Risk: The VWAP conversion cost over the last 6 weeks. 4/27/2012 0.01203 4/26/2012 0.01277 4/25/2012 0.01430 4/24/2012 0.02696 4/23/2012 0.02708 4/20/2012 0.02714 4/19/2012 0.02717 4/18/2012 0.02726 4/17/2012 0.02726 4/16/2012 0.02729 4/13/2012 0.02736 4/12/2012 0.02736 4/11/2012 0.02740 4/10/2012 0.02737 4/9/2012 0.02730 4/5/2012 0.02733 4/4/2012 0.02739 4/3/2012 0.02732 4/2/2012 0.02722 3/30/2012 0.02717 3/29/2012 0.02710 3/28/2012 0.02685 3/27/2012 0.02643 3/26/2012 0.02557 3/23/2012 0.02531 3/22/2012 0.02496 3/21/2012 0.02384 3/20/2012 0.02615 3/19/2012 0.02559 3/16/2012 0.02386