Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 05/01/2010, Docket: RP10-567-000, Status: Effective

First Revised Sheet No. 192 First Revised Sheet No. 192

Superseding: Original Sheet No. 192

RATE SCHEDULE FSS

FIRM STORAGE SERVICE

(continued)

6. INJECTION AND WITHDRAWAL SCHEDULES (continued)

(b) The Maximum Monthly Withdrawal Quantity during any Month

during the Withdrawal Period shall equal the lesser of (i)

Shipper's Working Gas Quantity as of the first Day of such

Month and (ii) 40% of Shipper's Working Gas Quantity as of

November 1.

Withdrawal Period shall equal the lesser of (i) Shipper's

Working Gas Quantity as of the beginning of such Day and

(ii) the Maximum Deliverability Quantity, provided that:

(i) If Shipper's Working Gas Quantity on any Day is less

than 50% but 40% or more of the Maximum Storage

Quantity, then the Maximum Daily Withdrawal Quantity

shall be 85% of the Maximum Deliverability Quantity;

(ii) If Shipper's Working Gas Quantity on any Day is less

than 40% but 20% or more of the Maximum Storage

Quantity, then the Maximum Daily Withdrawal Quantity

shall be 70% of the Maximum Deliverability Quantity;

and

(iii) If Shipper's Working Gas Quantity on any Day is less

than 20% of the Maximum Storage Quantity, then the

Maximum Daily Withdrawal Quantity shall be 55% of the

Maximum Deliverability Quantity.

7. DEFINITIONS:

7.1 Storage Points of Injection shall mean the points on Transporter's

system where Transporter receives Gas for storage for the account

of Shipper. Shipper's designation shall be on an aggregate, not a

specific field, basis.

7.2 Storage Points of Withdrawal shall mean the points on

Transporter's system where Transporter tenders Gas withdrawn from

storage for the account of Shipper. Shipper's designation shall

be on an aggregate, not a specific field, basis except as provided

in Section 2.9 of this Rate Schedule.