POTASH CORP SASK INC

CUSIP: 73755L107 Class: COMMON STOCK-FO

Douglass Winthrop Advisors, LLC's Holding History (CIK: 0001308527)

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

Q2 2013
Shares 386,438 Value ($000) $14,735 Avg Close — Range —