Key Quarter and Outlook Highlights:

Key Quarter and Outlook Highlights:

Second-Quarter 2011 and Outlook Highlights:

Saskatoon, Saskatchewan – Potash Corporation of Saskatchewan Inc. (PotashCorp) will hold its Annual Meeting of Shareholders on May 12, 2010 in Saskatoon. The meeting will also be webcast on www.potashcorp.com

Saskatoon, Saskatchewan — Potash Corporation of Saskatchewan Inc. (PotashCorp) today reported record first-quarter earnings of $0.84 per share1 ($732 million), 71 percent above the $0.49 per share ($444 million) earned in the same period last year. Strong demand and improved prices for all three nutrients resulted in record first-quarter gross margin of $1.1 billion, significantly above the $729 million earned in last year’s first quarter. Earnings before finance costs, income taxes and depreciation and amortization (EBITDA)2 of $1.1 billion and cash flow prior to working capital changes2 of $899 million substantially exceeded the first-quarter 2010 totals of $776 million and $633 million, respectively.

Saskatoon, Saskatchewan — Potash Corporation of Saskatchewan Inc. (PotashCorp) announced today that the following materials for the fiscal year ended December 31, 2010 are now available on the company’s website at www.potashcorp.com.

Saskatoon, Saskatchewan — Potash Corporation of Saskatchewan Inc. (PotashCorp) today reported fourth-quarter earnings of $1.61 per share1 ($482.3 million), the highest quarterly total for 2010 and more than double the $0.79 per share ($239.2 million) earned in the same period last year. This result raised full-year earnings to $5.95 per share ($1.8 billion) — the second-highest total in company history — and surpassed the $3.23 per share ($980.7 million) earned in 2009. Performance was impacted by takeover response costs (included in other income), which reduced earnings for the fourth quarter and full year by $0.16 per share and $0.18 per share, respectively.

Potash Corporation of Saskatchewan Inc. announced today that its Board of Directors has declared a quarterly dividend of US $0.10 per share payable February 10, 2011 to shareholders of record January 20, 2011.

Saskatoon, Saskatchewan — Potash Corporation of Saskatchewan Inc. (PotashCorp) today reported third-quarter earnings of $1.32 per share1 ($402.7 million) — the second-highest third-quarter total in company history — as rapidly rising prices for crop commodities fueled strong demand for potash, phosphate and nitrogen products. This result far exceeded the $0.82 per share ($247.9 million) earned in the same period last year and raised earnings for the first nine months of 2010 to $4.34 per share ($1.3 billion), surpassing all previous full-year totals with the exception of the record 2008.

Potash Corporation of Saskatchewan Inc. announced today that its Board of Directors has declared a quarterly dividend of US $0.10 per share payable November 8, 2010 to shareholders of record October 18, 2010.