April 25, 2007 April 25, 2007 Edison International (NYSE:EIX) will hold a conference call to discuss its first quarter 2007 financial results on Wednesday, May 9, 2007. Although two-way participation in the telephone call is limited to financial analysts and investors, all other interested parties are invited to participate in a “listen-only” mode through a simultaneous webcast on the company's web site. Additional financial and statistical information, if any, presented during the conference call will be available at the web site address shown below. Subject: First Quarter 2007 Financial Results When: Wednesday, May 9, 2007 Time: 8:00 a.m. (Pacific time) Numbers: (800) 356-8584 - for callers in the U.S. (850) 429-1225 - for international callers Call ID#: 11200 Web site: www.edisoninvestor.com In addition to the live simulcast, telephone replays will be available through Wednesday, May 16, 2007, at the following numbers: (877) 693-4277 - for callers in the U.S. (402) 220-0042 - for international callers PIN Number: 11201 # # # Rosemead, Calif.-based Edison International (NYSE:EIX) is an electric power generator and distributor, and an investor in infrastructure and renewable energy projects with assets totaling more than $36 billion. The company is comprised of a regulated utility, Southern California Edison (SCE) and an unregulated group of business units, Edison Mission Group (EMG). The California Public Utilities Commission does not regulate the terms of EMG’s products and services. Edison International to Hold Conference Call On First Quarter 2007 Financial Results