Williams Natural Gas Company

Second Revised Volume No. 1

Effective Date: 10/01/1993, Docket: RS92- 12-003, Status: Effective

Original Sheet No. 136 Original Sheet No. 136 : Superseded

ISS RATE SCHEDULE

Interruptible Storage Service

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

(d) Storage Service under this rate schedule shall be subject to

reduction or interruption as provided in Article 9 of the General

Terms and Conditions and pursuant to Rate Schedules TSS, STS, and

FSS.

3. INJECTIONS AND WITHDRAWALS

(a) Each Shipper shall submit injection and withdrawal nominations,

pursuant to Article 9 of the General Terms and Conditions of this

Tariff.

(b) Injections and withdrawals may be made on an interruptible basis.

owns and which is available for withdrawal.

(d) Shipper must be prepared to remove gas from storage within a

reasonable period, as negotiated by the parties, but in no event

greater than 45 days after notice from WNG to remove such

quantities. If gas is not removed or sold in place in such

period, WNG will keep the gas and apply it as credit to the

storage fuel and loss under Section 13 of the General Terms and

Conditions.

4. RATE

(a) Shipper shall pay WNG for all service rendered under an executed

Storage Service Agreement, in accordance with this Rate Schedule

ISS, 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 storage rates and all subsequent revisions to

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

(b) The maximum and minimum rates for service shall be the Current

Effective Rates shown on the effective Tariff Sheet No. 6 or 6A

in Volume No. 1 of this Tariff.

than the maximum rate(s) or charge(s) specified on Tariff Sheet

No. 6 or 6A.