Transaction Details

Footnotes

Shares were withheld by the issuer to cover withholding taxes on issuance of shares due to vesting of 513 restricted stock units (RSUs) with performance threshold, and vesting of 651 time-based RSUs. Organization and Executive Compensation Committee certification of satisfaction of the performance threshold and vesting for these restricted stock units was reported on Form 4 filed on February 27, 2026. The 651 time-based RSUs are part of 2,064 time-based RSUs that have been reported as shares beneficially owned by the reporting person since initially reported on the reporting persons Form 4 on February 25, 2022. | Shares were withheld by the issuer to cover withholding taxes on issuance of performance shares. Organization and Executive Compensation Committee certification of the payout of these performance shares was reported on Form 4 filed on February 27, 2026. | Disposition of fractional shares in connection with the transfer of whole shares between accounts directly held by the reporting person. | Shares have been credited to the reporting persons account under the Northwest Natural Deferred Compensation Plan for Directors and Executives.