| UPGRADES & DOWNGRADES HISTORY |
| Date | Research Firm | Action | From | To | | 29-Nov-07 | Banc of America Sec | Initiated | | Neutral | | 30-Aug-07 | Jefferies & Co | Upgrade | Underperform | Hold | | 26-Jul-07 | Matrix Research | Downgrade | Hold | Strong Sell |
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| Current Month | Last Month | Two Months Ago | Three Months Ago | | Strong Buy | 0 | 0 | 0 | 0 | | Buy | 0 | 0 | 0 | 0 | | Hold | 0 | 0 | 0 | 0 | | Underperform | 0 | 0 | 0 | 0 | | Sell | 0 | 0 | 0 | 0 |
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