| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 04/21/2017 | EDMISTON JAMES A | President & CEO | Exercise | Common Stock, $.01 par value per share | 250k | $4.52 | $1.1M | | 04/21/2017 |
| 04/21/2017 | EDMISTON JAMES A | President & CEO | Exercise (in-the-money or at-the-money) | Stock Options | 250k | $4.52 | $1.1M | | 04/21/2017 |
| 04/18/2017 | HEAD KEITH L | Vice President | Exercise | Common Stock, $.01 par value per share | 116.1k | $4.52 | $524.9k | | 04/18/2017 |
| 04/18/2017 | HEAD KEITH L | Vice President | Payment of Exercise | Common Stock, $.01 par value per share | 87.8k | $6.81 | $597.7k | | 04/18/2017 |
| 04/18/2017 | HEAD KEITH L | Vice President | Exercise (in-the-money or at-the-money) | Stock Options | 116.1k | $4.52 | $524.9k | | 04/18/2017 |
| 04/10/2017 | HEAD KEITH L | Vice President | Disposition | Common Stock, $.01 par value per share | 25.6k | $7.15 | $183.2k | | 04/10/2017 |
| 04/10/2017 | HEAD KEITH L | Vice President | Exercise | Stock Appreciation Right | 25.6k | $4.52 | $115.8k | | 04/10/2017 |
| 04/10/2017 | EDMISTON JAMES A | President & CEO | Disposition | Common Stock, $.01 par value per share | 220.5k | $7.15 | $1.6M | | 04/10/2017 |
| 04/10/2017 | EDMISTON JAMES A | President & CEO | Exercise | Stock Appreciation Right | 220.5k | $4.52 | $996.7k | | 04/10/2017 |
| 03/09/2017 | Haynes Stephen C | CFO | Exercise (in-the-money or at-the-money) | Stock Options | 128.8k | $4.52 | $582.3k | | 03/08/2017 |
| 03/08/2017 | Haynes Stephen C | CFO | Exercise | Common Stock, $.01 par value per share | 128.8k | $4.52 | $582.3k | | 03/08/2017 |
| 03/08/2017 | Haynes Stephen C | CFO | Payment of Exercise | Common Stock, $.01 par value per share | 98.7k | $6.67 | $657.9k | | 03/08/2017 |
| 03/08/2017 | Speirs Robert | Senior Vice President | Exercise | Common Stock, $.01 par value per share | 151.8k | $4.52 | $686k | | 03/08/2017 |
| 03/08/2017 | Speirs Robert | Senior Vice President | Payment of Exercise | Common Stock, $.01 par value per share | 100.7k | $6.81 | $686k | | 03/08/2017 |
| 03/08/2017 | Speirs Robert | Senior Vice President | Exercise (in-the-money or at-the-money) | Stock Options | 151.8k | $4.52 | $686k | | 03/08/2017 |
| 03/08/2017 | NESSELRODE KARL L | VP Engineering & Business Dev | Disposition | Common Stock, $.01 par value per share | 26.1k | $6.78 | $177.3k | | 03/08/2017 |
| 03/08/2017 | NESSELRODE KARL L | VP Engineering & Business Dev | Payment of Exercise | Common Stock, $.01 par value per share | 89.6k | $6.81 | $610.4k | | 03/08/2017 |
| 03/08/2017 | NESSELRODE KARL L | VP Engineering & Business Dev | Exercise (in-the-money or at-the-money) | Stock Options | 118.6k | $4.52 | $536.1k | | 03/08/2017 |
| 03/08/2017 | NESSELRODE KARL L | VP Engineering & Business Dev | Exercise | Stock Appreciation Right | 26.1k | $4.52 | $118.2k | | 03/08/2017 |
| 03/03/2017 | Speirs Robert | Senior Vice President | Disposition | Common Stock, $.01 par value per share | 33.5k | $6.74 | $225.6k | | 03/03/2017 |
| 03/03/2017 | Speirs Robert | Senior Vice President | Exercise | Stock Appreciation Right | 33.5k | $4.52 | $151.3k | | 03/03/2017 |
| 03/02/2017 | Haynes Stephen C | CFO | Disposition | Common Stock, $.01 par value per share | 28.4k | $6.67 | $189.5k | | 03/02/2017 |
| 03/02/2017 | Haynes Stephen C | CFO | Exercise | Stock Appreciation Right | 28.4k | $4.52 | $128.4k | | 03/02/2017 |
| 10/07/2016 | Haynes Stephen C | CFO | Disposition | Common Stock, $.01 par value per share | 66k | $0.91 | $60.1k | | 10/07/2016 |
| 10/07/2016 | Haynes Stephen C | CFO | Exercise | Phantom Stock | 233k | $0.00 | $0 | | 10/07/2016 |
| 10/07/2016 | Speirs Robert | Senior Vice President | Disposition | Common Stock, $.01 par value per share | 78k | $0.91 | $71k | | 10/07/2016 |
| 10/07/2016 | Speirs Robert | Senior Vice President | Exercise | Phantom Stock | 275k | $0.00 | $0 | | 10/07/2016 |
| 10/07/2016 | HEAD KEITH L | Vice President | Disposition | Common Stock, $.01 par value per share | 60k | $0.91 | $54.6k | | 10/07/2016 |
| 10/07/2016 | HEAD KEITH L | Vice President | Payment of Exercise | Common Stock, $.01 par value per share | 41.3k | $0.91 | $37.6k | | 10/07/2016 |
| 10/07/2016 | HEAD KEITH L | Vice President | Exercise | Phantom Stock | 211k | $0.00 | $0 | | 10/07/2016 |
| 10/07/2016 | CT Energy Holding SRL | 10% Owner | Disposition | Warrant | 34.1M | $0.00 | $0 | | 10/07/2016 |
| 10/07/2016 | CT Energy Holding SRL | 10% Owner | Disposition | Common Stock, $.01 par value per share | 8.7M | $0.00 | $0 | | 10/07/2016 |
| 10/07/2016 | Cisneros Fajardo Oswaldo J | 10% Owner | Disposition | Common Stock, $.01 par value per share | 8.7M | $0.00 | $0 | by CT Energy Holding SRL | 10/07/2016 |
| 10/07/2016 | Cisneros Fajardo Oswaldo J | 10% Owner | Disposition | Warrant | 34.1M | $0.00 | $0 | by CT Energy Holding SRL | 10/07/2016 |
| 10/07/2016 | Leal Edgard | Director | Disposition | Common Stock, $.01 par value per share | 93k | $0.91 | $84.7k | | 10/07/2016 |
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