Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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Effective Date: 04/12/2010, Docket: RP10-491-000, Status: Effective

Second Revised Sheet No. 72D Second Revised Sheet No. 72D

Superseding: First Revised Sheet No. 72D

GENERAL TERMS AND CONDITIONS

(Continued)

10. IMBALANCE MANAGEMENT (Continued)

10.4 Determination of Deliveries (Continued)

(b) Absent agreement to a PDA methodology, quantities at each

Point of Receipt or Delivery shall be allocated pro rata

based on scheduled quantities.

(c) The timing for reporting daily operational allocations after

the Gas has flowed is within one Business Day after end of

Gas Day. If the best available data for reporting daily

operational allocations is the scheduled quantity, that

quantity should be used for the daily operational

allocation.

(i) The responsibility for calculation and reporting of

allocated quantities should rest with the party

responsible for accepting GISB allocation types. The

party receiving Nominations should provide allocation

statements (GISB Standard 2.3.22).

(ii) In most cases, allocations shall be final as posted.

However, during any Month, an adjustment to a previous

Day's PDA shall be permitted by Transporter only if

all affected parties (including Transporter) consent

in writing to the adjustment. Such adjustments shall

be permitted through the fifth Day of the following

Month.

(d) Transporter's PDA and Shipper Imbalance communication

provided via EDM shall conform to the requirements of the

Data Dictionary standards as referenced below.

(i) Predetermined Allocation as set forth in GISB Standard

2.4.1.

(ii) Allocation as set forth in GISB Standard 2.4.3.

(iii) Shipper Imbalance as set forth in GISB Standard 2.4.4.