| Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| AMBURY RICHARD | Chief Financial Officer | May 23, 2022 |
Buy | $9.24 | 5,000 | 46,200 | 43,390 | May 24, 2022, 01:43 PM |
| Woosnam Jeffrey M | President and CEO | May 23, 2022 |
Buy | $9.22 | 5,000 | 46,100 | 15,000 | May 24, 2022, 01:42 PM |
| LAWRENCE BRYAN H | Director | Dec 30, 2021 |
Option Exercise | $10.55 | 413,223 | 4,359,503 | 427,734 | Dec 30, 2021, 06:49 PM |
| Donovan Daniel P. | Director | May 18, 2020 |
Buy | $7.58 | 997 | 7,557 | 25,000 | May 18, 2020, 05:23 PM |
| Donovan Daniel P. | Director | May 15, 2020 |
Buy | $7.36 | 1,453 | 10,694 | 24,003 | May 18, 2020, 05:23 PM |
| AMBURY RICHARD | Chief Financial Officer | May 14, 2020 |
Buy | $7.32 | 2,000 | 14,640 | 38,390 | May 14, 2020, 04:32 PM |
| Woosnam Jeffrey M | President and CEO | May 13, 2020 |
Buy | $7.64 | 2,000 | 15,280 | 10,000 | May 13, 2020, 05:35 PM |
| Vermylen Paul A Jr | Director | May 12, 2020 |
Buy | $7.86 | 20,000 | 157,200 | 250,000 | May 13, 2020, 08:31 AM |
| Donovan Daniel P. | Director | May 12, 2020 |
Buy | $7.88 | 2,550 | 20,094 | 22,550 | May 13, 2020, 08:30 AM |
| Donovan Daniel P. | Director | May 11, 2020 |
Buy | $7.74 | 4,100 | 31,734 | 20,000 | May 13, 2020, 08:30 AM |
| McDonald Joseph R | Chief Customer Officer | May 07, 2020 |
Buy | $7.67 | 1,000 | 7,670 | 6,500 | May 08, 2020, 02:34 PM |
| Vermylen Paul A Jr | Director | Feb 18, 2020 |
Buy | $8.94 | 10,149 | 90,732 | 230,000 | Feb 20, 2020, 02:16 PM |
| Woosnam Jeffrey M | President and CEO | Feb 14, 2020 |
Buy | $9.00 | 8,000 | 72,000 | 8,000 | Feb 18, 2020, 08:30 AM |
| Hammond Jeffrey S | Chief Operating Officer | Feb 13, 2020 |
Buy | $9.11 | 5,000 | 45,530 | 5,000 | Feb 14, 2020, 05:00 PM |
| AMBURY RICHARD | Chief Financial Officer | Feb 11, 2020 |
Buy | $9.21 | 3,500 | 32,235 | 36,390 | Feb 13, 2020, 02:14 PM |
| McDonald Joseph R | Chief Customer Officer | Feb 11, 2020 |
Buy | $9.10 | 1,000 | 9,100 | 5,500 | Feb 13, 2020, 02:11 PM |
| Goldman Steven Jay | President and CEO | Aug 16, 2018 |
Buy | $9.38 | 3,000 | 28,132 | 38,500 | Aug 16, 2018, 04:31 PM |
| AMBURY RICHARD | CFO | Aug 16, 2018 |
Buy | $9.42 | 4,000 | 37,680 | 32,890 | Aug 16, 2018, 04:30 PM |
| AMBURY RICHARD | CFO | Aug 14, 2018 |
Buy | $9.40 | 5,000 | 46,989 | 28,890 | Aug 15, 2018, 01:30 PM |
| Goldman Steven Jay | President and CEO | Aug 14, 2018 |
Buy | $9.49 | 10,600 | 100,549 | 35,500 | Aug 15, 2018, 01:30 PM |
| LAWRENCE BRYAN H | Director | Dec 27, 2016 |
Option Exercise | $11.18 | 375,208 | 4,194,826 | 375,208 | Dec 29, 2016, 06:15 PM |
| Vermylen Paul A Jr | Director | Dec 27, 2016 |
Option Exercise | $11.18 | 19,851 | 221,934 | 219,851 | Dec 29, 2016, 04:40 PM |
| AMBURY RICHARD | CFO | May 12, 2016 |
Buy | $8.75 | 2,000 | 17,498 | 23,890 | May 12, 2016, 12:35 PM |
| Goldman Steven Jay | PRESIDENT AND CEO | May 12, 2016 |
Buy | $8.75 | 2,200 | 19,259 | 24,900 | May 12, 2016, 12:18 PM |
| Goldman Steven Jay | President and CEO | May 21, 2014 |
Buy | $6.09 | 1,200 | 7,310 | 22,700 | May 21, 2014, 05:09 PM |
| Goldman Steven Jay | President and CEO | Feb 10, 2014 |
Buy | $5.60 | 2,000 | 11,200 | 21,500 | Feb 10, 2014, 05:41 PM |
| Goldman Steven Jay | COO and Executive VP | Aug 19, 2013 |
Buy | $4.80 | 7,500 | 36,005 | 19,500 | Aug 19, 2013, 05:31 PM |
