What was the purpose of the descending clock auction?

The descending clock auction was a competitive bidding process managed by the Illinois Commerce Commission (ICC) to determine the supplier for Commonwealth Edison Company's (ComEd) entire retail electricity load for the year 2007.

Why is this auction result important for Exelon investors?

The results of this auction are crucial as they will determine the cost at which ComEd will procure electricity for its retail customers in 2007. This directly affects ComEd's operating expenses and, consequently, the profitability and financial performance of its parent company, Exelon Corporation.

Where can I find the detailed results of the auction?

The detailed results of the descending clock auction are available in the ComEd Press Release, which is attached as Exhibit 99.1 to this Form 8-K filing.

EXC 8-K SEC Disclosure — Sep 18, 2006

Summary

This 8-K filing from Exelon Corporation and Commonwealth Edison Company (ComEd) on September 18, 2006, announces the results of a competitive bidding process for ComEd's retail electricity supply for 2007. The Illinois Commerce Commission (ICC) conducted a descending clock auction, and the results are detailed in an attached press release. For investors, this event is significant as it pertains to the future cost of electricity supply for a major utility subsidiary, directly impacting its operational expenses and potentially its profitability.

Key Highlights

1Commonwealth Edison Company (ComEd) participated in a descending clock auction for its 2007 retail electricity supply.
2The Illinois Commerce Commission (ICC) oversaw the competitive bidding process.
3The results of this auction are considered a significant event for ComEd's future operational costs.
4Exelon Corporation, as the parent company, is also directly impacted by the outcome of this auction.
5A press release from ComEd detailing the auction results is attached as Exhibit 99.1.

EXELON CORP 8-K Report, Corporate Update (Sep 18, 2006)

Summary

Key Highlights

Frequently Asked Questions