EX-11 2 o57897exv11.htm EXHIBIT 11 Exhibit 11
Exhibit 11
POTASH CORPORATION OF SASKATCHEWAN INC.
COMPUTATION OF PER SHARE EARNINGS
FOR THE YEARS ENDED DECEMBER 31
                 
    2009   2008
 
               
A Net income as reported, Canadian GAAP ($ millions)
    987.8       3,495.2  
B Items adjusting net income ($ millions)
    8.3     (100.0 )
C Net income, US GAAP ($ millions)
    996.1       3,395.2  
D Weighted average number of shares outstanding
    295,580,000       307,480,000  
E Net additional shares issuable for diluted earnings per share calculation (Canadian GAAP)
    8,363,000       9,958,000  
F Net additional shares issuable for diluted earnings per share calculation (US GAAP)
    8,363,000       9,954,000  
 
               
CANADIAN GAAP
               
Basic earnings per share (A/D)
    3.34       11.37  
Diluted earnings per share (A/(D+E))
    3.25       11.01  
 
               
UNITED STATES GAAP
               
Basic earnings per share (C/D)
    3.37       11.04  
Diluted earnings per share (C/(D+F))
    3.28       10.70