EXHIBIT 99.1 Zoetis Announces First Quarter 2024 Results • Reports Revenue of $2.2 Billion, Growing 10%, and Net Income of $599 Million, or $1.31 per Diluted Share, Increasing 9% and 10%, Respectively, on a Reported Basis for First Quarter 2024 • Delivers 12% Operational Growth in Revenue and 15% Operational Growth in Adjusted Net Income for First Quarter 2024 • Reports Adjusted Net Income of $634 Million, or Adjusted Diluted EPS of $1.38, for First Quarter 2024 • Updates Full Year 2024 Revenue Guidance to ...