X0304 4 2012-03-02 0000827052 EDISON INTERNATIONAL EIX 0001184061 DAVID DARYL D 2244 WALNUT GROVE AVENUE ROSEMEAD CA 91770 1 Senior Vice President Common Stock 2012-03-02 4 M 0 9474 31.46 A 11871 D Common Stock 2012-03-02 4 M 0 9146 33.30 A 21017 D Common Stock 2012-03-02 4 M 0 7923 37.96 A 28940 D Common Stock 2012-03-02 4 S 0 26543 42.86 D 2397 D Non-qualified Stock Options (Right to Buy) 31.46 2012-03-02 4 M 0 9474 0 D 2019-01-02 Common Stock 9474 9473 D Non-qualified Stock Options (Right to Buy) 33.30 2012-03-02 4 M 0 9146 0 D 2020-01-02 Common Stock 9146 18293 D Non-qualified Stock Options (Right to Buy) 37.96 2012-03-02 4 M 0 7923 0 D 2021-01-04 Common Stock 7923 23768 D This transaction was executed in multiple trades at prices ranging from $42.84 to $42.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and the separate prices at which the transaction was effected. The options vested on January 2, 2012: the remaining options will vest on January 2, 2013. The options vested on January 2, 2012: the remaining options will vest in two equal annual installments beginning on January 2, 2013. The options vested on January 2, 2012: the remaining options will vest in three equal annual installments beginning on January 2, 2013. /s/ Daryl D. David 2012-03-05