AUTOMATIC DATA PROCESSING INC — Proxy Solicitation & Information Statement 2017

Oct 4, 2017

DFAN14A 1 d470340ddfan14a.htm DFAN14A DFAN14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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Automatic Data Processing, Inc.

(Name of Registrant as Specified In Its Charter)

William A. Ackman

Veronica M. Hagen

V. Paul Unruh

Pershing Square Capital Management, L.P.

PS Management GP, LLC

Pershing Square, L.P.

Pershing Square II, L.P.

Pershing Square International, Ltd.

Pershing Square Holdings, Ltd.

Pershing Square VI Master, L.P.

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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On October 4, 2017, chief executive officer and portfolio manager of Pershing Square Capital Management, L.P., William A. Ackman posted the following material to his Twitter page located at https://twitter.com/BillAckman:

Bill Ackman @BillAckman i wll be on @jimcramer tonight at 6pm to discuss $ADP. Hope you can watch. 1:57 PM -4 Oct 2017 31 Retweets 96 Likes Follow 16 31 96

Pershing Square Capital Management, L.P. and certain affiliates posted the following material to their Twitter page relating to Automatic Data Processing, Inc. (the “Company”):

ADP ASCENDING Tune in at 6pm ET tonight for @BillAckman’s interview W @jimcramer on how $ADP can improve #VoteGOLD @ADPascending 2h

ADP Ascending Retweeted Bill Ackman I will be on @jimcramer tonight at 6pm to discuss $ADP. Hope you can watch. @BillAckman 3h