| Dik Jeffrey Van Steenbergen | LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP | — |
| Pentti Olavi Karkkainen | LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP | — |
| Johannes Joseph Nieuwenburg | LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP | — |
| Jason Robert Montemurro | LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP | — |
| Tori Fahey | SHAREHOLDER | — |
| SMITH DENNIS D | SHAREHOLDER | — |
| VAN STEENBERGEN DIK JEFFREY | DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT II LTD.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV (IC) INC.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV LTD. (+7 more) | — |
| KARKKAINEN PENTTI OLAVI | DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT II LTD.; DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT LTD.; LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP (+2 more) | — |
| NIEUWENBURG JOHANNES JOSEPH | DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV (IC) INC.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV LTD.; DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT IV (IC) INC. (+4 more) | — |
| FAHEY TORI | LIMITED PARTNER OF AZIMUTH ENERGY PARTNERS GP III LP; LIMITED PARTNER OF KERN ENERGY PARTNERS GP III LP; SHAREHOLDER | — |
| MONTEMURRO JASON ROBERT | DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV (IC) INC.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV LTD.; DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT IV (IC) INC. (+4 more) | — |
| PEARCE DAVID LAWRENCE | DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV (IC) INC.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV LTD.; DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT IV (IC) INC. (+2 more) | — |
| MELE FRANCESCO GORDON | DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV (IC) INC.; DIRECTOR OF AZIMUTH CAPITAL MANAGEMENT IV LTD.; DIRECTOR OF KERN ENERGY PARTNERS MANAGEMENT IV (IC) INC. (+2 more) | — |
| HOOPER CHRISTOPHER P | SHAREHOLDER | — |
| KUNEC NATHAN | SHAREHOLDER | — |