POTASH CORP SASK INC

CUSIP: 73755l107 Class: COM

DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC's Holding History (CIK: 0001278678)

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

Q4 2017
Shares 24,000 Value ($000) $496 Avg Close — Range —
Q3 2017
Shares 24,000 Value ($000) $462 Avg Close — Range —
Q2 2017
Shares 24,000 Value ($000) $391 Avg Close — Range —
Q1 2017
Shares 12,000 Value ($000) $205 Avg Close — Range —
Q4 2016
Shares 12,000 Value ($000) $217 Avg Close — Range —
Q3 2016
Shares 12,000 Value ($000) $196 Avg Close — Range —