Chen Heidi C.

SEC source: 0001555280-19-000062 · wf-form4_155019021163581.xml · derivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,884.1794

Underlying: Common Stock · 12,884.1794 shares

Expires not disclosed

F10 · security: Represents performance award units with a three-year performance period covering 2016-2018 that were granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon. The performance award units reported herein were deemed acquired on February 12, 2019, which is the date the Zoetis Compensation Committee certified the level of achievement of the applicable performance goal for these performance award units. The performance award units (and dividend equivalent units issued thereon) will vest and be settled in shares of Zoetis common stock on February 19, 2019, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F11 · derivative.exercise_price: Each performance award unit represents a contingent right to receive one share of Zoetis Inc. common stock.

F12 · derivative.exercise_date: Each performance award unit will vest and be settled in shares of Zoetis Inc. common stock on February 19, 2019, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001555280-19-000062 · wf-form4_155019021163581.xml · derivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,437

Underlying: Common Stock · 14,921 shares

Expires not disclosed

F6 · security: Stock option (right to buy Zoetis Inc. common stock) granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan. The option vests on the third anniversary of the date of grant.

F7 · derivative.exercise_price: 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option; 18,892 options granted February 13, 2018 at an exercise price of $73.24 per option; and 14,921 options granted February 12, 2019 at an exercise price of $87.51.

F8 · derivative.exercise_date: Each option vests on the third anniversary of the date of grant.

F9 · derivative.expiration_date: Each option expires on the tenth anniversary of the date of grant.

F7 · balance_after: 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option; 18,892 options granted February 13, 2018 at an exercise price of $73.24 per option; and 14,921 options granted February 12, 2019 at an exercise price of $87.51.

SEC source: 0001555280-19-000062 · wf-form4_155019021163581.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,155.1859

Underlying: Common Stock · 3,713 shares

Expires not disclosed

F1 · security: Represents restricted stock units granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). Restricted stock units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events. Dividend equivalent units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant of the underlying restricted stock units, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Zoetis Inc. common stock.

F3 · derivative.exercise_date: Each RSU will vest and be settled in shares of Zoetis Inc. common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F4 · derivative.expiration_date: Not applicable.

F5 · balance_after: The RSUs vest as follows: 7,730.9161 RSUs will vest on February 19, 2019; 6,445.1413 RSUs will vest on February 14, 2020; 5,266.1285 RSUs will vest on February 13, 2021; and 3,713.0000 RSUs will vest on February 12, 2022.

SEC source: 0001555280-19-000012 · wf-form4_154758796086806.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268.6125

Underlying: Common Stock · 85.0533 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000277 · wf-form4_154413480498177.xml · derivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,968.9976 shares

Expires not disclosed

F3 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F4 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F3 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F3 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000277 · wf-form4_154413480498177.xml · nonDerivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Indirect · By 401(k) Plan

Disclosed balance after: 0

F2 · security: Represents common stock equivalents held in the Zoetis Inc. Savings Plan, a 401(k) plan.

F2 · balance_after: Represents common stock equivalents held in the Zoetis Inc. Savings Plan, a 401(k) plan.

SEC source: 0001555280-18-000277 · wf-form4_154413480498177.xml · nonDerivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,662

F1 · price: The Price reported in Table I, Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.51 to $93.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001555280-18-000261 · wf-form4_153972297930976.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,760.9865

Underlying: Common Stock · 70.5739 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000208 · wf-form4_153186108860183.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,537.3138

Underlying: Common Stock · 84.9743 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000159 · wf-form4_152399860585055.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,268.0095

Underlying: Common Stock · 157.8665 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000145 · wf-form4_152149254857822.xml · nonDerivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,162

F1 · price: The Price reported in Table I, Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.71 to $84.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001555280-18-000137 · wf-form4_152115086994554.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,767.5201

Underlying: Common Stock · 297.5551 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · derivative · entry 6

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,636.2186 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Performance award units having a three-year performance period covering 2015-2017 previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon. The performance award units reported herein were deemed acquired on February 13, 2018, which is the date the Zoetis Compensation Committee certified the level of achievement of the applicable performance goal for these performance award units. The performance award units (and dividend equivalent units issued thereon) vested on February 27, 2018 and were settled in shares of Zoetis common stock.

