Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
PFIZER INC
  2. Issuer Name and Ticker or Trading Symbol
Zoetis Inc. [ZTS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
235 E 42ND ST
3. Date of Earliest Transaction (Month/Day/Year)
06/24/2013
(Street)

NEW YORK, NY 10017
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 06/24/2013   C   400,985,000 A (1) (3) 400,985,000 D  
Class A Common Stock 06/24/2013   J   400,985,000 D (2) 0 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Common Stock (3) 06/24/2013   C     400,985,000   (3)   (3) Class A Common Stock 400,985,000 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PFIZER INC
235 E 42ND ST
NEW YORK, NY 10017
    X    

Signatures

 /s/ Matthew Lepore, Vice President and Corporate Secretary on behalf of Pfizer Inc.   06/26/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Class A Common Stock was acquired pursuant to the conversion of Class B Common Stock in an exempt transaction under Rule 16b-6(b). The Class B Common Stock was converted into Class A Common Stock on a one-for-one basis and had no exercise or conversion price.
(2) Pfizer Inc. ("Pfizer") disposed of 400,985,000 shares of Class A Common Stock of Zoetis Inc. ("Class A Common Stock") in exchange for 405,117,195 shares of Pfizer common stock pursuant to a registered exchange offer to Pfizer common stockholders. The final exchange ratio for the exchange offer was 0.9898 shares of Class A Common Stock per share of Pfizer common stock accepted in the exchange offer. As a result of the exchange offer, Pfizer has disposed of its entire equity interest in the Issuer. The closing price of Pfizer common stock on the New York Stock Exchange on June 21, 2013, the trading day immediately preceding the day on which Pfizer accepted Pfizer shares that had been validly tendered and not validly withdrawn,was $28.46.
(3) The Class B Common Stock was convertible into Class A Common Stock at any time on a one-for-one basis and had no exercise or conversion price or expiration date.

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