ANR Pipeline Company

Second Revised Volume No. 1

Effective Date: 11/01/2006, Docket: RP06-613-000, Status: Effective

Second Revised Sheet No. 56 Second Revised Sheet No. 56 : Effective

Superseding: Substitute First Revised Sheet No. 56

RATE SCHEDULE MBS

Market Balancing Service

(Continued)

Point(s), by a quantity less than the sum of its receipts for

Transportation to such delivery Point(s) under its MBS Supply

Transportation, so long as such quantity does not exceed the

nominated injection quantity. To effectuate such service,

Transporter shall maintain an MBS Storage Account for Shipper.

(b) Transportation, injection and withdrawal under this Rate

Schedule shall be interruptible.

the General Terms and Conditions of this Tariff, the quantities

described in Sections 3.1(a), (b) and (c), below. If

Transporter does not confirm any nomination, such nomination

shall be deemed to be zero for billing purposes.

3. CHARGES

Each Month Shipper shall pay to Transporter the following charges:

3.1 (a) The Daily Delivery Rate which is shown on Sheet No. 11,

multiplied by each Dekatherm of (1) confirmed nomination

for the MBS withdrawal quantity and (2) residual

quantities, up to the Swing Percentage, allocated as

Transportation pursuant to Section 14.1(a)(1) of the

General Terms and Conditions of this Tariff; plus

(b) The Daily Delivery Rate which is shown on Sheet No. 11,

multiplied by each Dekatherm of (1) confirmed nomination

for the MBS injection quantity and (2) residual quantities,

up to the Swing Percentage, allocated as Transportation

pursuant to Section 14.1(a)(1) of the General Terms and

Conditions of this Tariff; plus

maximum confirmed nomination of the MBS maximum storage

quantity reserved; plus

(d) The Commodity Rate shown on Sheet No. 11 for allocated

quantities for Transportation to or from storage, excluding

the quantities allocated as MBS Overrun Quantity pursuant

to Section 3.3.