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Form 4 H2O AMERICA For: Jun 05 Filed by: Walters Andrew F

Fri, 05 Jun 2026 20:52:00 -0400

si-local-file:///var/storage/secattach/20260605/26612744.html

Form 4 H2O AMERICA For: Jun 05 Filed by: Walters Andrew F

Fri, 05 Jun 2026 20:52:00 -0400

si-local-file:///var/storage/secattach/20260605/26612744.html

Form 4 H2O AMERICA For: Jun 05 Filed by: Walters Andrew F

Fri, 05 Jun 2026 20:52:00 -0400

si-local-file:///var/storage/secattach/20260605/26612744.html

Form 4 H2O AMERICA For: Jun 02 Filed by: Johnson A Kristen

Wed, 03 Jun 2026 17:02:00 -0400

si-local-file:///var/storage/secattach/20260603/26600107.html

Form 4 H2O AMERICA For: Jun 02 Filed by: Johnson A Kristen

Wed, 03 Jun 2026 17:02:00 -0400

si-local-file:///var/storage/secattach/20260603/26600107.html

Form 4 H2O AMERICA For: Jun 02 Filed by: Johnson A Kristen

Wed, 03 Jun 2026 17:02:00 -0400

si-local-file:///var/storage/secattach/20260603/26600107.html

Form 4/A H2O AMERICA For: May 29 Filed by: ATLAS Infrastructure Partners (UK) Ltd.

Tue, 02 Jun 2026 13:03:00 -0400

si-local-file:///var/storage/secattach/20260602/26590294.html

Form 4/A H2O AMERICA For: May 29 Filed by: ATLAS Infrastructure Partners (UK) Ltd.

Tue, 02 Jun 2026 13:03:00 -0400

si-local-file:///var/storage/secattach/20260602/26590294.html

Form 4/A H2O AMERICA For: May 29 Filed by: ATLAS Infrastructure Partners (UK) Ltd.

Tue, 02 Jun 2026 13:03:00 -0400

si-local-file:///var/storage/secattach/20260602/26590294.html

Form 8-K H2O AMERICA For: May 13

Tue, 19 May 2026 06:00:00 -0400

si-local-file:///var/storage/secattach/20260519/26516461.html

Form 8-K H2O AMERICA For: May 13

Tue, 19 May 2026 06:00:00 -0400

si-local-file:///var/storage/secattach/20260519/26516461.html

H2O America appoints Michael Ambrozewicz as VP of communications

Mon, 18 May 2026 09:00:17 -0400

H2O America (NASDAQ: HTO) announced the appointment of Michael Ambrozewicz as vice president of communications. Ambrozewicz will oversee the company's communications strategy, including corporate reputation, stakeholder engagement, brand management and change communications.

Ambrozewicz brings more than 20 years of communications experience to the water utility company. He most recently served as vice president of corporate communications at Albertsons Companies, where he worked with executive leadership and investor relations on business strategy articulation and reputation management. During his tenure at Albertsons, he helped develop an employer brand program that engaged 285,000 employees.

Prior to Albertsons, Ambrozewicz held communications leadership positions at AT&T and

H2O America Appoints Michael Ambrozewicz as Vice President of Communications

Mon, 18 May 2026 09:00:00 -0400

SAN JOSE, Calif., May 18, 2026 (GLOBE NEWSWIRE) -- H2O America (NASDAQ: HTO) today announced that it has appointed Michael Ambrozewicz as vice president of communications. In this role, Ambrozewicz will lead the company’s communications strategy, including corporate reputation, stakeholder engagement, brand management and storytelling, and change communications, supporting H2O America’s mission to protect what’s precious.

“Michael brings a rare combination of strategic communications leadership, executive counsel and brand-building experience to H2O America,” said Andrew Walters, Chief Executive Officer and Chairman of H2O America. “He has led communications through complex business transformations, elevated executive and brand visibility,

H2O America Appoints Michael Ambrozewicz as Vice President of Communications

Mon, 18 May 2026 09:00:00 -0400

Form 4 H2O AMERICA For: May 13 Filed by: KRUGER DENISE L

Fri, 15 May 2026 18:53:00 -0400

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Form 4 H2O AMERICA For: May 13 Filed by: KRUGER DENISE L

Fri, 15 May 2026 18:53:00 -0400

si-local-file:///var/storage/secattach/20260515/26508313.html

Form 4 H2O AMERICA For: May 13 Filed by: KRUGER DENISE L

Fri, 15 May 2026 18:53:00 -0400

si-local-file:///var/storage/secattach/20260515/26508313.html

Form 4 H2O AMERICA For: May 13 Filed by: KLEIN REBECCA A

Fri, 15 May 2026 16:46:00 -0400

si-local-file:///var/storage/secattach/20260515/26507118.html

Form 4 H2O AMERICA For: May 13 Filed by: KLEIN REBECCA A

Fri, 15 May 2026 16:46:00 -0400

si-local-file:///var/storage/secattach/20260515/26507118.html

Form 4 H2O AMERICA For: May 13 Filed by: KLEIN REBECCA A

Fri, 15 May 2026 16:46:00 -0400

si-local-file:///var/storage/secattach/20260515/26507118.html

Form 4 H2O AMERICA For: May 13 Filed by: Heather Hunt