----

----

| Witnesses:          |   | PETROLEUM DEVELOPMENT CORPORATION |
|---------------------|--------|-----------------------------------|
|                |   | A Nevada Corporation              |
| /s/ Susan A. Foster |   |                              |   |
| Susan A. Foster     |   |                              |   |
|                |   |                              |   |
| /s/ Rhonda L. Hunt  |   | BY:                               | /s/ William D. Gainor |
| Rhonda L. Hunt      |   |                              | William D. Gainor |
|                |   |                              | Land Manager |

| STATE OF WEST VIRGINIA | ) |
|------------------------|---|

| COUNTY OF HARRISON | ) |
|--------------------|---|

|                                        | /s/ Rita A. Clark |   |
|----------------------------------------|-------------------|--------|
| Rita A. Clark                          |              |
| Notary Public - State of West Virginia |              |
| County of Harrison                     |              |
| My Commission expires: June 2, 2009    |              |

----

|   | PDC 2002-D LIMITED PARTNERSHIP |
|--------|--------------------------------|
|   |                           |   |
|   | By:                            | Petroleum Development Corporation |
|   |                           |   |
|   |                           |   |
|   | By:                            | /s/ Ersel E. Morgan |
|   |                           | Ersel E. Morgan, Jr. as Vice President |

| STATE OF WEST VIRGINIA | § |
|------------------------|--------|

| COUNTY OF HARRISON | § |
|--------------------|--------|

|                                     | /s/ Rita A. Clark |
|-------------------------------------|-------------------|
| Rita A. Clark as Notary Public      |
| Harrison County, West Virginia      |
| My commission expires: June 2, 2009 |

----

| WELL NAME      | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|----------------|--------------------|------------|-------------------------|---------------------------|----------|----------|-------------------|-----------|
| Chevron 13-17D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 17: NW4SW4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME      | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|----------------|--------------------|------------|-------------------------|---------------------------|----------|----------|-------------------|-----------|
| Chevron 12-17D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 17: SW4NW4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-------------------------|--------------------------|----------|----------|-------------------|-----------|
| Chevron 31-7D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 7: NW4NE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE     | LEGAL DESCRIPTION        | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-----------------------------|--------------------------|----------|----------|-------------------|-----------|
| Chevron 41-7D | Chevron USA, Inc.  | 03-18-2003 | 623086 Book 1447 / Page 573 | T6S, R96W Sec. 7: NE4NE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-------------------------|--------------------------|----------|----------|-------------------|-----------|
| Chevron 32-7D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 7: SW4NE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-------------------------|--------------------------|----------|----------|-------------------|-----------|
| Chevron 42-7D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 7: SE4NE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION       | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-------------------------|-------------------------|----------|----------|-------------------|-----------|
| Chevron 33-7D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 7: W2SE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|--------------------|------------|-------------------------|--------------------------|----------|----------|-------------------|-----------|
| Chevron 43-7D | Chevron USA, Inc.  | 11-15-2002 | 623086                  | T6S, R96W Sec. 7: NE4SE4 | Garfield | Colorado | 0.99955           | 691300    |

----

| WELL NAME     | LESSOR OR ASSIGNOR        | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION       | COUNTY   | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|---------------------------|------------|-------------------------|-------------------------|----------|----------|-------------------|-----------|
| Chevron 42-5D | Chevron Shale Oil Company | 07-31-2001 | 593765/1312             | T6S, R96W Sec. 5: E2NE4 | Garfield | Colorado | 0.99955           | 687900    |

----

----

| Witnesses:          |   | PETROLEUM DEVELOPMENT CORPORATION |
|---------------------|--------|-----------------------------------|
|                |   | A Nevada Corporation              |
| /s/ Susan A. Foster |   |                              |   |
| Susan A. Foster     |   |                              |   |
|                |   |                              |   |
| /s/ Rhonda L. Hunt  |   | BY:                               | /s/ William D. Gainor |
| Rhonda L. Hunt      |   |                              | William D. Gainor |
|                |   |                              | Land Manager |

| STATE OF WEST VIRGINIA | ) |
|------------------------|---|

| COUNTY OF HARRISON | ) |
|--------------------|---|

|                                        | /s/ Rita A. Clark |   |
|----------------------------------------|-------------------|--------|
| Rita A. Clark                          |              |
| Notary Public - State of West Virginia |              |
| County of Harrison                     |              |
| My Commission expires: June 2, 2009    |              |

