Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

Effective Date: 11/01/2008, Docket: RP08-641-000, Status: Effective

FIRST REVISED SHEET NO. 48A FIRST REVISED SHEET NO. 48A

Superseding: ORIGINAL SHEET NO. 48A

Transportation

Factor = The applicable zonal allocation factors

are as follows:

Non-Eastchester Zone 1 = .6723 x (1 – Eastchester Adjustment)

Non-Eastchester Zone 2 = .3277 x (1 – Eastchester Adjustment)

Eastchester Zone 1 =

Eastchester Zone 1 Dth-mile Forecast

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(Eastchester Zone 1 + Eastchester Zone 2 Dth-mile Forecast)

x Eastchester Adjustment

Eastchester Zone 2 =

Eastchester Zone 2 Dth-mile Forecast

---------------------------------------------------------

(Eastchester Zone 1 + Eastchester Zone 2 Dth-mile Forecast)

x Eastchester Adjustment

Backhaul = 0%

(1350 x (ECF)^2) + (7 x ECF)

Eastchester Adjustment = ----------------------------------

(1400 x (ECF)^2) + (55 x ECF) + 2.5

Where ECF = Eastchester Billion Dth-miles Forecast

For the purposes of this Section 2.27, the term “Eastchester

Shipper” shall apply to any Shipper who moves gas on the

Eastchester Expansion, Market Access Expansion, or 08/09

Expansion. A Shipper will be deemed to move gas on the

Eastchester Expansion, Market Access Expansion, or 08/09

Expansion if the nomination or contract requires the piping or

mainline compression installed as part of the Eastchester

Expansion, Market Access Expansion, or 08/09 Expansion.

Eastchester Shippers are:

1. Shippers nominating under an RTS contract with

Hunts Point specified as a Primary Delivery Point, regardless

of the nominated Delivery Point.