| ABN AMRO Asset Management |
| AIC Investment Services |
| Absolute Investment Advisers |
| Acadian Asset Management |
| Acuity Investment Management |
| Addenda Capital |
| AEGON USA Investment Management LLC |
| AG Asset Management, LLC |
| AGF Institutional |
| Agincourt Capital Management |
| Aletheia Research & Management Inc. |
| Allegiant Asset Management |
| AllianceBernstein Institutional Invt Mgmt |
| AmSouth Asset Management, Inc. |
| Analytic Investors |
| Arbor Capital |
| Ardmore Partners |
| Argent Capital Management |
| Ark Asset Management |
| Aronson+Johnson+Ortiz, LP |
| Aquiline Holdings |
| Arrowstreet Capital, L.P. |
| Artisan Partners Limited Partnership |
| Atalanta Sosnoff Capital, LLC |
| Atlanta Capital Management, LLC |
| Atlantic Asset Management |
| Augustus Asset Managers (United Kingdom) |
| AXA Investment Managers North America, Inc. |
| AXA Rosenberg Investment Management |
| Baillie Gifford Overseas Limited |
| Barclays Global Investors N.A. |
| Baring Asset Management |
| Barrow, Hanley, Mewhinney & Strauss, Inc. |
| Batterymarch Financial Management |
| Bear Stearns Asset Management |
| Berkeley Capital Management LLC |
| Bernzott Capital Advisors |
| Biscayne Advisors, Inc. |
| Bivium Capital Partners |
| BlackRock |
| Boston Advisors |
| Boston Common Asset Management |
| The Boston Company Asset Management LLC |
| Bridgeway Capital Management |
| Calamos Asset Management |
| Cambiar Investors, LLC |
| Camden Asset Management |
| Chartwell Investment Partners |
| Chicago Equity Partners |
| Christian Brothers Investment Services, Inc. |
| Christiana Bank & Trust Company |
| City of London Investment Group |
| Clay Finlay Inc. |
| Cohen & Steers Capital Management |
| Community Capital Management, Inc. |
| Connor, Clark & Lunn Financial Group |
| Cooke & Bieler, L.P. |
| Co-operators Investment |
| Cramer Rosenthal McGlynn, LLC |
| Crawford Investment Counsel |
| Credit Suisse Asset Management |
| Davis Advisors |
| Declaration Management & Research |
| Delaware Investments |
| Denali Advisors LLC |
| Denver Investment Advisors LLC |
| DeRoy & Devereaux Private Investment Counsel, Inc. |
| Desjardins Global Asset Management |
| Dimensional Fund Advisors |
| Dorchester Capital Advisers |
| Driehaus Capital Management, Inc. |
| DuPont Capital Management Corporation |
| Dwight Asset Management Company LLC |
| DWS Scudder Distributors |
| EVA Advisors LLC |
| Eagle Global Advisors |
| Eaton Vance Management |
| Epoch Investment Partners, Inc. |
| Evercore Asset Management, LLC |
| Evergreen Investments |
| F&C Management Limited |
| FAF Advisors, Inc. |
| Fiduciary Management Inc. of Milwaukee |
| First Quadrant, L.P. |
| Fischer, Francis, Trees & Watts |
| Franklin Portfolio Associates |
| Fred Alger Management, Inc. |
| Frontier Capital Management |
| Fort Washington Investment Advisors |
| Fortis Investments |
| Fuller & Thaler Asset Management, Inc. |
| Galliard Capital Management, Inc. |
| Gannett, Welsh & Kotler LLC |
| Gartmore Group |
| Gartmore Investment Management Ltd. |
| Geode Capital Management Inc. |
| Glenmede Investment Management |
| GLOBALT Investments |
| HSBC Asset Management (Americas) Inc. |
| Hansberger Global Investors |
| Harding, Loevner Management, L.P. |
| Harris Associates |
| Harbor Fund |
| Harris Investment Management, Inc. |
| Hartford Investment Management Company |
| Hartford Life Insurance Company |
| Henderson Global Investors (North America) Inc. |
| Hillsdale Investment Management, Inc. |
| Hillswick Asset Management, LLC |
| Holland Capital Management, L.P. |
| Howson Tattersall Investment Counsel |
| Independence Investment, LLC |
| ING Clarion Real Estate Securities |
| Institutional Capital Corporation |
| Integra Capital |
| Integrity Asset Management, LLC |
| INVESCO Institutional |
| Investec Asset Management U.S. Limited |
| IXIS AM Global Associates |
