The Board of Directors of Northwest Natural Holding Company (NYSE:NWN) has declared a quarterly dividend of 50 cents per share on the Company’s common stock. The Company's indicated annual dividend rate is $2.00 per share, a 3-cent increase from the previous annual rate of $1.97 per share. This marks the Company’s 71^st consecutive year of increasing shareholder dividends and the largest declared increase since 2012.

"Strong execution provided the flexibility to increase the dividend at a higher rate than recent years while positioning us to meet our targeted payout ratio," said Ray Kaszuba, Senior Vice President and Chief Financial Officer. "We remain committed to balancing disciplined investment in the business while returning capital to shareholders."

The Company’s dividend is evaluated annually based on capital requirements and financial performance, subject to approval by the Board of Directors. Over the long term, NW Natural Holdings expects dividend increases to be supported by earnings growth while maintaining a target payout ratio of 55% – 65% of earnings per share.

The dividend will be paid on Nov. 13, 2026, to shareholders of record on Oct. 30, 2026.

About NW Natural Holdings

Northwest Natural Holding Company (NYSE:NWN) is headquartered in Portland, Oregon and has operated for more than 167 years. It owns Northwest Natural Gas Company (NW Natural), the Company's long-standing natural gas utility serving the Pacific Northwest; SiEnergy Operating, LLC (SiEnergy), a fast-growing natural gas utility serving key Texas markets; NW Natural Water Company (NW Natural Water), an expanding water and wastewater utility; and additional business interests. Together, NW Natural Holdings provides essential energy and water services to nearly one million customers across seven states. The Company has a longstanding commitment to safety, environmental stewardship and supporting its employees and communities, and consistently leads the industry in J.D. Power customer satisfaction. Additional information is available at nwnaturalholdings.com.

Forward-Looking Statements

This press release, and other presentations made by NW Natural Holdings from time to time, may contain forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by words such as "anticipates," "assumes," "continues," "could," "should," "intends," "plans," "seeks," "believes," "estimates," "expects," "forecasts," "will" and similar references to future periods. Examples of forward-looking statements include, but are not limited to, statements regarding the following: plans, objectives, assumptions, estimates, expectations, forecasts, outlooks, timing, goals, strategies, commitments, future events, financial positions, financial performance, investments, valuations, timing and amount of capital expenditures, targeted capital structure, risks, risk profile, financial targets, earnings, earnings guidance and earnings growth, credit ratings, future dividends, dividend growth, dividend payout ratios and other statements that are other than statements of historical facts.

Forward-looking statements are based on current expectations and assumptions regarding its business, the economy, geopolitical factors, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Actual results may differ materially from those contemplated by the forward-looking statements. You are therefore cautioned against relying on any of these forward-looking statements. They are neither statements of historical fact nor guarantees or assurances of future operational, economic or financial performance. Important factors that could cause actual results to differ materially from those in the forward-looking statements are discussed by reference to the factors described in Part I, Item 1A "Risk Factors", and Part II, Item 7 and Item 7A "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Quantitative and Qualitative Disclosure about Market Risk" in the most recent Annual Report on Form 10-K and in Part I, Items 2 and 3 "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Quantitative and Qualitative Disclosures About Market Risk", and Part II, Item 1A, "Risk Factors", in the quarterly reports filed thereafter, which, among others, outline legal, regulatory and legislative risks, financial, macroeconomic and geopolitical risks, growth and strategic risks, operational risks, business continuity and technology risks, environmental risks and risks related to our water and renewables businesses.

All forward-looking statements made in this press release and all subsequent forward-looking statements, whether written or oral and whether made by or on behalf of NW Natural Holdings, are expressly qualified by these cautionary statements. Any forward-looking statement speaks only as of the date on which such statement is made, and NW Natural Holdings undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by law. New factors emerge from time to time and it is not possible to predict all such factors, nor can it assess the impact of each such factor or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statements.

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Investor Contact: Nikki Sparley

Phone: 503-721-2530

Email: nikki.sparley@nwnatural.com