Company: AWK
Filing Date: 2025-10-27
Form Type: 425
Source: 0001193125-25-250649
Chunk: 179

Company: American Water Works Company, Inc.
Filing Date: 2025-10-27
Form: 425
Chunk 179
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 this link and at American Water’s and
Essential’s investor relations websites for up to one year.

The live broadcast and associated presentation materials will also be available on the
investor relations section of each company’s website at ir.amwater.com and essential.co/investor-relations, as well as at www.AmericanWaterEssentialUtilitiesMerger.com, a new joint website dedicated to the merger.

American Water and Essential Third Quarter 2025 Earnings Results

American Water expects to release its financial results for the third quarter of 2025 after the market closes on October 29, 2025. Presentation slides and
accompanying remarks reviewing third quarter results, 2026 earnings guidance, and long-term financial targets will be posted to American Water’s investor relations website after-market on October 29, 2025.

Essential expects to release its financial results for the third quarter of 2025 following the market close on November 4, 2025. Essential will post
webcast remarks and associated materials on November 5, 2025 at 9 a.m. ET.

In light of the transaction announcement, both companies will not host earnings calls or associated question
and answer sessions this quarter. Both companies expect to resume their typical earnings conference calls in 2026.

About American Water

American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886,
We Keep Life Flowing by providing safe, clean, reliable and affordable drinking water and wastewater services to more than 14 million people with regulated operations in 14 states and on
18 military installations. American Water’s 6,700 talented professionals leverage their significant expertise and the company’s national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and
other stakeholders.

About Essential

Essential Utilities, Inc. (NYSE: WTRG) delivers safe, clean, reliable services that improve quality of life for individuals, families, and entire communities.
With a focus on water, wastewater and natural gas, Essential is committed to sustainable growth, operational excellence, a superior customer experience, and premier employer status. We are advocates for the communities we serve and are dedicated
stewards of natural lands, protecting thousands of acres of forests and other habitats throughout our footprint.

Operating as the Aqua and Peoples
brands, Essential serves approximately 5.5 million people across nine states. Essential is one of the most significant publicly traded water, wastewater