Puget Sound Energy, Inc.

Original Volume No. 1

Effective Date: 11/01/1998, Docket: CP98-250-002, Status: Effective

Original Sheet No. 14 Original Sheet No. 14 : Effective

1.21 Interruptible Withdrawal Deliverability

"Interruptible Withdrawal Deliverability" of an Owner means the

right of such Owner to receive natural gas, on a daily nonfirm and

non-best efforts basis, from the Storage Project. The Project

Interruptible Withdrawal Deliverability for a Day shall be

allocated among the Owners, up to their respective nominations of

Interruptible Withdrawal Deliverability as follows:

(1) First to Northwest for Northwest System Balancing;

(2) Then to all Owners, in proportion to their respective Shares

of Project Firm Withdrawal Deliverability, except that any

allocation to Northwest under this (2) shall be decreased by the

amount allocated to Northwest pursuant to (1) above.

1.22 Interruptible Working Gas Capacity

"Interruptible Working Gas Capacity" of an Owner means that

quantity of Project Interruptible Working Gas Capacity that such

Owner can nominate for storage of natural gas, on a daily nonfirm

basis, in the Storage Project that exceeds such Owner's Share of

Project Firm Working Gas Capacity. The Project Interruptible

Working Gas Capacity for a Day shall be allocated among the

Owners, up to their respective nominations of Interruptible

Working Gas Capacity, as follows:

(1) First to Northwest for Northwest System Balancing;

(2) Then to all Owners, in proportion to their respective shares

of Project Firm Working Gas Capacity, except that any allocation

to Northwest under this (2) shall be decreased by the amount

allocated to Northwest pursuant to (1) above; and

(3) The sum of Interruptible Working Gas Capacity allocated to

all Owners, except Northwest, cannot exceed the amount by which

the Firm Working Gas Capacity of all Owners, except Northwest,

exceeds the Working Gas Inventories of all Owners, except

Northwest.