Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 03/01/2001, Docket: RP01-216-000, Status: Effective

Fourth Revised Sheet No. 132 Fourth Revised Sheet No. 132 : Effective

Superseding: Third Revised Sheet No. 132

GENERAL TERMS AND CONDITIONS

(Continued)

Section 13.1(b)(i) (continued)

(i) an allocation by the operator of the facilities immediately

upstream of COMPANY'S Receipt Point which allocates each

working interest owner's gas to be delivered at the Receipt

Point on each day of transportation service based on one

of the following methods:

(A) Percentage PDA;

(B) Pro rata PDA;

(D) Swing PDA;

(E) OPV PDA; or

(F) Any other mutually agreeable allocation methodology.

(ii) a ranking by each working interest owner of the various

transportation Service Agreements and Supply Pool Balancing

Agreements (collectively referred to herein as "Service

Agreements") supplied by said owner's share of gas production

at the Receipt Point for each day of transportation service

The working interest owner shall rank the Service Agreements

to receive its gas supplies based on one of the following

methods:

(A) Pro rata PDA;

(B) Ranked PDA;

(D) Swing PDA;

(E) OPV PDA; or

(F) Any other mutually agreeable allocation methodology.

Rankings shall include the contract number assigned by

COMPANY to each Service Agreement and the name of the

SHIPPER thereunder.