----

|   | PDC 2002-D LIMITED PARTNERSHIP |
|--------|--------------------------------|
|   |                           |   |
|   | By:                            | Petroleum Development Corporation |
|   |                           |   |
|   |                           |   |
|   | By:                            | /s/ Ersel E. Morgan |
|   |                           | Ersel E. Morgan, Jr. as Vice President |

| STATE OF WEST VIRGINIA | § |
|------------------------|--------|

| COUNTY OF HARRISON | § |
|--------------------|--------|

|                                     | /s/ Rita A. Clark |
|-------------------------------------|-------------------|
| Rita A. Clark as Notary Public      |
| Harrison County, West Virginia      |
| My commission expires: June 2, 2009 |

----

| WELL NAME    | LESSOR OR ASSIGNOR                                                 | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION                                       | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|--------------------------------------------------------------------|------------|-------------------------|---------------------------------------------------------|--------|----------|-------------------|-----------|
| Gaddis 42-36 | The Gaddis Family Registered Limited Liability Limited Partnership | 11-01-2001 | 2949208                 | T4N, R68W Sec. 36: SE4NE4                               | Weld   | Colorado | 0.99955           | 683300    |
|         | Booth Land & Livestock Co.                                     | 10-22-2002 | 3159884                 | T4N, R68W Sec. 36: Parcel in S2N2 Containing 8.07 acres |   |     |              | 736500    |
|         | Ronald L. Morris And Nanette L. Morris                             | 11-18-2001 | 2926205                 | T4N, R68W Sec. 36; Parcel in S2N2 Containing 8.5 acres  |   |     |              | 686300    |

----

| WELL NAME             | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-----------------------|--------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| J & L Farms 22-29 | J & L Farms    | 03-23-1988 | 2136094/1190            | T6N, R63W Sec. 29: SE4NW4 | Weld   | Colorado | 0.87460625        | 690300    |

----

| WELL NAME   | LESSOR OR ASSIGNOR                                 | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------|----------------------------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Seele 42-31 | Anadarko E & P Co., LP and Anadarko Land Corp. | 01-31-2003 | 3078717                 | T4N, R67W Sec. 31: SE4NE4 | Weld   | Colorado | 0.79964           | 653500    |

----

| WELL NAME  | LESSOR OR ASSIGNOR          | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION      | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|------------|-----------------------------|------------|-------------------------|------------------------|--------|----------|-------------------|-----------|
| Baker 31-5 | Union Pacific Resources Co. | 02-07-2000 | 2768455                 | T4N, R63W Sec. 5: NWNE | Weld   | Colorado | 0.79964           | 657101    |

----

| WELL NAME  | LESSOR OR ASSIGNOR                 | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|------------|------------------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Baker 42-5 | Union Pacific Land Resources Corp. | 02-07-2000 | 2768455                 | T4N, R63W Sec. 5: SE4NE4 | Weld   | Colorado | 0.79964           | 657100    |

----

| WELL NAME     | LESSOR OR ASSIGNOR            | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|-------------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Wyscaver 13-5 | Union Pacific Resources Corp. | 02-07-2000 | 2768456                 | T4N, R67W Sec. 5: NW4SW4 | Weld   | Colorado | 0.79964           | 657100    |

----

| WELL NAME     | LESSOR OR ASSIGNOR            | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|-------------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Wyscaver 24-5 | Union Pacific Resources Corp. | 02-07-2000 | 2768456                 | T4N, R63W Sec. 5: SE4SW4 | Weld   | Colorado | 0.79964           | 657100    |

