Discovery Gas Transmission LLC

Original Volume No. 1

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Effective Date: 05/01/2010, Docket: RP10-539-000, Status: Effective

Third Revised Sheet No. 209 Third Revised Sheet No. 209

Superseding: Second Revised Sheet No. 209

FORM OF SERVICE AGREEMENT

APPLICABLE TO FIRM TRANSPORTATION

SERVICE UNDER FT-1 RATE SCHEDULE

EXHIBIT B

To The FT-1

Transportation Service Agreement

Dated ________________

Between Discovery Gas Transmission LLC

And _________________

Delivery Maximum

Pressure(s) Daily Quantity

Primary Delivery Points (PSIG)* (Dt)** (%)

[Mainline if applicable]

________________________ ________ ________ ____

________________________ ________ ________ ____

[Expansion *** if applicable]

_____________________________ ________ ________ ____

_____________________________ ________ ________ ____

[Shipper's Maximum Daily Reservation Quantity (MDRQ-Mainline):______________]

[Shipper's Maximum Daily Reservation Quantity (MDRQ-Expansion):_____________]

*Necessary pressure to deliver Gas from the Mainline Facilities or Expansion

Facilities, as appropriate, on Transporter's System, not in excess of.

**Discovery's obligation to deliver Gas on the Mainline Facilities for a

Shipper is net of any shrinkage of the Shipper's Gas as a result of the

processing performed on the Gas prior to its delivery by Discovery.

[***Delivery to the Transco delivery point is subject to Transporter's lease

of capacity from Texas Eastern Transmission, LP.]

Effective Date of this Exhibit B: _____________________

Supersedes Exhibit B Effective: _____________________

______________________________ Discovery Gas Transmission LLC

[Shipper]

By: _______________________ By: ________________________

Name: ________________________ Name: _________________________

Title: _______________________ Title: ________________________

Date: _______________________ Date: ________________________