PRODUCTION AND DELIVERY AGREEMENT
Reference for all purposes is hereby made to that certain Production and Delivery Agreement (the "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"), pertaining to certain oil and gas leases, wells and related interests, which Delivery Agreement is
recorded as set forth on Exhibit C hereto under the caption "Production and Delivery Agreement."
WHEREAS, Grantor and Grantee desire to amend the Delivery Agreement as hereinafter set forth as of April 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 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 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.
EXECUTED in multiple originals this 21st day of May, 1993, but effective as of the Effective Date.