El Paso Natural Gas Company

Second Revised Volume No. 1A

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Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Fifth Revised Sheet No. 145C Fifth Revised Sheet No. 145C

Superseding: Fourth Revised Sheet No. 145C

RATE SCHEDULE NNTH

No-Notice Transportation Service - Hourly

(Continued)

2. APPLICABILITY AND CHARACTER OF SERVICE (Continued)

2.5 (c) Shippers may contract for enhanced hourly firm transportation

service separately with a summer or winter contract, or

jointly to create an annual contract of service ("NNTH-A").

In addition, an annual contract may be for twelve months or

longer.

(d) Unless otherwise agreed, Shipper's Delivery Point MDQ for a

winter, summer, or annual contract shall remain the same

throughout each season, each season within the annual contract,

or for the annual period.

(e) Maximum rate enhanced hourly firm transportation service that

is contracted for a winter contract or summer contract for a

term of more than one Year, or as an annual contract as

described in Section 2.5(c) of this rate schedule, is eligible

for a regulatory right-of-first-refusal pursuant to Section

4.14 of the GT&C.

2.6 The following enhanced hourly transportation service options are

available under this Rate Schedule NNTH. Rate Schedule NNTH service

options must be contracted separately.

(a) Three Hour Enhanced Peaking Service "NNTH-3." Subject to the

limitation that gas quantities taken at a Delivery Point may

not exceed the MDQ at such point, on any Gas Day, Shipper may

take gas quantities at such point at a rate equivalent to:

(i) up to 150% of 1/24th of the daily scheduled quantity at

such point for up to five hours in the Gas Day subject to

the limit that no more than three such hours may be

consecutive hours in the Gas Day; however, no one hour in

the Gas Day may exceed 150% of 1/24th of the daily

scheduled quantity; and

(ii) up to an average of 130% of 1/24th of the daily scheduled

quantity at such point for up to nine hours in the Gas

Day subject to the limit that no more than six such hours

may be consecutive hours in the Gas Day; however, no one

hour in this period may exceed 150% of 1/24th of the

daily scheduled quantity; and