Company: AWK
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001193125-25-064607
Chunk: 71

Company: American Water Works Company, Inc.
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 71
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| Stacy A. Mitchell  |     | N/A           |     |         N/A |     |                           N/A |     | N/A             |

| (1) | Since Mses. Hardwick, Kennedy and Mitchell, and Messrs. Griffith and Bowler, were hired after January 1, 2006, they were not eligible to participate in the AWWPP or the ERP. |

| (2) | Amounts shown reflect the present value of the accumulated benefit as of December 31, 2024. All amounts for the AWWPP and the ERP were determined using the same interest and mortality assumptions as those used for financial reporting purposes. The following assumptions were used to calculate pension values at the following measurement dates: |

| · |     | In 2024, for discounting annuity payments, we used a discount rate of 5.70 percent and the Pri-2012 mortality base table with a 0.94 multiplier projected forward using generational Mortality Projection Scale MP-2021, and for calculating lump sums, we used an interest rate of 5.70 percent and the IRS Prescribed Table for Lump Sums for 2025. |

| · |     | In 2023, for discounting annuity payments, we used a discount rate of 5.18 percent and the Pri-2012 mortality base table projected forward using generational Mortality Projection Scale MP-2021, and for calculating lump sums, we used an interest rate of 5.18 percent and the IRS Prescribed Table for 2024. |

| (3) | Ms. Norton is eligible for a subsidized early retirement benefit payable in the form of an annuity under the provisions of the AWWPP and the ERP. |

| 52 |     | AMERICAN WATER | 2025 PROXY STATEMENT |

For further information on American Water’s defined benefit pension plans, see “—Description of Pension and Other Retirement Plans” below and “—Potential Payments on Termination or Change of Control—AWWPP and ERP.” DESCRIPTION OF PENSION AND OTHER RETIREMENT PLANS AWWPP

The AWWPP is a qualified pension plan that is generally available to eligible employees who commenced employment with us prior to January 1, 2006. The AWWPP generally provides participants hired prior to July 1, 2001, including Ms. Norton, a grandfathered benefit. For years of service prior to July 1, 2001, the grandfathered