AWK / American Water Works Company, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

American Water Works Company, Inc.
US ˙ NYSE ˙ US0304201033

Mga Batayang Estadistika
LEI 549300DXHIJQMD5WFW18
CIK 1410636
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to American Water Works Company, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 27, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2025 American Water Wo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 26, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdi

August 27, 2025 EX-99.1

American Water Appoints New Independent Member to the Board of Directors

Exhibit 99.1 American Water Appoints New Independent Member to the Board of Directors CAMDEN, N.J., AUGUST 27, 2025 – American Water Works Company, Inc. (NYSE: AWK) announced today that on August 26, 2025, Lisa A. Grow was appointed as an independent member of the company's board of directors, effective immediately. "American Water is pleased to have Lisa join our board of directors," said Karl Ku

August 8, 2025 EX-10.3

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EX-10.3 Exhibit 10.3 Mizuho Americas 1271 Avenue of the Americas New York, NY 10020 t: +1 212 282 3000 August 7, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: Mizuho Markets Americas LLC c/o Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd Floor New York, NY 10020 Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”)

August 8, 2025 EX-10.1

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EX-10.1 Exhibit 10.1 August 7, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: Wells Fargo Bank, National Association 30 Hudson Yards New York, NY 10001-2170 Email: [email protected] Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the transaction entere

August 8, 2025 EX-1.1

American Water Capital Corp. 1 Water Street Camden, New Jersey 08102 $900,000,000 5.700% Senior Notes due 2055 Support Agreement from American Water Works Company, Inc. Underwriting Agreement August 6, 2025

EX-1.1 Exhibit 1.1 American Water Capital Corp. 1 Water Street Camden, New Jersey 08102 $900,000,000 5.700% Senior Notes due 2055 Support Agreement from American Water Works Company, Inc. Underwriting Agreement August 6, 2025 U.S. Bancorp Investments, Inc. J.P. Morgan Securities LLC PNC Capital Markets LLC As representatives of the several Underwriters named in Schedule I hereto c/o U.S. Bancorp I

August 8, 2025 EX-10.2

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EX-10.2 Exhibit 10.2 August 7, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: JPMorgan Chase Bank, National Association New York Branch 383 Madison Avenue New York, NY 10179 Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the transaction entered into between us on the Trade Date sp

August 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

August 8, 2025 EX-4.1

AMERICAN WATER CAPITAL CORP. OFFICERS’ CERTIFICATE AUGUST 8, 2025 5.700% SENIOR NOTES DUE 2055 PURSUANT TO SECTIONS 102 AND 301 OF THE INDENTURE IDENTIFIED BELOW

EX-4.1 Exhibit 4.1 AMERICAN WATER CAPITAL CORP. OFFICERS’ CERTIFICATE AUGUST 8, 2025 5.700% SENIOR NOTES DUE 2055 PURSUANT TO SECTIONS 102 AND 301 OF THE INDENTURE IDENTIFIED BELOW The undersigned officers of American Water Capital Corp., a Delaware corporation (the “Company”), acting pursuant to an authorization contained in the unanimous written consent, dated July 31, 2025 of the Board of Direc

August 7, 2025 424B2

Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $900,000,000 5.700% Senior Notes due 2055

424B2 Filed Pursuant to Rule 424(b)(2) File Number 333-277166-01 File Number 333-277166 Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp.

August 7, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 American Water Capital Corp. Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forwar

August 6, 2025 424B2

Prospectus Supplement to Prospectus dated February 20, 2024 7,042,254 Shares American Water Works Company, Inc. Common Stock

424B2 Filed Pursuant to Rule 424(b)(2) File Number 333-277166 Prospectus Supplement to Prospectus dated February 20, 2024 7,042,254 Shares American Water Works Company, Inc.

August 6, 2025 424B5

Subject to Completion, Dated August 6, 2025 Preliminary Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $    % Senior Notes due 20 

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) File Number 333-277166-01 File Number 333-277166 The information in this preliminary prospectus supplement is not complete and may be changed.

August 6, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 American Water Works Company, Inc. Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry

August 6, 2025 EX-1.1

American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 7,042,254 Shares of Common Stock Underwriting Agreement

EX-1.1 Exhibit 1.1 EXECUTION VERSION American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 7,042,254 Shares of Common Stock Underwriting Agreement August 4, 2025 Wells Fargo Securities, LLC 500 West 33rd Street, 14th Floor New York, New York 10001 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd F

August 6, 2025 FWP

PRICING TERM SHEET

FWP Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement Nos.

August 6, 2025 EX-10.1

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EX-10.1 Exhibit 10.1 August 4, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: Wells Fargo Bank, National Association 30 Hudson Yards New York, NY 10001-2170 Email: [email protected] Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the transaction entere

August 6, 2025 EX-10.3

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EX-10.3 Exhibit 10.3 Mizuho Americas 1271 Avenue of the Americas New York, NY 10020 t: +1 212 282 3000 August 4, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: Mizuho Markets Americas LLC c/o Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd Floor New York, NY 10020 Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”)

August 6, 2025 EX-10.2

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EX-10.2 Exhibit 10.2 August 4, 2025 To: American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 From: JPMorgan Chase Bank, National Association New York Branch 383 Madison Avenue New York, NY 10179 Ladies and Gentlemen, The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the transaction entered into between us on the Trade Date sp

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2025 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

August 4, 2025 424B5

Subject to Completion, Dated August 4, 2025 Preliminary Prospectus Supplement to Prospectus dated February 20, 2024 American Water Works Company, Inc. Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) File Number 333-277166 The information in this preliminary prospectus supplement is not complete and may be changed.

August 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2025 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

August 1, 2025 EX-99.1

Maryland American Water Files Rate Request Driven by $22 Million of Investment Over Last Seven Years Request reinforces company’s commitment to providing safe, clean, reliable and affordable service

Exhibit 99.1 Maryland American Water Files Rate Request Driven by $22 Million of Investment Over Last Seven Years Request reinforces company’s commitment to providing safe, clean, reliable and affordable service Bel Air, M.D. (August 1, 2025) – Maryland American Water filed a request today with the Maryland Public Service Commission (PSC) for new rates, reflecting $22 million of water system inves

July 30, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

July 30, 2025 EX-99.1

AMERICAN WATER REPORTS SOLID SECOND QUARTER RESULTS NARROWS 2025 EPS GUIDANCE TO TOP HALF OF RANGE AFFIRMS LONG-TERM TARGETS

Exhibit 99.1 July 30, 2025 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Executive Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS SOLID SECOND QUARTER RESULTS NARROWS 2025 EPS GUIDANCE TO TOP HALF OF RANGE AFFIRMS LONG-TERM TARGETS •Second qu

July 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2025 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

July 30, 2025 EX-10.3

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Stock Unit Grant Form for Non-Employee Directors.

Exhibit 10.3 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN STOCK UNIT GRANT This STOCK UNIT GRANT, dated as of May 14, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Board of Directors of the Company (the “Board”) has determined to grant each non-employee director of the Company

July 1, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

July 1, 2025 EX-99.1

California American Water Files Rate Request Driven by Approximately $750 Million in Infrastructure Improvements Request reinforces company’s commitment to providing safe, clean, reliable and affordable service

Exhibit 99.1 California American Water Files Rate Request Driven by Approximately $750 Million in Infrastructure Improvements Request reinforces company’s commitment to providing safe, clean, reliable and affordable service SACRAMENTO, Calif. – (July 1, 2025) – California American Water filed a request today with the California Public Utilities Commission (CPUC) for new rates, reflecting approxima

June 9, 2025 EX-99.1

American Water Appoints New Independent Member to the Board of Directors

Exhibit 99.1 American Water Appoints New Independent Member to the Board of Directors CAMDEN, N.J., JUNE 9, 2025 – American Water Works Company, Inc. (NYSE: AWK) announced today that Raffiq Nathoo has been appointed as an independent member of the company's board of directors, effective today. "American Water is pleased to have Raffiq join our board of directors," said Karl Kurz, Board Chair of Am

June 9, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 22, 2025 EX-99.1

Iowa American Water Granted New Rates by Iowa Utilities Commission Increase Driven by Over $157 Million in Infrastructure Investments

Exhibit 99.1 Iowa American Water Granted New Rates by Iowa Utilities Commission Increase Driven by Over $157 Million in Infrastructure Investments DAVENPORT, IOWA. (MAY 22, 2025) – The Iowa Utilities Commission (IUC) issued an order on May 21 approving new water and wastewater rates for Iowa American Water. The company’s rate request was filed on May 1, 2024, and was primarily driven by over $157

May 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2025 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 19, 2025 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 19, 2025 EX-2.1

Purchase and Sale Agreement, dated as of May 19, 2025, between Nexus Regulated Utilities, LLC and American Water Works Company, Inc. (incorporated by reference to Exhibit 2.1 to American Water Works Company’s Inc. Current Report on Form 8-K, File No. 001-34028, filed May 19, 2025).

