

| POTASH CORPORATION SASKATCHEWAN INC. | 06/05/2010 AGM | |
|---|---|---|
| 1.01 | Elect C.M. Burley | For |
| 1.02 | Elect W. J. Doyle | For |
| 1.03 | Elect J.W. Estey | For |
| 1.04 | Elect C.S. Hoffman | Withhold |
| 1.05 | Elect D.J. Howe | Withhold |
| 1.06 | Elect A.D. Laberge | For |
| 1.07 | Elect K.G. Martell | For |
| 1.08 | Elect J.J. McCaig | Withhold |
| 1.09 | Elect M. Mogford | Withhold |
| 1.10 | Elect P.J. Schoenhals | Withhold |
| 1.11 | Elect E.R. Stromberg | Withhold |
| 1.12 | Elect E. Viyella de Paliza | Withhold |
| 2 | Appoint the auditors | For |
| 3 | Approve 2010 Performance Option Plan | Abstain |
| 4 | Approve the Compensation Report | Abstain |