Rockies Express Pipeline LLC (Entrega)

Second Revised Volume No. 1

Effective Date: 04/05/2010, Docket: RP10-474-000, Status: Effective

Original Sheet No. 94 Original Sheet No. 94

RATE SCHEDULE IBS (continued)

7.2 Unauthorized Overrun Service. During periods for which Transporter

has declared a Directional Notice, Critical Time or Unilateral

Action phases of Transporter's Operational Control Sequence, as

defined in Section 36 of the General Terms and Conditions of this

Tariff during which interruptible services, such as IBS are not

available, any Overrun Service hereunder shall be "Unauthorized

Overrun Service." For Unauthorized Overrun Service Shipper shall

pay Transporter an Unauthorized Overrun Service Charge. Such

Unauthorized Overrun Service Charge shall equal the amount of Gas in

Dth received by Shipper at the Delivery Point designated under an

IBS Agreement, which exceeds Shipper's Nomination on any Day under

the associated transportation Agreement, multiplied by two (2) times

the daily index price for the Day on which the Unauthorized Overrun

occurred, as published in "ICE Day Ahead Natural Gas Price Report,"

under the "Avg" column for the locations listed below:

Location of Delivery Point:

Pipeline West or South ICE

Segment East of: of & Including: Index

600-650

100-120 Wamsutter CIG

Mainline

130-160 Wamsutter Cheyenne Cheyenne

Hub

200-290 Cheyenne PEPL-Audrain Demarc

County,MO

300-320 PEPL IL / IN Chicago

Border city-gates

330-390 IL/IN Clarington Clarington

Border