Investor Presentation March 2023

Accomplished Senior Leadership Joined 2017 Robert Leasure, Jr. - Chief Executive Officer, President and Director 30+ years of experience in turnarounds, restructurings, financings, M&A, and in building/mentoring management teams John Sagartz, DVM, PhD – Chief Strategy Officer and Director March 2020 25+ years of leadership experience in toxicology and preclinical development Prior companies: Searle/Monsanto, Pharmacia/Pfizer, and Seventh Wave Laboratories, which he founded and led prior to its sale to Inotiv July 2018 March 2022 Mike Garrett - Chief Commercial Officer 20+ years of experience in commercial operations, strategic planning, and project management Prior companies: Envigo, MPI Research and BioReliance June 2019 Fernanda Beraldi - General Counsel and Corporate Secretary 19+ years of experience in legal and ethics compliance Prior companies: Cummins, Lilly, Embraer April 2022 Adrian Hardy, PhD - Executive Vice President 20+ years of experience in strategy, global operations, business development and animal welfare 2002 Prior companies: Envigo, Novartis Feb. 2021 2017 June 2022 Beth Taylor, Sr. VP, Chief Financial Officer 30+ years of experience in corporate and operational finance and accounting Prior companies: Endocyte, Inc., Author Solutions, Inc., Harlan Laboratories, Inc., Republic Airways Holdings and Rolls-Royce Corporation Jeff Krupp- Chief Human Resources Officer . 25+ years of experience in progressive, strategic human resources Prior companies: Magna International, Commercial Vehicle Group, Masco, Wabash and Dover Corporation Greg Beattie - Chief Operating Officer, DSA 30+ years of contract research experience 20+ years in operational leadership roles at Charles River Laboratories Lizanne Muller - Group President, RMS 25+ years experience in global operations, supply change, process improvements, acquisition integration and strategic planning Prior companies: Dishman Pharmaceuticals, Carbogen Amcis, Envigo Glenn Washer- Group President, Safety Assessment 35+ years of contract research experience Prior companies: Frontage, Charles River Laboratories 8

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