El Paso Natural Gas Company

Second Revised Volume No. 1A

Effective Date: 05/01/2008, Docket: RP05-422-028, Status: Effective

Original Sheet No. 150H Original Sheet No. 150H

RATE SCHEDULE OPAS

Operator Point Aggregation Service

(Continued)

6. MDO/MHO QUANTITY REDUCTIONS (Continued)

6.5 (a) (Continued)

(i) If the calculation of revised MDO quantities for all

affected locations would result in an allocation to one

or more meters that exceeds the pre-existing MDO

quantities for such meter(s), all quantities exceeding

the pre-existing MDO quantities shall be allocated to

the meter(s) experiencing the reduction in MDOs.

Should two or more meters experience a reduction in

MDOs, such excess quantities shall be allocated pro

rata, based on the pre-existing MDO amounts associated

with meters experiencing a reduction.

(ii) Transporter shall post examples of the reduction

methodology set forth in Section 6.5(a) of this Rate

Schedule on its EBB and such examples shall remain

posted for the duration of the effectiveness of this

Section 6.5. The examples provided on the EBB will

initially be identical to those submitted as Exhibit A

of Transporter's pleading filed on February 29, 2008 in

Docket No. RP05-422-024 and will be supplemented as

required over time.

(b) Transporter shall: 1) advise each affected DP Operator(s) of

the reduced MDO/MHO quantities in writing, 2) provide

workpapers detailing the reduction process to the affected DP

Operator(s), and 3) post the new MDO/MHO quantities on its

EBB. The EBB posting shall be deemed to revise the existing

OPASA between each affected DP Operator and Transporter and

the new MDO/MHO quantities shall become effective no earlier

than the fifth Business Day following the posting.

quantities, it may terminate the OPASA upon three Business

Days written notification to Transporter and schedule

transportation service to individual meters without using the

previously effective D-Code, beginning on the first Day of

the Month following the termination notification.

7. GENERAL TERMS AND CONDITIONS

Except as otherwise expressly indicated in this Rate Schedule or by

the OPASA, all of the GT&C contained in this Tariff, including (from and

after their effective date) any future modifications, additions or

deletions to said GT&C, are applicable to the service rendered under this

Rate Schedule and, by this reference, are made a part hereof.