Company: AWK
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001193125-25-064607
Chunk: 98

Company: American Water Works Company, Inc.
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 98
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 of the gain on sale of the HOS business in excess of $0.02 per share, minus (ii) the contribution to the American Water Charitable Foundation, plus (iii) the gain on sale of the Company’s New York subsidiary in excess of $0.02 per share. |

| AMERICAN WATER | 2025 PROXY STATEMENT |     | A-1 |

AMERICAN WATER WORKS COMPANY, INC. 1 WATER STREET CAMDEN, NJ 08102-1658 VOTE BY INTERNET Before The Meeting -Go to www.proxyvote.comor scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Time the day before the cut-off date or meeting date. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. During The Meeting- Go to www.virtualshareholdermeeting.com/AWK2025 You may attend the meeting via the Internet and vote during the meeting. Have the information that is printed in the box marked by the arrow available and follow the instructions. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions up until 11:59 p.m. Eastern Time the day before the cut-off date or meeting date. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: V69685-P24840 KEEP THIS PORTION FOR YOUR RECORDS — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — DETACH AND RETURN THIS PORTION ONLY THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED.

AMERICAN WATER WORKS COMPANY, INC.

| The Board of Directors recommends that you vote FOR the nominees listed below: |     |                       |     |                      |     |     |     |         |     |         |
| 1.                                                                             |     | Election of Directors |