YLO - Short Interest Plummets

Short position

Date

Short Interest % Change

Feb 29, 2012 7,131,340 -35.99

Feb 15, 2012 11,140,608 -68.16

Jan 31, 2012 34,994,677 -22.30

Jan 13, 2012 45,039,759 -0.32

Dec 30, 2011 45,184,354 -3.46

Dec 15, 2011 46,805,049 -1.30

Nov 30, 2011 47,420,527 0.00