You may communicate with the Board of Directors through the Corporate Secretary's office in the following manner:

PotashCorp Board of Directors
c/o Corporate Secretary
Suite 500, 122 - 1^st Avenue South
Saskatoon, SK Canada
S7K 7G3

E-mail the Board of Directors

Matters relating to the Corporation's accounting, internal accounting controls or auditing matters will be referred to the Audit Committee. Other matters will be referred to the Board Chair or others as appropriate. To further facilitate communications between the Corporation's security holders and the Board, the Corporation has adopted a policy that all Directors standing for re-election and all new Director nominees are expected to attend the annual meeting of shareholders. In 2008, all such Directors and nominees attended the annual meeting.