In Anticipation of Merger Close, Duquesne Light Holdings to Delist Common Stock From Chicago and Philadelphia Stock Exchanges

PITTSBURGH, May 3  /PRNewswire-FirstCall/ -- Duquesne Light Holdings, Inc. (NYSE:DQE) today notified the Chicago and Philadelphia stock exchanges of its intention to delist its common stock, no par value, from both exchanges. Holdings will be filing the necessary forms with the Securities and Exchange Commission in approximately 10 days.

On April 24, 2007, the Pennsylvania Public Utility Commission approved Holdings' merger with the Macquarie Consortium, pursuant to which the company will become a wholly owned, indirect subsidiary of the consortium.  Holdings' decision to delist its common stock from the Chicago and Philadelphia stock exchanges was made in anticipation of the pending closing of the merger. Holdings' common stock will remain listed on the New York Stock Exchange until the merger closes.

About Duquesne Light Holdings

Duquesne Light Holdings is comprised of an electric-utility company and affiliate companies that complement the core business.  Duquesne Light Company, its principal subsidiary, is a leader in the transmission and distribution of electric energy, offering superior customer service and reliability to more than half a million customers in southwestern Pennsylvania.

  Contact
  Media:                 Financial Community:
  Joseph Vallarian       Darrin Duda, CFA
  412-232-6848           412-393-1158


DATASOURCE: Duquesne Light Holdings, Inc.



CONTACT:  Media, Joseph Vallarian, [phone]; Financial Community,

Darrin Duda, CFA, [phone], both of Duquesne Light Holdings, Inc.

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