Earnings Releases

November 20, 2008: 2nd Quarter, Fiscal 2009, Ended October 25, 2008

August 21, 2008: 1st Quarter, Fiscal 2009, Ended July 26, 2008

May 22, 2008: 4th Quarter & Fiscal 2008, Ended April 26, 2008

February 21, 2008: 3rd Quarter, Fiscal 2008, Ended January 26, 2008

Corporate Developments

October 06, 2008:Patterson Companies Acquires Leading, Value-Added Distributor Of Companion-Pet Veterinary Products

April 09, 2008: PTPN Selects Patterson Medical’s PTOS Documentation and Scheduling Software As Preferred Solution

April 01, 2008: Patterson Companies Announces Acquisitions Of Dental and Veterinary Distributors

March 24, 2008 Patterson Announces Capital Restructuring And Accelerated Share Repurchase

December 24 , 2007: Patterson Companies Announces Expanded Share Repurchase Plan

Conference Remarks

November 20, 2008: 2Q/Fiscal 2009 Earnings Conference Remarks

August 21, 2008: 1Q/Fiscal 2009 Earnings Conference Remarks WebCast Archive

May 22, 2008: 4th Quarter & Fiscal 2008 Earnings Conference Remarks WebCast Archive

February 21, 2008: 3Q/Fiscal 2008 Earnings Conference Remarks WebCast Archive

Conference Announcements

November 12, 2008: Patterson announces date and time of 2Q/Fiscal 2009 Earnings Conference

August 07, 2008: Patterson announces date and time of 1Q/Fiscal 2009 Earnings Conference

May 12, 2008: Patterson announces date and time of 4Q/Fiscal 2008 Earnings Conference

February 12, 2008: Patterson announces date and time of 3Q/Fiscal 2008 Earnings Conference