Adaptive Biotechnologies Corp

Our corporate headquarters is located in Seattle, Washington, where we lease approximately 100,000 square feet. The lease expires August 2033, subject to our option to twice extend the lease for five years. In a separate Seattle, Washington location, we lease approximately 65,500 square feet pursuant to a lease that expires in October 2032, subject to our option to twice extend the lease for five years. Both of our Seattle, Washington locations contain office and laboratory space.

We also lease approximately 27,000 square feet of a warehouse in Bothell, Washington. The lease expires in October 2031, subject to an early termination option in 2028 and an option to twice extend the lease for five years.

Additionally, we lease approximately 33,300 square feet of laboratory and office space in South San Francisco, California, pursuant to an amended lease that expires March 2026.

In November 2025, we entered into a lease to rent approximately 7,700 square feet of laboratory and office space in South San Francisco, California. The lease commenced February 2026, rent obligations commence October 2026 and the lease expires May 2029, subject to our option to extend the lease for three years.