[PLAINS MARKETING, L.P. LETTERHEAD]
October 04, 2006
Presco Western, LLC
5480 Valmont
Suite 350
Boulder, CO 80304
Fax: (303) 417-1000
Gentlemen:
Please amend the subject contract by adding and/or deleting the following well(s) effective as shown.
| Add Delete | PMLP Number | Well Name | Operator | County/State | Effective | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Add | 137580 | NANNING A TRUST 34-E | PRESCO WESTERN LLC | HASKELL, KS | Sept 01 2006 |
Please see Exhibit "A" attached for pricing purposes.
Except as herein amended, all other terms and conditions of said contract shell remain in full force and effect.
This fax evidences our understanding of the entire agreement and shall constitute the formal contract. Please acknowledge by return fax your acceptance of and agreement to the terms stated herein. Unless we receive notice of your objections within five (5) business days, we will consider this agreement as final and binding on both patties.
The parties agree that faxed documents shall be deemed to be admissible as primary evidence in a court of law as original or as counterparts of the original documents, either of which are to be retained end available for inspection.
Very truly yours,
PLAINS MARKETING, L.P.
By Plains Marketing GP Inc.
Its General Partner
| /s/ MIKE A. WELLER Mike A. Weller Director, Rocky Mountain Region and Attorney in Fact |
Plains Marketing LP.
| Plains contact: | 4765-1001 | Effective: 09-01-2006 | Exhibit "A" | Partner contact: Please Provide | Oct 04, 2006 | |||||
| Page 1 of 2 |
| PM Lease *Inact | Lease | Operator | County/ Parish | State | Price Code | Price Method** | Applicable Premium or (Deduct) | Percent | Gravity | State Lease | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 106346 | (1) | LARSON #1-731 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0oAPI | |||||||||
| 106347 | JEHLE #1-1624 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 111935 | GRANT-MAURICE | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 114313 | GARNER 1-1624 | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 114317 | ANTON 2-518 | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 117240 | (1) | PEREZ 1-531 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | |||||||||
| 118051 | ELS PROPERTIES 1-1030 | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0oAPI | ||||||||||
| 118168* | MEGAN JANAE 1-30 | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 118339 | MCKINLEY 1-519 | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 123592 | IRENE 1-1632 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 125003 | JLM FARMS #1 1A27 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 126122 | WESTERN FEEDYARD | PRESCO WESTERN LLC | STANTON | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 126353 | BLACK CENTRAL TANK | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 126437 | MILES 1 11-28 | PRESCO WESTERN LLC | KEARNY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 129608 | ROGER WILSON | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131515 | STOCKER FACILITY | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131551 | SWALOR A-1 | PRESCO WESTERN LLC | STEVENS | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131552 | SWALOR B-1 | PRESCO WESTERN LLC | STEVENS | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131553 | BLACKWELL A-1 | PRESCO WESTERN LLC | MORTON | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131624 | KISEL 1-1215 #2 | PRESCO WESTERN LLC | KEARNY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131711 | COX 6-P | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131729 | BLACK TRUST | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 131749 | E. HALL | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 135729 | LUCAS TRUST 4K29-30-38 | PRESCO WESTERN LLC | GRANT | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0oAPI | ||||||||||
| 135748 | GCC 1-530 | PRESCO WESTERN LLC | FINNEY | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 135872 | MCKINLEY 15-P | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 137528 | BERGNER 7-P | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0o API | ||||||||||
| 137530 | NANNING A TRUST 34-E | PRESCO WESTERN LLC | HASKELL | KS | S2092 | EDQ | $ | 3.3000 | 100.00000 | % | Deemed 40.0oAPI | ||||||||||