Exhibit 2.1 Execution Version PURCHASE AND SALE AGREEMENT between Nexus Regulated Utilities, LLC, as Seller, and American Water Works Company, Inc., as Purchaser Dated as of May 19, 2025 Table of Contents ARTICLE I DEFINITIONS 1     1.01 Definitions 1 1.02 Interpretation; Construction 17 ARTICLE II SALE AND PURCHASE 18 2.01 Sale and Purchase 18 2.02 Purchase Price; Estimated Closing Statement 18 2

May 19, 2025 EX-99.1

American Water Agrees to Purchase Nexus Water Group Systems in Eight States

Exhibit 99.1 American Water Agrees to Purchase Nexus Water Group Systems in Eight States CAMDEN, N.J. – MAY 19, 2025 – American Water Works Company, Inc. (NYSE: AWK), the largest regulated water and wastewater utility company in the U.S., announced today that it has agreed with Nexus Regulated Utilities, LLC, a subsidiary of Nexus Water Group, Inc. (“Nexus Water Group”), to purchase multiple water

May 16, 2025 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 16, 2025 EX-99.1

Kentucky American Water Files Rate Request Driven by More Than $212 Million in Investment Request reinforces company’s commitment to providing safe, clean, reliable and affordable service

Exhibit 99.1 Kentucky American Water Files Rate Request Driven by More Than $212 Million in Investment Request reinforces company’s commitment to providing safe, clean, reliable and affordable service LEXINGTON, Ky. (May 16, 2025) – Kentucky American Water filed a request today with the Kentucky Public Service Commission (PSC) for new rates, reflecting more than $212 million in system investments.

May 7, 2025 EX-99.1

Missouri American Water Rate Order Settlement Approved by Missouri Public Service Commission Increase Driven by $1.1 Billion in Infrastructure Investments

Exhibit 99.1 Missouri American Water Rate Order Settlement Approved by Missouri Public Service Commission Increase Driven by $1.1 Billion in Infrastructure Investments ST. LOUIS, Mo. (May 7, 2025) – The Missouri Public Service Commission (MoPSC) today approved a settlement for new water and wastewater rates for Missouri American Water. The company’s rate request was filed on July 1, 2024, and was

May 7, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 5, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 5, 2025 EX-99.1

West Virginia American Water Files Rate Request Driven by More Than $300 Million of Investment Request reinforces company’s commitment to providing safe, clean, and reliable service

Exhibit 99.1 West Virginia American Water Files Rate Request Driven by More Than $300 Million of Investment Request reinforces company’s commitment to providing safe, clean, and reliable service Charleston, W.Va. (May 5, 2025) – West Virginia American Water filed a request today with the Public Service Commission of West Virginia (PSC) for new rates, reflecting more than $300 million of water and

April 30, 2025 EX-22.1

Guaranteed Securities.

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

April 30, 2025 EX-10.11

Offer Letter for Employment, effective May 14, 2025, between American Water Works Company, Inc. and John C. Griffith.

Exhibit 10.11 April 30, 2025 Mr. John Griffith [REDACTED] [REDACTED] Dear John: On behalf of American Water Works Company, Inc. (the “Company”) and its Board of Directors, we are pleased to offer you the position of President and Chief Executive Officer, effective on May 14, 2025 at the conclusion of the Company’s annual shareholder meeting. As President and Chief Executive Officer of the Company,

April 30, 2025 EX-99.1

AMERICAN WATER REPORTS FIRST QUARTER 2025 RESULTS ON TRACK AFFIRMS 2025 EPS GUIDANCE AND LONG-TERM TARGETS

Exhibit 99.1 April 30, 2025 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Executive Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS FIRST QUARTER 2025 RESULTS ON TRACK AFFIRMS 2025 EPS GUIDANCE AND LONG-TERM TARGETS •First quarter 2025 earning

April 30, 2025 EX-10.9

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grants Form C-1.

Exhibit 10.9 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 EX-10.8

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grants Form B-2 (for CEO, President, COO and CFO).

Exhibit 10.8 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 EX-10.7

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grants Form B-1.

Exhibit 10.7 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

April 30, 2025 EX-10.6

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grants Form A-2 (for CEO, President, COO and CFO).

Exhibit 10.6 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 EX-10.5

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grant Form A-1.

Exhibit 10.5 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 EX-10.13

Severance Agreement and General Release, effective as of March 22, 2025, between American Water Works Service Company, Inc. and Melanie M. Kennedy.

Exhibit 10.13 SEVERANCE AGREEMENT AND GENERAL RELEASE This Severance Agreement and General Release (“Agreement”) is between American Water Works Service Company, Inc. (“American Water” or the “Company”) and Melanie Kennedy (“Executive”). WHEREAS, Executive is a full-time executive employee of American Water; WHEREAS, American Water Works Company, Inc. agreed to a separation from service with Execu

April 30, 2025 EX-10.12

Offer Letter for Employment, effective April 1, 2025, between American Water Works Company, Inc. and Lori Sutton.

Exhibit 10.12 March 24, 2025 Ms. Lori Sutton [REDACTED] [REDACTED] Dear Lori: On behalf of American Water Works Service Company, Inc., I am pleased to confirm your new position of Senior Vice President, Chief Human Resources Officer reporting to John Griffith, President, at our Evansville, Indiana office. The effective date of your new position is April 1, 2025. We are confident that you will find

April 30, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

April 30, 2025 EX-10.3

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Restricted Stock Unit Grant.

Exhibit 10.3 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

April 30, 2025 EX-10.10

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Performance Stock Unit Grants Form C-2 (for CEO, President, COO and CFO).

Exhibit 10.10 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 30, 2025 EX-10.4

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2025 Restricted Stock Unit Grant (for CEO, President, COO and CFO).

Exhibit 10.4 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 18, 2025 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

April 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

March 27, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒      Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitiv

March 27, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒      Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 25, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 24, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

March 21, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period to Commission File Number: 001-34028 A. Full title of the plan and t

March 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2025 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

February 28, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 27, 2025 EX-4.1

Officers’ Certificate of American Water Capital Corp., dated February 27, 2025, establishing the 5.250% Senior Notes due 2035 (incorporated by reference to Exhibit 4.1 to American Water Works Company, Inc.’s Current Report on Form 8-K, File No. 001-34028, filed February 27, 2025).

Exhibit 4.1 AMERICAN WATER CAPITAL CORP. OFFICERS’ CERTIFICATE FEBRUARY 27, 2025 5.250% SENIOR NOTES DUE 2035 PURSUANT TO SECTIONS 102 AND 301 OF THE INDENTURE IDENTIFIED BELOW The undersigned officers of American Water Capital Corp., a Delaware corporation (the “Company”), acting pursuant to an authorization contained in the unanimous written consent, dated February 22, 2025 of the Board of Direc

February 27, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 27, 2025 S-3ASR

As filed with the Securities and Exchange Commission on February 27, 2025

As filed with the Securities and Exchange Commission on February 27, 2025 Registration No.

February 27, 2025 EX-99.1

Virginia American Water Granted New Rates by Virginia State Corporation Commission Increase Driven by $110 Million in Infrastructure Investments

Exhibit 99.1 Virginia American Water Granted New Rates by Virginia State Corporation Commission Increase Driven by $110 Million in Infrastructure Investments ALEXANDRIA, Va. (February 27, 2025) – The Virginia State Corporation Commission (SCC) has approved a settlement for new water and wastewater rates for Virginia American Water. The approved rates represent a total annualized revenue increase o

February 27, 2025 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-3 American Water Works Company, Inc. Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial

February 27, 2025 EX-1.1

Underwriting Agreement, dated February 24, 2025, by and among AWCC, American Water, BofA Securities, Inc., PNC Capital Markets LLC and RBC Capital Markets, LLC, as representatives of the several underwriters named therein.

Exhibit 1.1 American Water Capital Corp. 1 Water Street Camden, New Jersey 08102 $800,000,000 5.250% Senior Notes due 2035 Support Agreement from American Water Works Company, Inc. Underwriting Agreement February 24, 2025 BofA Securities, Inc. PNC Capital Markets LLC RBC Capital Markets, LLC As representatives of the several Underwriters named in Schedule I hereto c/o BofA Securities, Inc. One Bry

February 27, 2025 EX-22.1

Guaranteed Securities

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

February 25, 2025 424B2

Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $800,000,000 5.250% Senior Notes due 2035

Filed Pursuant to Rule 424(b)(2) File Number 333-277166-01 File Number 333-277166 Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp.

