Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Ninth Revised Sheet No. 353 Ninth Revised Sheet No. 353

Superseding: Eighth Revised Sheet No. 353

GENERAL TERMS AND CONDITIONS

(Continued)

10.4 (e) continued

(i) The responsibility for calculation and reporting of

allocated quantities should rest with the Party

responsible for accepting NAESB allocation types. The

Party receiving Nominations should provide allocation

statements (NAESB 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 sixth Day of the following Month.

(f) Transporter's PDA and Shipper Imbalance communication provided

via EDM shall conform to the requirements of the Dictionary

standards as referenced below:

(i) Predetermined Allocation (PDA) as set forth in NAESB

Standard 2.4.1 .

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

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

(g) Allocations are considered final upon issuance of related

invoices and Cash Out charges. However, should an error in the

basis of an allocation be determined after final allocations

have been made, the revised allocation quantity shall be

attributed to the Shipper's account for the original production

month. Adjustments to allocated quantities shall be made within

six Months from the date of the original monthly statement,

except in the case of a deliberate omission or

misrepresentation or mutual mistake of fact. Parties shall have

a three-month rebuttal period for any retroactive adjustments

(NAESB Standard 2.3.26). No current month penalty provisions

will be adversely affected by implementation of a retroactive

adjustment (NAESB Standard 2.3.31).