Suncor Energy Sales July Oilsands Production Lower than Average

Suncor Energy reported today that production at its oil sands facility during July averaged approximately 159,000 barrels per day (bpd). Year-to-date oil sands production at the end of July averaged approximately 216,000 bpd.

Suncor is targeting average oil sands production of 255,000 to 265,000 bpd in 2007. Production in July was lower than annual average targets due to a scheduled shutdown of one of two upgraders to allow the tie-in of new facilities related to a planned expansion. The tie-in work, which began on May 31, was completed on July 20.

On a monthly basis, Suncor reports production numbers from its oil sands operation in order to provide stakeholders with a more timely review of operational performance. These numbers are preliminary and subject to adjustment. Monthly totals may differ from year-to-date total due to rounding, the impact of sales and changes in inventory. Production volumes will be confirmed when Suncor's third quarter results are released on October 25, 2007.