Company: ADP
Filing Date: 2025-05-07
Form Type: 424B2
Source: 0001193125-25-114878
Chunk: 20

Company: AUTOMATIC DATA PROCESSING INC
Filing Date: 2025-05-07
Form: 424B2
Chunk 20
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F) under the Exchange Act selected by us (as certified by a resolution of our Board of Directors) as a replacement agency for Moody’s, S&P or Fitch, or all of them, as the case may be.

“Rating Event” means the rating on the Notes is lowered by at least two of the three Rating Agencies and the Notes are rated below
an Investment Grade Rating by at least two of the three Rating Agencies, in any case on any day during the period (which period will be extended so long as the rating of the Notes is under publicly announced consideration for a possible downgrade by
any of the Rating Agencies) commencing 60 days prior to the earlier of (i) the first public notice of the occurrence of a Change of Control or (ii) the first public notice of our intention to effect a Change of Control and ending 60 days
following consummation of such Change of Control.

“S&P” means Standard & Poor’s Rating Services, a division
of S&P Global Inc., and its successors.

“Voting Stock” means, with respect to any specified “person” (as that
term is used in Section 13(d)(3) of the Exchange Act) as of any date, the capital stock of that person that is at the time entitled to vote generally in the election of the board of directors of that person.

Global Clearance and Settlement Procedures

Investors in the global securities representing the Notes (the “Global Notes”) may hold a beneficial interest in such Global Notes
through DTC, Clearstream Banking, société anonyme (“Clearstream”) or the Euroclear System (“Euroclear”) or through participants. The Notes may be traded as home market instruments in both the European and U.S.
domestic markets. Initial settlement and all secondary trades will settle as set forth below.

Clearstream has advised that it is
incorporated under the laws of the Grand Duchy of Luxembourg as a professional depositary. Clearstream holds securities for its participating organizations (“Clearstream Participants”). Clearstream facilitates the clearance and settlement
of securities transactions between Clearstream Participants through electronic book-entry changes in accounts of Clearstream Participants, eliminating the need

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for physical movement of certificates. Clearstream provides to Clearstream Participants, among other things, services for safekeeping, administration, clearance and settlement of internationally
traded securities and securities lending and borrowing. Clearstream interfaces with domestic markets in several countries. As a professional depositary, Clearstream is subject to regulation by the Luxembourg Commission