EIX

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person in connection with his re-election as a director at the Issuer's annual meeting and his re-appointment as Chair of the Board of Directors.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

This common stock was granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon election as a director.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

This common stock was granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

1 for 1: Each deferred stock unit is equal in value to one share of Edison International Common Stock.

The deferred stock units were granted to the Reporting Person upon re-election as a director at the Issuer's annual meeting.

The deferred stock units are to be settled upon the Reporting Person's retirement, resignation, death or disability, unless another date(s) is elected by the Reporting Person.

Includes additional deferred stock units acquired pursuant to dividend reinvestment and exempt from reporting under Section 16(a).

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2025.

This transaction was executed in multiple trades at prices ranging from $75.14 to $75.435. The price reported 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 or before January 3, 2023.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

These shares were withheld by EIX for the payment of the exercise price and the minimum tax withholding obligations.

Relationship of Reporting Person to Issuer: Edison Energy, LLC dba Trio is a subsidiary of Edison International.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

The options vested on or before January 3, 2022.

6,487 options will vest on January 4, 2027; 6,485 options will vest on each of January 3, 2028 and January 2, 2029.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

These shares were withheld by EIX for the payment of the exercise price and the minimum tax withholding obligations.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

2,053 options will vest on January 4, 2027; 2,052 options will vest on each of January 3, 2028 and January 2, 2029.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

Relationship of Reporting Person to Issuer: Southern California Edison Company (SCE) is a subsidiary of Edison International.

8,314 options will vest on January 4, 2027; 8,312 options will vest on each of January 3, 2028 and January 2, 2029.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

The options will vest in three equal annual installments on January 4, 2027, January 3, 2028 and January 2, 2029.

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2025.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

Relationship of Reporting Person to Issuer: Southern California Edison Company (SCE) is a subsidiary of Edison International.

18,704 options will vest on January 4, 2027; 18,703 options will vest on each of January 3, 2028 and January 2, 2029.

18,289 options will vest on January 4, 2027; 18,287 options will vest on each of January 3, 2028 and January 2, 2029.

70,312 options will vest on January 4, 2027; 70,310 options will vest on each of January 3, 2028 and January 2, 2029.

1 for 1: Each restricted stock unit is equal in value to one share of Edison International Common Stock.

The options will vest in three equal annual installments on January 4, 2027, January 3, 2028 and January 2, 2029.

The options will vest in three equal annual installments on January 4, 2027, January 3, 2028 and January 2, 2029.

Relationship of Reporting Person to Issuer: Southern California Edison Company (SCE) is a subsidiary of Edison International.

The options vested on or before January 2, 2025.

These shares were withheld by EIX for the payment of the exercise price and the minimum tax withholding obligations.

These shares were withheld by EIX for the payment of the exercise price and the minimum tax withholding obligations.

The options vested on or before January 2, 2025.

Relationship of Reporting Person to Issuer: Edison Energy, LLC dba Trio is a subsidiary of Edison International.

These transactions report the payment of performance shares with a three-year performance measurement period that were not derivative securities reportable under Section 16. Pursuant to the terms of this award, these transactions were an automatic, scheduled payment. Only a portion of the award was actually paid in shares of Edison International Common Stock, while a portion of the award was paid in cash only.

These transactions report the payment of performance shares with a three-year performance measurement period that were not derivative securities reportable under Section 16. Pursuant to the terms of this award, these transactions were an automatic, scheduled payment. Only a portion of the award was actually paid in shares of Edison International Common Stock, while a portion of the award was paid in cash only.

These transactions are the portions of the award that were paid in cash only.

These transactions report the payment of performance shares with a three-year performance measurement period that were not derivative securities reportable under Section 16. Pursuant to the terms of this award, these transactions were an automatic, scheduled payment. Only a portion of the award was actually paid in shares of Edison International Common Stock, while a portion of the award was paid in cash only.

These transactions are the portions of the award that were paid in cash only.