Company: ADP
Filing Date: 2025-05-07
Form Type: 424B2
Source: 0001193125-25-114878
Chunk: 29

Company: AUTOMATIC DATA PROCESSING INC
Filing Date: 2025-05-07
Form: 424B2
Chunk 29
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| • |     | you are not a controlled foreign corporation related, directly or indirectly, to the Company through stock 
 ownership;                                                                                                 |

S-22

| • |     | you certify on a properly executed IRS Form W-8BEN or W-8BEN-E, as applicable, under penalties of perjury, that you are not a United States person; and |

| • |     | the interest is not effectively connected with your conduct of a trade or business in the United States as 
 described below.                                                                                           |

If you cannot satisfy one of the first three requirements described above and interest on the Notes is not exempt from withholding because it is effectively connected with your conduct of a trade or business in the United States as described below, payments of interest on the Notes will be subject to withholding tax at a rate of 30%, or the rate specified by an applicable treaty. Sale or Other Taxable Disposition of the Notes Subject to the discussion below under “Backup Withholding and Information Reporting” and “FATCA Legislation,” you generally will not be subject to U.S. federal income or withholding tax on gain realized on a sale or other taxable disposition of Notes, unless the gain is effectively connected with your conduct of a trade or business in the United States as described below, although any amounts attributable to accrued interest will be treated as described above under “Payments on the Notes.” Effectively Connected Income If interest or gain on a Note is effectively connected with your conduct of a trade or business in the United States (and, if required by an applicable income tax treaty, is attributable to a U.S. permanent establishment or fixed base maintained by you), you will generally be taxed on such interest or gain in the same manner as a U.S. Holder (see “Tax Consequences to U.S. Holders” above). In this case, you will be exempt from the withholding tax on interest discussed above, although you will be required to provide a properly executed IRS Form W-8ECIin order to claim an exemption from withholding. You should consult your tax adviser with respect to other U.S. tax consequences of the ownership and taxable disposition of Notes, including the possible imposition of a branch profits tax at a rate of 30% (or a lower treaty rate) if you are a corporation. Backup Withholding and Information Reporting If you are a U.S. Holder, information returns are required to be filed with the IRS in connection with payments on the Notes and proceeds received from a sale or other taxable disposition of the Notes