GAZIFÈRE INC. IMPACT OF THE CHANGE IN COST OF GAS ON THE REVENUE REQUIREMENT RESULTING FROM THE 2010 VOLUMES COMPONENTS: Transportation, load balancing and commodity 2010 RATE CASE Line no Impact on revenue requirements (000$) Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TRANSPORTATION, LOAD BALANCING AND COMMODITY Impact of the 2010 volumes on the cost of gas per Rate 200 effective October 1st, 2009 Cost of gas (Rate 200 + Niagara Gas) forecasted for 2010 34,104.4 (1) Cost of gas (Rate 200 + Niagara Gas) assuming 2010 forecast volumes with 2009 assumptions for unbilled and unaccounted for gas (UUF), contract demand and cost of Niagara Gas presently recovered in Gazifère's rates 34,032.9 (2) Impact on the cost of gas resulting from the updated 2010 assumptions regarding the unaccounted for gas, contract demand and Niagara Gas cost Increase (decrease) due to volume, sales and transportation service and working cash Total Voir GI-28, document 2, page 1 de 1, ligne 30, colonne 13. révisé le 25 septembre 2009. Voir GI-28, document 3, page 1 de 1, ligne 30, colonne 13, révisé le 25 septembre 2009. This decrease corresponds to the annual impact as per Rate 200 effective October 1st, 2009. Reflects impact of change in volumes by rate class, sales and transportation utilization and working cash in 2010 forecast recovery of gas costs compared to 2009 approved rates. (5) This amount will be refunded to the customers through the rates 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 October 1st, 2009 Minus: Cost of gas (Rate 200 + Niagara Gas) forecasted for 2010 Sufficiency related to the cost of gas 71.5 (3) (141.7) (4) (70.2) (5) Notes: (1) (2) (3) (4) Original: 2009-08-21 Révisé: 2009-09-25 34,174.6 34,104.4 70.2 GI-28 Document 1 Page 1 de 1 Requête 3692-2009