Puget Sound Energy, Inc.

Original Volume No. 1

Effective Date: 09/30/2008, Docket: RP08-597-000, Status: Effective

Original Sheet No. 139 Original Sheet No. 139

EXHIBIT F

(revised August 29, 2008 pursuant to Amendment No. 9)

to the

JACKSON PRAIRIE

GAS STORAGE PROJECT AGREEMENT

OPERATING RULES

Part 1: The Seasonal Working Gas Quantity for an Owner during any Storage

Cycle is the least of:

a) The quantity of Owner's Working Gas Inventory at the

beginning of such Storage Cycle divided by 0.97; or

b) The least quantity of Owner's Working Gas

Inventory at any time after August 31st and on or before

September 30th of the preceding Storage Cycle divided by

0.80; or

c) The least quantity of Owner's Working Gas Inventory at

any time after June 30th and on or before September 30th of

the preceding Storage Cycle divided by 0.35; or

d) The Owner's Firm Working Gas Capacity.

Part 2: The Firm Withdrawal Deliverability of an Owner on any Day is as

follows:

a) When the Owner's Available Working Gas Inventory at

the start of the Gas Day equals or exceeds 60% of the

Owner's Firm Working Gas Capacity, the Firm Withdrawal

Deliverability of such Owner shall be 100% of the maximum

Firm Withdrawal Deliverability set forth for that Owner on

Exhibit E.

b) When the Owner's Available Working Gas Inventory

at the start of the Gas Day is less than 60% but greater

than 15% of the Firm Working Gas Capacity of such Owner, the

Firm Withdrawal Deliverability of such Owner shall be

reduced by 2.0% of the maximum Firm Withdrawal

Deliverability set forth for that Owner on Exhibit E for

every 1% that the Available Working Gas Inventory for the

account of that Owner is below 60% of the Firm Working Gas

Capacity of such Owner.

c) When the Owner's Available Working Gas Inventory at the

start of the Gas Day is equal to or less than 15% of the

Owner's Firm Working Gas Capacity, the Firm Withdrawal

Deliverability shall be reduced to 10% of the maximum Firm

Withdrawal Deliverability set forth for that Owner on

Exhibit E; provided that when the Available Working Gas

Inventory of such Owner is zero, the Firm Withdrawal

Deliverability of such Owner shall be zero.