Amendment To Service Agreement #904480

EXHIBIT 10.34


AMENDATORY AGREEMENT


This Amendment is entered into this 1/st/ day of March, 2000, between Southern Natural Gas Company ("Company") and Atlanta Gas Light Company ("Shipper").


WITNESSETH


WHEREAS, Company and Shipper are parties to Firm Transportation Service Agreement(s) (collectively referred to as "Contract FSNG269") for the following Transportation Demands and effective dates under the indicated Rate Schedule(s) of Company's FERC Gas Tariff, Seventh Revised Volume No. 1:


- ------------------------------------------------------------------------- Original Package Rate Transportation Effective Primary Contract Number Schedule Demand Date Term Number (Mcf/day) - ------------------------------------------------------------------------- 904480 1 FT 5,173 11/1/1994 2/28/2001 - ------------------------------------------------------------------------- 904481 1 FT-NN 6,764 11/1/1994 2/28/2001 - -------------------------------------------------------------------------


WHEREAS, Company and Shipper are also parties to a Firm Contract Storage Service Agreement (referred to as "Contract SSNG183") for the following Maximum Storage Quantity ("MSQ") and Maximum Daily Withdrawal Quantity ("MDWQ") for the effective dates shown under Rate Schedule CSS of Company's FERC Gas Tariff, Seventh Revised Volume No. 1:


- ------------------------------------------------------------------- Original Package MSQ MDWQ Effective Primary Contract Number (Mcf/day) (Mcf/day) Date Term Number - ------------------------------------------------------------------- S20140 1 334,977 6,764 10/30/1998 2/29/2001 - -------------------------------------------------------------------


WHEREAS, Shipper has chosen to support Company's rate case settlement filed with the Federal Energy Regulatory Commission ("FERC") on March 10, 2000, in Docket Nos. RP99-496-000 and RP99-496-001 ("Settlement") in order to receive the benefit of the lower settlement rates effective March 1, 2000, and the other benefits set forth in the settlement, in exchange for contract extensions of the above-referenced firm contract(s) for the period(s) specified herein;


NOW, THEREFORE, in consideration of the premises and the mutual benefits and covenants contained herein, the parties agree as follows:


1. The primary term(s) set forth in Section 4.1 of each firm Service Agreement
below is hereby amended to extend the primary term(s) as follows:


- --------------------------------------------------------------------------------
Original Package Rate Transportation Effective Extended
Contract Number Schedule Demand or Date Primary
Number MSQ Term
(Mcf/day) - --------------------------------------------------------------------------------
904480 1 FT 5,173 11/1/1994 10/31/2005 - --------------------------------------------------------------------------------
904481 1 FT-NN 6,764 11/1/1994 10/31/2005 - --------------------------------------------------------------------------------
S20140 1 CSS 334,977 10/30/1998 10/31/2005 - --------- ...