| Goldman Steven Jay | Executive Vice President | May 31, 2013 |
Buy | $4.85 | 4,000 | 19,384 | 12,000 | Jun 03, 2013, 12:22 PM |
| Goldman Steven Jay | Senior VP of Operations | May 31, 2013 |
Buy | $4.85 | 4,000 | 19,384 | 12,000 | May 31, 2013, 06:46 PM |
| Goldman Steven Jay | Executive Vice President | May 31, 2013 |
Buy | $4.85 | 4,000 | 19,384 | 12,000 | May 31, 2013, 11:34 AM |
| Bandera Partners LLC | 10% Owner | Jun 25, 2012 |
Buy | $4.00 | 40,600 | 162,201 | 6,144,127 | Jun 25, 2012, 07:38 PM |
| Bandera Partners LLC | 10% Owner | Jun 22, 2012 |
Buy | $4.00 | 20,000 | 80,000 | 6,103,527 | Jun 25, 2012, 07:38 PM |
| Bandera Partners LLC | 10% Owner | Jun 21, 2012 |
Buy | $4.00 | 25,000 | 100,000 | 6,083,527 | Jun 25, 2012, 07:38 PM |
| Bandera Partners LLC | 10% Owner | Jun 15, 2012 |
Option Exercise | $4.00 | 100 | 400 | 6,053,527 | Jun 20, 2012, 05:20 PM |
| Bandera Partners LLC | 10% Owner | Jun 19, 2012 |
Buy | $4.00 | 100 | 400 | 6,058,527 | Jun 20, 2012, 05:20 PM |
| Bandera Partners LLC | 10% Owner | Jun 18, 2012 |
Buy | $4.00 | 4,900 | 19,600 | 6,058,427 | Jun 20, 2012, 05:20 PM |
| Bandera Partners LLC | 10% Owner | Jun 13, 2012 |
Buy | $3.93 | 6,600 | 25,962 | 6,053,427 | Jun 13, 2012, 06:23 PM |
| Bandera Partners LLC | 10% Owner | Jun 12, 2012 |
Buy | $3.94 | 2,501 | 9,865 | 6,046,827 | Jun 13, 2012, 06:23 PM |
| Bandera Partners LLC | 10% Owner | Jun 11, 2012 |
Buy | $3.90 | 4,326 | 16,862 | 6,044,326 | Jun 13, 2012, 06:23 PM |
| Baxter Scott | Director | May 15, 2012 |
Sale | $4.00 | 14,400 | 57,658 | 60,600 | Jun 01, 2012, 04:21 PM |
| Baxter Scott | Director | May 24, 2012 |
Sale | $3.84 | 13,130 | 50,423 | 0 | Jun 01, 2012, 04:21 PM |
| Baxter Scott | Director | May 22, 2012 |
Sale | $3.80 | 12,000 | 45,629 | 13,130 | Jun 01, 2012, 04:21 PM |
| Baxter Scott | Director | May 18, 2012 |
Sale | $3.82 | 10,000 | 38,164 | 25,130 | Jun 01, 2012, 04:21 PM |
| Baxter Scott | Director | May 16, 2012 |
Sale | $3.90 | 25,470 | 99,458 | 35,130 | Jun 01, 2012, 04:21 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 25, 2012 |
Buy | $3.85 | 591 | 2,275 | 12,761,350 | May 30, 2012, 07:15 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 24, 2012 |
Buy | $3.85 | 37,609 | 144,678 | 12,760,759 | May 29, 2012, 04:09 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 23, 2012 |
Buy | $3.83 | 24,400 | 93,384 | 12,723,150 | May 25, 2012, 04:26 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 22, 2012 |
Buy | $3.80 | 5,300 | 20,140 | 12,698,750 | May 24, 2012, 04:15 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 21, 2012 |
Buy | $3.80 | 10,000 | 37,998 | 12,693,450 | May 23, 2012, 04:04 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 18, 2012 |
Buy | $3.80 | 900 | 3,420 | 12,683,450 | May 22, 2012, 04:11 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 17, 2012 |
Buy | $3.90 | 30,200 | 117,638 | 12,682,550 | May 21, 2012, 04:50 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 16, 2012 |
Buy | $3.90 | 22,408 | 87,376 | 12,652,350 | May 18, 2012, 04:23 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 15, 2012 |
Buy | $4.02 | 56,592 | 227,421 | 12,629,942 | May 17, 2012, 04:13 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 14, 2012 |
Buy | $3.96 | 42,000 | 166,148 | 12,573,350 | May 16, 2012, 04:18 PM |
