24/06/2024 - Lantheus Holdings Inc.: Management Change/Compensation Form 8 K

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 17, 2024, Kimberly Brown was appointed as the Chief Accounting Officer of Lantheus Holdings, Inc. (the "Company") and its subsidiaries, effective July 1, 2024. Ms. Brown will serve as the Company's principal accounting officer effective as of August 1, 2024 (the "Effective Date"). Andrea Sabens, the Company's current Chief Accounting Officer and principal accounting officer, will transition to a new role at the Company and will no longer serve as the principal accounting officer as of the Effective Date.

Ms. Brown, 34, most recently served as Vice President, Controller at Repligen Corporation, responsible for Global Controllership, Financial Reporting, Audit, Shared Services and Cost Accounting functions. During her six years at Repligen, from October 2018 to June 2024, she held positions of increasing responsibility, including global enterprise resource planning system implementations, mergers and acquisitions due diligence and integration, and financial planning and analysis support. Prior to Repligen, she served as an Audit Manager at Grant Thornton LLP for six years, from October 2013 to October 2018, with an emphasis on international public manufacturing companies. She earned a Bachelor of Science in Corporate Finance and Accounting, with a concentration in Health Industry, and a Master of Science in Accounting, both from Bentley University. She is a licensed Certified Public Accountant in the state of Massachusetts.

In connection with Ms. Brown's employment as Chief Accounting Officer, the Company entered into an offer letter with Ms. Brown (the "Offer Letter"). Her annual base salary will be $350,000, and she will be eligible for a discretionary annual bonus with a target award of 35% of her annual base salary. Additionally, subject to approval by the Talent and Compensation Committee of the board of directors of the Company (the "Committee"), Ms. Brown will be granted initial equity awards with an aggregate grant date fair value of $900,000, which awards will be granted on or about July 15th, 2024. Such awards will consist of 50% restricted stock units ("RSUs") and 50% non-qualifiedstock options, which will vest annually on each of the first three anniversaries of the grant date. The Offer Letter also provides for a $50,000 sign-onbonus.

Pursuant to her Offer Letter, Ms. Brown will be eligible in 2025 for discretionary annual equity incentive awards, with a target value of $450,000.

There are no arrangements or understandings between Ms. Brown and any other persons pursuant to which she was appointed as principal accounting officer, there are no family relationships among any of the Company's directors or executive officers and Ms. Brown and she has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.