOCK
CUSIP 000000 00 0
SEE REVERSE FOR CERTAIN DEFINITIONS
THIS CERTIFIES THAT
IS THE OWNER OF
FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, $0.0001 PAR VALUE, OF
GINKGO BIOWORKS HOLDINGS, INC.
Transferable on the books of the Company in Person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This certificate and the shares represented hereby, are issued and shall be held subject to all of the provisions of the Certification of Incorporation, as amended, and the Bylaws, as amended, of the Company (copies of which are on file with the Company and with the Transfer Agent), to all of which each holder, by acceptance hereof, assents. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar.
WITNESS the facsimile seal of the Company and the facsimile signatures of its duly authorized officers.
Chief Financial Officer
Chief Executive Officer

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
TEN ENT as tenants by the entireties
JT TEN as joint tenants with right of survivorship and not as tenants in common
TTEE trustee under Agreement dated
UNIF GIFT MIN ACT Custodian
(Cust) (Minor)
under Uniform Gifts to Minors
Act (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 SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE
PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF ASSIGNEE.
Shares of the common stock represented by this certificate and do hereby irrevocably constitutes 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 assignment must correspond with the name as written upon the face of the certificate in every particular without alteration or enlargement or any change whatsoever.
SIGNATURE GUARANTEED:
THE SIGNATURES(S) SHOULD 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 S.E.C. RULE 17Ad-15.