AGIOS PHARMACEUTICALS INC

We currently lease approximately 146,000 square feet at 88 Sidney Street, 43,000 square feet at 64 Sidney Street, and 13,000 square feet at 38 Sidney Street, Cambridge, Massachusetts. All leases, as amended, expire on February 29, 2028. At the end of the initial lease period, we have the option to extend the leases at all facilities for two consecutive five-year periods at the fair market rent at the time of the extension. In August 2021, we entered into a long-term sublease agreement for the 13,000 square feet at 38 Sidney Street, Cambridge, Massachusetts, which expired on December 31, 2024. In April 2022, we entered into a long-term sublease agreement for 27,000 square feet of office space at 64 Sidney Street, Cambridge, Massachusetts, with the term of the lease running through April 2025. In May 2023, we entered into a long-term sublease agreement for 7,407 square feet of office space on the first floor of 64 Sidney Street, Cambridge, Massachusetts, with the term of the lease running through April 2025. We believe our existing facilities are adequate for our current needs.