GAZIFÈRE INC. IMPACT OF THE CHANGE IN COST OF GAS ON THE REVENUE REQUIREMENT RESULTING FROM THE 2007 VOLUMES COMPONENTS: Transportation, load balancing and commodity 2007 RATE CASE Line no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Impact on revenue requirements (000$) Description TRANSPORTATION, LOAD BALANCING AND COMMODITY Impact of the 2007 volumes on the cost of gas as per the Rate 200 effective January 1st, 2007 Cost of gas (Rate 200 + Niagara Gas) forecasted for 2007 46 963,9 (1) Cost of gas (Rate 200 + Niagara Gas) assuming 2007 forecast volumes with 2006 assumptions for unbilled and unaccounted for gas (UUF) and contract demand presently recovered in Gazifère's rates 46 914,6 (2) Impact in the cost of gas from 2007 assumptions for unbilled and unaccounted for gas and contract demand 49,3 (3) Increase (decrease) due to volume, sales and transportation service and working cash (270,3) (4) Total (221,0) (5) Notes: (1) Voir GI-7, document 2, page 1 de 1, ligne 41, colonne 13. (2) Voir GI-7, dodument 3, page 1 de 1, ligne 41, colonne 13. (3) This increase corresponds to the annual impact as per the Rate 200 effective January 1st, 2007. The impact of the contract demand is an increase of 98,000$ where as the impact of the UUF is a decrease of (49,000$) for a net increase of 49,300$. (4) Reflects impact of change in volumes by rate class, sales and transportation utilization and working cash in 2007 forecast recovery of gas costs compared to 2006 approved rates. (5) This amount will be reimbursed to the customers once the Régie issues its decision in this present proceeding. The amount is calculated as follows: Total Revenues excluding the distribution per Gazifère's Rates as of January 1st, 2007 47 184,9 Minus: Cost of gas (Rate 200 + Niagara Gas) forecasted for 2007 46 963,9 Sufficiency related to the cost of gas that will be reimbursed to the customers 221,0 Original: 2007-02-02 GI-7 Document 1 Page 1 de 1 Requête 3621-2006