UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No.           )

Filed by the Registrant     Q                              Filed by a party other than the Registrant     £

Check the appropriate box:

£    Preliminary Proxy Statement

£Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

£    Definitive Proxy Statement

Q    Definitive Additional Materials

£    Soliciting Material Pursuant to §240.14a-12

Zoetis Inc.

(Name of Registrant as Specified In Its Charter)

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

Payment of Filing Fee (Check all boxes that apply):

Q    No fee required.

£    Fee paid previously with preliminary materials.

£    Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.