POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

AMARILLO NATIONAL BANK's Holding History (CIK: 0001053013)

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

Q2 2014
Shares 19,468 Value ($000) $740 Avg Close — Range —
Q1 2014
Shares 17,291 Value ($000) $626 Avg Close — Range —
Q4 2013
Shares 17,291 Value ($000) $570 Avg Close — Range —
Q3 2013
Shares 18,954 Value ($000) $593 Avg Close — Range —