----

| WELL NAME       | LESSOR OR ASSIGNOR    | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-----------------|-----------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Zimmerman 14-17 | RME Petroleum Company | 07-09-2001 | 2911649                 | T5N, R67W Sec. 17: SW4SW4 | Weld   | Colorado | 0.79964           | 654700    |

----

| WELL NAME    | LESSOR OR ASSIGNOR    | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|-----------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Fickel 31-21 | RME Petroleum Company | 12-27-2001 | 2955794                 | T4N, R67W Sec. 21: NW4NE4 | Weld   | Colorado | 0.79964           | 681800    |

----

| WELL NAME   | LESSOR OR ASSIGNOR          | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------|-----------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| McKee 41-21 | Union Pacific Resources Co. | 08-02-1989 | 2198463/1249            | T6N,R64W Sec. 21: NE4NE4 | Weld   | Colorado | 0.87460625        | 681200    |

----

| WELL NAME   | LESSOR OR ASSIGNOR          | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------|-----------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| McKee 31-21 | Union Pacific Resources Co. | 05-31-1990 | 2225865/1275            | T6N, R64W Sec. 21: NW4NE4 | Weld   | Colorado | 0.87460625        | 681200    |

----

| WELL NAME             | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-----------------------|--------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| J & L Farms 42-29 | J & L Farms    | 03-23-1988 | 2136094/1190            | T6N, R63W Sec. 29: SE4NE4 | Weld   | Colorado | 0.87460625        | 690400    |

----

| WELL NAME      | LESSOR OR ASSIGNOR                                    | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|----------------|-------------------------------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Weideman 24-22 | Kaveny, Ruth L.                                       | 07-01-1987 | 2107055-1163            | T4N, R66W, Sec. 22: E2SW4 | Weld   | Colorado | 0.87460625        | 686500    |
|           | Kaveny, Gerry L.                                      | 07-01-1987 | 2107056/1163            |                      |   |     |              |      |
|           | Kaveny, R.L. and Kaveny, Rachel                       | 07-01-1987 | 2107054/1163            |                      |   |     |              |      |
|           | Kaveny, Violet, Trustee of the Gaelyn D. Kaveny Trust | 07-01-1987 | 2107057/1163            |                      |   |     |              |      |
|           | Wiedeman, Terry L. and Wiedeman, Janice L.            | 06-15-19S7 | 2105609/1162            |                      |   |     |              |      |
|           | Framers Independent Ditch Co.                         | 10-01-1987 | 2118625/1174            |                      |   |     |              |      |
|           | Oster, Robert C. and Oster, Nellie M.                 | 11-21-1981 | 1878843/958             |                      |   |     |              |      |
|           | Alles, Elizabeth                                      | 02-28-1990 | 2209751/1260            |                      |   |     |              |      |
|           | Gartrell, Harry Arlo and Gartrell, Ruth A.            | 02-09-1990 | 2207706/1258            |                      |   |     |              |      |
|           | Chacon, Rudy and Chacon, Rosie                        | 02-09-1990 | 2208852/1259            |                      |   |     |              |      |
|           | Eilers, Virgil and Eilers, Marion                     | 02-09-1990 | 2206233/1256            |                      |   |     |              |      |
|           | Southgate, Inc.                                       | 05-14-1985 | 2013222/1072            |                      |   |     |              |      |
|           | Kibel,Art and Kibel, Letha                            | 02-09-1990 | 2206234/1256            |                      |   |     |              |      |
|           | Baucom, Bill and Baucom, Beth                         | 02-09-1990 | 2205987/1256            |                      |   |     |              |      |
|           | Gonzales, Socorro and Gonzales, Guadalupe             | 03-31-2003 | 3050237                 |                      |   |     |              |      |
|           | Mauricio, Jorge                                       | 03-31-2003 | 3050239                 |                      |   |     |              |      |

