**THIRD      AMENDMENT TO CREDIT AGREEMENT**

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*NON      CONVENIENS*

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**THE      CREDIT AGREEMENT, AS AMENDED BY THIS AGREEMENT, AND THE OTHER LOAN DOCUMENTS      REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED      BY      EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE      PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE      PARTIES.**

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|   | BOIS                D’ARC ENERGY, INC.     |
|--------|--------------------------------------------------|
|   |                                             |
|   |                                             |
|   | By: /s/                ROLAND O. BURNS      |
|   | Name: Roland                O. Burns        |
|   | Title: Senior                Vice President |
|   | and                Chief Financial Officer       |

|   | THE                BANK OF NOVA SCOTIA, as                    |
|--------|---------------------------------------------------------------|
|   | Administrative                Agent, Lead Arranger and Lender |
|   |                                                          |
|   |                                                          |
|   | By: /s/                RICHARD HAWTHORNE                 |
|   | Name: Richard                Hawthorne                   |
|   | Title: Director                                          |

|   | CAYLON                NEW YORK BRANCH, as Syndication |
|--------|-------------------------------------------------------|
|   | Agent                and Lender                       |
|   |                                                  |
|   |                                                  |
|   | By: /s/                DENNIS PETITO             |
|   | Name: Dennis                Petito               |
|   | Title: Managing                Director          |
|   |                                                  |
|   |                                                  |
|   | By: /s/                MICHAEL WILLIS            |
|   | Name: Michael                Willis              |
|   | Title: Director                                  |

|   | REGIONS                BANK, as                      |
|--------|------------------------------------------------------|
|   | Documentation                Agent and Lender        |
|   |                                                 |
|   |                                                 |
|   | By: /s/                WA PHILIPP               |
|   | Name: W                A                Phillip |
|   | Title: Vice                President            |

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|   | NATIXIS                (formerly known as Natexis Banques |
|--------|-----------------------------------------------------------|
|   | Populaires),                as Lender                     |
|   |                                                      |
|   |                                                      |
|   | By: /s/                DONOVAN C. BROUSSARD          |
|   | Name: Donovan                C. Broussard            |
|   | Title: Managing                Director              |
|   |                                                      |
|   |                                                      |
|   | By: /s/                LOUIS P. LAVILLE, III         |
|   | Name: Louis                P. Laville, III           |
|   | Title: Managing                Director              |

|   | UNION                BANK OF CALIFORNIA, N.A, as |
|--------|--------------------------------------------------|
|   |                                             |
|   |                                             |
|   | By: /s/                SEAN MURPHY          |
|   | Name: Sean                Murphy            |
|   | Title: Vice                President        |

|   | BMO                CAPITAL MARKETS FINANCING, INC.,               |
|--------|-------------------------------------------------------------------|
|   | Formerly                known as (Harris Nesbit Financing, Inc.), |
|   | as                Lender                                          |
|   |                                                              |
|   |                                                              |
|   | By: /s/                MARY LOU ALLEN                        |
|   | Name: Mary                Lou Allen                          |
|   | Title: Vice                President                         |

|   | BANK                OF AMERICA, N.A, as Lender  |
|--------|-------------------------------------------------|
|   |                                            |
|   |                                            |
|   | By: /s/                JEFFREY H. RATHKAMP |
|   | Name: Jeffrey                H. Rathcamp   |
|   | Title: Managing                Director    |

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|   | COMERICA                BANK, as Lender    |
|--------|--------------------------------------------|
|   |                                       |
|   |                                       |
|   | By: /s/                PAUL L. SEFZIK |
|   | Name: Paul                L. Sefzik   |
|   | Title: Vice                President  |

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**ACKNOWLEDGMENT      BY GUARANTORS**

|   | BOIS                D’ARC OIL & GAS COMPANY LLC, |
|--------|------------------------------------------------------------|
|   | as                Guarantor                                |
|   |                                                       |
|   |                                                       |
|   | By: /s/                ROLAND O. BURNS                |
|   | Name: Roland                O. Burns                  |
|   | Title: Senior                Vice President           |
|   | and                Chief Financial Officer                 |
|   | Date: May                7, 2007                      |

|   | BOIS                D’ARC HOLDINGS, LLC, as Guarantor |
|--------|-------------------------------------------------------------|
|   |                                                        |
|   |                                                        |
|   | By: /s/                ROLAND O. BURNS                 |
|   | Name: Roland                O. Burns                   |
|   | Title: Senior                Vice President            |
|   | and                Chief Financial Officer                  |
|   | Date: May                7, 2007                       |

|   | BOIS                D’ARC OFFSHORE LTD., as Guarantor |
|--------|-------------------------------------------------------------|
|   |                                                        |
|   |                                                        |
|   | By: /s/                ROLAND O. BURNS                 |
|   | Name: Roland                O. Burns                   |
|   | Title: Senior                Vice President            |
|   | and                Chief Financial Officer                  |
|   | Date: May                7, 2007                       |

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|   | BOIS                D’ARC PROPERTIES, LP, as Guarantor |
|--------|--------------------------------------------------------------|
|   |                                                         |
|   |                                                         |
|   | By: /s/                ROLAND O. BURNS                  |
|   | Name: Roland                O. Burns                    |
|   | Title: Senior                Vice President             |
|   | and                Chief Financial Officer                   |
|   | Date: May                7, 2007                        |

|   | BOIS                D’ARC ENERGY, INC., as Guarantor |
|--------|------------------------------------------------------------|
|   |                                                       |
|   |                                                       |
|   | By: /s/                ROLAND O. BURNS                |
|   | Name: Roland                O. Burns                  |
|   | Title: Senior                Vice President           |
|   | and                Chief Financial Officer                 |
|   | Date: May                7, 2007                      |

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**EXHIBIT      A**

**SCHEDULE      2.1**

**COMMITMENTS**

**AND      PERCENTAGE SHARES**

| **Lender**                                          | **Commitment**               | **Percentage                Share**  |
|----------------------------------------------------------|-----------------------------------|-------------------------------------------|
| The                Bank of Nova Scotia              | $61,250,000.00               | 17.500000000%                        |
| Regions                Bank                         | $52,500,000.00               | 15.000000000%                        |
| Calyon                New York Branch               | $52,500,000.00               | 15.000000000%                        |
| Natixis                                             | $43,750,000.00               | 12.500000000%                        |
| Bank                of America, N.A.                | $35,000,000.00               | 10.000000000%                        |
| Comerica                Bank                        | $35,000,000.00               | 10.000000000%                        |
| Union                Bank of California, N.A.       | $35,000,000.00               | 10.000000000%                        |
| BMO                Capital Markets Financing, Inc.  | $35,000,000.00               | 10.000000000%                        |
|   Total                                   |   $350,000,000.00  |   100.000000000%           |