Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 09/01/1993, Docket: RS92- 25-001, Status: Effective

Original Sheet No. 75 Original Sheet No. 75 : Effective

RATE SCHEDULE ISS (Continued)

INTERRUPTIBLE STORAGE SERVICE

3. RATES

The rates and charges for interruptible service under this

Rate Schedule ISS shall be as follows:

3.1 Monthly Inventory Charge

The monthly Inventory Charge shall be the product of

the average daily ISS Stored Volume for the Month and

the inventory rate per Dt as set forth on the effective

Tariff Sheet No. 12.

3.2 Injection Charge

The Injection Charge shall be the product of the

Quantity of Gas actually received from Shipper and

injected into storage during the Month and the

injection rate per Dt as set forth on the effective

Tariff Sheet No. 12.

3.3 Withdrawal Charge

The Withdrawal Charge shall be the product of the

Quantity of Gas actually withdrawn from storage and

delivered to Shipper during the Month and the

withdrawal rate per Dt as set forth on the effective

Tariff Sheet No. 12.

3.4 Range of Rates

Unless otherwise agreed to in writing between Shipper

and Trunkline, any rate applicable to Shipper for

service hereunder shall be the applicable Maximum Rate

set forth on the effective Tariff Sheet No. 12, plus

all surcharges specified in the General Terms and

Conditions, as may be applicable from time to time.

If an amount less than the applicable Maximum Rate and

not less than the applicable Minimum Rate is agreed

upon, such amount shall be applied prospectively.

Trunkline shall be responsible for compliance with any

reporting requirements prescribed by the Commission.

Trunkline shall not be required to enter into any

Service Agreement for Storage service at a rate less

than the Maximum Rate per Dt.