Williams Natural Gas Company

Second Revised Volume No. 1

Effective Date: 04/01/1997, Docket: RP96-387-000, Status: Effective

First Revised Sheet No. 103 First Revised Sheet No. 103 : Superseded

Superseding: Substitute Original Sheet No. 103

TSS RATE SCHEDULE

Trans-Storage Service

TSS-P Production Area

TSS-M Market Area

2. APPLICABILITY AND CHARACTER OF SERVICE (Cont'd)

(d) Any Shipper under this rate schedule shall specify a MDTQ by area

in the executed Trans-Storage Service Agreement. When Shipper

requires deliveries at its MDTQ, or during system-wide periods of

daily balancing as defined in Article 9.3, at least one-third of

but no more than one-half of the total deliveries of gas shall be

from flowing supply sources and at least one-half of but no more

than two-thirds of the total deliveries of gas shall be from

storage. Shippers under Rate Schedule TSS-M shall have

transportation quantity rights in the market area equal to the MDTQ

of the service agreement, firm storage withdrawal rights equal to

at least one-half of but no more than two-thirds of the MDTQ of the

service agreement, and transportation quantity rights in the

production area (if applicable) equal to no more than one-half of

the MDTQ of the service agreement (plus all fuel and loss in the

market area). Shippers under Rate Schedule TSS-P shall have

transportation quantity rights in the production area equal to the

MDTQ under the service agreement and firm storage withdrawal rights

equal to at least one-half of but no more than two-thirds of the

MDTQ under the service agreement.

3. RATE

(a) Shipper shall agree to pay for all services rendered under the

executed Trans-Storage Service Agreement in accordance with this

Rate Schedule TSS, or any superseding rate schedule(s) applicable

to such service, as filed with the Federal Energy Regulatory

Commission or its successor, and as may be lawfully revised from

time to time. The initial rates and all subsequent revisions to

such rates shall be provided in writing to Shipper by WNG.