| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLS FARGO & COMPANY | 2,137,970 | 4.69 | $38,120,005 | 30-Sep-09 | | THORNBURG INVESTMENT MANAGEMENT INC. | 2,130,279 | 4.67 | $37,982,874 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 2,048,600 | 4.49 | $36,526,538 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 1,483,448 | 3.25 | $26,449,877 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 1,143,148 | 2.51 | $20,382,328 | 30-Sep-09 | | FRIESS ASSOCIATES INC | 1,070,100 | 2.35 | $19,079,883 | 30-Sep-09 | | WALL STREET ASSOCIATES | 1,061,210 | 2.33 | $18,921,374 | 30-Sep-09 | | ALYDAR PARTNERS, LLC | 880,000 | 1.93 | $15,690,400 | 30-Sep-09 | | Capital World Investors | 800,000 | 1.75 | $14,264,000 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 780,269 | 1.71 | $13,912,196 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | SMALLCAP WORLD FUND | 800,000 | 1.75 | $13,424,000 | 30-Jun-09 | | JANUS WORLDWIDE FUND | 677,150 | 1.48 | $12,073,584 | 30-Sep-09 | | Wells Fargo Advantage Common Stock Fd | 610,000 | 1.34 | $10,876,300 | 30-Sep-09 | | BLAIR (WILLIAM) MUTUAL FUNDS, INC.-SMALL CAP GROWTH FUND | 542,810 | 1.19 | $9,678,302 | 30-Sep-09 | | Wells Fargo Advantage Small Cap Growth Fd | 424,055 | .93 | $7,560,900 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 369,300 | .81 | $6,584,619 | 30-Sep-09 | | LKCM FUND-LKCM SMALL CAP EQUITY PORTFOLIO | 300,700 | .66 | $5,361,481 | 30-Sep-09 | | CONSULTING GROUP CAPITAL MARKETS-SMALL CAP GROWTH INV | 236,600 | .52 | $4,116,840 | 31-Aug-09 | | ISHARES RUSSELL 2000 INDEX FD | 231,804 | .51 | $4,133,065 | 30-Sep-09 | | JANUS VENTURE FUND | 221,034 | .48 | $3,941,036 | 30-Sep-09 |
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*
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Value shown is computed using the security's price on the report date given.
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