F2 · derivative.exercise_price: Acquisition of common stock upon vesting and settlement of performance award units. Each performance award unit represents a right to receive one share of Zoetis Inc. common stock upon vesting of the performance award unit.

F2 · price: Acquisition of common stock upon vesting and settlement of performance award units. Each performance award unit represents a right to receive one share of Zoetis Inc. common stock upon vesting of the performance award unit.

F4 · derivative.exercise_date: Performance award units having a three-year performance period covering 2015-2017 previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon. The performance award units reported herein were deemed acquired on February 13, 2018, which is the date the Zoetis Compensation Committee certified the level of achievement of the applicable performance goal for these performance award units. The performance award units (and dividend equivalent units issued thereon) vested on February 27, 2018 and were settled in shares of Zoetis common stock.

F4 · derivative.expiration_date: Performance award units having a three-year performance period covering 2015-2017 previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon. The performance award units reported herein were deemed acquired on February 13, 2018, which is the date the Zoetis Compensation Committee certified the level of achievement of the applicable performance goal for these performance award units. The performance award units (and dividend equivalent units issued thereon) vested on February 27, 2018 and were settled in shares of Zoetis common stock.

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · derivative · entry 5

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,319.8777

Underlying: Common Stock · 5,915.2883 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 5,915.2883 RSUs vested on February 27, 2018; 7,682.2819 RSUs will vest on February 19, 2019; 6,404.5958 RSUs will vest on February 14, 2020; and 5,233 RSUs will vest on February 13, 2021.

F1 · derivative.exercise_price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F1 · price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F3 · derivative.exercise_date: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 5,915.2883 RSUs vested on February 27, 2018; 7,682.2819 RSUs will vest on February 19, 2019; 6,404.5958 RSUs will vest on February 14, 2020; and 5,233 RSUs will vest on February 13, 2021.

F3 · derivative.expiration_date: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 5,915.2883 RSUs vested on February 27, 2018; 7,682.2819 RSUs will vest on February 19, 2019; 6,404.5958 RSUs will vest on February 14, 2020; and 5,233 RSUs will vest on February 13, 2021.

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · nonDerivative · entry 4

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,545

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · nonDerivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,799

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Acquisition of common stock upon vesting and settlement of performance award units. Each performance award unit represents a right to receive one share of Zoetis Inc. common stock upon vesting of the performance award unit.

F2 · price: Acquisition of common stock upon vesting and settlement of performance award units. Each performance award unit represents a right to receive one share of Zoetis Inc. common stock upon vesting of the performance award unit.

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · nonDerivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,163

SEC source: 0001555280-18-000110 · wf-form4_151994210938539.xml · nonDerivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,077

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F1 · price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

SEC source: 0001555280-18-000078 · wf-form4_151925029809532.xml · derivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,516

Underlying: Common Stock · 37,453 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Stock option (right to buy Zoetis Inc. common stock) granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan. The option vests on the third anniversary of the date of grant.

F3 · derivative.exercise_price: 37,453 options granted March 4, 2014 at an exercise price of $30.89 per option.

F4 · derivative.exercise_date: Each option vests on the third anniversary of the date of grant.

F5 · derivative.expiration_date: Each option expires on the tenth anniversary of the date of grant.

F6 · balance_after: 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option; and 18,892 options granted February 13, 2018 at an exercise price of $73.24 per option.

