| 日期/Date | 事件/Event | 地點/Location |
| 2010/4/12 | WLL, SWN, CRK, NOG at IPAA Oil & Gas Investment Symposium New York | |
| 2010/4/12 | WLL, SWN, CRK, NOG at IPAA Oil & Gas Investment Symposium New York | |
| 2010/4/12 | WLL, SWN, CRK, NOG at IPAA Oil & Gas Investment Symposium New York | |