| JP Morgan Asset Management |
| Janus Capital Management |
| Jarislowsky, Fraser Limited |
| Jensen Investment Management |
| Johnson Investment Counsel |
| Julius Baer Investment Management LLC |
| Kalmar Investments Inc. |
| Lazard Asset Management |
| Lee Munder Investments Ltd. |
| Leith Wheeler |
| Logan Circle Partners, L.P. |
| Loomis Sayles & Company, L.P. |
| Lord Abbett & Company, LLC |
| Lotsoff Capital Management |
| LSV Asset Management |
| M&I Investment Management |
| MBIA Capital Management |
| Madison Investment Advisors |
| Manning & Napier Advisors, Inc. |
| Martin Currie Inc. |
| Mazama Capital Management, Inc. |
| McKinley Capital Management, Inc. |
| McMorgan & Company |
| Mellon Capital Management Corporation |
| Mellon Equity Associates, LLP |
| Mellon Institutional Asset Management |
| Mercator Asset Management |
| Merganser Capital Management LP |
| Metropolitan West Asset Management |
| Mondrian Investment Partners (U.S.) Inc. |
| Moody Aldrich Partners |
| NCM Capital Management Group |
| National Investment Services |
| Nicholas Investment Partners |
| Nicholas-Applegate Capital Management |
| Nomura Asset Management U.S.A. Inc./a> |
| NorthPointe Capital |
| Northstar Capital Management, Inc. |
| Numeric Investors L.P. |
| Nuveen Investments |
| O'Shaughnessy Asset Management |
| OFI Institutional Asset |
| Oberweis Asset Management |
| Old Mutual Asset Management |
| Optimum Investment Advisors |
| Oppenheimer Capital |
| Pacific Investment Management Co. |
| Palisade Capital Management |
| Panagora Asset Management, Inc. |
| Peregrine Capital Management |
| Perimeter Capital Management |
| Phillips, Hager & North |
| Pictet International Management Limited |
| Pier 21 Asset Management, Inc. |
| Pioneer Investment Management |
| Progress Investment Management Company |
| Provident Investment Counsel |
| Prudential Investment Management |
| Pyramis Global Advisors Holding Corp. |
| Putnam Investments |
| Pzena Investment Management |
| Quest Investment Management |
| Quotient Investors, LLC |
| RCM Capital Management LLC |
| Rainier Investment |
| Reams Asset Management Company |
| Relational Investors |
| Research Affiliates, LLC |
| Rigel Capital Management |
| River Road Asset Management |
| Robeco Investment Management |
| Rothschild Asset Management |
| Seix Advisors |
| Sentinel Investments |
| Schroders Investment Management North America |
| Scotsman Capital Management |
| Skyline Asset Management, L.P. |
| Smith Graham & Co., Investment Advisors, L.P. |
| Sovereign Asset Management |
| Sparta Asset Management |
| SSI Investment Management Inc. |
| SSQ Financial Group (Canada) |
| STW Fixed Income |
| Standard Life Investments Inc. (Canada) |
| Standish Mellon Asset Management, LLC |
| State Street Global Advisors |
| Stoneridge Investment Partners |
| Systematic Financial Management, L.P. |
| T. Rowe Price Associates |
| TAL Global Asset Management Inc. |
| TCW Group |
| TD Asset Management Inc. |
| Ten Asset Management Inc. |
| Thomas Weisel Partners |
| Thomas White International, Ltd. |
| Thompson, Siegel & Walmsley Investment Counsel |
| TIAA-CREF Investment Management, LLC |
| Timesquare Capital Management, LLC |
| Todd Investment Advisors |
| Transamerica Investment Management |
| Trusco Capital Management |
| Turner Investment Partners |
| Twenty-First Century Investments Inc. |
| UBS Asset Management |
| the Vanguard Group |
| Victory Capital Management |
| Veredus Asset Management LLC |
| Voyageur Asset Management, Inc. |
| Wasatch Advisors, Inc. |
| WEDGE Capital Management |
| Wells Capital Management |
| Wells Fargo Funds Management LLC |
| Westridge Capital Management, Inc. |
| Westwood Management Corp. |
| Wilkinson O'Grady & Co., Inc. |
| William Blair & Company |
| Winslow Asset Management |
| Winslow Capital Management |
| WisdomTree Asset Management |