Xencor Inc

Our principal laboratory and administrative facilities are currently located in Pasadena, California, which is located in the greater Los Angeles region. We currently lease 83,083 square feet of laboratory and office space in Pasadena, California (the initial lease). The lease became effective on August 1, 2022 and is for a term of 13 years. An additional 46,460 square feet of space adjacent to the existing space, is subject to a lease that begins on July 1, 2025 (the second lease). The second lease is for a term of 10 years and expires at the same time as the initial lease.

We also continue to lease 24,000 square feet of office and lab at our previous facility in Monrovia, California pursuant to a lease that expires December 31, 2025.

In August 2023, we entered into a lease for 9,400 square feet of office space in San Diego, California. The term of the lease agreement began in September 2023 and expires in December 2027.

We previously leased 24,000 square feet of office space in San Diego, California pursuant to a lease which expired on December 31, 2023 and a 7,000-square floor office space in Monrovia, California pursuant to a lease that began August 1, 2021 and expired on January 31, 2023.

We believe that our existing facilities are adequate to meet our current and future needs.