| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | HEARTLAND ADVISORS INC. | 2,300,000 | 9.45 | $4,876,000 | 30-Sep-09 | | CANNELL, J. CARLO | 909,488 | 3.74 | $1,928,114 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 3,450,500 | 14.18 | $7,315,060 | 30-Sep-09 | | GAMCO INVESTORS INC | 360,250 | 1.48 | $763,730 | 30-Sep-09 | | GABELLI FUNDS, LLC | 325,000 | 1.34 | $689,000 | 30-Sep-09 | | WASATCH ADVISORS INC | 300,000 | 1.23 | $636,000 | 30-Sep-09 | | EAGLE ASSET MANAGEMENT, INC. | 203,765 | .84 | $431,981 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 182,204 | .75 | $386,272 | 30-Sep-09 | | SHAW D.E. & CO., INC. | 153,034 | .63 | $324,432 | 30-Sep-09 | | GRT CAPITAL PARTNERS, LLC | 111,960 | .46 | $237,355 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | HEARTLAND VALUE FUND | 2,300,000 | 9.45 | $3,565,000 | 30-Jun-09 | | IVY SCIENCE & TECHNOLOGY FUND | 501,400 | 2.06 | $777,170 | 30-Jun-09 | | WADDELL & REED ADVISORS FDS-SCIENCE & TECHNOLOGY FUND | 2,588,000 | 10.64 | $4,011,400 | 30-Jun-09 | | Ivy Fds VIP-Science & Technology Port | 358,700 | 1.47 | $555,985 | 30-Jun-09 | | GABELLI SMALL CAP GROWTH FUND | 325,000 | 1.34 | $689,000 | 30-Sep-09 | | EQ Advisors Trust-EQ/GAMCO Small Company Value Portfolio | 230,000 | .95 | $356,500 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 86,744 | .36 | $134,453 | 30-Jun-09 | | Mutual of America Investment Corp-Small Cap Value Fund | 85,820 | .35 | $133,021 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 69,206 | .28 | $107,269 | 30-Jun-09 | | Schwab Capital Trust-Schwab U.S. Fundamental Small-Mid Co In | 60,000 | .25 | $98,400 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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