Company: AWK
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001193125-25-064607
Chunk: 58

Company: American Water Works Company, Inc.
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 58
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 or the Code, up to 50 percent of their base salary and up to 100 percent of their APP payout, up to limits determined under the Code. For a NEO participant hired before January 1, 2006 (for 2024, this applies only to Ms. Norton), the matching contribution formula is 50 percent of a participant’s base salary contributions to the Savings Plan for the plan year, up to a maximum of 5 percent. For NEO participants hired or rehired on or after January 1, 2006 (for 2024, this applies to all NEOs except Ms. Norton), the matching contribution formula is (a) 100 percent of a participant’s base salary and APP contributions to the Savings Plan for the plan year up to the first 3 percent, and (b) 50 percent of a participant’s base salary and APP contributions to the Savings Plan for the plan year up to the next 2 percent. The Savings Plan does not match a participant’s catch-upcontributions. In addition, for NEO participants hired or rehired after January 1, 2006 (for 2024, this applies to all NEOs except Ms. Norton), we provide an employer defined contribution equal to 5.25 percent of the participant’s base salary, subject to limitations imposed under the Code. We provide more generous contributions to participants rehired or hired on or after January 1, 2006, because they are ineligible to participate in the defined benefit pension plans described below. Amounts credited to an employee’s account may be invested among a number of investment funds, and the value of a participant’s account will increase or decrease to reflect the performance of selected investments.

| AMERICAN WATER | 2025 PROXY STATEMENT |     | 41 |

Pension Plan and Executive Retirement Plan The Pension Plan for Employees of American Water Works Company, Inc. and its Designated Subsidiaries, or the AWWPP, is a tax-qualifieddefined benefit pension plan that is generally available to eligible employees who commenced employment with us prior to January 1, 2006. The AWWPP provides an annual retirement benefit based on an employee’s earnings and years of service. For executives hired prior to July 1, 2001, a grandfathered benefit is provided. Ms. Norton is the only NEO who participates in the AWWPP. The American Water Works Company, Inc. Executive Retirement Plan, or the ERP, is a nonqualified defined benefit pension plan