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

Sixth Revised Sheet No. 303 Sixth Revised Sheet No. 303

Superseding: Fifth Revised Sheet No. 303

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

11. SYSTEM OPERATIONAL PARAMETERS

11.1Strained and Critial Operating Condition Procedures (Continued)

(b) Critical Operating Condition (Continued)

(viii)(C) The COC Daily Imbalance Charge for the first Gas Day of

an Emergency COC, as defined in Section 11.1(b)(v)

above, will be determined by multiplying the daily

imbalance quantity in excess of 3% of scheduled

quantities or 2,000 dth, whichever is greater, by the

Critical Condition Rate. Such charge for the subsequent

Gas Day(s), if any, of an Emergency COC event will be

determined by multiplying the total daily imbalance

quantity by the Critical Condition Rate, as set forth in

Section 1.10A of the GT&C.

(D) The COC Daily Imbalance Charge for a non-Emergency COC

will be determined by multiplying the total daily

imbalance quantity by the Critical Condition Rate.

(E) Pursuant to the Statement of Rates, the COC Daily

Imbalance Charge shall be determined based on the

applicable delivery variance quantity or the delivery

variance percentage. The charge assessed shall be

determined based on a factor of the Critical Condition

Rate, pursuant to Section 1.10A of the GT&C.