Company: ADP
Filing Date: 2025-05-07
Form Type: 424B2
Source: 0001193125-25-114878
Chunk: 43

Company: AUTOMATIC DATA PROCESSING INC
Filing Date: 2025-05-07
Form: 424B2
Chunk 43
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FA by a relevant person which is:

| • |     | a corporation (which is not an accredited investor (as defined in Section 4A of the SFA)) the sole business                                           
 of which is to hold investments and the entire share capital of which is owned by one or more individuals, each of whom is an accredited investor; or |

| • |     | a trust (where the trustee is not an accredited investor) whose sole purpose is to hold investments and each 
 beneficiary of the trust is an individual who is an accredited investor,                                     |

| • |     | securities or securities-based derivatives contracts (each term as defined in Section 2(1) of the SFA) of                                                                                                                             
 that corporation or the beneficiaries’ rights and interest (howsoever described) in that trust shall not be transferred within six months after that corporation or that trust has acquired the notes pursuant to an offer made under 
 Section 275 of the SFA except:                                                                                                                                                                                                        |

| • |     | to an institutional investor or to a relevant person, or to any person arising from an offer referred to in 
 Section 276(4)(i)(B) of the SFA;                                                                            |

| • |     | where no consideration is or will be given for the transfer; |

| • |     | where the transfer is by operation of law; |

| • |     | as specified in Section 276(7) of the SFA; or |

| • |     | as specified in Regulation 37A of the Securities and Futures (Offers of Investments) (Securities and 
 Securities-based Derivatives Contracts) Regulations 2018.                                            |

Singapore Securities and Futures Act Product Classification— Solely for the purposes of its obligations pursuant to Sections 309B(1)(a) and 309B(1)(c) of the SFA, the Company has determined, and hereby notifies all relevant persons (as defined in Section 309A of the SFA) that the Notes are “prescribed capital markets products” (as defined in the Securities and Futures (Capital Markets Products) Regulations 2018) and “Excluded Investment Products” (as defined in MAS Notice SFA 04-N12:Notice on the Sale of Investment Products and MAS Notice FAA-N16:Notice on Recommendations on Investment Products). S-32

LEGAL MATTERS

Certain matters pertaining to the Notes will be passed upon for ADP by David Kwon, Esq., Corporate Vice President and Chief Legal Officer of
ADP