**EXHIBIT      10.10**

**Boardwalk      Pipeline Partners, LP**

**Long-Term      Incentive Plan**

**[FORM      OF] Grant of Phantom Units**

**with      DERs**

**Grantee**

**Grant      D**
**ate:______________________________**

| 1. | **Grant                of Phantom Units with DERs**.                Boardwalk Pipeline Partners,                LP                (the “Partnership”) hereby grants to you ______ Phantom Units under the                Boardwalk Pipeline Partners Long-Term Incentive Plan (the “Plan”) on the                terms and conditions set forth herein. This grant of Phantom Units                includes a tandem grant of DERs with respect to each Phantom Unit.                The                Partnership shall establish a DER bookkeeping account for you with                respect                to each Phantom Unit granted that shall be credited with an amount                equal                to any cash distributions made by the Partnership on a Common Unit                during                the period such Phantom Unit is outstanding. In the event of any                conflict                between the terms of this Agreement and the Plan, which is incorporated                herein by reference as a part of this Agreement, the terms of the                Plan                shall control. A copy of the Plan is attached hereto. Capitalized                terms                used in this Agreement but not defined herein shall have the meanings                ascribed to such terms in the Plan, unless the context requires otherwise. |
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| 2. | **Vesting**.** **Except                as otherwise provided in Paragraph 3 below, the Phantom Units granted                hereunder shall vest on the anniversary of the Grant Date as                follows: |
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| Anniversary                of Grant                Date  | Cumulative Vested                Percentage  |
|--------------------------------------------------------------------|--------------------------------------------------------|
| prior                to 2nd anniversary                       | 0%                                                |
| on                2nd anniversary                             | 50%                                               |
| on                3rd anniversary                             | 100%                                              |

| 3. | **Events                Occurring Prior to Full Vesting**. |
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|   | (a) | **Death,                Disability or Retirement**.                If your employment with the Partnership or an Affiliate terminates                as a                result of your death, a disability that entitles you to benefits                under the                Partnership’s or an Affiliate’s long-term disability plan or on or after                you qualify for retirement, the Phantom Units then held by you                automatically will become fully vested upon such termination. As                used                herein, “retirement” means your termination of employment on or after age                65 other than for “cause,” as defined below, or your termination of                employment other than for cause, with the consent of the Committee,                on or                after reaching age 60. |
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|   | (b) | **Involuntary                Termination for Cause**.                If your employment with the Partnership is terminated by the Partnership                other than for cause, the Phantom Units then held by you automatically                will become fully vested upon such termination. As used herein, “cause”                shall have the meaning set forth in the employment or engagement                agreement                between a Participant and the Partnership or any Affiliate thereof,                if                such an agreement exists and contains a definition of cause; otherwise                cause shall mean (1) conviction of the Participant for committing                a felony                under federal law or the law of the state in which such action occurred,                (2) dishonesty in the course of fulfilling a Participant’s employment,                engagement or directorial duties, (3) willful and deliberate failure                on                the part of a Participant to perform the Participant’s employment,                engagement or directorial duties in any material respect or (4) such                other                events as shall be determined in good faith by the Committee. The                Committee shall, unless otherwise provided in an Award Agreement                or                employment agreement with the Participant, have the sole discretion                to                determine whether cause exists, and its determination shall be                final. |
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|   | (c) | **Other                Terminations**.                If your employment with the Partnership terminates for any reason                other                than as provided in Paragraphs 3(a) and (b) above, all unvested Phantom                Units then held by you automatically shall be forfeited without payment                upon such termination. |
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|   | (d) | **Change                of Control**.                All outstanding Phantom Units held by you automatically shall become                fully                vested upon a Change of Control. |
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| 4. | **Payment**.                As soon as administratively practicable after the date of the vesting                of a                Phantom Unit, the Partnership or an Affiliate shall pay you an amount                of                cash equal to the sum of the Fair Market Value of the Unit on the                vesting                date and the vested amount then credited to your tandem DER account,                less                any taxes the Partnership or the Affiliate is required to withhold                from                such payment. |
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| 5. | **Limitations                Upon Transfer**.                All rights under this Agreement shall belong to you alone and may                not be                transferred, assigned, pledged, or hypothecated by you in any way                (whether                by operation of law or otherwise), other than by will or the laws                of                descent and distribution and shall not be subject to execution,                attachment, or similar process. Upon any attempt by you to transfer,                assign, pledge, hypothecate, or otherwise dispose of such rights                contrary                to the provisions in this Agreement or the Plan, or upon the levy                of any                attachment or similar process upon such rights, such rights shall                immediately become null and void. |
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| 6. | **Binding                Effect**.                This Agreement shall be binding upon and inure to the benefit of                any                successor or successors of the Partnership and upon any person lawfully                claiming under you. |
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| 7. | **Entire                Agreement****.**                This Agreement constitutes the entire agreement of the parties with                regard                to the subject matter hereof, and contains all the covenants, promises,                representations, warranties and agreements between the parties with                respect to the Phantom Units granted hereby. Without limiting the                scope of                the preceding sentence, all prior understandings and agreements,                if any,                among the parties hereto relating to the subject matter hereof are                hereby                null and void and of no further force and effect. |
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| 8. | **Modifications**.                Except as provided below, any modification of this Agreement shall                be                effective only if it is in writing and signed by both you and an                authorized officer of the General                Partner. |
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| 9. | **Governing                Law**.                This                grant shall be governed by, and construed in accordance with, the                laws of                the State of Delaware, without regard to conflicts of laws principles                thereof. |
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**BOARDWALK      PIPELINE PARTNERS, L.P.**

**by      its general partner, Boardwalk GP, LP**

**by      its general partner, Boardwalk GP, LLC**

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