| Kestrel Energy Partners LLC | 10% Owner | May 11, 2012 |
Buy | $3.93 | 70,000 | 274,981 | 12,531,350 | May 14, 2012, 11:15 AM |
| Kestrel Energy Partners LLC | 10% Owner | May 10, 2012 |
Buy | $3.82 | 100,000 | 381,850 | 12,461,350 | May 14, 2012, 11:15 AM |
| AMBURY RICHARD | CFO | May 11, 2012 |
Buy | $3.95 | 1,500 | 5,922 | 21,690 | May 14, 2012, 09:19 AM |
| Donovan Daniel P. | President and CEO | May 10, 2012 |
Buy | $3.68 | 1,000 | 3,680 | 25,000 | May 14, 2012, 09:11 AM |
| Kestrel Energy Partners LLC | 10% Owner | Mar 06, 2012 |
Buy | $4.50 | 6,906 | 31,077 | 12,361,350 | Mar 08, 2012, 03:02 PM |
| Kestrel Energy Partners LLC | 10% Owner | Mar 05, 2012 |
Buy | $4.50 | 25,086 | 112,887 | 12,354,444 | Mar 06, 2012, 01:24 PM |
| Kestrel Energy Partners LLC | 10% Owner | Mar 02, 2012 |
Buy | $4.50 | 23,300 | 104,850 | 12,329,358 | Mar 06, 2012, 01:24 PM |
| Kestrel Energy Partners LLC | 10% Owner | Feb 29, 2012 |
Buy | $4.50 | 2,930 | 13,185 | 12,306,058 | Mar 02, 2012, 05:22 PM |
| Donovan Dan | President and CEO | Feb 28, 2012 |
Buy | $4.57 | 3,000 | 13,710 | 24,000 | Feb 28, 2012, 04:39 PM |
| Donovan Dan | President and CEO | Feb 23, 2012 |
Buy | $4.60 | 1,500 | 6,900 | 21,000 | Feb 24, 2012, 02:48 PM |
| AMBURY RICHARD | CFO | Feb 17, 2012 |
Buy | $4.55 | 6,000 | 27,300 | 20,190 | Feb 17, 2012, 12:50 PM |
| Babcock Henry D | Director | Feb 10, 2012 |
Buy | $4.39 | 10,000 | 43,930 | 106,121 | Feb 14, 2012, 12:49 PM |
| Vermylen Paul A Jr | Director | Feb 13, 2012 |
Buy | $4.39 | 22,500 | 98,775 | 200,000 | Feb 14, 2012, 09:32 AM |
| Vermylen Paul A Jr | Director | Feb 10, 2012 |
Buy | $4.37 | 22,500 | 98,325 | 177,500 | Feb 14, 2012, 09:32 AM |
| Goldman Steven Jay | EVP, COO | Feb 13, 2012 |
Buy | $4.36 | 3,000 | 13,090 | 8,000 | Feb 13, 2012, 04:27 PM |
| Bandera Partners LLC | Former 10% Owner | Dec 08, 2011 |
Sale | $5.25 | 1,750,000 | 9,187,500 | 5,323,509 | Dec 09, 2011, 05:56 PM |
| Bandera Partners LLC | 10% Owner | Aug 12, 2011 |
Sale | $5.24 | 1,500,000 | 7,852,500 | 7,073,509 | Aug 16, 2011, 07:09 PM |
| NICOLETTI WILLIAM P | Director | Feb 09, 2011 |
Buy | $5.36 | 506 | 2,714 | 35,506 | Mar 08, 2011, 03:34 PM |
| LUBAR SHELDON B | Director | Feb 28, 2011 |
Buy | $5.50 | 5,169 | 28,415 | 200,000 | Mar 02, 2011, 11:15 AM |
| LUBAR SHELDON B | Director | Feb 25, 2011 |
Buy | $5.47 | 29,151 | 159,389 | 194,831 | Feb 28, 2011, 05:11 PM |
| LUBAR SHELDON B | Director | Feb 24, 2011 |
Buy | $5.44 | 29,151 | 158,520 | 165,680 | Feb 25, 2011, 05:14 PM |
| LUBAR SHELDON B | Director | Feb 23, 2011 |
Buy | $5.42 | 29,151 | 158,030 | 136,529 | Feb 24, 2011, 12:01 PM |
| LUBAR SHELDON B | Director | Feb 22, 2011 |
Buy | $5.39 | 16,800 | 90,605 | 107,378 | Feb 23, 2011, 03:51 PM |
| LUBAR SHELDON B | Director | Feb 18, 2011 |
Buy | $5.50 | 23,444 | 128,942 | 90,578 | Feb 23, 2011, 03:29 PM |
| LUBAR SHELDON B | Director | Feb 17, 2011 |
Buy | $5.41 | 23,444 | 126,779 | 67,134 | Feb 22, 2011, 01:02 PM |
| LUBAR SHELDON B | Director | Feb 16, 2011 |
Buy | $5.36 | 20,246 | 108,472 | 43,690 | Feb 17, 2011, 04:22 PM |
| LUBAR SHELDON B | Director | Feb 15, 2011 |
Buy | $5.37 | 23,444 | 125,816 | 23,444 | Feb 16, 2011, 05:49 PM |
| Bandera Partners LLC | 10% Owner | Sep 16, 2010 |
Buy | $4.50 | 1,000,000 | 4,500,000 | 8,573,509 | Sep 17, 2010, 01:25 PM |
