POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2017
Shares 2,383,880 Value ($000) $48,810 Avg Close — Range —
Q3 2017
Shares 2,561,094 Value ($000) $49,240 Avg Close — Range —
Q2 2017
Shares 2,272,155 Value ($000) $36,931 Avg Close — Range —
Q1 2017
Shares 2,342,253 Value ($000) $39,968 Avg Close — Range —
Q4 2016
Shares 3,038,681 Value ($000) $55,109 Avg Close — Range —
Q3 2016
Shares 3,054,825 Value ($000) $49,749 Avg Close — Range —
Q2 2016
Shares 3,277,240 Value ($000) $52,921 Avg Close — Range —
Q1 2016
Shares 2,667,584 Value ($000) $45,399 Avg Close — Range —
Q4 2015
Shares 1,701,375 Value ($000) $29,157 Avg Close — Range —
Q3 2015
Shares 2,239,291 Value ($000) $45,846 Avg Close — Range —
Q2 2015
Shares 3,126,392 Value ($000) $96,716 Avg Close — Range —
Q1 2015
Shares 3,394,029 Value ($000) $109,123 Avg Close — Range —
Q4 2014
Shares 3,407,364 Value ($000) $120,552 Avg Close — Range —
Q3 2014
Shares 2,881,359 Value ($000) $99,795 Avg Close — Range —
Q2 2014
Shares 2,660,513 Value ($000) $100,856 Avg Close — Range —
Q1 2014
Shares 2,659,517 Value ($000) $95,755 Avg Close — Range —
Q4 2013
Shares 3,020,269 Value ($000) $99,782 Avg Close — Range —
Q3 2013
Shares 4,304,348 Value ($000) $134,585 Avg Close — Range —
Q2 2013
Shares 6,290,364 Value ($000) $240,324 Avg Close — Range —