| 日期/Date | 事件/Event | 地點/Location |
| 2010/3/2 | CHK, OII, CNX at Simmons & Company International Energy Conference | |
| 2010/3/2 | CHK, OII, CNX at Simmons & Company International Energy Conference | |
| 2010/3/2 | CHK, OII, CNX at Simmons & Company International Energy Conference | |
| 2010/12/8 | AEP, OII, NST at Wells Fargo Securities Pipeline, MLP and Energy Symposium | |
| 2010/12/8 | AEP, OII, NST at Wells Fargo Securities Pipeline, MLP and Energy Symposium | |
| 2010/12/8 | AEP, OII, NST at Wells Fargo Securities Pipeline, MLP and Energy Symposium | |
| 2010/12/8 | AEP, OII, NST at Wells Fargo Securities Pipeline, MLP and Energy Symposium | |