Company: AWK
Filing Date: 2025-12-17
Form Type: S-4
Source: 0001193125-25-321389
Chunk: 38

Company: American Water Works Company, Inc.
Filing Date: 2025-12-17
Form: S-4
Chunk 38
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 to additional costs
and expenses.

Assuming a quorum is present at the Essential special meeting, approval of the merger agreement proposal requires the affirmative vote of a
majority of the votes cast by all shareholders entitled to vote on the merger agreement proposal at the Essential special meeting. Abstentions and broker non-votes will have no effect on determining the
outcome of the merger agreement proposal.

21

Assuming a quorum is present at the Essential special meeting, approval of the merger-related compensation
proposal, which is a non-binding advisory vote, requires the approval of shareholders present, in person or by proxy, entitled to cast at least a majority of the votes which all shareholders present in person
or by proxy are entitled to cast at the Essential special meeting. Abstentions will be counted as a vote “AGAINST” the merger-related compensation proposal and broker non-votes will have no
effect on determining the outcome of the merger-related compensation proposal.

Whether or not a quorum is present, approval of the Essential adjournment
proposal requires the approval of shareholders present, in person or by proxy, entitled to cast at least a majority of the votes which all shareholders present in person or by proxy are entitled to cast at the Essential special meeting. Abstentions
will be counted as a vote “AGAINST” the Essential adjournment proposal and broker non-votes will have no effect on determining the outcome of the Essential adjournment proposal.

As of December 10, 2025, Essential’s directors and executive officers and their affiliates beneficially owned a total of 1,009,383 shares of
Essential common stock entitled to vote at the Essential special meeting, which represents less than 1% of Essential’s issued and outstanding common stock entitled to vote at the Essential special meeting. Essential anticipates that these
individuals will vote in favor of the proposals described above, although none of them have entered into any agreements obligating them to do so.

For
more information regarding the Essential special meeting, see “Information Regarding the Essential Special Meeting” beginning on page 53.

The Merger

At a special meeting
held on October 24, 2025, each of the members of the American Water board present at the meeting authorized, adopted, and approved the merger agreement and the merger, pursuant to which Merger Sub will merge with and into Essential, with
Essential surviving the merger as a wholly owned subsidiary of American Water. At a special meeting held on October 26, 2025,