El Paso Natural Gas Company

Second Revised Volume No. 1A

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

Third Revised Sheet No. 128A Third Revised Sheet No. 128A

Superseding: Second Revised Sheet No. 128A

RATE SCHEDULE FDBS

Firm Daily Balancing Service

(Continued)

2. APPLICABILITY AND CHARACTER OF SERVICE

2.2 Except as otherwise provided in this Tariff, at each Delivery Point,

hourly quantities delivered, or caused to be delivered, for Shipper's

account shall not exceed 1/24th of Shipper's daily scheduled

quantities at such point.

2.3 Firm daily balancing service hereunder shall consist of:

(a) Transporter retaining nominated and confirmed Natural Gas

quantities on Transporter's pipeline system ("Bank") at the

Delivery Points specified in the Executed FDBS TSA up to the

FDBS TSA MDQ for each point; and

(b) Transporter delivering nominated and confirmed Natural Gas

quantities, after appropriate reductions as provided for in

this Rate Schedule, to Delivery Points specified in the

Executed FDBS TSA ("Draw") up to the FDBS TSA MDQ for each

point.

a Shipper's Maximum Inventory Amount.

(i) Maximum Inventory Amount is the maximum quantity a

Shipper can Bank or Draw at a Delivery Point. The

Maximum Inventory Amount is calculated as the difference

between the FDBS TSA MDQ at a Delivery Point and the sum

of the accumulated end-of-day balances at such point.

2.4 Service options pursuant to this Rate Schedule may be purchased as

follows:

(a) Winter contract ("FDBS-W"); firm daily balancing service is

available for the five consecutive Months during the November

through March winter period. FDBS-W contracts may be for a

term of multiple Years.

(b) Summer contract ("FDBS-S"); firm daily balancing service is

available for the seven consecutive Months during the April

through October summer period. FDBS-S contracts may be for a

term of multiple Years.

separately with a summer or winter contract, or jointly to

create an annual contract for service ("FDBS-A"). In addition,

an annual contract may be for twelve months or longer.