Alkermes plc

We lease an approximately 14,600 square foot corporate office space in Dublin, Ireland, which is our corporate headquarters. This lease expires in 2027 and does not include an additional tenant option to further extend the term.

We lease an approximately 231,000 square foot corporate office and R&D center in Waltham, Massachusetts. This lease, which commenced in January 2020, expires in 2035 and includes a tenant option to extend the term for an additional ten-year period. We serve as the guarantor of a lease assigned to Mural Oncology, Inc., a subsidiary of Mural Oncology plc, for a facility in Waltham, Massachusetts with approximately 180,000 square feet of corporate offices, administrative areas and laboratories. This lease expires in 2026 and includes a tenant option to extend the term for an additional five-year period.

We lease an approximately 7,000 square foot corporate office and administrative space in Washington, DC. This lease expires in 2029 and includes a tenant option to extend the term for an additional five-year period.

We own an approximately 375,000 square foot manufacturing facility in Wilmington, Ohio.

We believe that our current facilities are suitable and adequate for our current and near-term preclinical, clinical and commercial requirements.