| 日期 | 代碼 | 券商 | 原評等→升級後評等 | 新目標價 |
| 2014/12/3 | SPN | Imperial Capital | In-line >> Outperform | $30 >> $28 |
| 2013/1/8 | SPN | RBC Capital Mkts | Sector Perform >> Outperform | $23 >> $26 |
| 2012/4/2 | SPN | Howard Weil | Market Outperform >> Focus Stock | $41 >> $41 |
| 2012/1/19 | SPN | Howard Weil | Market Perform >> Market Outperform | 41 |
| 2009/12/11 | SPN | CapitalOne southcoast | Neutral >> Add | $25 >> $28 |