POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

North Star Investment Management Corp.'s Holding History (CIK: 0001342857)

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

Q4 2017
Shares 4,610 Value ($000) $95 Avg Close — Range —
Q3 2017
Shares 4,765 Value ($000) $92 Avg Close — Range —
Q2 2017
Shares 4,765 Value ($000) $78 Avg Close — Range —
Q1 2017
Shares 9,365 Value ($000) $160 Avg Close — Range —
Q4 2016
Shares 10,975 Value ($000) $197 Avg Close — Range —
Q3 2016
Shares 5,500 Value ($000) $90 Avg Close — Range —
Q1 2016
Shares 35,767 Value ($000) $609 Avg Close — Range —
Q4 2015
Shares 61,890 Value ($000) $1,060 Avg Close — Range —
Q3 2015
Shares 50,735 Value ($000) $1,043 Avg Close — Range —
Q2 2015
Shares 42,235 Value ($000) $1,308 Avg Close — Range —
Q1 2015
Shares 41,935 Value ($000) $1,352 Avg Close — Range —
Q4 2014
Shares 36,400 Value ($000) $1,286 Avg Close — Range —
Q3 2014
Shares 55,850 Value ($000) $1,930 Avg Close — Range —
Q2 2014
Shares 57,366 Value ($000) $2,178 Avg Close — Range —
Q1 2014
Shares 58,850 Value ($000) $2,132 Avg Close — Range —
Q4 2013
Shares 54,450 Value ($000) $1,795 Avg Close — Range —
Q3 2013
Shares 43,050 Value ($000) $1,347 Avg Close — Range —
Q2 2013
Shares 31,550 Value ($000) $1,203 Avg Close — Range —