The Board of Directors of Northwest Natural Holding Company (NYSE:NWN) has declared a quarterly dividend of 49 cents per share on the Company's common stock.

The dividend will be paid on Aug. 15, 2025 to shareholders of record on July 31, 2025. The Company's indicated annual dividend rate is $1.96 per share.

About NW Natural Holdings

Northwest Natural Holding Company, (NYSE:NWN) (NW Natural Holdings), is headquartered in Portland, Oregon and has been doing business for over 166 years. It owns Northwest Natural Gas Company (NW Natural), SiEnergy Operating (SiEnergy Gas Utility), NW Natural Water Company (NW Natural Water Utility), NW Natural Renewables Holdings (NW Natural Renewables), and other business interests.

NW Natural Holdings provides critical energy and delivers essential water and wastewater services to nearly one million customers across seven states. We have a longstanding commitment to safety, environmental stewardship, and taking care of our employees and communities. NW Natural Holdings was recognized by Ethisphere® for four years running as one of the World's Most Ethical Companies®. NW Natural consistently leads the industry with high J.D. Power & Associates customer satisfaction scores.

NWN Gas Utility is a local distribution company that currently provides natural gas service to approximately 2 million people in more than 140 communities through approximately 807,000 meters in Oregon and Southwest Washington with one of the most modern pipeline systems in the nation. NW Natural owns and operates 21.6 Bcf of underground gas storage capacity in Oregon.

SiEnergy Gas Utility is one of the fastest growing natural gas distribution utilities in the nation serving approximately 82,000 customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas.

NWN Water Utility provides water distribution and wastewater services to communities throughout the Pacific Northwest, Texas, Arizona, and California. Today NW Natural Water serves an estimated 194,000 people through approximately 78,000 meters. Learn more about our water business.

NW Natural Renewables is committed to leading in the energy transition by providing renewable fuels to support the utility, commercial, industrial and transportation sectors. Learn more about our renewable business.

Additional information is available at nwnaturalholdings.com.

"World's Most Ethical Companies" and "Ethisphere" names and marks are registered trademarks of Ethisphere LLC

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Investor Contact: Nikki Sparley

Phone: 503-721-2530

Email: nikki.sparley@nwnatural.com