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. 292 First Revised Sheet No. 292

Superseding: Original Sheet No. 292

RATE SCHEDULE USS

UNBUNDLED SALES SERVICE

(continued)

6. CURTAILMENT (continued)

supplemental volumes as Seller determines the situation to

require. The customer must promptly take all reasonable steps to

eliminate the cause of the emergency and accept reduced sales

after the emergency to offset the supplemental sales.

(j) Seller shall be relieved of all liabilities, penalties, charges,

payments, price adjustments, alternate fuel subsidizations and

claims of whatever kind, contractual and otherwise, resulting from

or arising out of Seller's failure to sell all, or any portion of,

the volumes of gas desired by any particular customer or customers

to the extent that such failure results from Seller's

implementation of this curtailment plan in accordance with its

provisions and/or applicable regulatory orders, notwithstanding

inconsistent provisions in sales contracts, jurisdictional and

non-jurisdictional, heretofore entered into.

(k) Until the reserves available to Seller's system are substantially

augmented, Seller will husband its existing gas supply by

regulating its receipts from connected sources so as to receive

gas at rates reasonably calculated to permit the maximum

utilization of the reserves for the benefit of Seller's human

needs customers over the longest possible period of time.

(l) All surplus gas sales deliveries are to be discontinued completely

before contract service to the above listed priorities is

curtailed.

(m) A pipeline customer's storage injection requirements will be

deemed to be the next average amount by which deliveries to

storage exceeded withdrawals from storage during the three-year

period ending September 30, 1971.

(n) Seller will in any event sell sufficient volumes of natural gas to

firm customers:

(i) to respond to emergency situations (including environmental

emergencies) during periods of curtailment where additional

supplies are