Puget Sound Energy, Inc.

Original Volume No. 1

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

Original Sheet No. 57 Original Sheet No. 57 : Effective

Majeure as defined in ARTICLE 10, each Owner's entitlement to

Storage Service shall be based on such Owner's proportionate

Storage Service Rights in Project Firm Injection Capability,

Project Firm Withdrawal Deliverability and Project Firm Working

Gas Capacity.

7.10 Cycling of Working Gas

During any Storage Cycle, withdrawals by an Owner of Owner's

Working Gas Inventory may be replaced by such Owner both to

maintain such Owner's Firm Withdrawal Deliverability and to

restore the Owner's Available Working Gas Inventory (the procedure

known as "Cycling"); provided, however, that Owner's Working Gas

Inventory injected to a level exceeding the level of the Seasonal

Working Gas Quantity of such Owner for such Storage Cycle shall

not increase the Seasonal Working Gas Quantity for the current

Storage Cycle.

7.11 Gas Quality Specifications

All natural gas which passes through the Storage Project must

conform to Northwest's FERC gas tariff. When Northwest requests

changes to the gas quality specifications in Northwest's FERC gas

tariff, Northwest will immediately notify each other Owner and the

Project Operator of such changes.

7.12 Interruptible Working Gas Inventory

If and when any portion of the Interruptible Working Gas Capacity

being utilized by an Owner for its Interruptible Working Gas

Inventory is needed by the Project Operator to schedule injection

nominations within another Owner's Firm Working Gas Capacity or to

schedule injection nominations for Northwest System Balancing,

such Owner shall be required to (i) concurrently nominate

withdrawals of its Interruptible Working Gas Inventory in

quantities equal to said injection nominations or (ii) if agreed

by another Owner, schedule an In Field Transfer.