SEC source: 0001555280-18-000078 · wf-form4_151925029809532.xml · nonDerivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,162

F1 · price: The Price reported in Table I, Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.01 to $81.07, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001555280-18-000078 · wf-form4_151925029809532.xml · nonDerivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,615

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001555280-18-000057 · wf-form4_151873050821813.xml · derivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,636.2186

Underlying: Common Stock · 8,636.2186 shares

Expires not disclosed

F10 · security: Represents performance award units with a three-year performance period covering 2015-2017 that were granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon. The performance award units reported herein were deemed acquired on February 13, 2018, which is the date the Zoetis Compensation Committee certified the level of achievement of the applicable performance goal for these performance award units. The performance award units (and dividend equivalent units issued thereon) will vest and be settled in shares of Zoetis common stock on February 27, 2018, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F11 · derivative.exercise_price: Each performance award unit represents a contingent right to receive one share of Zoetis Inc. common stock.

F12 · derivative.exercise_date: Each performance award unit will vest and be settled in shares of Zoetis Inc. common stock on February 27, 2018, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F4 · derivative.expiration_date: Not applicable.

SEC source: 0001555280-18-000057 · wf-form4_151873050821813.xml · derivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,969

Underlying: Common Stock · 18,892 shares

Expires not disclosed

F6 · security: Stock option (right to buy Zoetis Inc. common stock) granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan. The option vests on the third anniversary of the date of grant.

F7 · derivative.exercise_price: 37,453 options granted March 4, 2014 at an exercise price of $30.89 per option; 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option; and 18,892 options granted February 13, 2018 at an exercise price of $73.24 per option.

F8 · derivative.exercise_date: Each option vests on the third anniversary of the date of grant.

F9 · derivative.expiration_date: Each option expires on the tenth anniversary of the date of grant.

F7 · balance_after: 37,453 options granted March 4, 2014 at an exercise price of $30.89 per option; 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option; and 18,892 options granted February 13, 2018 at an exercise price of $73.24 per option.

SEC source: 0001555280-18-000057 · wf-form4_151873050821813.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,235.166

Underlying: Common Stock · 5,233 shares

Expires not disclosed

F1 · security: Represents restricted stock units granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). Restricted stock units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events. Dividend equivalent units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant of the underlying restricted stock units, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Zoetis Inc. common stock.

F3 · derivative.exercise_date: Each RSU will vest and be settled in shares of Zoetis Inc. common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F4 · derivative.expiration_date: Not applicable.

F5 · balance_after: The RSUs vest as follows: 5,915.2883 RSUs will vest on February 27, 2018; 7,682.2819 RSUs will vest on February 19, 2019; 6,404.5958 RSUs will vest on February 14, 2020; and 5,233 RSUs will vest on February 13, 2021.

SEC source: 0001555280-18-000014 · wf-form4_151631316299716.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,823.6025

Underlying: Common Stock · 93.5576 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-17-000197 · wf-form4_150818691631362.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,527.8979

Underlying: Common Stock · 92.5691 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-17-000153 · wf-form4_150032361968947.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,236.9411

Underlying: Common Stock · 110.8011 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-17-000113 · wf-form4_149281038458933.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,889.2814

Underlying: Common Stock · 208.5279 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-17-000095 · wf-form4_149133785161071.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,239.0654

Underlying: Common Stock · 493.4829 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-17-000074 · wf-form4_148892287210233.xml · derivative · entry 3

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,866.012

Underlying: Common Stock · 9,942.6016 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 9,942.6016 RSUs vested on March 4, 2017; 5,875.0231 RSUs will vest on February 27, 2018; 7,629.9889 RSUs will vest on February 19, 2019; and 6,361 RSUs will vest on February 14, 2020.

F1 · derivative.exercise_price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F1 · price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F2 · derivative.exercise_date: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 9,942.6016 RSUs vested on March 4, 2017; 5,875.0231 RSUs will vest on February 27, 2018; 7,629.9889 RSUs will vest on February 19, 2019; and 6,361 RSUs will vest on February 14, 2020.

F2 · derivative.expiration_date: Restricted stock units previously granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). The RSUs vest as follows and are settled in Zoetis common stock upon vesting: 9,942.6016 RSUs vested on March 4, 2017; 5,875.0231 RSUs will vest on February 27, 2018; 7,629.9889 RSUs will vest on February 19, 2019; and 6,361 RSUs will vest on February 14, 2020.

