Event: ADP will present at the Nasdaq Investor Conference in London.

Date and Time: Tuesday, December 10, 2024, at 3:00 a.m. ET / 8:00 a.m. GMT.

Access: Live webcast and archived replay will be available on ADP's Investor Relations website.

Contact Information:

• Investor Relations: Matthew Keating, CFA – 973.974.3037 – Matthew.Keating@adp.com

• Media: Allyce Hackmann – 201.400.4583 – Allyce.Hackmann@adp.com