| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| EROC | MILLS JOSEPH A | CEO and Chairman | Aug 27 '14 | Buy | 4.09 | 6,000 | 24,540 | 1,150,254 | Aug 28 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | May 16 '11 | Option Exercise | 6.00 | 18,814 | 112,884 | 411,622 | May 18 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Mar 22 '11 | Sale | 10.00 | 19,214 | 192,140 | 402,215 | Mar 23 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Mar 21 '11 | Sale | 10.00 | 40,186 | 401,860 | 421,429 | Mar 23 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Jan 03 '11 | Sale | 9.00 | 49,700 | 447,300 | 461,615 | Jan 05 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Dec 06 '10 | Sale | 6.00 | 28,000 | 168,000 | 0 | Dec 06 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Nov 29 '10 | Sale | 8.00 | 14,100 | 112,800 | 511,315 | Nov 30 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Nov 26 '10 | Sale | 8.00 | 20,000 | 160,000 | 525,415 | Nov 30 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Nov 04 '10 | Sale | 6.00 | 16,000 | 96,000 | 28,000 | Nov 08 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Oct 08 '10 | Sale | 7.00 | 17,900 | 125,300 | 381,872 | Oct 08 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Oct 06 '10 | Sale | 6.00 | 12,240 | 73,440 | 44,000 | Oct 07 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Oct 05 '10 | Sale | 6.00 | 3,360 | 20,160 | 56,240 | Oct 07 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Sep 16 '10 | Sale | 6.00 | 400 | 2,400 | 59,600 | Sep 20 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Jun 15 '10 | Option Exercise | 3.38 | 240,000 | 810,000 | 407,417 | Jul 19 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Jun 15 '10 | Sale | 2.50 | 2,810 | 7,025 | 60,000 | Jun 16 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | Jun 14 '10 | Sale | 2.50 | 37,595 | 93,988 | 62,810 | Jun 16 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | May 16 '08 | Sale | 17.00 | 4,513 | 76,727 | 162,480 | May 16 12:00 AM |
| EROC | MILLS JOSEPH A | CEO and Chairman | May 15 '08 | Sale | 17.00 | 3,007 | 51,119 | 166,993 | May 16 12:00 AM |