February 25, 2025 EX-FILING FEES

Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Capital Corp. American Water Works Company, Inc. (2) (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securiti

Exhibit 107 Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Capital Corp.

February 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2025 American Water

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 24, 2025 FWP

American Water Capital Corp. American Water Works Company, Inc. $800,000,000 5.250% Senior Notes due 2035 Issuer: American Water Capital Corp. Support Provider: American Water Works Company, Inc. Security: 5.250% Senior Notes due 2035 Size: $800,000,

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement Nos. 333-277166 and 333-277166-01 February 24, 2025 American Water Capital Corp. American Water Works Company, Inc. $800,000,000 5.250% Senior Notes due 2035 Issuer: American Water Capital Corp. Support Provider: American Water Works Company, Inc. Security: 5.250% Senior Notes due 2035 Size: $800,000,000 Trade Date: February

February 24, 2025 424B5

Subject to Completion, Dated February 24, 2025 Preliminary Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $    % Senior Notes due 20 

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) File Number 333-277166-01 File Number 333-277166 The information in this preliminary prospectus supplement is not complete and may be changed.

February 19, 2025 EX-10.16 27

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form B-2 (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.27 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equ

February 19, 2025 EX-99.1

AMERICAN WATER REPORTS 2024 RESULTS ON TRACK AFFIRMS LONG-TERM GROWTH TARGETS CEO HARDWICK TO RETIRE IN MAY; GRIFFITH TO ASSUME CEO ROLE

Exhibit 99.1 February 19, 2025 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Executive Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS 2024 RESULTS ON TRACK AFFIRMS LONG-TERM GROWTH TARGETS CEO HARDWICK TO RETIRE IN MAY; GRIFFITH TO ASSUME CEO

February 19, 2025 EX-10.16 29

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form C-2 (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.29 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equ

February 19, 2025 EX-10.16 30

Amendments to Forms of 2023 and 2024 Long-Term Performance Plan Grant Documents (other than for CEO, CFO and COO) (filed herewith).

Exhibit 10.16.30 AMENDMENT TO FORMS OF 2023 AND 2024 LONG-TERM PERFORMANCE PLAN GRANT DOCUMENTS FOR MAUREEN DUFFY, MELANIE M. KENNEDY AND STACY A. MITCHELL Effective December 6, 2024, Section 15 of the grant documents for the 2023 and 2024 Restricted Stock Unit Grants has been amended for each of the above-referenced executive officers of American Water Works Company, Inc., as follows: 15. Withhol

February 19, 2025 EX-10.16 23

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form B-2 (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.23 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equ

February 19, 2025 EX-4.25

Description of American Water Works Company, Inc.’s Equity Securities (filed herewith).

Exhibit 4.25 DESCRIPTION OF AMERICAN WATER WORKS COMPANY, INC.’S EQUITY SECURITIES The following description of the common stock, par value $0.01 per share (the “Common Stock”), of American Water Works Company, Inc., a Delaware corporation (the “Company”), is not intended to be complete. For more information regarding the Common Stock, please refer to the Company’s Restated Certificate of Incorpor

February 19, 2025 EX-21.1

Subsidiaries of American Water Works Company, Inc. (filed herewith).

Exhibit 21.1 American Water Works Company, Inc.’s Subsidiaries As of February 19, 2025 Entity Name Entity Type Jurisdiction of Organization American Lake Water Company Corporation Illinois American Water (USA), LLC Limited Liability Company Delaware American Water Canada Corp. Corporation Ontario American Water Capital Corp. Corporation Delaware American Water Enterprises Holding, LLC Limited Liab

February 19, 2025 EX-10.16 25

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form A-2 (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.25 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equ

February 19, 2025 EX-10.8

Offer Letter for Employment, dated November 1, 2024, between American Water Works Company, Inc. and Maureen Duffy (filed herewith).

Exhibit 10.8 November 1, 2024 Ms. Maureen Duffy [REDACTED] [REDACTED] Dear Maureen: On behalf of American Water Works Service Company, Inc., I am pleased to confirm your new position of Executive Vice President, Communications and External Affairs reporting to John Griffith, President, at our Camden, New Jersey headquarters office. The effective date of your new position is November 1, 2024. We ar

February 19, 2025 EX-10.16 10

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Restricted Stock Unit Grant (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.10 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equit

February 19, 2025 EX-10.20 3

Amendment No. 2 to Secured Seller Note Agreement, dated as of December 3, 2024, by and among Lakehouse Bidco Inc., Lakehouse Buyer Inc., American Water Resources, LLC, Pivotal Home Solutions, LLC, American Water Resources Holdings, LLC, American Water Resources of Texas, LLC, American Water Resources of Florida, LLC, and American Water Enterprises, LLC (filed herewith).

Exhibit 10.20.3 Execution Version AMENDMENT NO. 2 TO SECURED SELLER NOTE AGREEMENT This AMENDMENT NO. 2 TO SECURED SELLER NOTE AGREEMENT, dated as of December 3, 2024 (this “Amendment”), is entered into by and among Lakehouse BidCo Inc., a Delaware corporation (“Holdings”), Lakehouse Buyer Inc., a Delaware corporation (the “Borrower”), each Subsidiary Guarantor party hereto and American Water Ente

February 19, 2025 EX-22.1

Guaranteed Securities (filed herewith).

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

February 19, 2025 EX-10.16 8

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Restricted Stock Unit Grant (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.8 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

February 19, 2025 EX-10.16 21

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form A-2 (for CEO, CFO and COO), as amended (filed herewith).

Exhibit 10.16.21 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equ

February 19, 2025 EX-19.2

Personal Securities Trading and Preclearance Practice, as amended, effective April 26, 2023 (filed herewith).

Exhibit 19.2 Personal Securities Trading and Preclearance Practice Policy Number: PRA-LEG01/01 Effective Date: 04/26/2023 Applicability: American Water Works Company, Inc. and its subsidiaries Executive Sponsor: Executive Vice President and General Counsel Document Owner and Approver: Vice President, Chief SEC Counsel and Secretary I.PURPOSE This Practice has been adopted in connection with the In

February 19, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2025 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 19, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34

February 19, 2025 EX-19.1

Insider Trading and Prohibited Transactions Policy, as amended, effective December 1, 2024 (filed herewith).

Exhibit 19.1 Insider Trading and Prohibited Transactions Policy Policy Number: POL-LEG01 Effective Date: 12/1/2024 Applicability: American Water Works Company, Inc. and its subsidiaries ELT Sponsor: Executive Vice President and General Counsel Document Author: Vice President, Chief SEC Counsel and Secretary I.PURPOSE This Policy governs securities trading and transactions and the confidentiality o

December 6, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

December 6, 2024 EX-99.1

Illinois American Water Granted New Rates by Illinois Commerce Commission Increase Driven by Approximately $557 Million in System Investments

Exhibit 99.1 Illinois American Water Granted New Rates by Illinois Commerce Commission Increase Driven by Approximately $557 Million in System Investments Belleville, Ill. (Dec. 6, 2024) The Illinois Commerce Commission (ICC) issued an order Thursday approving new water and wastewater base rates for Illinois American Water, driven primarily by $557 million in capital investments in 2024 and 2025.

December 6, 2024 EX-99.1

California Public Utilities Commission Approves and Adopts Partial Settlement in California American Water’s General Rate Case

Exhibit 99.1 California Public Utilities Commission Approves and Adopts Partial Settlement in California American Water’s General Rate Case SACRAMENTO, Calif. – Dec. 6, 2024 – The California Public Utilities Commission (CPUC) approved and adopted a partial settlement agreement in California American Water’s General Rate Case at its meeting on December 5, 2024. The decision adopts a partial settlem

December 6, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

November 12, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 American Water W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

November 12, 2024 EX-99.1

Kentucky American Water Receives Approval for New Rates from Kentucky Public Service Commission Supports $330 Million in System Investments

Exhibit 99.1 Kentucky American Water Receives Approval for New Rates from Kentucky Public Service Commission Supports $330 Million in System Investments Lexington, Ky., (November 12, 2024) – The Kentucky Public Service Commission (PSC) has issued an order approving adjusted water rates for Kentucky American Water following the company’s June 2023 request for a rate adjustment and a previous PSC or

October 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 30, 2024 EX-99.2

Aaron Musgrave Vice President, Investor Relations 2

Exhibit 99.2 2024 Third Quarter Earnings & 2025 Outlook Conference Call October 31, 2024 Aaron Musgrave Vice President, Investor Relations 2 FORWARD-LOOKING STATEMENTS Safe Harbor This presentation includes forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and the Federal securities laws. They are not guarantees or a

October 30, 2024 EX-10.6

Offer Letter for Employment, dated August 1, 2024, between American Water Works Company, Inc. and Stacy A. Mitchell.

Exhibit 10.6 August 1, 2024 Ms. Stacy Mitchell [REDACTED] [REDACTED] Dear Stacy: On behalf of American Water Works Service Company, Inc., I am pleased to confirm your position of Executive Vice President and General Counsel reporting to John Griffith, President, at our Camden, New Jersey headquarters office. The effective date of your new position was Wednesday, June 5, 2024. We are confident that

October 30, 2024 EX-10.4

, between American Water Works Company, Inc. and John C. Griffith (incorporated by reference to Exhibit 10.

Exhibit 10.4 August 1, 2024 Mr. John Griffith [REDACTED] [REDACTED] Dear John: On behalf of American Water Works Service Company, Inc., I am pleased to confirm your new position of President reporting to M. Susan Hardwick, Chief Executive Officer, at our Camden, New Jersey headquarters office. The effective date of your new position is August 1, 2024. We are confident that you will find your new p

October 30, 2024 EX-99.1

AMERICAN WATER REPORTS STRONG THIRD QUARTER 2024 RESULTS AFFIRMS LONG-TERM TARGETS AND 2024 EPS GUIDANCE ANNOUNCES 2025 EPS GUIDANCE, REFLECTING GROWTH OF 8%

Exhibit 99.1 October 30, 2024 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS STRONG THIRD QUARTER 2024 RESULTS AFFIRMS LONG-TERM TARGETS AND 2024 EPS GUIDANCE ANNOUNCES 2025 EPS GUIDANCE, R

October 30, 2024 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

October 30, 2024 EX-10.5

Offer Letter for Employment, dated August 1, 2024, between American Water Works Company, Inc. and David M. Bowler.

Exhibit 10.5 August 1, 2024 Mr. David Bowler [REDACTED] [REDACTED] Dear David: On behalf of American Water Works Service Company, Inc., I am pleased to confirm your new position of Executive Vice President and Chief Financial Officer reporting to John Griffith, President, at our Camden, New Jersey headquarters office. The effective date of your new position is August 1, 2024. We are confident that

October 30, 2024 EX-10.10

Omnibus Amendment No. 1 to Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grants (PSU-ROE) (for Section 16 officers only).

Exhibit 10.10 OMNIBUS AMENDMENT NO. 1 TO AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN 2024 PERFORMANCE STOCK UNIT GRANTS This AMENDMENT NO. 1 hereby serves to amend certain outstanding PERFORMANCE STOCK UNIT GRANTS to each of the participants in the Plan (as defined below) whose names are set forth on Exhibit A attached hereto (each, a “Participant”), and with such date

October 30, 2024 EX-10.3

, between American Water Works Company, Inc. and M. Susan Hardwick (incorporated by reference to Exhibit 10.3 to American Water Works Company, Inc.’s

Exhibit 10.3 August 1, 2024 Ms. M. Susan Hardwick [REDACTED] [REDACTED] Dear Susan: On behalf of American Water Works Service Company, Inc., I am confirming your new position as Chief Executive Officer at our Camden, New Jersey headquarters office. The effective date of your new position is August 1, 2024. The terms described in this offer letter are subject to the recommendation of the Executive

October 30, 2024 EX-10.7

Omnibus Amendment No. 1 to American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2022, 2023 and 2024 Restricted Stock Unit Grants (for Section 16 officers only).

Exhibit 10.7 OMNIBUS AMENDMENT NO. 1 TO AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN 2022, 2023 AND 2024 RESTRICTED STOCK UNIT GRANTS This AMENDMENT NO. 1 hereby serves to amend certain outstanding RESTRICTED STOCK UNIT GRANTS to each of the participants in the Plan (as defined below) whose names are set forth on Exhibit A attached hereto (each, a “Participant”), and wi

October 30, 2024 EX-10.9

Omnibus Amendment No. 1 to Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2022, 2023 and 2024 Performance Stock Unit Grants (PSU-EPS) (for Section 16 officers only).

Exhibit 10.9 OMNIBUS AMENDMENT NO. 1 TO AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN 2022, 2023 AND 2024 PERFORMANCE STOCK UNIT GRANTS This AMENDMENT NO. 1 hereby serves to amend certain outstanding PERFORMANCE STOCK UNIT GRANTS to each of the participants in the Plan (as defined below) whose names are set forth on Exhibit A attached hereto (each, a “Participant”), and

October 30, 2024 EX-10.8

Omnibus Amendment No. 1 to Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2022, 2023 and 2024 Performance Stock Unit Grants (PSU-TSR) (for Section 16 officers only).

Exhibit 10.8 OMNIBUS AMENDMENT NO. 1 TO AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN 2022, 2023 AND 2024 PERFORMANCE STOCK UNIT GRANTS This AMENDMENT NO. 1 hereby serves to amend certain outstanding PERFORMANCE STOCK UNIT GRANTS to each of the participants in the Plan (as defined below) whose names are set forth on Exhibit A attached hereto (each, a “Participant”), and

October 30, 2024 EX-99.1

American Water Appoints New Independent Member to the Board of Directors

Exhibit 99.1 American Water Appoints New Independent Member to the Board of Directors CAMDEN, N.J., OCTOBER 30, 2024 – American Water Works Company, Inc. (NYSE: AWK) announced today that Stuart M. McGuigan has been appointed as an independent member of the company's board of directors, effective Oct. 29, 2024. "American Water is pleased to have Stuart join our board of directors," said Karl Kurz,

October 30, 2024 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

October 30, 2024 EX-10.2

, by and among American Water Works Company, Inc., American Water Capital Corp., each of the Lenders party thereto, and Wells Fargo Bank, National Association, as administrative agent (incorporated by reference to Exhibit 10.

Exhibit 10.2 Execution Version EXTENSION AGREEMENT This EXTENSION AGREEMENT (this “Agreement”), dated as of October 28, 2024, is entered into among AMERICAN WATER CAPITAL CORP., a Delaware corporation (“AWCC” or the “Borrower”), the Lenders party hereto, and Wells Fargo Bank, National Association, as administrative agent for the Lenders (the “Administrative Agent”). RECITALS AWCC, the Lenders and

October 10, 2024 EX-99.1

American Water Reactivating Systems After Cyber Event

Exhibit 99.1 American Water Reactivating Systems After Cyber Event Camden, N.J. – OCTOBER 10, 2024 – American Water (NYSE: AWK), the largest regulated water and wastewater utility company in the U.S., announced today that it is in the process of methodically and securely reconnecting and reactivating the systems that were taken offline due to its cybersecurity incident communicated on Oct. 7. The

October 10, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

October 7, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdi

September 27, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2024 American Water

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juri

September 20, 2024 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 19, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juri

September 4, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 4, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

September 4, 2024 EX-99.1

New Jersey American Water Granted New Rates by New Jersey Board of Public Utilities Increase Driven by System Investments; New Affordability Tariff Approved

Exhibit 99.1 New Jersey American Water Granted New Rates by New Jersey Board of Public Utilities Increase Driven by System Investments; New Affordability Tariff Approved CAMDEN, N.J. (September 4, 2024) – The New Jersey Board of Public Utilities (BPU) today approved a settlement between New Jersey American Water and the N.J. Division of Rate Counsel and BPU Staff for new water and wastewater rates

August 29, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2024 American Water Wo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdi

August 29, 2024 EX-99.1

Pennsylvania American Water and Towamencin Township to Terminate the Sale of Wastewater System

Exhibit 99.1 Pennsylvania American Water and Towamencin Township to Terminate the Sale of Wastewater System MECHANICSBURG, Pa. (Aug. 28, 2024) – Pennsylvania American Water (PAW) and Towamencin Township will begin the process of terminating the sale of the township’s wastewater system, subject to formal approval at Towamencin’s next Board of Supervisors’ meeting. On June 14, 2022, Towamencin execu

August 21, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2024 American Water Wo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdi

August 5, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

August 5, 2024 EX-99.1

Hawaii American Water Files Rate Request Driven by $41 Million in Wastewater System Investments

Exhibit 99.1 Hawaii American Water Files Rate Request Driven by $41 Million in Wastewater System Investments HONOLULU, HI (August 5, 2024) – On August 2, Hawaii American Water filed a rate adjustment request with the Hawaii Public Utilities Commission (HPUC) for its Hawaii Kai, Mauna Lani, and Waimea wastewater service customers reflecting $41 million in local wastewater infrastructure replacement

July 31, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

July 31, 2024 EX-10.1

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Stock Unit Grant Form for Non-Employee Directors.

Exhibit 10.1 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN STOCK UNIT GRANT This STOCK UNIT GRANT, dated as of May 15, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Board of Directors of the Company (the “Board”) has determined to grant each non-employee director of the Company

July 31, 2024 EX-99.1

AMERICAN WATER REPORTS SOLID SECOND QUARTER 2024 RESULTS NARROWS 2024 EPS GUIDANCE TO TOP HALF OF RANGE AFFIRMS LONG-TERM TARGETS ANNOUNCES LEADERSHIP CHANGES

Exhibit 99.1 July 31, 2024 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS SOLID SECOND QUARTER 2024 RESULTS NARROWS 2024 EPS GUIDANCE TO TOP HALF OF RANGE AFFIRMS LONG-TERM TARGETS ANNOUNCE

July 31, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

July 31, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

July 23, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 22, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

July 23, 2024 EX-99.1

Pennsylvania American Water Receives Rate Order from Pennsylvania Public Utility Commission Reflects $1 billion in system investments to address aging water and wastewater infrastructure, with expanded customer assistance programs

Exhibit 99.1 Pennsylvania American Water Receives Rate Order from Pennsylvania Public Utility Commission Reflects $1 billion in system investments to address aging water and wastewater infrastructure, with expanded customer assistance programs MECHANICSBURG, Pa. (July 23, 2024) – The Pennsylvania Public Utility Commission (PUC) issued an order on July 22 approving adjusted water and wastewater rat

July 1, 2024 EX-99.1

Missouri American Water Files Rate Request Driven by $1.5 Billion in Water and Wastewater System Investments

Exhibit 99.1 Missouri American Water Files Rate Request Driven by $1.5 Billion in Water and Wastewater System Investments ST. LOUIS, Mo. (July 1, 2024) – Missouri American Water filed a request today with the Missouri Public Service Commission (MoPSC) reflecting $1.5 billion in water and wastewater system investments completed and planned from January 2023 to May 2026. The request reinforces the c

July 1, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

June 5, 2024 EX-99.1

American Water Names Stacy Mitchell Executive Vice President and General Counsel

Exhibit 99.1 American Water Names Stacy Mitchell Executive Vice President and General Counsel CAMDEN, N.J. – JUNE 5, 2024 – American Water (NYSE: AWK), the largest regulated water and wastewater utility company in the U.S., announced today that Stacy A. Mitchell has been named Executive Vice President and General Counsel. Mitchell replaces James H. Gallegos upon his retirement. "While we wish Jim

June 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2024 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 17, 2024 8-K

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 1, 2024 EX-10.2

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Restricted Stock Unit Grant (for CEO, CFO and COO).

Exhibit 10.2 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

May 1, 2024 EX-10.1

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Restricted Stock Unit Grant.

Exhibit 10.1 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

May 1, 2024 EX-10.4

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form A-2 (for CEO, CFO and COO).

Exhibit 10.4 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

May 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 1, 2024 EX-10.8

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form C-2 (for CEO, CFO and COO).

Exhibit 10.8 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

May 1, 2024 EX-22.1

Guaranteed Securities.

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

May 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 1, 2024 EX-10.5

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form B-1.

Exhibit 10.5 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

May 1, 2024 EX-10.7

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form C-1.

Exhibit 10.7 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

May 1, 2024 EX-99.1

AMERICAN WATER REPORTS SOLID FIRST QUARTER 2024 RESULTS AFFIRMS 2024 EPS GUIDANCE AND LONG-TERM GROWTH TARGETS

Exhibit 99.1 May 1, 2024 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS SOLID FIRST QUARTER 2024 RESULTS AFFIRMS 2024 EPS GUIDANCE AND LONG-TERM GROWTH TARGETS •First quarter 2024 earnings

May 1, 2024 EX-10.6

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form B-2 (for CEO, CFO and COO).

Exhibit 10.6 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

May 1, 2024 EX-10.3

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2024 Performance Stock Unit Grant Form A-1.

Exhibit 10.3 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 13, 2024 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

March 26, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒      Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy

March 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒      Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 22, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period to Commission File Number: 001-34028 A. Full title of the plan and t

March 11, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

March 11, 2024 EX-99.1

Illinois American Water Completes Acquisition Of Granite City’s Wastewater Treatment Facility Acquisition Adds Approximately 26,000 Wastewater Customers In Company’s Footprint

Exhibit 99.1 Illinois American Water Completes Acquisition Of Granite City’s Wastewater Treatment Facility Acquisition Adds Approximately 26,000 Wastewater Customers In Company’s Footprint Granite City, Ill. – (March 11, 2024) – Illinois American Water, a subsidiary of American Water completed its acquisition of the assets of the wastewater treatment plant of Granite City for $86 million. The wast

March 4, 2024 EX-99.1

West Virginia American Water Receives Base Rate and Surcharge Orders from Public Service Commission of West Virginia Supports Needed Infrastructure investments of $287 Million

Exhibit 99.1 West Virginia American Water Receives Base Rate and Surcharge Orders from Public Service Commission of West Virginia Supports Needed Infrastructure investments of $287 Million CHARLESTON, W.Va. (Mar. 4, 2024) – The Public Service Commission of West Virginia (PSC) issued an order late Friday, February 23 approving adjusted water and wastewater rates for West Virginia American Water cus

March 4, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

February 23, 2024 EX-4.2

Officers’ Certificate of American Water Capital Corp., dated February 23, 2024, establishing the 5.450% Senior Notes due 2054 (incorporated by reference to Exhibit 4.2 to American Water Works Company, Inc.’s Current Report on Form 8-K, File No. 001-34028, filed February 23, 2024).

Exhibit 4.2 AMERICAN WATER CAPITAL CORP. OFFICERS’ CERTIFICATE FEBRUARY 23, 2024 5.450% SENIOR NOTES DUE 2054 PURSUANT TO SECTIONS 102 AND 301 OF THE INDENTURE IDENTIFIED BELOW The undersigned officers of American Water Capital Corp., a Delaware corporation (the “Company”), acting pursuant to an authorization contained in the unanimous written consent, effective February 20, 2024, of the Board of

February 23, 2024 EX-4.1

Officers’ Certificate of American Water Capital Corp., dated February 23, 2024, establishing the 5.150% Senior Notes due 2034 (incorporated by reference to Exhibit 4.1 to American Water Works Company, Inc.’s Current Report on Form 8-K, File No. 001-34028, filed February 23, 2024).

Exhibit 4.1 AMERICAN WATER CAPITAL CORP. OFFICERS’ CERTIFICATE FEBRUARY 23, 2024 5.150% SENIOR NOTES DUE 2034 PURSUANT TO SECTIONS 102 AND 301 OF THE INDENTURE IDENTIFIED BELOW The undersigned officers of American Water Capital Corp., a Delaware corporation (the “Company”), acting pursuant to an authorization contained in the unanimous written consent, dated February 20, 2024 of the Board of Direc

February 23, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 23, 2024 EX-1.1

Underwriting Agreement, dated February 20, 2024, by and among AWCC, American Water, U.S. Bancorp Investments, Inc., Mizuho Securities USA LLC and PNC Capital Markets LLC, as representatives of the several underwriters named therein.

Exhibit 1.1 Execution Version American Water Capital Corp. 1 Water Street Camden, New Jersey 08102 $700,000,000 5.150% Senior Notes due 2034 $700,000,000 5.450% Senior Notes due 2054 Support Agreement from American Water Works Company, Inc. Underwriting Agreement February 20, 2024 U.S. Bancorp Investments, Inc. Mizuho Securities USA LLC PNC Capital Markets LLC As representatives of the several Und

February 21, 2024 424B2

Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $700,000,000 5.150% Senior Notes due 2034 $700,000,000 5.450% Senior Notes due 2054

Table of Contents Filed Pursuant to Rule 424(b)(2) File Number 333-277166-01 File Number 333-277166 Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp.

February 21, 2024 EX-FILING FEES

Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Capital Corp. American Water Works Company, Inc. (2) (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securiti

Exhibit 107 Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Capital Corp.

February 20, 2024 FWP

American Water Capital Corp. American Water Works Company, Inc. $700,000,000 5.150% Senior Notes due 2034 $700,000,000 5.450% Senior Notes due 2054 Issuer: American Water Capital Corp. Support Provider: American Water Works Company, Inc. Security: 5.

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement Nos. 333-277166 and 333-277166-01 February 20, 2024 American Water Capital Corp. American Water Works Company, Inc. $700,000,000 5.150% Senior Notes due 2034 $700,000,000 5.450% Senior Notes due 2054 Issuer: American Water Capital Corp. Support Provider: American Water Works Company, Inc. Security: 5.150% Senior Notes due 20

February 20, 2024 424B5

Subject to Completion, Dated February 20, 2024 Preliminary Prospectus Supplement to Prospectus dated February 20, 2024 American Water Capital Corp. $    % Senior Notes due 20  $    % Senior Notes due 20 

Table of Contents Filed Pursuant to Rule 424(b)(5) File Number 333-277166-01 File Number 333-277166 The information in this preliminary prospectus supplement is not complete and may be changed.

February 20, 2024 EX-25.1

Form T-1 Statement of Eligibility under Trust Indenture Act of 1939 of Computershare Trust Company,

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) ☐ COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of trustee as specified in its charter) N

February 20, 2024 S-3ASR

As filed with the Securities and Exchange Commission on February 20, 2024

As filed with the Securities and Exchange Commission on February 20, 2024 Registration Nos.

February 20, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107.1 Calculation of Filing Fee Tables Form S-3 (Form Type) AMERICAN WATER WORKS COMPANY, INC. AMERICAN WATER CAPITAL CORP. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering

February 15, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 15, 2024 EX-99.1

Indiana American Water Granted New Rates by the Indiana Utility Regulatory Commission Rate adjustment driven by $875 million in system upgrades; low-cost basic water service approved

Exhibit 99.1 Press Release Indiana American Water Granted New Rates by the Indiana Utility Regulatory Commission Rate adjustment driven by $875 million in system upgrades; low-cost basic water service approved GREENWOOD, Ind. (February 15, 2024) – The Indiana Utility Regulatory Commission (IURC) yesterday issued an order approving base rate adjustments on a statewide basis for Indiana American Wat

February 14, 2024 EX-22.1

Guaranteed Securities (filed herewith).

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

February 14, 2024 EX-99.1

AMERICAN WATER REPORTS STRONG 2023 RESULTS AFFIRMS LONG-TERM GROWTH TARGETS INCREASES 2024 EPS GUIDANCE RESULTING FROM NOTE RESTRUCTURING

Exhibit 99.1 February 14, 2024 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS STRONG 2023 RESULTS AFFIRMS LONG-TERM GROWTH TARGETS INCREASES 2024 EPS GUIDANCE RESULTING FROM NOTE RESTRUCTUR

February 14, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34

February 14, 2024 EX-10.17 2

American Water Works Company, Inc. Amendment 2023-1 to the Pension Plan for Employees (as amended and restated effective December 31, 2022), dated December 20, 2023 (filed herewith).

Exhibit 10.17.2 AMENDMENT 2023-1 TO THE PENSION PLAN FOR EMPLOYEES OF AMERICAN WATER WORKS COMPANY, INC. AND ITS DESIGNATED SUBSIDIARIES Effective as of 11:59:59 pm Eastern Time on December 31, 2023, the Pension Plan for Employees of American Water Works Company, Inc. and Its Designated Subsidiaries ("Plan") is hereby amended as follows to effectuate the merger of the Shorelands Water Company Co.,

February 14, 2024 EX-4.24

Exhibit 4.24

Exhibit 4.24 DESCRIPTION OF AMERICAN WATER WORKS COMPANY, INC.’S EQUITY SECURITIES The following description of the common stock, par value $0.01 per share (the “Common Stock”), of American Water Works Company, Inc., a Delaware corporation (the “Company”), is not intended to be complete. For more information regarding the Common Stock, please refer to the Company’s Restated Certificate of Incorpor

February 14, 2024 EX-97.1

American Water Works Company, Inc. Incentive-Based Compensation Recovery Policy, dated as of December 1, 2023 (filed herewith).

Exhibit 97.1 Incentive-Based Compensation Recovery Policy Applicability: American Water Works Company, Inc. (“Parent Company”), and its controlled subsidiaries (together, “American Water” or the “Company”) Effective Date: 12/01/2023 ELT Sponsor: Executive Vice President, Chief Human Resources Officer Document Authors: Vice President, Chief SEC Counsel and Secretary, and Vice President, Total Rewar

February 14, 2024 EX-21.1

Subsidiaries of American Water Works Company, Inc. (filed herewith).

Exhibit 21.1 American Water Works Company, Inc.’s Subsidiaries As of February 14, 2024 Entity Name Entity Type Jurisdiction of Organization American Industrial Water LLC Limited Liability Company Ohio American Lake Water Company Corporation Illinois American Water (USA), LLC Limited Liability Company Delaware American Water Canada Corp. Corporation Ontario American Water Capital Corp. Corporation

February 14, 2024 EX-10.17 3

American Water Works Company, Inc. Amendment 2023-2 to the Pension Plan for Employees (as amended and restated effective December 31, 2022), dated December 29, 2023 (

Exhibit 10.17.3 AMENDMENT 2023-2 TO THE PENSION PLAN FOR EMPLOYEES OF AMERICAN WATER WORKS COMPANY, INC. AND ITS DESIGNATED SUBSIDIARIES WHEREAS, American Water Works Company, Inc. (the "Company") sponsors the Pension Plan For Employees of American Water Works Company, Inc. And Its Designated Subsidiaries (the "Plan") and its corresponding trust for the benefit of its eligible employees; and WHERE

February 14, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

February 13, 2024 SC 13G/A

AWK / American Water Works Company, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0015-americanwaterworkscoi.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: American Water Works Co Inc Title of Class of Securities: Common Stock CUSIP Number: 030420103 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate b

February 5, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

February 5, 2024 EX-10.1 2

Amendment No. 1 to Secured Seller Note Agreement, dated as of February 2, 2024, by and among Lakehouse Bidco Inc., Lakehouse Buyer Inc., American Water Resources, LLC, Pivotal Home Solutions, LLC, American Water Resources Holdings, LLC, American Water Resources of Texas, LLC, American Water Resources of Florida, LLC, and American Water Enterprises, LLC (incorporated by reference to Exhibit 10.1.2 to American Water Works Company, Inc.’s Current Report on Form 8-K, File No. 001-34028, filed February 5, 2024).

Exhibit 10.1.2 Execution Version AMENDMENT NO. 1 TO SECURED SELLER NOTE AGREEMENT This AMENDMENT NO. 1 TO SECURED SELLER NOTE AGREEMENT, dated as of February 2, 2024 (this “Amendment”), is entered into by and among Lakehouse BidCo Inc., a Delaware corporation (“Holdings”), Lakehouse Buyer Inc., a Delaware corporation (the “Borrower”), each Subsidiary Guarantor party hereto and American Water Enter

January 25, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

January 25, 2024 EX-99.1

Illinois American Water Files Rate Request Driven by $557 Million in Future Investments Request driven by company’s commitment to providing clean, safe, reliable and affordable water and wastewater service

Exhibit 99.1 Illinois American Water Files Rate Request Driven by $557 Million in Future Investments Request driven by company’s commitment to providing clean, safe, reliable and affordable water and wastewater service Belleville, Ill. (January 25, 2024) – Illinois American Water filed a rate request today with the Illinois Commerce Commission (ICC) reflecting $557 million in water and wastewater

January 19, 2024 EX-99.1

New Jersey American Water Files Rate Request Driven by Over $1.3 Billion in Investment Request reinforces company’s commitment to providing safe, clean, reliable and affordable service

Exhibit 99.1 New Jersey American Water Files Rate Request Driven by Over $1.3 Billion in Investment Request reinforces company’s commitment to providing safe, clean, reliable and affordable service CAMDEN, N.J. (January 19, 2024) – New Jersey American Water filed a petition today with the New Jersey Board of Public Utilities (BPU) requesting new rates, driven by more than $1.3 billion in capital i

January 19, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 American Water W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

January 16, 2024 EX-99.1

Prepared Remarks to U.S. Environmental Protection Agency (“EPA”) on Proposed Lead and Copper Rule Improvements (“LCRI”) Rulemaking

Exhibit 99.1 Prepared Remarks to U.S. Environmental Protection Agency (“EPA”) on Proposed Lead and Copper Rule Improvements (“LCRI”) Rulemaking My name is Lynda DiMenna, and I’m the Chief Environmental and Safety Officer for American Water. As the largest publicly traded drinking water and wastewater service provider in the U.S., we support the EPA’s efforts to protect public health by proposing t

January 16, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2024 American Water W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2024 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

November 17, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other juris

November 17, 2023 EX-99.1

California American Water Reaches Partial Settlement Agreement in Its General Rate Case on Revenues for 2024 through 2026

Exhibit 99.1 California American Water Reaches Partial Settlement Agreement in Its General Rate Case on Revenues for 2024 through 2026 San Diego, CA (November 17, 2023) – Earlier today, California American Water filed with the California Public Utilities Commission its partial settlement agreement for its statewide General Rate Case to set revenue for 2024 to 2026. The filing memorializes the sett

November 9, 2023 EX-99.1

Pennsylvania American Water Receives PUC Approval to Purchase Butler Area Sewer Authority Wastewater System

