SASKATOON, CNW – Potash Corporation of Saskatchewan Inc. announced today that it has signed a letter of intent to purchase all the outstanding shares of Potash Company of Canada Limited ("Potacan") from Kali und Salz Beteiligungs AG of Germany and Entreprise Minière et Chimique of France. The parties will work toward completion of a definitive Purchase and Sale Agreement, expected sometime in early 1998.