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Middlesex Water Company Board of Directors Names Nadine Leslie Chair and Amy Mansue Lead Director

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Middlesex Water Company (NASDAQ:MSEX) has announced key leadership changes to its Board of Directors. Nadine Leslie, the company's current President and CEO, has been appointed as Chair of the Board, succeeding Dennis W. Doll who retired after a 20-year tenure. Additionally, Amy Mansue has been named Lead Independent Director to enhance governance oversight.

Leslie, who joined as President and CEO in March 2024, brings over 30 years of utility industry experience, including her previous role as CEO of SUEZ North America. Mansue, who has served on the MWC Board since 2010, is currently the President and CEO of Inspira Health and has demonstrated strong commitment to shareholder value.

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News Market Reaction 1 Alert

+1.17% News Effect

On the day this news was published, MSEX gained 1.17%, reflecting a mild positive market reaction.

Data tracked by StockTitan Argus on the day of publication.

ISELIN, N.J., May 23, 2025 (GLOBE NEWSWIRE) -- Middlesex Water Company (NASDAQ:MSEX), a provider of life-sustaining water and wastewater utility services, announced that its Board of Directors has named Nadine Leslie as Chair of the Board. Leslie, who currently serves as President and Chief Executive Officer, succeeds Dennis W. Doll, who retired from the Board following a 20-year tenure with the company.

The Board also named Amy Mansue to serve as its Lead Independent Director, a role established to further support the Board’s independence and strengthen governance oversight.

“We thank Dennis Doll for his extraordinary leadership and unwavering commitment to Middlesex Water Company,” said Leslie. “We also acknowledge Walter G. Reinhard, who served as Lead Independent Director for the past several years. Both provided valuable guidance, counsel, and professionalism during a time of transition.”

Leslie joined Middlesex Water Company (MWC) as President and Chief Executive Officer in March 2024 and has led the Company through a pivotal period of organizational transformation. She brings more than 30 years of leadership experience in the regulated utility industry, having held senior executive roles in water, wastewater, and environmental services across the U.S. and internationally. Prior to joining MWC, she served as Chief Executive Officer of SUEZ North America, where she oversaw utility and environmental operations serving millions of customers.

Amy Mansue, President and Chief Executive Officer of Inspira Health, has served on the MWC Board since 2010. She has demonstrated exceptional judgement, a deep understanding of the business, and a strong commitment to shareholder value.

About Middlesex Water Company

Middlesex Water Company (“Middlesex”) is one of the nation’s premier investor-owned water and wastewater utilities. Established in 1897, Middlesex is a trusted provider of life-sustaining services to more than half a million people in New Jersey and Delaware. The company focuses on employee engagement, operational excellence, superior customer experience, investment in infrastructure, and selective and sustainable growth to deliver value to our customers, investors, and the communities we serve.

Media Contact:
Brian Hague
Vice President, Communications and Corporate Affairs
(732) 638-7584
bhague@middlesexwater.com

Investor Contact:
Jennifer Ketschke
Director, Treasury and Investor Relations
(732) 638-7549
jketschke@middlesexwater.com


FAQ

Who is the new Chair of Middlesex Water Company (MSEX)?

Nadine Leslie, who currently serves as President and CEO of Middlesex Water Company, has been named Chair of the Board, succeeding Dennis W. Doll.

What is Nadine Leslie's background before joining MSEX?

Leslie has over 30 years of leadership experience in the regulated utility industry and previously served as CEO of SUEZ North America, where she oversaw utility and environmental operations serving millions of customers.

Who was appointed as Lead Independent Director of MSEX?

Amy Mansue, President and CEO of Inspira Health, was appointed as Lead Independent Director. She has served on the MWC Board since 2010.

When did Nadine Leslie join Middlesex Water Company as CEO?

Nadine Leslie joined Middlesex Water Company as President and Chief Executive Officer in March 2024.
Middlesex Watr

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Utilities - Regulated Water
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United States
ISELIN