POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2017
Shares 845,932 Value ($000) $17,405 Avg Close — Range —
Q3 2017
Shares 959,032 Value ($000) $18,419 Avg Close — Range —
Q2 2017
Shares 1,004,332 Value ($000) $16,356 Avg Close — Range —
Q1 2017
Shares 979,432 Value ($000) $16,686 Avg Close — Range —
Q4 2016
Shares 886,432 Value ($000) $16,056 Avg Close — Range —
Q3 2016
Shares 887,232 Value ($000) $14,413 Avg Close — Range —
Q2 2016
Shares 1,141,632 Value ($000) $18,460 Avg Close — Range —
Q1 2016
Shares 1,179,232 Value ($000) $20,158 Avg Close — Range —
Q4 2015
Shares 1,210,532 Value ($000) $20,653 Avg Close — Range —
Q3 2015
Shares 913,532 Value ($000) $18,690 Avg Close — Range —
Q2 2015
Shares 1,020,232 Value ($000) $31,609 Avg Close — Range —
Q1 2015
Shares 825,632 Value ($000) $26,617 Avg Close — Range —
Q4 2014
Shares 408,196 Value ($000) $14,474 Avg Close — Range —
Q3 2014
Shares 662,896 Value ($000) $23,003 Avg Close — Range —
Q2 2014
Shares 661,896 Value ($000) $25,217 Avg Close — Range —
Q1 2014
Shares 432,996 Value ($000) $15,688 Avg Close — Range —
Q4 2013
Shares 431,396 Value ($000) $14,219 Avg Close — Range —
Q3 2013
Shares 798,978 Value ($000) $25,037 Avg Close — Range —
Q2 2013
Shares 859,886 Value ($000) $32,702 Avg Close — Range —