EXHIBIT 4.1 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE NUMBER SHARES C COMMON STOCK PETROGLYPH ENERGY, INC. CUSIP __________ THIS CERTIFIES THAT ______________________________________ is the owner of ______________________________ FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF THE PAR VALUE OF $.01 PER SHARE, OF PETROGLYPH ENERGY, INC. 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. WITNESS the signatures of the Corporation's duly authorized officers. Dated: COUNTERSIGNED AND REGISTERED: AMERICAN STOCK TRANSFER & TRUST COMPANY PRESIDENT TRANSFER AGENT AND REGISTRAR BY SECRETARY AUTHORIZED SIGNATURE PETROGLYPH ENERGY, INC. 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. 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 Under Uniform Gifts to Minors of survivorship and not as Act ________________________ tenants in common (State) Additional abbreviations may also be used though not on the above list. For Value Received, ______________________________ hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY NUMBER OR OTHER IDENTIFYING NUMBER OF ASSIGNEE ________________________________________________________________________________ ________________________________________________________________________________ Please print or typewrite name and address, including postal 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(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. X_______________________________________________ X_______________________________________________ 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-15. SIGNATURE(S) GUARANTEED BY: