Company: AWK
Filing Date: 2025-12-29
Form Type: S-4/A
Source: 0001193125-25-332292
Chunk: 418

Company: American Water Works Company, Inc.
Filing Date: 2025-12-29
Form: S-4/A
Chunk 418
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| 107*    |     | Filing Fee Table                                                                                                                                                                          |

| * | Previously filed. |

| ** | Filed herewith. |

| † | Certain schedules to this agreement have been omitted as permitted by rules or regulations of the SEC. American 
 Water will furnish the omitted schedules to the SEC upon request by the SEC.                                    |

Item 22. Undertakings The following undertakings here made by each of the undersigned registrants:

| (a) | The undersigned registrant hereby undertakes: |

| (i) | To file, during any period in which offers or sales are being made, a post-effective amendment to this 
 registration statement:                                                                                |

| (1) | To include any prospectus required by section 10(a)(3) of the Securities Act of 1933; |

| (2) | To reflect in the prospectus any facts or events arising after the effective date of the registration statement                                                                                                                                         
 (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in    
 volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus 
 filed with the SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee” table in the            
 effective registration statement; and                                                                                                                                                                                                                   |

| (3) | To include any material information with respect to the plan of distribution not previously disclosed in the 
 registration statement or any material change to such information in the registration statement.             |

II-5

| (ii) | That, for the purpose of determining any liability under the Securities Act of 1933, each such post-effective                                                                                                           
 amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof. |

| (iii) | To remove from registration by means of a post-effective amendment any of the securities being registered which 
 remain unsold at the termination of the offering.                                                               |

| (iv) | That, for the purpose of determining liability under the Securities