| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Capital Research Global Investors | 4,632,778 | 9.57 | $77,923,325 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 2,886,113 | 5.96 | $48,544,420 | 30-Sep-09 | | WELLS FARGO & COMPANY | 2,702,965 | 5.58 | $45,463,871 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,409,133 | 4.98 | $40,521,617 | 30-Sep-09 | | AXA | 2,046,894 | 4.23 | $34,428,757 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,742,677 | 3.60 | $29,311,827 | 30-Sep-09 | | Bank of New York Mellon Corporation | 1,633,674 | 3.37 | $27,478,396 | 30-Sep-09 | | ORBIMED ADVISORS LLC. | 1,504,000 | 3.11 | $25,297,280 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 1,466,200 | 3.03 | $24,661,484 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 6,776,560 | 13.99 | $113,981,739 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | SMALLCAP WORLD FUND | 2,783,600 | 5.75 | $38,914,728 | 30-Jun-09 | | AMERICAN FDS INSURANCE SER-GLOBAL SMALL CAPITALIZATION F | 2,295,478 | 4.74 | $38,609,939 | 30-Sep-09 | | CALAMOS GROWTH FUND | 1,200,000 | 2.48 | $20,184,000 | 30-Sep-09 | | WADDELL & REED ADVISORS FDS-SMALL CAP FUND | 1,001,300 | 2.07 | $13,998,174 | 30-Jun-09 | | Wells Fargo Advantage Small Cap Growth Fd | 742,172 | 1.53 | $12,483,333 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 710,017 | 1.47 | $11,942,485 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 672,971 | 1.39 | $10,222,429 | 31-Jul-09 | | HARTFORD GLOBAL HEALTH FUND | 606,000 | 1.25 | $9,205,140 | 31-Jul-09 | | HARTFORD SMALL COMPANY HLS FUND, INC. | 559,000 | 1.15 | $7,814,820 | 30-Jun-09 | | IVY SMALL CAP GROWTH FUND | 547,200 | 1.13 | $7,649,856 | 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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