Stock Split Calendar for May 2011

April 2011| May 2011 |June 2011
Payable Ex Date Company Ticker Optionable Ratio Announced
May 05 May 06 Merit Medical Systems Inc MMSI optionable 5-4 Apr 21
May 11 May 12 Arch Capital ACGL optionable 3-1 May 09
May 17 May 18 Herbalife Ltd HLF optionable 2-1 Feb 22
May 18 May 19 3D Systems TDSC optionable 2-1 Apr 28
May 20 May 21 Alexion Pharmaceuticals Inc ALXN optionable 2-1 Mar 30
May 20 May 23 Fastenal Co FAST optionable 2-1 Apr 19
May 20 May 23 Kronos Worldwide Inc KRO 2-1 Apr 26
May 20 May 23 Molina Healthcare Inc MOH optionable 3-2 Apr 27
May 31 Jun 01 Enbridge Inc ENB optionable 2-1 Feb 22
May 31 Jun 01 Lincoln Electric LECO optionable 2-1 Apr 29
May 31 Jun 01 STEVEN MADDEN Ltd SHOO optionable 3-2 May 05
May 31 Jun 01 United Stationers USTR optionable 2-1 Mar 01