MINNEAPOLIS (December 15, 2009) -- FSI International, Inc. (Nasdaq: FSII), a manufacturer of capital equipment for the microelectronics industry, will release its financial information for first quarter fiscal 2010 results on Tuesday, December 22, 2009, after market close and will host a conference call later the same day at 4:30 p.m. Eastern Time (3:30 p.m. Central Time) to discuss the results.

FSI invites all those interested in hearing management’s discussion of its quarter to join the call by dialing 888.606.5720 and entering access code 6637389.

FSI International, Inc. is a global supplier of surface conditioning equipment, technology and support services for microelectronics manufacturing. Using the Company’s broad portfolio of cleaning products, which include batch and single-wafer platforms for immersion, spray, vapor and CryoKinetic technologies, customers are able to achieve their process performance flexibility and productivity goals. The Company’s support services programs provide product and process enhancements to extend the life of installed FSI equipment, enabling worldwide customers to realize a higher return on their capital investment. For more information, visit FSI’s website at http://www.fsi-intl.com, or call Benno Sand, 952.448.8936.