Item 2. Properties

Our headquarters is located at 1331 L Street, NW, in downtown Washington, DC, where we occupy approximately 169,093 square feet of office space, with a lease that expires on May 31, 2025 (with two 5-year renewal options). Our headquarters is used primarily by our North America operating segment. Our principal facility in the U.K. is located in London, where we occupy 23,064 square feet of office space. Our lease for this facility has a term ending August 31, 2025. This facility is used by our International operating segment.

We own a building in Richmond, Virginia, located at 501 S 5th Street, where we occupy 276,695 square feet and lease out 33,912 square feet to another tenant. This location houses research, development and sales functions.

We also operate certain of our research, development and sales functions out of additional leased office spaces in Richmond, Virginia; San Diego, California; and Atlanta, Georgia. Additionally, we lease office space in a variety of other metropolitan areas. These locations include, among others, the following: Hendersonville, Tennessee; Irvine, California; Boston, Massachusetts; San Francisco, California; Ontario, California; and Los Angeles, California.

We believe these facilities are suitable and appropriately support our business needs.