Find the Right Solution

		FEOL Critical Clean & Etch
Products	Wafer Size (mm)	Applications
ORION® Single Wafer Cleaning System	300
ANTARES® Single Wafer Cryokinetic System	200/ 300
ZETA® Batch Spray System	200/ 300
ZETA® Semi-Auto Batch Spray System	≤200
MERCURY® Semi-Auto Batch Spray System	≤200
MAGELLAN® Batch Immersion System	200/ 300
POLARIS® Micro Lithography Cluster	N/A

Applications

Products

Investors

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How can I buy or sell FSI stock?

FSI stock is listed on the Nasdaq Stock Exchange under the ticker symbol “FSII.” Shares can be purchased or sold from any stock brokerage firm or financial institution that provides brokerage services.

Does FSI have a direct purchase plan?

We do not have a direct purchase plan. We review options on a regular basis and will post any changes to our stock programs on this Web site.

Does FSI issue dividends or have a Dividend Reinvestment Program (DRIP) program?

We do not currently issue dividends or have a DRIP plan. We reinvest cash back into the business with the objective of adding product offerings, maintaining a technology lead and growing our marketshare.

When was the last stock split, and what was the stock price and ratio when it split?

We had a 2 for 1 stock split on June 16, 1995. At the time of the 2-for-1 stock split, the stock price was $51.00.

When does FSI usually report its quarterly and year-end financial results?

The fiscal year ends on the last Saturday of August of each year. The 2010 and 2011 quarter endings are:

Quarter 1, 2010: November 28, 2009
Quarter 2, 2010: February 27, 2010
Quarter 3, 2010: May 29, 2010
Quarter 4, 2010: August 28, 2010
Quarter 1, 2011: November 27, 2010
Quarter 2, 2011: February 26, 2011

Where is the company located?

FSI is headquartered in Chaska, Minnesota. Today, we have applications labs located in Chaska, Minnesota, Allen, Texas and through the company's distributor, Apprecia Technology, in Okayama, Japan to support our customers' process development requirements. We maintain a global presence while also providing local support to customers located throughout Europe, the Asia-Pacific region and Japan.

What products does FSI sell?

We develop and manufacture wafer cleaning technologies that deliver economic and technical advantages for current and emerging microelectronics manufacturing challenges. Customers in the surface conditioning market use our equipment to perform front-end-of-line (FEOL) and back-end-of-line (BEOL) critical cleaning, etching and stripping applications on the surfaces of silicon wafers using single wafer and batch processing techniques. FSI Applications and Products

How can I get additional investor information on FSI?

To receive additional investor information on FSI, contact your stockbroker, call FSI shareholder services directly at (952) 448-8922.

How can I get a copy of FSI’s latest annual report or quarterly statement?

You may view our latest annual report or quarterly statements electronically on this Web site. To obtain printed copies of the financial information, click here for the SEC Website or call FSI shareholder services directly at (952) 448-8922 with your request.

When is the FSI shareholders’ meeting, and who can attend?

Each year we welcome our shareholders to the FSI annual meeting. Notice of this annual meeting, which is generally held during the month of January, is issued in the proxy statement.

I have questions regarding my stock certificates. Who do I contact?

All questions regarding the ownership of FSI stock should be addressed to:

Computershare Trust Company, N.A.
P.O. Box 43078
Providence, RI 02940-3078
Phone: (312) 360-5324
Fax: (312) 601-4332
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

How do I change my address or title on my FSI stock certificate?

How do I contact FSI?

You can contact FSI by calling the shareholder services phone number at (952) 448-8922 or Investor Relations at (952) 448-8936.