| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Capital Research Global Investors | 2,290,000 | 7.60 | $84,226,200 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,493,906 | 4.96 | $54,945,862 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 1,264,736 | 4.20 | $46,516,990 | 30-Sep-09 | | FRANKLIN RESOURCES, INC | 1,245,350 | 4.13 | $45,803,973 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 1,215,345 | 4.03 | $44,700,389 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 938,128 | 3.11 | $34,504,347 | 30-Sep-09 | | Tygh Capital Management, Inc. | 895,051 | 2.97 | $32,919,975 | 30-Sep-09 | | OAK RIDGE INVESTMENTS, LLC | 877,443 | 2.91 | $32,272,353 | 30-Sep-09 | | WASATCH ADVISORS INC | 864,900 | 2.87 | $31,811,022 | 30-Sep-09 | | RAINIER INVESTMENT MANAGEMENT | 834,255 | 2.77 | $30,683,898 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | SMALLCAP WORLD FUND | 1,065,000 | 3.54 | $37,008,750 | 30-Jun-09 | | RAINIER SMALL/MIDCAP EQUITY PORTFOLIO | 724,860 | 2.41 | $25,188,885 | 30-Jun-09 | | FRANKLIN STRATEGIC SERIES-FRANKLIN SMALL-MID CAP GROWTH | 719,300 | 2.39 | $26,455,854 | 30-Sep-09 | | AMERICAN FDS INSURANCE SER-GLOBAL SMALL CAPITALIZATION F | 525,000 | 1.74 | $19,309,500 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 314,617 | 1.04 | $11,571,613 | 30-Sep-09 | | MFS NEW DISCOVERY FUND | 286,930 | .95 | $9,876,130 | 31-Aug-09 | | AIM SMALL CAP GROWTH FUND | 280,935 | .93 | $10,332,789 | 30-Sep-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 277,679 | .92 | $10,218,587 | 31-Oct-09 | | WASATCH SMALL CAP GROWTH FUND | 267,565 | .89 | $9,297,883 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 241,568 | .80 | $8,394,488 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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