Company: AWK
Filing Date: 2025-12-29
Form Type: S-4/A
Source: 0001193125-25-332292
Chunk: 25

Company: American Water Works Company, Inc.
Filing Date: 2025-12-29
Form: S-4/A
Chunk 25
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 executed proxy cards with no instructions indicated on the proxy card will be voted “ FOR” the merger agreement proposal, “ FOR” the merger-related compensation proposal, and “ FOR” the Essential adjournment proposal.

| Q: | What happens if I sell my Essential common stock before the Essential special meeting? |

| A: | The record date for the Essential special meeting is earlier than the date of the Essential special meeting. If                                                                                                                                      
 you sell your shares of Essential common stock after the Essential record date but before the date of the Essential special meeting, you will retain any right to vote at the Essential special meeting, but you will have transferred your right to 
 receive the merger consideration. For Essential shareholders, in order to receive the merger consideration, you must hold your shares of Essential common stock through completion of the merger.                                                    |

| Q: | How do I submit a proxy or vote my shares at the Essential special meeting? |

| A: | How you vote your shares at the Essential special meeting depends on how you hold your shares. If you hold                                                                                                                                  
 shares of Essential common stock directly in your name with Computershare Trust Company, N.A., Essential’s transfer agent, including shares held through Essential’s dividend reinvestment and direct stock purchase plan, you are a holder 
 of record. If you hold your shares of Essential common stock through an intermediary, you hold your shares in “street name.”                                                                                                                |

Holders of Record If you are a holder of record of your shares of Essential common stock (including shares held through Essential’s dividend reinvestment and direct stock purchase plan), you may submit your proxy by mailing the enclosed proxy card, by telephone, or via the Internet, or you may vote virtually at the Essential special meeting by attending the live webcast at www.virtualshareholdermeeting.com/WTRG2026SM. If you hold your shares in more than one account, please be sure to submit a proxy for each proxy card you receive. Holders of record may vote by mail by completing, signing, and dating their enclosed proxy card and returning it in the accompanying pre-addressedenvelope for receipt no later than the close of business on February 9, 2026 in order for your vote to be counted at the Essential special meeting. Holders of record may submit their proxy by telephone by calling (800) 690-6903. Holders of record may submit their proxy via the Internet (see proxy card for instructions). In order for holders of record to vote their shares by telephone or via the Internet,