Exhibit A
Transactions by Reporting Persons in the last 60 days.
Beneficial Ownership |
| Purchase or |
| Quantity |
| Transaction |
| Price per Share |
| How Effected |
| |
Relational Investors LLC |
| Sale |
| 8,285 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 11,739 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 1,518 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 10,177 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 954 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 51,977 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 16,664 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 12,599 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 13,499 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 1,069 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 45,588 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 11,563 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 13,759 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 1,298 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 61,613 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 31,149 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 17,031 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 18,249 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 1,453 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 40,751 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 14,053 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 9,568 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 897 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 28,206 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 36,329 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 11,845 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 6,620 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 6,072 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 1,005 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 8 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 1,679 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 157 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 5,014 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 6,313 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 2,079 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 1,314 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 913 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 176 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 166 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 170 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 16 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 450 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 703 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 198 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 13 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 103 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,488 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 139 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 4,500 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 5,539 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,842 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,301 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 673 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 156 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 293 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 1,777 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 166 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 5,239 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 6,747 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 2,200 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 1,230 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 1,127 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 186 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 3 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 913 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 85 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 2,273 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 3,888 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 747 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 383 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 216 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 1,602 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 150 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 4,850 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 5,959 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 1,984 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 1,412 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 713 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 168 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 328 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 2,245 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 210 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 6,784 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 8,361 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 2,780 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 1,950 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 1,028 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 235 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 429 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,168 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 203 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 5,420 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 9,203 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 1,836 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 848 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 579 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 22,045 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 31,235 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 4,039 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 255 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 23 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 849 |
| 6/11/2015 |
| $ | 1.38 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 872 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 315 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 338 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 26 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 46 |
| 6/11/2015 |
| $ | 1.39 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 206 |
| 6/11/2015 |
| $ | 1.37 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 41,008 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 46,586 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 11,305 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 19,094 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 19,094 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 117,925 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 19,094 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 79,255 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 85,383 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 15,283 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 25,809 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 25,809 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 159,356 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 25,809 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 42,003 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 97,524 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 10,629 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 17,952 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 17,952 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 47,345 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 16,953 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 1,865 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 3,151 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 3,151 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 8,785 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 123 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 17 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 1,742 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 189 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 320 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 320 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 439 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 14,880 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,653 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 2,792 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 2,792 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 8,210 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 18,112 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 1,974 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 3,334 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 3,334 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 8,796 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 995 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 95 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 9,311 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,014 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,714 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,714 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,347 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 16,008 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 1,780 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 3,006 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 3,006 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 8,878 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 22,461 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 2,494 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 4,213 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 4,213 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 12,349 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,297 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 227 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 22,100 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 1,686 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 722 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 4,067 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 4,067 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 3,397 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 109,111 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 2,350 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 283 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 478 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 478 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 1,992 |
| 6/12/2015 |
| $ | 1.28 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 7,450 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 691 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 17,318 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 30,409 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 26,338 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 5,267 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 70,550 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 60,376 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 984 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 68,942 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 6,403 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 30,842 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 129,409 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 34,773 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 3,227 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 25,526 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 17,952 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 37,353 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 6,159 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 571 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 3,945 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 3,151 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 7,222 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 572 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 53 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 917 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 320 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 93 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 5,509 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 511 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 3,018 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 2,792 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 6,997 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 6,458 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 599 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 4,740 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 3,334 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 6,939 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 2,941 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 273 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 6,024 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 813 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 5,936 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 551 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 3,205 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 3,006 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 7,589 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 8,308 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 771 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 4,592 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 4,213 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 10,507 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 7,006 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 650 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 6,533 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 7,537 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,215 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 19,823 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 1,839 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 46,079 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 966 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 48 |
| 6/15/2015 |
| $ | 1.29 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 94 |
| 6/15/2015 |
| $ | 1.26 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 336 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 2,021 |
| 6/15/2015 |
| $ | 1.27 |
| Open Market |
|
