Settlement Date

Short Interest

Avg Daily Share Volume

Days To Cover

9/30/2011

1,990,786

359,619

5.535820

9/15/2011

1,830,617

441,253

4.148679

8/31/2011

991,215

124,962

7.932131

8/15/2011

860,375

137,570

6.254089

7/29/2011

834,621

94,692

8.814060

7/15/2011

859,750

87,803

9.791807

6/30/2011

937,458

288,612

3.248160

6/15/2011

303,733

92,183

3.294892

5/31/2011

295,818

58,204

5.082434

5/13/2011

280,024

95,175

2.942201

4/29/2011

228,215

131,891

1.730330

4/15/2011

234,171

168,692

1.388157

3/31/2011

212,865

95,783

2.222367

3/15/2011

157,378

75,379

2.087823

2/28/2011

160,339

68,124

2.353635

2/15/2011

151,310

58,708

2.577332

1/31/2011

108,875

87,872

1.239018