# EDGAR Filing Document

**Accession Number:** 0000008670
**File Stem:** 0001308179-25-000608
**Filing Date:** 2025-9
**Character Count:** 7633
**Document Hash:** da3adc381dbf9d7e561150d5fcf02183
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001308179-25-000608.hdr.sgml**: 20250925

**ACCESSION NUMBER**: 0001308179-25-000608

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 9

**FILED AS OF DATE**: 20250925

**DATE AS OF CHANGE**: 20250925

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AUTOMATIC DATA PROCESSING INC
- **CENTRAL INDEX KEY:** 0000008670
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 221467904
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-05397
- **FILM NUMBER:** 251343769

**BUSINESS ADDRESS:**
- **STREET 1:** ONE ADP BOULVARD
- **CITY:** ROSELAND
- **STATE:** NJ
- **ZIP:** 07068
- **BUSINESS PHONE:** 9739745000

**MAIL ADDRESS:**
- **STREET 1:** ONE ADP BOULEVARD
- **CITY:** ROSELAND
- **STATE:** NJ
- **ZIP:** 07068

UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the <br>Securities Exchange Act of 1934 (Amendment No.)

☑ Filed by the Registrant ☐ Filed by a party other than the Registrant

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| | |
|:---|:---|
| CHECK THE APPROPRIATE BOX: | 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 under §240.14a-12 |

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![](adp014341-logo.jpg)

**Automatic Data Processing, Inc.**

(Name of Registrant as Specified In Its Charter)<br>(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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| | |
|:---|:---|
| PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): | PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): |
| ☑ | 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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![](adp014341-defa14ax1x1.jpg)<br>AUTOMATIC DATA PROCESSING, INC.<br>1 ADP BOULEVARD<br>ROSELAND, NJ 07068 | Your **Vote** Counts!<br> **AUTOMATIC DATA PROCESSING, INC.**<br> 2025 Annual Meeting<br>November 12, 2025, 10:00 a.m.<br>www.virtualshareholdermeeting.com/ADP2025<br>Vote by November 11, 2025 11:59 PM EST<br> ![](adp014341-defa14ax1x11.jpg) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![](adp014341-defa14ax1x1.jpg)<br>AUTOMATIC DATA PROCESSING, INC.<br>1 ADP BOULEVARD<br>ROSELAND, NJ 07068 | Your **Vote** Counts!<br> **AUTOMATIC DATA PROCESSING, INC.**<br> 2025 Annual Meeting<br>November 12, 2025, 10:00 a.m.<br>www.virtualshareholdermeeting.com/ADP2025<br>Vote by November 11, 2025 11:59 PM EST<br> ![](adp014341-defa14ax1x11.jpg) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![](adp014341-defa14ax1x1.jpg)<br>AUTOMATIC DATA PROCESSING, INC.<br>1 ADP BOULEVARD<br>ROSELAND, NJ 07068 | Your **Vote** Counts!<br> **AUTOMATIC DATA PROCESSING, INC.**<br> 2025 Annual Meeting<br>November 12, 2025, 10:00 a.m.<br>www.virtualshareholdermeeting.com/ADP2025<br>Vote by November 11, 2025 11:59 PM EST<br> ![](adp014341-defa14ax1x11.jpg) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;V78942-P36288 |  |

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You invested in AUTOMATIC DATA PROCESSING, INC. and it's time to vote!<br>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 November 12, 2025.**

Get informed before you vote<br>View the Combined Document containing Notice of 2025 Annual Meeting of Stockholders, Proxy Statement and Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to October 29, 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.

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|:---|:---|:---|
| ![](adp014341-defa14ax1x2.jpg) | For complete information and to vote, visit **www.ProxyVote.com** | For complete information and to vote, visit **www.ProxyVote.com** |
| ![](adp014341-defa14ax1x2.jpg) | Control # | &nbsp;&nbsp; ![](adp014341-defa14ax1x3.jpg) |

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| **Smartphone users**<br>Point your camera here and<br>vote without entering a<br>control number<br>![](adp014341-defa14a2x1x1.jpg)  | ![](adp014341-defa14ax1x4.jpg)<br> **Vote Virtually at the Meeting\*** <br> November 12, 2025<br>10:00 a.m., Eastern Standard Time<br>Virtually at:<br>www.virtualshareholdermeeting.com/ADP2025<br>|

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\* Please check the meeting materials for any special requirements for meeting attendance.

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**Vote at www.ProxyVote.com**<br>

**THIS IS NOT A VOTABLE BALLOT**

This is an overview of the proposals being presented at the<br>upcoming stockholder meeting. Please follow the instructions on<br>the reverse side to vote these important matters. <br>

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| | | | |
|:---|:---|:---|:---|
|  **Voting Items** | **Voting Items** | **Board<br>Recommends** | **Board<br>Recommends** |
| 1. | Election of Directors. |  |  |
| 1a. | Peter Bisson | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1b. | Maria Black | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1c. | David V. Goeckeler | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1d. | Linnie M. Haynesworth | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1e. | Francine S. Katsoudas | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1f. | Nazzic S. Keene | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1g. | Karen S. Lynch | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1h. | Thomas J. Lynch | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1i. | Scott F. Powers | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1j. | Carlos A. Rodriguez | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1k. | Robert H. Swan | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 1l. | Sandra S. Wijnberg | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 2. | Advisory Vote on Executive Compensation. | ![](adp014341-defa14ax2x1.jpg) | **For** |
| 3. | Ratification of the Appointment of Auditors. | ![](adp014341-defa14ax2x1.jpg) | **For** |
| **NOTE:** Proxies, when properly executed, will be voted as directed, or if no direction is given, will be voted as the Board of Directors recommends. The proxies will vote in their discretion upon any and all other matters which may properly come before the meeting or any adjournments or postponements thereof. | **NOTE:** Proxies, when properly executed, will be voted as directed, or if no direction is given, will be voted as the Board of Directors recommends. The proxies will vote in their discretion upon any and all other matters which may properly come before the meeting or any adjournments or postponements thereof. |  |  |

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Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings".<br>

V78943-P36288

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