April 23, 2009 April 23, 2009 ROSEMEAD, Calif., April 23, 2009 — The Board of Directors of Southern California Edison Company today declared the following dividends: Quarterly dividends of $0.255 per share on the 4.08% series of cumulative preferred stock, $0.265 per share on the 4.24% series of cumulative preferred stock and $0.29875 per share on the 4.78% series of cumulative preferred stock. Each of these dividends is payable on May 31, 2009, to shareholders of record on May 5, 2009. Quarterly dividends of $1.53125 per share on the Series B preference stock and $0.27 per share on the 4.32% series of cumulative preferred stock. Each of these dividends is payable on June 30, 2009, to shareholders of record on June 5, 2009. Media relations contact: Charles Coleman, (626) 302-7982 Investor relations contact: Scott Cunningham, (626) 302-2540 # # # An Edison International (NYSE:EIX) company, Southern California Edison is one of the nation’s largest electric utilities, serving a population of more than 13 million via 4.8 million customer accounts in a 50,000-square-mile service area within Central, Coastal and Southern California.