Exhibit 99.1 Pennsylvania American Water Receives PUC Approval to Purchase Butler Area Sewer Authority Wastewater System Mechanicsburg, Pa. (Nov. 9, 2023) – Today, Pennsylvania American Water, a subsidiary of American Water (NYSE: AWK), received approval from the Pennsylvania Public Utility Commission (PUC) to purchase the Butler Area Sewer Authority (BASA) wastewater system for $230 million. The

November 9, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

November 8, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

November 8, 2023 EX-99.1

Pennsylvania American Water Files Rate Request Driven by $1 Billion in Investment Request driven by company’s commitment to providing safe, reliable and affordable water and wastewater service

Exhibit 99.1 Pennsylvania American Water Files Rate Request Driven by $1 Billion in Investment Request driven by company’s commitment to providing safe, reliable and affordable water and wastewater service Mechanicsburg, Pa. (Nov. 8, 2023) – Pennsylvania American Water filed a rate adjustment request today with the Pennsylvania Public Utility Commission reflecting $1 billion in water and wastewate

November 1, 2023 EX-99.1

AMERICAN WATER REPORTS STRONG THIRD QUARTER 2023 RESULTS AFFIRMS 2023 GUIDANCE ANNOUNCES 2024 EPS GUIDANCE AND CAPITAL INVESTMENT PLANS AFFIRMS LONG-TERM GROWTH TARGETS

Exhibit 99.1 November 1, 2023 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS STRONG THIRD QUARTER 2023 RESULTS AFFIRMS 2023 GUIDANCE ANNOUNCES 2024 EPS GUIDANCE AND CAPITAL INVESTMENT PLANS

November 1, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 1, 2023 EX-10.1

Extension Agreement, dated as of October 26, 2023, by and among American Water Works Company, Inc., American Water Capital Corp., each of the Lenders party thereto, and Wells Fargo Bank, National Association, as administrative agent.

Exhibit 10.1 Execution Version EXTENSION AGREEMENT This EXTENSION AGREEMENT (this “Agreement”), dated as of October 26, 2023, is entered into among AMERICAN WATER CAPITAL CORP., a Delaware corporation (“AWCC” or the “Borrower”), the Lenders party hereto, and Wells Fargo Bank, National Association, as administrative agent for the Lenders (the “Administrative Agent”). RECITALS AWCC, the Lenders and

November 1, 2023 EX-99.2

Aaron Musgrave Vice President, Investor Relations

November 2, 2023 2023 Third Quarter Earnings & 2024 Outlook Conference Call Exhibit 99.

November 1, 2023 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisd

July 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

July 26, 2023 EX-10.2

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Stock Unit Grant Form for Non-Employee Directors.

Exhibit 10.2 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN STOCK UNIT GRANT This STOCK UNIT GRANT, dated as of May 10, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Board of Directors of the Company (the “Board”) has determined to grant each non-employee director of the Company

July 26, 2023 EX-99.1

AMERICAN WATER REPORTS STRONG SECOND QUARTER 2023 RESULTS ON CONTINUED EXECUTION AND FAVORABLE WEATHER AFFIRMS 2023 GUIDANCE AND LONG-TERM TARGETS

Exhibit 99.1 July 26, 2023 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS STRONG SECOND QUARTER 2023 RESULTS ON CONTINUED EXECUTION AND FAVORABLE WEATHER AFFIRMS 2023 GUIDANCE AND LONG-TERM

July 26, 2023 EX-10.1

each of the Lenders party thereto, Wells Fargo Bank, National Association, as administrative agent, JPMorgan Chase Bank, N.A., as syndication agent, and Mizuho Bank, Ltd., PNC Bank, National Association, U.S. Bank National Association, and Bank of America, N.A., as co-documentation agents (incorporated by reference to Exhibit 10.1 to American Water Works Company, Inc.’s Quarterly Report on Form 10-Q, File No. 001-34028, filed July 26, 2023).

Exhibit 10.1 Execution Version FIRST AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT This First Amendment to Third Amended and Restated Credit Agreement (this “Amendment”), dated as of June 21, 2023, is entered into by and among AMERICAN WATER CAPITAL CORP., a Delaware corporation (the “Borrower”), the Lenders from time to time party hereto (collectively, the “Lenders”), and WELLS FARGO B

July 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

June 30, 2023 EX-99.1

Kentucky American Water Files Rate Request Driven by $330 Million in Investment Request reinforces company’s commitment to providing safe, reliable and affordable water service

Exhibit 99.1 Kentucky American Water Files Rate Request Driven by $330 Million in Investment Request reinforces company’s commitment to providing safe, reliable and affordable water service LEXINGTON, Ky., (June 30, 2023) – Kentucky American Water filed a rate adjustment request today with the Kentucky Public Service Commission (PSC) reflecting $330 million in water system investments since its la

June 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

June 29, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

June 29, 2023 EX-4.1

Indenture, dated as of June 29, 2023, among American Water Capital Corp., American Water Works Company, Inc. and U.S. Bank Trust Company, National Association. (incorporated by reference to Exhibit 4.1 to American Water Works Company, Inc.’s Current Report on Form 8-K, File No. 001-34028, filed June 29, 2023).

EX-4.1 Exhibit 4.1 AMERICAN WATER CAPITAL CORP., as Issuer, AMERICAN WATER WORKS COMPANY, INC., as Parent, AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of June 29, 2023 3.625% Exchangeable Senior Notes due 2026 TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS Section 1.01. Definitions 1 Section 1.02. References to Interest 13 ARTICLE 2 ISSUE, DESCRIPTION, EXECUTION,

June 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

June 27, 2023 EX-99.2

American Water Capital Corp. Announces Pricing of $900.0 Million of 3.625% Exchangeable Senior Notes

EX-99.2 Exhibit 99.2 American Water Capital Corp. Announces Pricing of $900.0 Million of 3.625% Exchangeable Senior Notes CAMDEN, N.J. – June 27, 2023 – American Water Capital Corp. (“AWCC”), a wholly owned finance subsidiary of American Water Works Company, Inc. (NYSE: AWK) (“American Water”), announced today the pricing of $900.0 million aggregate principal amount of its 3.625% Exchangeable Seni

June 27, 2023 EX-99.1

American Water Capital Corp. Announces Proposed Private Placement of $900 Million of Exchangeable Senior Notes

EX-99.1 Exhibit 99.1 American Water Capital Corp. Announces Proposed Private Placement of $900 Million of Exchangeable Senior Notes CAMDEN, N.J. – June 26, 2023 – American Water Capital Corp. (“AWCC”), a wholly owned finance subsidiary of American Water Works Company, Inc. (NYSE: AWK) (“American Water”), announced today that it intends to offer $900 million aggregate principal amount of its Exchan

May 12, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2023 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdicti

May 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 8, 2023 EX-99.1

Prepared Remarks to EPA on Proposed PFAS National Primary Drinking Water Regulation Rulemaking, by Lynda B. DiMenna, Chief Environmental and Safety Officer, American Water Works Company, Inc.

EX-99.1 2 exhibit991-preparedremarks.htm EX-99.1 - PREPARED REMARKS TO EPA ON PROPOSED PFAS RULEMAKING Exhibit 99.1 Prepared Remarks to EPA on Proposed PFAS National Primary Drinking Water Regulation Rulemaking, by Lynda B. DiMenna, Chief Environmental and Safety Officer, American Water Works Company, Inc. My name is Lynda DiMenna, and I am the Chief Environmental and Safety Officer for American W

May 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2023 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 3, 2023 EX-99.1

Missouri Public Service Commission Issues Rate Order Approving Settlement Rate Review driven by $770 million in system improvements; settlement includes funding for customer assistance programs

Exhibit 99.1 Missouri Public Service Commission Issues Rate Order Approving Settlement Rate Review driven by $770 million in system improvements; settlement includes funding for customer assistance programs ST. LOUIS, Mo. (May 3, 2023) – On May 3, 2023, the Missouri Public Service Commission (MoPSC) issued an order approving the rate settlement reached by parties in Missouri American Water’s rate

May 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2023 American Water Works

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdictio

May 1, 2023 EX-99.1

West Virginia American Water Submits Rate Request Driven by $340 Million in Investment; Proposes New Low-Income Tariff for Customers in Need

Exhibit 99.1 West Virginia American Water Submits Rate Request Driven by $340 Million in Investment; Proposes New Low-Income Tariff for Customers in Need Charleston, W.Va. (May 1, 2023) – West Virginia American Water filed a rate adjustment request today with the Public Service Commission of West Virginia (PSC) reflecting approximately $340 million in water and wastewater system investments made f

April 26, 2023 EX-10.5

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form B-1 (incorporated by reference to Exhibit 10.5 to American Water Works Company, Inc.’s Quarterly Report on Form 10-Q, File No. 001-34028, filed April 26, 2023).

