Michigan Gas Storage Company

First Revised Volume No 1

Effective Date: 12/01/1999, Docket: RP00- 33-000, Status: Effective

First Revised Sheet No. 36 First Revised Sheet No. 36 : Superseded

Superseding: Original Sheet No. 36

FORM OF SERVICE AGREEMENT

(For Use Under MGS's Rate Schedule IS)

(continued)

Contract Number ____________

THIS AGREEMENT entered into this _______ day of (mo)______________ ,

(Yr)____ , by and between MICHIGAN GAS STORAGE COMPANY, ("MGS") and

__________________________________ , hereinafter referred to as

("Buyer"),

W I T N E S S E T H

WHEREAS, Buyer has requested MGS to store Gas on its behalf on an

interruptible basis; and,

WHEREAS, MGS may have capacity available on an interruptible basis from

time to time to perform the service for the benefit of Buyer.

NOW, THEREFORE, MGS and Buyer agree as follows:

ARTICLE I

GAS STORAGE SERVICE

1. MGS's service hereunder shall be subject to receipt of all requisite

regulatory authorizations from the Federal Energy Regulatory

Commission ("FERC"), or any successor regulatory authority, in a

manner and form acceptable to MGS.

2. Subject to the terms and provisions of this Service Agreement and of

MGS's Rate Schedule IS, Buyer agrees to deliver or cause to be

delivered to MGS Gas for storage and MGS agrees to receive and store

Gas for the account of Buyer, on an interruptible basis, the

following quantities:

Maximum Storage Quantity (MSQ)_____ dth

Maximum Daily Injection Quantity (MDIQ) _____ dth per day

Maximum Daily Withdrawal Quantity (MDWQ)_____ dth per day

ARTICLE II

TERM OF AGREEMENT

This agreement shall be effective as of (mo)__________ , (yr)_____and

shall remain in force and effect through (mo)__________ , (yr)______.

Buyer agrees that the expiration of such term shall constitute Buyer's

acceptance of the abandonment of such service.

ARTICLE III

RATE SCHEDULE AND PRICE

1. Buyer shall pay MGS for Service provided to Buyer hereunder in

accordance with MGS's Rate Schedule IS and the applicable provisions

of the General Terms and Conditions of MGS's F.E.R.C. Gas Tariff as

filed with the Federal Energy Regulatory Commission as the same may

be amended or superseded from time to time. Such Rate Schedule and

General Terms and Conditions are by this reference made a part

hereof.