Table search / NorthWestern Energy Group, Inc. / "Goals"

In February 2021, the Compensation Committee approved grants of LTIP performance share units, subject to a three-year performance period. The 2021 LTIP performance share unit grants vested on December 31, 2023. The performance goals were independent of each other and equally weighted. The table below summarizes the performance measures which governed these 2021 grants.

Based on the calculation of these performance measures, the 2021 LTIP performance unit grants vested at 27.5 percent. The table below sets forth the results with respect to each of the performance measures applicable to the 2021 LTIP performance share unit grants and the corresponding contributions to the vesting percentage.

For the remaining outstanding grants of LTIP performance share units, LTIP restricted share units, ERRP restricted share units, and CEO promotion restricted share units, the table below and continuing on the following page shows the original grants, the percentage of the original grants that would vest, and the vesting value of those grants, assuming (a) the applicable NEO terminated his or her employment as a result of death, disability or retirement on December 31, 2023, (b) the applicable goals for such performance units were subsequently satisfied at target levels, and (c) the price of the Company's Common Stock was $50.89 (the closing price on December 29, 2023) at the time payouts of such performance units and restricted share units occurred.