US$ unless otherwise noted

IPO of Potash Corporation of Saskatchewan Inc. on November 2, 1989 on the Toronto (at CDN $18.00 per share, pre-splits) and New York (at US $15.125 per share, pre-splits) stock exchanges. The company had been a Crown corporation owned by the Government of Saskatchewan.
Acquired Saskterra and its 40 percent interest in the Allan, Saskatchewan potash mine from Husky Oil Ltd. for $47M.
Purchased the potash assets of Potash Company of America – a mine and mill in Saskatchewan and a mine, mill and port facility in New Brunswick – from Rio Algom for $111.8M.
Purchased all outstanding shares of White Springs Agricultural Chemicals Ltd. from Occidental Chemical Corporation for $291.5M.
Created PCS Phosphate by purchasing all outstanding shares of Texasgulf Inc. for $832.6M. Texasgulf’s primary asset was a vertically integrated phosphate complex in Aurora, North Carolina.
Created PCS Nitrogen by acquiring all outstanding shares of Arcadian Corporation for $563.6M and issuing eight million common shares valued at $573.3M. The primary assets included a nitrogen complex in Trinidad and four US facilities.
Purchased nine percent of the shares of Israel Chemicals Ltd. (ICL) from the Government of Israel for $93M.
Acquired all outstanding shares of Potash Company of Canada for $11.4M.
Acquired Minera Yolanda SCM, a specialty potash producer in Chile, for $37M.
Purchased approximately 48 million shares (about 18 percent) of Sociedad Quimica y Minera de Chile (SQM) for $131M.
Purchased five million SQM shares for $23M, raising total investment interest to $154M.
Acquired 26 percent of the shares of Arab Potash Company Ltd. (APC) for $178M. Brought on stream an 83,000-metric-tonne expansion of our purified phosphoric acid plant at PCS Phosphate Aurora, increasing its capacity to 251,000 tonnes P2O5.
Announced potash debottlenecking project to bring back previous idled capacity and increase compaction capability at Rocanville. Table
Invested $40.6M to increase ownership interest in SQM to 25 percent.
Announced a two-for-one stock split of the company’s outstanding common shares effective August 17, 2004, payable by stock dividend.
Completed potash debottlenecking project to bring back previous idled capacity and increase compaction capability at Rocanville. Table
Announced potash debottlenecking project to bring back previous idled capacity and increase compaction capability at Allan. Table
Purchased an initial 9.99 percent stake in Sinofert Holdings Limited (Sinofert) for $97.4M.
Purchased an additional one percent of ICL, bringing our total ownership to 10 percent.
Acquired an additional $18.5M of APC shares, raising total ownership interest to 28 percent.
Purchased an additional seven percent of SQM for $231.5M, raising total ownership interest to 32 percent.
Purchased an additional 10.01 percent of Sinofert for $126.3M, raising total ownership interest to 20 percent.
Installed 82,000 additional tonnes of purified phosphoric acid capacity at Aurora at a cost of $75 million.
Announced potash debottlenecking and expansion projects to bring back previous idled capacity and/or increase standard-grade production capacity and additional compaction capability at Rocanville, New Brunswick, Cory and Patience Lake facilities. Table
Completed potash debottlenecking project to bring back previous idled capacity and increase compaction capability at Allan. Table
Announced a three-for-one stock split of the company’s outstanding common shares effective May 29, 2007, payable by stock dividend.
Purchased an additional one percent of ICL for $116M, raising total ownership interest to 11 percent. Purchased an additional two percent of Sinofert for $319M, raising total ownership interest to 22 percent.
Completed potash debottlenecking project to bring back previous idled capacity and increase compaction capability at Lanigan. Table
Announced a further potash debottlenecking project at Allan and changed scope of expansion projects at Rocanville and Cory to add more production capability. Table
Completed potash debottlenecking project to bring back previous idled capacity at Patience Lake. Table
Obtained mining permit from the US Army Corps of Engineers in June 2009, allowing the company's Aurora, NC phosphate operation to mine reserves in excess of thirty years.
Completed construction of a new $260 million sulfuric acid plant at the company's Aurora, NC phosphate operation. This will enable productive capability to meet stated phosphoric acid capacities without purchasing sulfuric acid.
Purchased an additional three percent of ICL for $422M, raising total ownership interest to 14 percent.
Completed construction on the first phase of our debottlenecking and expansion project at Cory. Table
Announced a three-for-one stock split of the company's outstanding common shares effective February 24, 2011, payable by stock dividend.
Completed construction of the second phase of our expansion project at Cory. Table
Completed construction of our expansion project at Allan. Table
Restarted 500,000 tonnes of previously idled annual ammonia capacity at Geismar.