----

| WELL NAME | LESSOR OR ASSIGNOR                                    | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-----------|-------------------------------------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| JT 23-22  | Kaveny, Ruth L.                                       | 07-01-1987 | 2107055/1163            | T4N, R66W Sec. 22: E2SW4 | Weld   | Colorado | 0.87460625        | 686500    |
|      | Kaveny, Gerry L.                                      | 07-01-1987 | 2107056/1163            |                     |   |     |              |      |
|      | Kaveny, R.L. and Kaveny, Rachel                       | 07-01-1987 | 2107054/1163            |                     |   |     |              |      |
|      | Kaveny, Violet, Trustee of the Gaelyn D. Kaveny Trust | 07-01-1987 | 2107057/1163            |                     |   |     |              |      |
|      | Wiedeman, Terry L. and Wiedeman, Janice L.            | 06-15-1987 | 2105609/1162            |                     |   |     |              |      |
|      | Framers Independent Ditch Co.                         | 10-01-1987 | 2118625/1174            |                     |   |     |              |      |
|      | Oster, Robert C. and Oster, Nellie M.                 | 11-21-1981 | 1878843/958             |                     |   |     |              |      |
|      | Alles, Elizabeth                                      | 02-28-1990 | 2209751/1260            |                     |   |     |              |      |
|      | Gartrell, Harry Arlo and Gartaell, Ruth A.            | 02-09-1990 | 2207706/1255            |                     |   |     |              |      |
|      | Chacon, Rudy and Chacon, Rosie                        | 02-09-1990 | 2208852/1259            |                     |   |     |              |      |
|      | Eilers, Virgil and Eilers, Marion                     | 02-09-1990 | 2206233/1256            |                     |   |     |              |      |
|      | Southsate, Inc.                                       | 05-14-1985 | 2013222/1072            |                     |   |     |              |      |
|      | Kibel, Art and Kibel, Letha                           | 02-09-1990 | 2206234/1256            |                     |   |     |              |      |
|      | Baucom, Bill and Baucom, Beth                         | 02-09-1990 | 2205987/1256            |                     |   |     |              |      |
|      | Gonzales, Socorro and Gonzales, Guadalupe             | 03-31-2003 | 3050237                 |                     |   |     |              |      |
|      | Mauricio, Jorge                                       | 03-31-2003 | 3050239                 |                     |   |     |              |      |

----

| WELL NAME               | LESSOR OR ASSIGNOR                | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------------------|-----------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| National Hog Farm 33-21 | Union Pacific Land Resource Corp. | 05-15-1998 | 2652401                 | T5N, R63W Sec. 21: NW4SE4 | Weld   | Colorado | 0.779649          | 648200    |

----

| WELL NAME               | LESSOR OR ASSIGNOR                 | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------------------|------------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| National Hog Farm 31-21 | Union Pacific Land Resources Corp. | 05-15-1998 | 2652401                 | T5N, R63W Sec. 21: NW4NE4 | Weld   | Colorado | 0.779649          | 648200    |

----

| WELL NAME               | LESSOR OR ASSIGNOR                 | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------------------|------------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| National Hog Farm 42-21 | Union Pacific Land Resources Corp. | 05-15-1995 | 2652401                 | T5N, R63W Sec. 21: SE4NE4 | Weld   | Colorado | 0.779649          | 648200    |

----

| WELL NAME | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-----------|--------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Knox 41-3 | RME Petroleum Co.  | 12-17-2001 | 2952961                 | T5N, R67W Sec. 3: NE4NE4 | Weld   | Colorado | 0.79964           | 682100    |

----

| WELL NAME    | LESSOR OR ASSIGNOR                             | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|------------------------------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Miller 21-31 | Anadarko E & P Co. and Anadarko Land Corp. | 03-25-2003 | 3225683                 | T6N, R63W Sec. 31: NE4NW4 | Weld   | Colorado | 0.79964           | 691200    |

----

| WELL NAME        | LESSOR OR ASSIGNOR          | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|------------------|-----------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Wells Ranch 14-2 | Petroleum Development Corp. | 08-20-2002 | 2996355                 | T5N, R63W Sec. 2: SW4SW4 | Weld   | Colorado | 0.99955           | 687500    |

