POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2017
Shares 90,105 Value ($000) $1,860 Avg Close — Range —
Q3 2017
Shares 15,123 Value ($000) $290 Avg Close — Range —
Q2 2017
Shares 3,096 Value ($000) $50 Avg Close — Range —
Q1 2017
Shares 56,627 Value ($000) $967 Avg Close — Range —
Q2 2016
Shares 148,123 Value ($000) $2,405 Avg Close — Range —
Q4 2015
Shares 33,704 Value ($000) $577 Avg Close — Range —
Q3 2015
Shares 384 Value ($000) $7 Avg Close — Range —
Q2 2015
Shares 9,752 Value ($000) $302 Avg Close — Range —
Q1 2015
Shares 9,662 Value ($000) $311 Avg Close — Range —
Q4 2014
Shares 8,956 Value ($000) $316 Avg Close — Range —