AtriCure, Inc.

The Company operates in the following principal locations:

•AtriCure Corporate Headquarters Campus; Mason, Ohio – The campus encompasses three buildings in Mason, Ohio, including our global headquarters facility that contains the Company's administrative, clinical, regulatory, engineering, product development, quality and manufacturing functions. The headquarters facility is approximately 106,000 square feet. The Mason Distribution Warehouse is primarily used for warehousing and distribution activities and is approximately 52,000 square feet. The Mason Manufacturing Building is used for manufacturing, quality and engineering activities and is currently under construction to expand the 38,500 square feet facility to approximately 103,500 square feet for additional manufacturing and office space.

•Minnetonka, Minnesota – This location includes administrative, clinical, regulatory and product development space and is approximately 32,000 square feet.

•Pleasanton, California – This location is used for product development activities and is approximately 6,000 square feet.

•Amsterdam, Netherlands – This location houses administrative functions for our international operations and is approximately 9,000 square feet.

•Hertogenbosch, Netherlands – This location is used for European service activities and is approximately 19,000 square feet.

The Company believes that its existing facilities, including current expansion activities. are adequate to meet its immediate needs. We intend to add new facilities as we grow, and we believe that suitable additional space will be available in the future on commercially reasonable terms as needed.