Exhibit A
Transactions by Reporting Persons in the last 60 days not previously reported.
Beneficial Ownership |
| Purchase or |
| Quantity |
| Transaction |
| Price per Share |
| How Effected |
| |
Relational Investors LLC |
| Sale |
| 5,548 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 892 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 42,261 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 6,798 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 51,344 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 8,265 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 25,896 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 4,165 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 4,587 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 737 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 426 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 68 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 4,103 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 660 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 4,810 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 773 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 2,190 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 352 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 4,421 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 711 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 6,187 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 995 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 5,217 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 839 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 14,762 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 2,374 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 755 |
| 7/20/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 121 |
| 7/20/2015 |
| $ | 1.14 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 14,474 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 14,474 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 110,242 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 110,242 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 133,923 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 133,923 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 67,554 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 67,554 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 11,967 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 11,967 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 1,112 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 1,112 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 10,704 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 10,704 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 12,547 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 12,547 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 5,714 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 5,714 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 11,533 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 11,533 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 16,140 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 16,140 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 13,610 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 13,610 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 38,510 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 38,510 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 1,970 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 1,970 |
| 7/21/2015 |
| $ | 1.18 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 18,598 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 3,188 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 141,656 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 24,284 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 172,080 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 29,505 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 86,804 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 14,881 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 15,377 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 2,636 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 1,429 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 245 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 13,754 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 2,358 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 16,123 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 2,764 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 7,343 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,258 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 14,821 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 2,540 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 20,739 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 3,555 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 17,490 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,998 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 49,484 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 8,483 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 2,532 |
| 7/22/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 434 |
| 7/22/2015 |
| $ | 1.16 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 2,601 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 19,812 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 24,071 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 12,140 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 2,150 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 200 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,923 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 2,255 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,027 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 2,073 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 2,900 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,446 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 6,921 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 354 |
| 7/23/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 2,820 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 21,482 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 26,099 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 13,163 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 2,332 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 216 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 2,085 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 2,445 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,113 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 2,247 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 3,145 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,652 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 7,504 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 384 |
| 7/24/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 7,757 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 59,079 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 71,766 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 36,203 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 6,413 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 596 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 5,736 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 6,724 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 3,063 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 6,181 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 8,650 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 7,294 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 20,638 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 1,056 |
| 7/29/2015 |
| $ | 1.15 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 18,172 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 2,686 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 138,398 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors Mid-Cap Fund I, L.P. |
| Sale |
| 20,461 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 168,090 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors Mid-Cap Fund II, L.P. |
| Sale |
| 24,851 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 84,808 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 12,538 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 15,025 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Coast Partners, L.P. |
| Sale |
| 2,222 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 1,398 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Fund Partners, L.P. |
| Sale |
| 207 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 13,439 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
RH Fund 1, L.P. |
| Sale |
| 1,988 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 15,753 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors XV, L.P. |
| Sale |
| 2,330 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 7,176 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors XVI, L.P. |
| Sale |
| 1,062 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 14,481 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors XX, L.P. |
| Sale |
| 2,142 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 20,264 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors XXIII, L.P. |
| Sale |
| 2,996 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 17,089 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors IX, L.P. |
| Sale |
| 2,526 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 48,347 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors LLC |
| Sale |
| 7,147 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 2,474 |
| 7/30/2015 |
| $ | 1.04 |
| Open Market |
|
Relational Investors XXIV, L.P. |
| Sale |
| 366 |
| 7/30/2015 |
| $ | 0.99 |
| Open Market |
|
