POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

Columbia Asset Management's Holding History (CIK: 0001585047)

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

Q4 2014
Shares 6,435 Value ($000) $227 Avg Close — Range —
Q3 2014
Shares 31,045 Value ($000) $1,073 Avg Close — Range —
Q2 2014
Shares 40,590 Value ($000) $1,541 Avg Close — Range —
Q1 2014
Shares 44,590 Value ($000) $1,615 Avg Close — Range —
Q4 2013
Shares 43,340 Value ($000) $1,428 Avg Close — Range —