Item 9B. Other Information.

Rule 10b5-1 Trading Arrangements

Heidi Chen, Executive Vice President, General Counsel and Corporate Secretary; Business Lead of Human Health Diagnostics, adopted a pre-arranged trading plan on December 15, 2023, that is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended. Ms. Chen's plan provides for the sale of up to 8,310 shares of Zoetis common stock between March 15, 2024 and March 13, 2026.