----

| WELL NAME    | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|--------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Johnson 13-4 | A. Bruce Johnson   | 01-10-2003 | 3027313                 | T6N, R65W Sec. 4: NW4SW4 | Weld   | Colorado | 0.99955           | 690900    |

----

| WELL NAME    | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION       | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|--------------------|------------|-------------------------|-------------------------|--------|----------|-------------------|-----------|
| Johnson 14-4 | A. Bruce Johnson   | 01-10-2003 | 3027313                 | T6N,R65W Sec. 4: SW4SW4 | Weld   | Colorado | 0.99955           | 690900    |

----

| WELL NAME     | LESSOR OR ASSIGNOR      | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|---------------|-------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Monson 14-20D | Monson Brothers Company | 01-10-2003 | 3027312                 | T6N, R65W Sec 20: SW4SW4 | Weld   | Colorado | 0.99955           | 691600    |
|          | USA                     | 05-01-2003 | 3173822                 | T6N, R63W Sec. 8: SW4SE4 |   |     |              | 734100    |

----

| WELL NAME    | LESSOR OR ASSIGNOR | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|--------------|--------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Monson 24-20 | Monson Bros. Co.   | 01-10-2003 | 3027312                 | T6N, R65W Sec. 20: SE4SW4 | Weld   | Colorado | 0.99955           | 691600    |

----

| WELL NAME  | LESSOR or ASSIGNOR            | LEASE DATE | RECEPTION NO. BOOK NO. | LEGAL DESCRIPTION                                                    | COUNTY | STATE  | ASSIGNED INTEREST | LEASE NO. |
|------------|-------------------------------|------------|------------------------|----------------------------------------------------------------------|--------|--------|-------------------|-----------|
| Hoff #33-6 | Alice S. Carr                 | 11-04-1983 | 1948964/1014           | T5N, R64W, Sec. 5: NW/4SW/4 Sec. 6; NE/4SE/4                         | Weld   | CO     | 0.92058209        | 664300    |
|       | Webster Land & Cattle Co. | 06-02-1981 | 1870850 / 949          | T5N, R64W, Sec. 5: E/2NW/4 PO Sec. 6                                 |   |   |              |      |
|       | Charles G. Monroe & Co.   | 11-04-1983 | 1948965/1014           | T5N, R64W, Sec. 5: NW/4SW/4 Sec. 6: NE/4SE/4                         |   |   |              |      |
|       | Herman R. Hoff, et ux         | 06-30-1981 | 1870848/949            | T5N, R64W, Sec. 5: E/2NW/4, NW/4NE/4POS/2SW/4 & SW/4SE/4         |   |   |              |      |
|       | Louise E. Newbanks            | 01-08-2002 | 2943014                | T5N, R64W, Sec. 6: NW/4SE/4, —except West 662.3-feet           |   |   |              |      |
|       | Delmar Lee Burns, et ux       | 01-08-2002 | 2943015                | T5N, R64W, Sec. 6: W662.3'of NW/4SE/4, Except .68 acres in NW corner |   |   |              |      |

----

| WELL NAME  | LESSOR OR ASSIGNOR         | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION        | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|------------|----------------------------|------------|-------------------------|--------------------------|--------|----------|-------------------|-----------|
| Meyer 41-7 | Anadarko E & P Co., LP | 06-15-2001 | 2911640                 | T4N, R63W Sec. 7: NE4NE4 | Weld   | Colorado | 0.79964           | 657300    |

----

| WELL NAME         | LESSOR OR ASSIGNOR         | LEASE DATE | RECEPTION NO. BOOK/PAGE | LEGAL DESCRIPTION         | COUNTY | STATE    | ASSIGNED INTEREST | LEASE NO. |
|-------------------|----------------------------|------------|-------------------------|---------------------------|--------|----------|-------------------|-----------|
| Wells Ranch 23-11 | Anadarko E & P Company | 05-05-2003 | 3158654                 | T5N, R63W Sec. 11: NE4SW4 | Weld   | Colorado | 0.79964           | 688200    |

----