Discovery Gas Transmission LLC

Original Volume No. 1

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

First Revised Sheet No. 231 First Revised Sheet No. 231

Superseding: Original Sheet No. 231

FORM OF SERVICE AGREEMENT

APPLICABLE TO FIRM TRANSPORTATION

SERVICE UNDER FT-2 RATE SCHEDULE

EXHIBIT D

To The FT-2

Transportation Service Agreement

Dated _______________

Between Discovery Gas Transmission LLC

And _________________

Committed Production Shippers Working Proven Reserves

Lease(s) Interest Percentage (Bcf)

_____________________ ______________________ ______________

_____________________ ______________________ ______________

Effective Date of this Exhibit D: _____________________

Supersedes Exhibit D Effective: _____________________

______________________________ Discovery Gas Transmission LLC

[Shipper]

By: _______________________ By: ________________________

Name: ________________________ Name: _________________________

Title: _______________________ Title: ________________________

Date: _______________________ Date: ________________________