13D Filing: Pershing Square and Automatic Data Processing Inc (ADP)

Page 8 of 10

Page 8 of 10 – SEC Filing


The foregoing summary of the over-the-counter forward purchase contracts and the over-the-counter
American-style call options is qualified in its entirety by reference to the actual language of such contracts, the forms of which are filed as Exhibits 99.3 and 99.4, respectively, and which are incorporated herein by reference. Supplemental
financial terms of these contracts are detailed in Exhibit 99.2 for transactions in the last 60 days.

Except as described herein, the
Reporting Persons have no contracts, arrangements, understandings or relationships (legal or otherwise) with respect to any securities of the Issuer.

Item 7. Material to be Filed as Exhibits

Exhibit 99.1 Joint Filing Agreement, dated as of August 7, 2017, among Pershing Square, PS Management and William A. Ackman.
Exhibit 99.2 Trading data.
Exhibit 99.3 Form of Confirmation for Forward Purchase Contracts.
Exhibit 99.4 Form of Confirmation for Call Options.
Exhibit 99.5 Notification Letter, dated as of August 7, 2017.
Exhibit 99.6 Press Release, dated as of August 7, 2017.

Follow Automatic Data Processing Inc (NASDAQ:ADP)

Page 8 of 10