| 日期 | 代碼 | 券商 | 原評等→降級後評等 | 新目標價 |
| 2009/5/21 | IAG | RBC Capital Mkts | Outperform >> Sector Perform | |
| 2007/5/23 | IAG | HSBC Securities | Neutral Underweight | |
| 2006/9/20 | IAG | CIBC Wrld Mkts | Sector Perform Sector Underperform | |
| 2004/12/22 | IAG | CIBC Wrld Mkts | Sector Perform->Sector Underperform | |
| 2003/11/14 | IAG | CIBC Wrld Mkts | Sector Perform -> Sector Underperform | |