DUK · Duke Energy CORP · Insider Trading

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

The amount reported in Column 9 also includes Director Savings Plan Restricted Stock Units that were acquired and reported on the reporting person's prior Form 4 but were inadvertently omitted from the aggregate holdings amount reported in that filing.

Represents interests in an issuer stock fund.

The phantom stock units were accrued under the Issuer's Executive Savings Plan (the "Plan"). Phantom stock units are settled six months following the reporting person's termination of service. Prior to settlement, the reporting person may transfer the value of their phantom stock units into alternative investment vehicles in the Plan.

Each share of phantom stock is the economic equivalent of one share of the Issuer's common stock.

Represents the transfer of 2,402 shares from directly held to a joint trust.

Includes 19,192 shares held in a joint trust.

Reflects the weighted average sale price for the entire amount of shares sold. These shares were sold in multiple transactions at prices ranging from $124.08 to $124.53, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges.

Amount increased due to dividend reinvestment.

Includes 33,166 shares held in a revocable joint trust.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Includes 16,790 shares held in a joint trust.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Converts to Common Stock on a 1-for-1 basis.

Generally payable upon reporting person's termination of service.

Expiration date not applicable.

Represents the number of shares withheld to pay taxes due upon vesting of 87 restricted stock units ("RSUs") related to an RSU award granted March 11, 2024, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 318 restricted stock units ("RSUs") related to a RSU award granted March 11, 2024, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 654 restricted stock units ("RSUs") related to a RSU award granted March 11, 2024, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 4,640 restricted stock units ("RSUs") related to an RSU award granted March 11, 2024, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Mr. Repko adopted the 10b5-1 plan pursuant to which this transaction was executed on November 19, 2025.

Mr. Ghartey-Tagoe adopted the 10b5-1 plan pursuant to which this transaction was executed on November 28, 2025.

Reflects the weighted average sale price for the entire amount of shares sold. These shares were sold in multiple transactions at prices ranging from $132.005 to $132.15, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges.

Mr. Ghartey-Tagoe adopted the 10b5-1 plan pursuant to which this transaction was executed on November 28, 2025.

Reflects the weighted average sale price for the entire amount of shares sold. These shares were sold in multiple transactions at prices ranging from $130.98 to $131.975, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges.

Represents the number of shares withheld to pay taxes due upon vesting of 859 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 8,382 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 1,816 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 631 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 623 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 98 restricted stock units ("RSUs") related to an RSU award granted April 30, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

The reporting owner received restricted stock units ("RSUs") granted under the Duke Energy Corporation 2023 Long-Term Incentive Plan, which RSU's are settled in common stock on a one-for-one basis upon vesting. 1/3rd of the RSUs vest each year over a 3-year period beginning on February 26, 2027.

Represents the number of shares withheld to pay taxes due upon vesting of 122 restricted stock units ("RSUs") related to an RSU award granted April 30, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 2,362 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 1,612 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 2,452 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 1,203 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 321 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 1,612 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 77 restricted stock units ("RSUs") related to an RSU award granted April 30, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 1,031 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 87 restricted stock units ("RSUs") related to an RSU award granted April 30, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

Represents the number of shares withheld to pay taxes due upon vesting of 2,128 restricted stock units ("RSUs") related to an RSU award granted February 26, 2025, under the Duke Energy Corporation 2023 Long-Term Incentive Plan. Such RSUs convert into common stock on a one-for-one basis.

The reporting owner received restricted stock units ("RSUs") granted under the Duke Energy Corporation 2023 Long-Term Incentive Plan, which RSU's are settled in common stock on a one-for-one basis upon vesting. 1/3rd of the RSUs vest each year over a 3-year period beginning on February 25, 2027.

The reporting owner received restricted stock units ("RSUs") granted under the Duke Energy Corporation 2023 Long-Term Incentive Plan, which RSU's are settled in common stock on a one-for-one basis upon vesting. 1/3rd of the RSUs vest each year over a 3-year period beginning on February 25, 2027.

The reporting owner received restricted stock units ("RSUs") granted under the Duke Energy Corporation 2023 Long-Term Incentive Plan, which RSU's are settled in common stock on a one-for-one basis upon vesting. 1/3rd of the RSUs vest each year over a 3-year period beginning on February 25, 2027.

The reporting owner received restricted stock units ("RSUs") granted under the Duke Energy Corporation 2023 Long-Term Incentive Plan, which RSU's are settled in common stock on a one-for-one basis upon vesting. 1/3rd of the RSUs vest each year over a 3-year period beginning on February 25, 2027.