Common use of Certification and Payment Clause in Contracts

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review the Company’s results for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount of the Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award pursuant to the terms of Northwest Natural’s Deferred Compensation Plan for Directors and Executives (the “DCP”), payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review the Company’s results for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount of the Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2024 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award pursuant to the terms of Northwest Natural’s Deferred Compensation Plan for Directors and Executives (the “DCP”), payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review determine the Company’s results for Strategic Payout Factor and certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Strategic Performance Shares deliverable to Recipient and the amount of the Strategic Dividend Equivalent Cash Award Periodpayable to Recipient. Prior to the Certification Meeting, the Company shall calculate the number of TSR Performance Shares deliverable and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the levels of TSR attained by the Company and the Peer Group Companies, the number of TSR Performance Shares deliverable to Recipient and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2011 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award Awards pursuant to the terms of Northwest Naturalthe Company’s Deferred Compensation Plan for Directors and Executives (the “DCP”)Executives, payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review determine the Company’s results for Strategic Payout Factor and certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Strategic Performance Shares deliverable to Recipient and the amount of the Strategic Dividend Equivalent Cash Award Periodpayable to Recipient. Prior to the Certification Meeting, the Company shall calculate the number of TSR Performance Shares deliverable and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the levels of TSR attained by the Company and the Peer Group Companies, the number of TSR Performance Shares deliverable to Recipient and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award Awards pursuant to the terms of Northwest Naturalthe Company’s Executive Deferred Compensation Plan for Directors and Executives (the “DCP”)Plan, payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review the Company’s results for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount of the Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2022 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award pursuant to the terms of Northwest Natural’s Deferred Compensation Plan for Directors and Executives (the “DCP”), payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review the Company’s results for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount of the Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2021 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award pursuant to the terms of Northwest Naturalthe Company’s Deferred Compensation Plan for Directors and Executives (the “DCP”), payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review determine the Company’s results for Strategic Payout Factor and certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Strategic Performance Shares deliverable to Recipient and the amount of the Strategic Dividend Equivalent Cash Award Periodpayable to Recipient. Prior to the Certification Meeting, the Company shall calculate the number of TSR Performance Shares deliverable and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the levels of TSR attained by the Company and the Peer Group Companies, the number of TSR Performance Shares deliverable to Recipient and the amount of the TSR Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2012 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award Awards pursuant to the terms of Northwest Naturalthe Company’s Deferred Compensation Plan for Directors and Executives (the “DCP”)Executives, payment of the award shall be made in accordance with that election.

Certification and Payment. At the regularly scheduled meeting of the Committee held in February of the year immediately following the final year of the Award Period (the “Certification Meeting”), the Committee shall review the Company’s results for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount of the Dividend Equivalent Cash Award payable to Recipient, and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to Recipient. Subject to applicable tax withholding, the amounts so certified shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 2023 or five business days following the Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award pursuant to the terms of Northwest Natural’s Deferred Compensation Plan for Directors and Executives (the “DCP”), payment of the award shall be made in accordance with that election.

Certification and Payment. At each of the regularly scheduled meeting meetings of the Committee held in February July of the year immediately following the final year of the Award Period 2011, 2012, and 2013 (the “Certification MeetingMeetings”), the Committee shall review determine the Company’s results Strategic Payout Factor for the Award Period. Prior to the Certification Meeting, the Company shall calculate the number of Performance Shares deliverable and the amount most-recently completed portion of the Dividend Equivalent Cash Award payable to Recipient, Period and shall submit these calculations to the Committee. At or prior to the Certification Meeting, the Committee shall certify in writing (which may consist of approved minutes of the Certification Meeting) the number of Performance Shares deliverable to Recipient and the amount of the Dividend Equivalent Cash Award payable to RecipientRecipient for that portion of the Award Period. Subject to applicable tax withholding, the amounts so certified at each Certification Meeting shall be delivered or paid (as applicable) on a date (the “Payment Date”) that is the later of March 1, 2026 August 1 of the year of such Certification Meeting or five business days following the such Certification Meeting, and no amounts shall be delivered or paid prior to certification. No fractional shares shall be delivered and the number of Performance Shares deliverable shall be rounded to the nearest whole share. Notwithstanding the foregoing, if Recipient shall have made a valid election to defer receipt of Performance Shares or the Dividend Equivalent Cash Award in December 2008 pursuant to the terms of Northwest Naturalthe Company’s Deferred Compensation Plan for Directors and Executives (the “DCP”)) to defer receipt of all or part of the performance shares and/or dividend equivalent cash award for an award period ending on December 31, 2011, Recipient hereby elects to defer payment of the award Performance Shares and/or Dividend Equivalent Cash Awards payable under this Agreement as specified in that election and to have such amounts credited under the DCP, with the effect that payment of such deferred amounts shall be made in accordance with the DCP and that election.