POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

FAIRFIELD, BUSH & CO.'s Holding History (CIK: 0001116247)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 19,660 Value ($000) $406 Avg Close — Range —
Q3 2017
Shares 19,660 Value ($000) $378 Avg Close — Range —
Q2 2017
Shares 22,435 Value ($000) $366 Avg Close — Range —
Q1 2017
Shares 27,435 Value ($000) $469 Avg Close — Range —
Q4 2016
Shares 22,690 Value ($000) $410 Avg Close — Range —
Q3 2016
Shares 23,195 Value ($000) $379 Avg Close — Range —
Q2 2016
Shares 23,145 Value ($000) $376 Avg Close — Range —
Q1 2016
Shares 14,395 Value ($000) $245 Avg Close — Range —
Q4 2015
Shares 16,750 Value ($000) $287 Avg Close — Range —
Q3 2015
Shares 21,850 Value ($000) $449 Avg Close — Range —
Q2 2015
Shares 21,240 Value ($000) $658 Avg Close — Range —
Q1 2015
Shares 21,230 Value ($000) $685 Avg Close — Range —
Q4 2014
Shares 20,610 Value ($000) $728 Avg Close — Range —
Q3 2014
Shares 19,035 Value ($000) $658 Avg Close — Range —
Q2 2014
Shares 13,905 Value ($000) $528 Avg Close — Range —
Q1 2014
Shares 5,645 Value ($000) $204 Avg Close — Range —
Q4 2013
Shares 5,645 Value ($000) $186 Avg Close — Range —
Q3 2013
Shares 13,365 Value ($000) $418 Avg Close — Range —
Q2 2013
Shares 20,820 Value ($000) $794 Avg Close — Range —