EIXEdison International

On October 31, 2025, Peter Taylor, chair of the Edison International Board of Directors, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the sale of up to 4,000 shares of Edison International’s Common Stock. The first date that sales of any shares permitted to be sold under the trading arrangement is March 2, 2026 and subsequent sales under the trading arrangement may occur on a regular basis until December 1, 2027.

On November 3, 2023, J. Andrew Murphy, Chief Executive Officer of Edison Energy, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the exercise of stock option awards and sale of up to 199,663 shares of the Edison International’s Common Stock. The exercise price and any withholding taxes due shall be remitted to Edison International from the proceeds of any sale under the trading arrangement. The first date that sales of any shares permitted to be sold under the trading arrangement is the later of: (i) February 2, 2024; and (ii) the earlier of the third business day following the filing of Edison International’s Form 10-K for the year ended December 31, 2023 with the SEC, and March 3, 2024. Subsequent stock option exercises and sales under the trading arrangement may occur on a regular basis until February 27, 2025.