Settlement Date

Short Interest

Avg Daily Share Volume

Days To Cover

5/15/2013

5,136,273

237,389

21.636525

4/30/2013

5,144,504

381,261

13.493392

4/15/2013

5,085,609

352,166

14.440943

3/28/2013

4,916,472

226,296

21.725846

3/15/2013

4,744,330

495,376

9.577230

2/28/2013

4,627,323

363,453

12.731558

2/15/2013

4,302,606

426,709

10.083232

1/31/2013

4,229,427

410,198

10.310696

1/15/2013

4,310,919

258,005

16.708665

12/31/2012

4,375,216

400,818

10.915717