PRODUCTION AND DELIVERY AGREEMENT
Reference for all purposes is hereby made to that certain Production and Delivery Agreement dated September
25, 1992, by and between ENRON OIL & GAS COMPANY, a Delaware corporation ("Grantor") and
CACTUS HYDROCARBON 1992-A LIMITED PARTNERSHIP, a Delaware limited partnership, whose
address is 1400 Smith Street, P. O. Box 1188, Houston, Texas 77251-1188 ("Grantee"), as amended by that
certain First Amendment to Production and Delivery Agreement dated effective April 1, 1993 (the "Delivery
Agreement"), pertaining to certain oil and gas leases, wells and related interests, which Delivery Agreement is
recorded as set forth on Exhibit C hereto.
WHEREAS, Grantor and Grantee desire to amend the Delivery Agreement as hereinafter set forth as of July 1,
1993 (the "Effective Date") to release certain Leases and Subject Wells from the Delivery Agreement and to add
certain additional oil and gas leases, wells and related interests and to make other changes as provided herein:
NOW, THEREFORE, for and in consideration of the premises and of the sum of Ten Dollars and no/100ths
($10.00) and other good and valuable consideration, cash in hand paid to Grantor by Grantee, Grantor and
Grantee do hereby amend the Delivery Agreement as follows:
1. Capitalized terms as used herein shall have the meanings given to them in the Delivery Agreement unless
otherwise defined herein.
2. Exhibit A to the Delivery Agreement is hereby amended by deleting those Leases set forth on Exhibit A-1
hereto and those Subject Wells set forth on Exhibit A-2 hereto and adding those oil and gas leases and related
interests set forth on Exhibit B-1 hereto and those wells set forth on Exhibit B-2 hereto.
3. Except as expressly amended hereby, the Delivery Agreement shall remain in full force and effect as heretofore
entered into and amended. Grantor and Grantee ratify and confirm the Delivery Agreement as hereby amended.
4. This instrument is being executed