Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Sixth Revised Sheet No. 180 Sixth Revised Sheet No. 180

Superseding: Fifth Revised Sheet No. 180

RATE SCHEDULE HSP-1

Headstation Pooling Service

1. AVAILABILITY

1.1 This Rate Schedule is available to any person, corporation,

partnership or any other Party (hereinafter referred to as "Pooler")

for the aggregation of natural Gas supplies by Transporter when

Pooler and Transporter have executed an agreement under this Rate

Schedule HSP-1 ("Agreement").

2. APPLICABILITY AND CHARACTER OF SERVICE

2.1 This Rate Schedule shall apply to all services rendered by

Transporter for Pooler within a Pooling Area, pursuant to the

executed Agreement under this Rate Schedule HSP-1.

2.2 Transporter shall create Headstation Pools ("Pools") at locations

which Transporter determines in its reasonable discretion provide

reasonable Points for aggregation and further downstream

transportation. All Pooling Points shall be posted on Transporter's

Electronic Bulletin Board and Point(s) of Receipt available to each

Pool shall also be specified by Pool Area. Transporter shall give at

least 30 day's advance notice via Transporter's Electronic Bulletin

Board prior to modification of the scope of a Pooling Area.

2.3 Service under this Rate Schedule HSP-1 shall permit the Pooler to

Nominate and aggregate receipts of natural Gas quantities within a

Pooling Area to the related Pool for subsequent Redelivery to

designated Transportation Service Agreement(s) (Downstream

Agreement(s)) that are transporting such Gas from the Pool

aggregation point to Point(s) of Delivery on Transporter's

transmission system, or for Redelivery to another Pooling agreement

at the same Pool aggregation point. Additionally, a Pooler may

receive Gas from another Pooler's account at the same Pool

aggregation point. The scheduling and allocation of Pooled

quantities shall be determined by the priority of the Downstream

Agreement(s).

2.4 Pooler may Nominate natural Gas supplies from any designated

Point(s) of Receipt within the Pooling Area, or from another

Pooler's account in the same Pooling Area, in accordance with the

provisions of Section 6 of the General Terms and Conditions. Such

Nominated quantities shall be aggregated at the Pool and treated as

quantities received at a single Receipt Point for Downstream

Shipper(s) Nominating quantities of Gas from the Pool for downstream

Transportation, or for use in another Pool account in the same

Pooling Area.