1 EXHIBIT 3.5 COMMON STOCK $0.10 PAR VALUE INCORPORATED UNDER THE LAWS SEE REVERSE SIDE OF THE STATE OF DELAWARE FOR LEGEND CUSIP ______ THIS CERTIFICATE IS TRANSFERABLE IN HOUSTON TX AND NEW YORK, NY SEE REVERSE SIDE FOR CERTAIN CONDITIONS PENNZOIL-QUAKER STATE COMPANY THIS CERTIFIES THAT FULLY-PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK Pennzoil-Quaker State Company transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. The shares represented hereby are issued and shall be held subject to the provisions of the Certificate of Incorporation of the Corporation, copies of which are on file with the Transfer Agents, to all of which the holder by acceptance hereof assents. This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar. Witness the facsimile signatures of its duly authorized officers. Dated: /s/ LINDA F. CONDIT /s/ JAMES L. PATE - -------------------------------------- --------------------------------- VICE PRESIDENT AND CORPORATE SECRETARY CHAIRMAN OF THE BOARD AND REGISTERED CHIEF EXECUTIVE OFFICER HARRIS TRUST AND SAVINGS BANK COUNTERSIGNED REGISTRAR PENNZOIL COMPANY By [HOUSTON, TX] TRANSFER AGENT BY AUTHORIZED SIGNATURE AUTHORIZED SIGNATURE 2 PENNZOIL-QUAKER STATE COMPANY 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 (Cust) (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 THE CORPORATION WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO REQUESTS THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OR SERIES THEREOF OF THE CORPORATION, AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND/OR RIGHTS. SUCH REQUEST MAY BE MADE TO THE CORPORATION IN HOUSTON, TEXAS OR TO EITHER TRANSFER AGENT. 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 ZIP CODE, OF ASSIGNEE) _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ ________________________________________________________________________ Shares of the Capital 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, ______________________________ Signature: NOTICE: X ________________________________________ THE SIGNATURE TO THIS (SIGNATURE) ASSIGNMENT MUST CORRES- POND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. X ________________________________________ (SIGNATURE) ________________________________________ THE SIGNATURE(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-16, ________________________________________ SIGNATURE(S) GUARANTEED BY: ________________________________________ This certificate also __________ and causes the holder hereof to certain Rights as set forth in the Rights Agreement (the "Rights Agreement") between Pennzoil-Quaker State Company (the "Company") and ___________, the "Rights Agent"), the terms of which are hereby incorporated herein by reference and a copy of which is on file at the principal offices of the Company. Under certain circumstances, as set forth in the Rights Agreement, such Rights will be evidenced by separate certificates and will no longer be evidenced by this certificate. The Company or the Rights Agent will mail to the holder of this certificate a copy of the Rights Agreement as in effect on the date of mailing, without charge promptly after receipt of a written request therefor. Under certain circumstances set forth in the Rights Agreement, Rights beneficially owned by or transferred to any Person who is, was or becomes an Acquiring Person or an Affiliate or Associate thereof (as such terms are defined in the Rights Agreement, and certain transferees thereof, will become null and void and will no longer be transferable.