SEC source: 0001555280-17-000074 · wf-form4_148892287210233.xml · nonDerivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,162

SEC source: 0001555280-17-000074 · wf-form4_148892287210233.xml · nonDerivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,905

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

F1 · price: Acquisition of common stock upon vesting and settlement of restricted stock units (RSUs). Each RSU represents a right to receive one share of Zoetis Inc. common stock upon vesting of the RSU.

SEC source: 0001555280-17-000050 · wf-form4_148728133520437.xml · derivative · entry 2

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,077

Underlying: Common Stock · 24,475 shares

Expires not disclosed

F6 · security: Stock option (right to buy Zoetis Inc. common stock) granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan. The option vests on the third anniversary of the date of grant.

F7 · derivative.exercise_price: 32,097 options granted January 31, 2013 at an exercise price of $26.00 per option; 37,453 options granted March 4, 2014 at an exercise price of $30.89 per option; 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; and 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option.

F8 · derivative.exercise_date: Each option vests on the third anniversary of the date of grant.

F9 · derivative.expiration_date: Each option expires on the tenth anniversary of the date of grant.

F7 · balance_after: 32,097 options granted January 31, 2013 at an exercise price of $26.00 per option; 37,453 options granted March 4, 2014 at an exercise price of $30.89 per option; 22,850 options granted February 27, 2015 at an exercise price of $46.09 per option; 28,299 options granted February 19, 2016 at an exercise price of $41.83 per option; and 24,475 options granted February 14, 2017 at an exercise price of $55.02 per option.

SEC source: 0001555280-17-000050 · wf-form4_148728133520437.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,808.6136

Underlying: Common Stock · 6,361 shares

Expires not disclosed

F1 · security: Represents restricted stock units granted pursuant to the Zoetis Inc. 2013 Equity and Incentive Plan, and dividend equivalent units automatically issued thereon (each an "RSU" and collectively, "RSUs"). Restricted stock units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events. Dividend equivalent units vest and are settled in shares of Zoetis common stock on the third anniversary of the date of grant of the underlying restricted stock units, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Zoetis Inc. common stock.

F3 · derivative.exercise_date: Each RSU will vest and be settled in shares of Zoetis Inc. common stock on the third anniversary of the date of grant, subject to the reporting person's continued service through such vesting date and subject to earlier vesting and settlement upon certain specific events.

F4 · derivative.expiration_date: Not applicable.

F5 · balance_after: The RSUs vest as follows: 9,942.6016 RSUs will vest on March 4, 2017; 5,875.0231 RSUs will vest on February 27, 2018; 7,629.9889 RSUs will vest on February 19, 2019; and 6,361 RSUs will vest on February 14, 2020.

SEC source: 0001555280-17-000012 · wf-form4_148494949164720.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,698.8794

Underlying: Common Stock · 126.2811 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

SEC source: 0001555280-16-000477 · wf-form4_147675496775650.xml · derivative · entry 1

Chen Heidi C. · CIK 0001567828 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,304.5748

Underlying: Common Stock · 134.1327 shares

Expires not disclosed

F1 · security: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F2 · derivative.exercise_price: Each phantom stock unit represents a fraction of a phantom share of Zoetis common stock, plus a small amount of cash-equivalent investments (the cash-equivalent investments typically represent around 5% of the total value of the phantom stock unit). Accordingly, the value of each phantom stock unit is determined by reference to the market value of Zoetis common stock and the value of the cash-equivalent investments.

F1 · derivative.exercise_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.

F1 · derivative.expiration_date: These phantom stock units, which were acquired pursuant to the Zoetis Supplemental Savings Plan, are settled in cash following the reporting person's separation from service and may be transferred by the reporting person into an alternative investment fund at any time, provided Zoetis may limit the timing, frequency and permissibility of transfers from one investment fund to another at any time.