# EDGAR Filing Document

**Accession Number:** 0001604028
**File Stem:** 0001604028-25-000018
**Filing Date:** 2025-6
**Character Count:** 5290
**Document Hash:** 0193628c893a0efad6698f6fc2ab43c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001604028-25-000018.hdr.sgml**: 20250604

**ACCESSION NUMBER**: 0001604028-25-000018

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 5

**FILED AS OF DATE**: 20250604

**DATE AS OF CHANGE**: 20250604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ADVANCED DRAINAGE SYSTEMS, INC.
- **CENTRAL INDEX KEY:** 0001604028
- **STANDARD INDUSTRIAL CLASSIFICATION:** PLASTICS FOAM PRODUCTS [3086]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 510105665
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36557
- **FILM NUMBER:** 251023197

**BUSINESS ADDRESS:**
- **STREET 1:** 4640 TRUEMAN BOULEVARD
- **CITY:** HILLIARD
- **STATE:** OH
- **ZIP:** 43026
- **BUSINESS PHONE:** 614-658-0050

**MAIL ADDRESS:**
- **STREET 1:** 4640 TRUEMAN BOULEVARD
- **CITY:** HILLIARD
- **STATE:** OH
- **ZIP:** 43026

**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 ☒&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 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 Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

**ADVANCED DRAINAGE SYSTEMS, INC.** 

**(Name of Registrant as Specified In Its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check the appropriate box):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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&nbsp;&nbsp;Your Vote Counts! ADVANCED DRAINAGE SYSTEMS, INC./WMS 2025 Annual Meeting Vote by July 16, 2025 11:59 PM ET. For shares held in a Plan, vote by July 15, 2024 11:59 PM ET. ADVANCED DRAINAGE SYSTEMS, INC./WMS 4640 TRUEMAN BLVD. HILLIARD, OH 43026 V75660-P34426 You invested in ADVANCED DRAINAGE SYSTEMS, INC./WMS and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on July 18, 2024. Get informed before you vote View the Notice and Proxy Statement and 10-K Wrap online OR you can receive a free paper or email copy of the material(s) by requesting prior to July 3, 2025. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Point your camera here and Vote Virtually at the Meeting\* July 17, 2025 10:00 A.M. Eastern Time vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/WMS2025 \*Please check the meeting materials for any special requirements for meeting attendance.

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For 2. Ratification of the appointment of Deloitte & Touche LLP as the Company's Independent Registered Public Accounting Firm for fiscal year 2024. For 3. Approval, in a non-binding advisory vote, of the compVote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Voting Items Board Recommends 1. Election of Directors 1a. D. Scott Barbour For 1b. Anesa T. Chaibi&nbsp;&nbsp;&nbsp;&nbsp;For 1c. Michael B. Coleman&nbsp;&nbsp;&nbsp;&nbsp;For 1d. Robert M. Eversole For 1e. Alexander R. Fischer For 1f. Tanya D. Fratto For 1g. Kelly S. Gast For 1h. M.A. (Mark) Haney For 1i. Luther C. Kissam IV For 1j. Manuel Perez de la Mesa For 1k. Carl A. Nelson, Jr. For 1l. Anil Seetharam For 2. Ratification of the appointment of Deloitte & Touche LLP as the Company's Independent Registered Public Accounting Firm for fiscal year 2026. For 3. Approval, in a non-binding advisory vote, of the compensation for named executive officers. For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". V18897-P95234ensation for named executive officers. For Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". V75661-P34426

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