| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Payment of Exercise | common stock | 437.3k | $5.75 | $2.5M | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | common stock | 4.1M | $5.75 | $23.5M | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | stock option (right to buy) | 80k | $3.91 | $312.8k | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | stock option (right to buy) | 80k | $2.73 | $218.4k | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | stock option (right to buy) | 60k | $4.00 | $240k | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | stock option (right to buy) | 30k | $5.45 | $163.5k | | 02/28/2017 |
| 02/28/2017 | COWAN RORY J | Director, CEO, President | Disposition | stock option (right to buy) | 30k | $5.05 | $151.5k | | 02/28/2017 |
| 02/28/2017 | Litz Marc E | CFO | Payment of Exercise | common stock | 37.1k | $5.75 | $213.5k | | 02/28/2017 |
| 02/28/2017 | Litz Marc E | CFO | Disposition | common stock | 105.5k | $5.75 | $606.5k | | 02/28/2017 |
| 02/28/2017 | Tobin Richard Patrick | SVP and GM for GLT Operations | Payment of Exercise | common stock | 73.8k | $5.75 | $424.6k | | 02/28/2017 |
| 02/28/2017 | Tobin Richard Patrick | SVP and GM for GLT Operations | Disposition | common stock | 262.9k | $5.75 | $1.5M | | 02/28/2017 |
| 02/28/2017 | Tobin Richard Patrick | SVP and GM for GLT Operations | Disposition | stock option (right to buy) | 20k | $3.59 | $71.8k | | 02/28/2017 |
| 02/28/2017 | Tobin Richard Patrick | SVP and GM for GLT Operations | Disposition | stock option (right to buy) | 8.5k | $5.45 | $46.3k | | 02/28/2017 |
| 02/28/2017 | Tobin Richard Patrick | SVP and GM for GLT Operations | Disposition | stock option (right to buy) | 10k | $5.05 | $50.5k | | 02/28/2017 |
| 02/28/2017 | BLECHSCHMIDT EDWARD A | Director | Disposition | common stock | 82.5k | $5.75 | $474.4k | | 02/28/2017 |
| 02/28/2017 | BLECHSCHMIDT EDWARD A | Director | Disposition | stock option (right to buy) | 6k | $5.56 | $33.5k | | 02/28/2017 |
| 02/28/2017 | BLECHSCHMIDT EDWARD A | Director | Disposition | stock option (right to buy) | 8.2k | $4.93 | $40.4k | | 02/28/2017 |
| 02/28/2017 | BLECHSCHMIDT EDWARD A | Director | Disposition | restricted stock units | 78.5k | $0.00 | $0 | | 02/28/2017 |
| 02/28/2017 | BLECHSCHMIDT EDWARD A | Director | Disposition | restricted stock units | 7.1k | $0.00 | $0 | | 02/28/2017 |
| 02/28/2017 | Dallas Michael Glen | Director | Disposition | common stock | 11.4k | $5.75 | $65.5k | | 02/28/2017 |
| 02/28/2017 | Dallas Michael Glen | Director | Disposition | stock option (right to buy) | 20k | $4.53 | $90.6k | | 02/28/2017 |
| 02/28/2017 | Dallas Michael Glen | Director | Disposition | stock option (right to buy) | 6k | $5.56 | $33.5k | | 02/28/2017 |
| 02/28/2017 | Dallas Michael Glen | Director | Disposition | stock option (right to buy) | 8.2k | $4.93 | $40.4k | | 02/28/2017 |
| 02/28/2017 | Dallas Michael Glen | Director | Disposition | restricted stock units | 7.1k | $0.00 | $0 | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Payment of Exercise | common stock | 62k | $5.75 | $356.6k | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | common stock | 399.8k | $5.75 | $2.3M | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | stock option (right to buy) | 20k | $3.91 | $78.2k | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | stock option (right to buy) | 24k | $2.73 | $65.5k | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | stock option (right to buy) | 20k | $4.00 | $80k | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | stock option (right to buy) | 17k | $5.45 | $92.6k | | 02/28/2017 |
| 02/28/2017 | Osofsky Marc | SVP and General Manager | Disposition | stock option (right to buy) | 10k | $5.05 | $50.5k | | 02/28/2017 |
| 02/28/2017 | DE CHAZAL GUY L | Director | Disposition | common stock | 313.2k | $5.75 | $1.8M | | 02/28/2017 |
| 02/28/2017 | DE CHAZAL GUY L | Director | Disposition | stock option (right to buy) | 10k | $2.67 | $26.7k | | 02/28/2017 |
| 02/28/2017 | DE CHAZAL GUY L | Director | Disposition | stock option (right to buy) | 10k | $3.36 | $33.6k | | 02/28/2017 |
| 02/28/2017 | DE CHAZAL GUY L | Director | Disposition | stock option (right to buy) | 6k | $5.56 | $33.5k | | 02/28/2017 |
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