Julie McHugh is a Director and the Chairperson of the Compensation Committee, serving on the Board of Directors since January 2017. Ms. McHugh brings over 30 years of experience in the pharmaceutical, biotech and medical devices industries. She recently served as Chief Operating Officer of Endo Health Solutions, Inc., where she was responsible for the specialty pharmaceutical and generic drug businesses. Prior to that, Ms. McHugh was CEO of Nora Therapeutics, Inc., a venture capital backed biotech startup company focused on developing novel therapies for the treatment of infertility disorders. Previously, she served as Company Group Chairman for Johnson & Johnson’s worldwide virology business unit, and prior to that, she was President of Centocor, Inc., a J&J subsidiary. In this role, Ms. McHugh oversaw the development and launches of several products, including Remicade® (infliximab), Prezista® (darunavir) and Intelence® (etravirine). Prior to joining Centocor, Ms. McHugh led the marketing communications for gastrointestinal drug Prilosec® (omeprazole) at Astra-Merck Inc. Ms. McHugh currently serves on the Board of Directors of Aerie Pharmaceuticals, Inc., Ironwood Pharmaceuticals, Inc., New Xellia Group A/S and Trevena Pharmaceuticals, Inc. She previously served on the Board of Directors of the Biotechnology Industry Organization, the New England Healthcare Institute, the Pennsylvania Biotechnology Association, EPIRUS Pharmaceuticals, Inc. and ViroPharma Inc. Ms. McHugh received a Master of Business Administration from St. Joseph’s University and a Bachelor of Science from Pennsylvania State University.

Mary Anne Heino has served as a Director since August 2015, and became the Chairperson of our Board, the Chairperson of the Finance and Strategy Committee and a member of the Science and Technology Committee on March 1, 2024. She previously served as our Chief Executive Officer, a position she held from August 2015 until March 1, 2024, as our President and Chief Executive Officer, a position she held from August 2015 until March 2023, as our Chief Operating Officer, a position she held from March 2015 until August 2015, and as our Chief Commercial Officer, a position she held from April 2013 (when she joined the Company) until March 2015. Ms. Heino brings more than 30 years of diverse pharmaceutical industry experience to the Board. Prior to joining Lantheus, Ms. Heino held executive level roles at Angelini Labopharm LLC and Labopharm USA from February 2007 to March 2012. From May 2000 until February 2007, Ms. Heino served in numerous capacities at Centocor, Inc., a Johnson & Johnson (“J&J”) company. Ms. Heino began her professional career with Janssen Pharmaceutica, another J&J company, in June 1989 and held increasing roles in Sales and Marketing through 1999. Ms. Heino received her Master in Business Administration from the Stern School of Business at New York University. She earned a Bachelor of Science in Nursing from the City University of New York and a Bachelor’s of Science in Biology from the State University of New York at Stony Brook. Ms. Heino currently serves on the Executive Committee of the Massachusetts Business Roundtable and the Board of MassMEDIC.

Samuel Leno is a Director, the Chairman of the Audit Committee, and a member of the Nominating and Corporate Governance Committee, serving on the Board of Directors since May 2012. Mr. Leno is a strategic executive with more than 40 years of experience with complex multinational companies. He most recently held the positions of Executive Vice President and Chief Operations Officer at Boston Scientific. He previously served as Executive Vice President, Finance and Information Systems and Chief Financial Officer. He retired from Boston Scientific in December 2011. Prior to joining Boston Scientific, Mr. Leno served as Executive Vice President, Finance and Corporate Services and Chief Financial Officer at Zimmer Holdings, Inc. and Chief Financial Officer positions at Arrow Electronics, Inc., Corporate Express, Inc. and Coram Healthcare. Previously, he held a variety of senior financial positions at Baxter International, Inc. and American Hospital Supply Corporation. He is the Chairman of the Board of Directors and of the Audit Committee of Zest Anchors, Inc. He previously served on the Boards of Directors and the Audit Committees of Omnicare and TomoTherapy, Inc. and also served on the Board of Directors of Endotronix, Inc. Mr. Leno served as a Lieutenant in the United States Navy and is a Vietnam veteran. He holds a Bachelor of Science in Accounting from Northern Illinois University and a Master of Business Administration from Roosevelt University.