CMS

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Grant of 2,411 shares of Restricted Stock pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 1,034 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 1,056 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 1,052 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 246 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 568 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 470 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Grant of 2,411 shares of Restricted Stock pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The total holdings reflect an adjustment of 89 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 458 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 54 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 70 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 784 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 2205 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 339 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 123 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 285 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.23 to $78.26, inclusive. The reporting person undertakes to provide to CMS Energy Corporation ("CMS"), any security holder of CMS, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

Grant pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.75 to $75.76, inclusive. The reporting person undertakes to provide to CMS Energy Corporation ("CMS"), any security holder of CMS, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

Grant pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Restricted Stock granted by CMS Energy Corporation ("CMS") pursuant to CMS' Performance Incentive Stock Plan and subject to a three-year "cliff" vesting schedule.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 5,496 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 361 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 418 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 833 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 58 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.

Shares of Common Stock of CMS Energy Corporation ("CMS") were acquired as a result of CMS exceeding certain performance criteria established under the 2023 Restricted Stock Award granted to the reporting person in accordance with the provisions of the CMS Performance Incentive Stock Plan.

The total holdings reflect an adjustment of 2,275 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.