Exhibit 10.5 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

April 26, 2023 EX-10.2

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Restricted Stock Unit Grant (for CEO, CFO and COO).

Exhibit 10.2 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

April 26, 2023 EX-10.4

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form A-2 (for CEO, CFO and COO).

EX-10.4 5 a2023q1ex-104execpsuax2xt.htm EX-10.4 Exhibit 10.4 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the America

April 26, 2023 EX-10.3

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form A-1 (incorporated by reference to Exhibit 10.3 to American Water Works Company, Inc.’s Quarterly Report on Form 10-Q, File No. 001-34028, filed April 26, 2023).

Exhibit 10.3 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 26, 2023 EX-99.1

AMERICAN WATER REPORTS STRONG FIRST QUARTER 2023 RESULTS AFFIRMS 2023 GUIDANCE AND LONG-TERM TARGETS

Exhibit 99.1 April 26, 2023 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER REPORTS STRONG FIRST QUARTER 2023 RESULTS AFFIRMS 2023 GUIDANCE AND LONG-TERM TARGETS •First quarter 2023 earnings of $0.9

April 26, 2023 EX-10.1

Form of American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Restricted Stock Unit Grant (incorporated by reference to Exhibit 10.1 to American Water Works Company, Inc.’s Quarterly Report on Form 10-Q, File No. 001-34028, filed April 26, 2023).

Exhibit 10.1 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN RESTRICTED STOCK UNIT GRANT This RESTRICTED STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity Co

April 26, 2023 EX-10.6

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2023 Performance Stock Unit Grant Form B-2 (for CEO, CFO and COO).

Exhibit 10.6 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 14, 2023 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Works Company, Inc. 2017 Omnibus Equity

April 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

April 24, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A 1 definitiveadditionalmateri.htm DEFA14A - ID&E RECOGNITIONS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commis

April 12, 2023 PX14A6G

Shareholder Proposal Regarding Racial Equity Audit Submitted at American Water Works Company, Inc. At the American Water Works Company, Inc. Annual Meeting on May 10, 2023, please vote FOR Proposal 5 requesting that the company conduct a racial equit

Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: American Water Works Company, Inc.

April 6, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy State

March 31, 2023 EX-99.1

Indiana American Water Files Rate Request Driven by $875 Million in Investment Request reinforces company’s commitment to providing safe, reliable and affordable water and wastewater service

Exhibit 99.1 News Release For Immediate Release Indiana American Water Files Rate Request Driven by $875 Million in Investment Request reinforces company’s commitment to providing safe, reliable and affordable water and wastewater service GREENWOOD, Ind. (March 31, 2023) – Indiana American Water filed a rate adjustment request today with the Indiana Utility Regulatory Commission (IURC) reflecting

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2023 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

March 28, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 28, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 24, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period to Commission File Number: 001-34028 A. Full title of the plan and t

March 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 23, 2023 American Water Wor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 23, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdic

March 24, 2023 EX-99.1

Pennsylvania American Water Announces Agreement to Assume Towamencin Acquisition Agreement

Exhibit 99.1 Pennsylvania American Water Announces Agreement to Assume Towamencin Acquisition Agreement Mechanicsburg, Pa., (March 24, 2023) – Pennsylvania American Water announced today its agreement to assume the obligations with respect to an agreement to purchase all the assets related to the wastewater system of the Towamencin Municipal Authority. Pennsylvania American Water already provides

March 3, 2023 EX-1.1

Underwriting Agreement, dated February 28, 2023, by and among American Water, BofA Securities, Inc., Wells Fargo Securities, LLC, and RBC Capital Markets, LLC, as representatives of the several underwriters named therein.

EX-1.1 2 d406536dex11.htm EX-1.1 Exhibit 1.1 EXECUTION VERSION American Water Works Company, Inc. 1 Water Street Camden, New Jersey 08102 11,000,000 Shares of Common Stock Underwriting Agreement February 28, 2023 BofA Securities, Inc. One Bryant Park New York, New York 10036 Wells Fargo Securities, LLC 500 West 33rd Street New York, New York 10001 RBC Capital Markets, LLC Brookfield Place, 200 Ves

March 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2023 American Water Work

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2023 American Water Works Company, Inc. (Exact name of registrant as specified in its charter) Commission File Number: 001-34028 Delaware 51-0063696 (State or other jurisdict

March 1, 2023 424B2

11,000,000 Shares American Water Works Company, Inc. Common Stock

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) File Number 333-253484 PROSPECTUS SUPPLEMENT (To Prospectus dated February 25, 2021) 11,000,000 Shares American Water Works Company, Inc.

March 1, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Works Company, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security type Security class t

EX-FILING FEES 2 d465740dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables (1) Form 424(b)(2) (Form Type) American Water Works Company, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security type Security class title Fee calculation or carry forward rule Amount registered Proposed maximum off

February 28, 2023 424B5

Subject to Completion Preliminary Prospectus Supplement dated February 28, 2023

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) File Number 333-253484 The information in this preliminary prospectus supplement is not complete and may be changed.

February 15, 2023 EX-10.13 25

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2021 Performance Stock Unit Grant Form B-3 (as amended, for M. Susan Hardwick) (filed herewith).

Exhibit 10.13.25 (amended as of January 20, 2022) AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 16, 2021 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to M. Susan Hardwick (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the

February 15, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34

February 15, 2023 EX-99.1

AMERICAN WATER’S 2022 STRONG RESULTS MEET EXPECTATIONS AFFIRMS 2023 GUIDANCE AND LONG-TERM TARGETS

Exhibit 99.1 February 15, 2023 Investor Contact: Aaron Musgrave Vice President, Investor Relations 856-955-4029 [email protected] Media Contact: Maureen Duffy Senior Vice President, Communications and External Affairs 856-955-4163 [email protected] AMERICAN WATER’S 2022 STRONG RESULTS MEET EXPECTATIONS AFFIRMS 2023 GUIDANCE AND LONG-TERM TARGETS •2022 full-year earnings of $4.51 p

February 15, 2023 EX-10.16

American Water Works Company, Inc. Pension Plan for Employees, as amended and restated effective December 31, 2022 (

Exhibit 10.16 PENSION PLAN FOR EMPLOYEES OF AMERICAN WATER WORKS COMPANY, INC. AND ITS DESIGNATED SUBSIDIARIES TABLE OF CONTENTS Page ARTICLE I. PURPOSE 1 ARTICLE II. DEFINITIONS 3 Section 2.1 Definitions 3 Section 2.2 Administration 11 Section 2.3 Construction 11 Section 2.4 Governing Law 11 ARTICLE III. PARTICIPATION 12 Section 3.1 New Participants. 12 Section 3.2 Participants as of January 1, 2

February 15, 2023 EX-21.1

Subsidiaries of American Water Works Company, Inc. (filed herewith).

Exhibit 21.1 American Water Works Company, Inc.’s Subsidiaries As of February 15, 2023 Entity Name Entity Type Jurisdiction of Organization American Industrial Water LLC Limited Liability Company Ohio American Lake Water Company Corporation Illinois American Water – Acciona Agua LLC Limited Liability Company Delaware American Water (USA), LLC Limited Liability Company Delaware American Water Canad

February 15, 2023 EX-10.13 32

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2022 Stock Unit Grant Form for Non-Employee Directors elected on December 7, 2022 (filed herewith).

Exhibit 10.13.32 AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN STOCK UNIT GRANT This STOCK UNIT GRANT, dated as of December 7, 2022 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, upon election to the Board of Directors of the Company (the “Board”) each non-employee director of the Compan

February 15, 2023 EX-22.1

Guaranteed Securities (filed herewith).

Exhibit 22.1 AMERICAN WATER WORKS COMPANY, INC. List of Securities Registered Under the Securities Act of 1933 (the “Securities Act”) and Entitled to the Benefit of the Support Agreement between American Water Capital Corp. (“AWCC”) and American Water Works Company, Inc. (“parent company”) The following securities have been issued by AWCC and registered under the Securities Act, and have the benef

February 15, 2023 EX-10.13 24

American Water Works Company, Inc. 2017 Omnibus Equity Compensation Plan 2021 Performance Stock Unit Grant Form B-2 (as amended, for CEO and COO) (filed herewith).

Exhibit 10.13.24 (amended as of January 20, 2022) AMERICAN WATER WORKS COMPANY, INC. 2017 OMNIBUS EQUITY COMPENSATION PLAN PERFORMANCE STOCK UNIT GRANT This PERFORMANCE STOCK UNIT GRANT, dated as of February 16, 2021 (the “Date of Grant”), is delivered by American Water Works Company, Inc. (the “Company”) to (the “Participant”). RECITALS WHEREAS, the Committee (as defined in the American Water Wor

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