Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

Effective Date: 11/29/2009, Docket: RP09-558-000, Status: Effective

First Revised Sheet No. 410 First Revised Sheet No. 410

Superseding: Original Sheet No. 410

GENERAL TERMS AND CONDITIONS

(Continued)

20. POLICY FOR CONSTRUCTION OF INTERCONNECT FACILITIES (Continued)

20.7 (c) If Seller is unable to fully collect all costs associated with the

interconnect facilities from the requesting party, Seller will not seek to

recover such costs from other Buyers in future rate proceedings.

20.8 Interconnect Agreement. The terms governing the liabilities of the parties and the

design, construction, ownership, operation and maintenance of, and payment for, the

interconnect facilities shall be set forth in an interconnect agreement between

Seller and the requesting party.

20.9 Waiver. Seller reserves the right to seek a waiver of any of these provisions, for

good cause shown.

21. RATE ZONES

21.1 Gas service under this tariff is divided into eight zones:

Zone 1 includes all of Seller's system located at or upstream of the discharge side

of Compressor Station No. 30, including Seller's mainline and Seller's McMullen,

Padre Island and Central Texas Gathering System Laterals.

Zone 2 includes all of Seller's facilities located downstream of the discharge side

of Compressor Station No. 30 up to and including the discharge side of Compressor

Station No. 45, including Seller's Southwest Louisiana Gathering System, North High

Island System and Seller's facilities upstream or in the vicinity of the High Island

Offshore System and the U-T Offshore System.

Zone 3 includes all of Seller's facilities located downstream of the discharge side

of Compressor Station No. 45 up to and including the discharge side of Compressor

Station No. 65, including Seller's Central Louisiana Gathering System and Southeast

Louisiana Gathering System.

Zone 4 includes all of Seller's facilities located downstream of the discharge side

of Seller's Compressor Station No. 65 up to the Georgia-South Carolina State Boundary

excluding all of Seller's facilities located in Zone 4A.

Zone 4A includes all of Seller's facilities located on the Mobile Bay Lateral

downstream of the suction side of Compressor Station No. 82 to an interconnection

with Transco's main line near Butler in Choctaw County, Alabama.

Zone 4B includes all of Seller's facilities on the Mobile Bay Lateral extending from

Main Pass Block 261, East Addition, Offshore Alabama to Compressor Station No. 82.

Zone 5 includes the area between the Georgia-South Carolina State Boundary and the

Virginia-Maryland State Boundary.

Zone 6 includes the area between the Virginia-Maryland State Boundary and the termini

of Seller's system in the New York Metropolitan Area.

21.2 The Rate Schedules FDLS and IDLS delivery laterals are as follows: