Sana Biotechnology, Inc.

Washington

Our corporate headquarters are located in Seattle, Washington, where we lease 25,898 square feet of office and laboratory space pursuant to a lease agreement that commenced in March 2019 and expires in December 2026, and includes an option to extend for an additional five-year term. We sublease an additional 22,188 square feet of office and laboratory space in the same building pursuant to a sublease agreement that commenced in September 2020 and expires in April 2028. In June 2022, we entered into a lease agreement for 79,565 square feet of office, laboratory, and manufacturing space located in Bothell, Washington (the Bothell facility). The lease agreement has an initial term of 16 years expiring in January 2039 and includes an option to extend for up to three additional five-year terms.

California

We occupy 66,075 square feet of office, laboratory, and manufacturing space in South San Francisco, California pursuant to a lease agreement that commenced in December 2019 and expires in April 2030, and includes the option to extend for an additional five-year term. We sublease an additional 32,909 square feet of office and laboratory space in the same building pursuant to a sublease agreement that commenced in April 2022 and expires in April 2030.

Massachusetts

We lease 24,386 square feet of office and laboratory space in Cambridge, Massachusetts pursuant to a lease agreement that commenced in March 2019 and expires in June 2027 and sublease an additional 31,563 square feet of similar space in an adjacent building pursuant to a sublease agreement that commenced in January 2020 and expires in February 2028.

We believe that our existing facilities are sufficient for our near-term needs, but we may need additional space if we grow. We believe that suitable additional or alternative spaces will be available in the future on commercially reasonable terms, if required.