ENPH

These shares are held directly by the Trust for which the Reporting Person serves as a trustee.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments on August 15, 2026, November 15, 2026, February 15, 2027 and May 15, 2027; provided that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $68.23 to $68.54. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $67.15 to $67.97. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $43.50 to $43.935. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

These shares are held directly by the Rodgers Massey Revocable Living Trust dtd 4/4/11 for which the reporting person and his spouse, Valeta Massey, serve as trustees.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of a portion of the restricted stock units granted on February 15, 2022 under the Issuer's 2021 Equity Incentive Plan.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of performance stock units granted to the Reporting Person on January 14, 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 15, 2024.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 14, 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on March 8, 2023.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of performance stock units granted to the Reporting Person on January 14, 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 15, 2024.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on March 8, 2023.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 15, 2024.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on March 8, 2023.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of performance stock units granted to the Reporting Person on January 14, 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 14, 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of RSUs granted to the Reporting Person on January 14, 2025.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $50.72 to $51.52. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $51.99 to $52.21. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Restricted Stock Units ("RSUs") issued pursuant to the Issuer's 2021 Equity Incentive Plan.

The RSUs vest as follows: 1/3rd on March 1, 2027, 1/3rd on March 1, 2028, and 1/3 on March 1, 2029, subject to Ms. Erginsoy's continuous service through each applicable vesting date.

Restricted Stock Units ("RSUs") issued pursuant to the Issuer's 2021 Equity Incentive Plan.

The RSUs vest as follows: 1/3rd on March 1, 2027, 1/3rd on March 1, 2028, and 1/3 on March 1, 2029, subject to Mr. Kothandaraman's continuous service through each applicable vesting date.

Restricted Stock Units ("RSUs") issued pursuant to the Issuer's 2021 Equity Incentive Plan.

The RSUs vest as follows: 1/3rd on March 1, 2027, 1/3rd on March 1, 2028, and 1/3 on March 1, 2029, subject to Ms. Yang's continuous service through each applicable vesting date.

Represents shares earned as a result of the achievement of certain performance criteria, pursuant to a performance-based stock unit award originally granted on January 14, 2025 under the Issuer's2021 Equity Incentive Plan, and certified by the Issuer's Compensation Committee of the Board of Directors on January 22, 2026. The shares are scheduled to vest on March 1, 2026, subject to Ms. Erginsoy's continuous service through such date.

Balance includes a non-reportable acquisition of 420 shares purchased through the Company's 2011 Employee Stock Purchase Plan on May 15, 2025

Represents shares earned as a result of the achievement of certain performance criteria, pursuant to a performance-based stock unit award originally granted on January 14, 2025 under the Issuer's 2021 Equity Incentive Plan, and certified by the Issuer's Compensation Committee of the Board of Directors on January 22, 2026. The shares are scheduled to vest on March 1, 2026, subject to Ms. Yang's continuous service through such date.

Represents shares earned as a result of the achievement of certain performance criteria, pursuant to a performance-based stock unit award originally granted on January 14, 2025 under the Issuer's 2021 Equity Incentive Plan, and certified by the Issuer's Compensation Committee of the Board of Directors on January 22, 2026. The shares are scheduled to vest on March 1, 2026, subject to Mr. Kothandaraman's continuous service through such date.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025 in connection with the Reporting Person's year- end tax planning for 2025.

Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of a portion of the restricted stock units granted on February 15, 2022 under the Issuer's 2021 Equity Incentive Plan.

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $28.755 to $29.60. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

These shares are held directly by the Rodgers Massey Revocable Living Trust dtd 4/4/11 for which the reporting person and his spouse, Valeta Massey, serve as trustees.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $30.57 to $30.79. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $30.69 to $30.98. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Represents shares withheld by Enphase Energy, Inc. (the "Company") to satisfy the tax withholding obligation associated with the vesting of a portion of the restricted stock units granted on February 15, 2022 under the Company's 2021 Equity Incentive Plan.

Represents a weighted average purchase price per share. These shares were purchased in multiple transactions at prices ranging from $30.74 to $30.87. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

These shares are held directly by the Trust of which the Reporting Person serves as a trustee.

Represents shares withheld by Enphase Energy, Inc. (the "Company") to satisfy the tax withholding obligation associated with the vesting of a portion of the restricted stock units granted under the Company's 2021 Equity Incentive Plan on February 15, 2022.

Balance includes a non-reportable acquisition of 420 shares purchased through the Company's 2011 Employee Stock Purchase Plan on May 15, 2025.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.

Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date.