Southern California Edison Declares Dividends

June 24, 2010

Media Contact: Charles Coleman, (626) 302-7982               
Investor Relations Contact: Scott Cunningham, (626) 302-2540

ROSEMEAD, Calif., June 24, 2010 — The Board of Directors of Southern California Edison Company today declared the following dividends:

Quarterly dividends of $1.5125 per share on the Series A preference stock1, payable on July 31, 2010, to shareholders of record on July 6, 2010.

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 August 31, 2010, to shareholders of record on August 5, 2010.

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 September 30, 2010, to shareholders of record on September 3, 2010.

About Southern California Edison
An Edison International (NYSE:EIX) company, Southern California Edison is one of the nation’s largest electric utilities, serving a population of nearly 14 million via 4.9 million customer accounts in a 50,000-square-mile service area within Central, Coastal and Southern California.

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1 Effective May 1, 2010, the dividend rate for the Series A preference stock is reset quarterly.  Each quarter the dividend rate is determined by a calculation agent by adding 1.45% to the highest of three benchmark interest rates, as described in the April 20, 2005 Prospectus Supplement.  The dividend rate for the quarter ending July 31, 2010 is 6.05%.  Further information on the manner in which the quarterly dividend rates are calculated can be found in the Prospectus Supplement available at www.edison.com/investors.

Southern California Edison Declares Dividends