Week of January 30, 2012
| Date |
Open |
High |
Low |
Close |
Volume |
| Jan 30, 2012 |
2.25 |
2.37 |
2.22 |
2.35 |
672,106 |
| Jan 31, 2012 |
2.37 |
2.37 |
2.23 |
2.27 |
632,340 |
| Feb 1, 2012 |
2.28 |
2.40 |
2.26 |
2.39 |
876,944 |
| Feb 2, 2012 |
2.62 |
2.98 |
2.61 |
2.88 |
5,355,560 |
| Feb 3, 2012 |
2.89 |
3.00 |
2.76 |
2.87 |
1,696,917 |
Year End Stock Prices

The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Mattson Technology, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.
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