Stock Split Calendar for May 2008

April 2008| May 2008 |June 2008
Payable Ex Date Company Ticker Optionable Ratio Announced
May 07 May 08 Petroleo Brasileiro ADR Reptg 2 Ord Shs PBR optionable 2-1 Mar 26
May 14 May 27 Suncor Energy Inc SU optionable 2-1 Feb 27
May 15 May 16 Cliffs Natural Resources Inc CLF optionable 2-1 Mar 11
May 23 May 27 Weatherford International Ltd WFT optionable 2-1 Apr 21
May 26 May 27 Bucyrus BUCY optionable 2-1 Apr 30
May 27 May 28 Invitrogen IVGN optionable 2-1 Apr 30
May 28 May 29 Union Pacific Corp UNP optionable 2-1 May 01
May 30 Jun 02 Atlas America ATLS optionable 3-2 Apr 23
May 30 Jun 02 Inter Parfums IPAR 3-2 May 07