PLAINS ALL AMERN PIPELINE L

Ticker: PAA CUSIP: 726503105 Class: UNIT LTD PARTN

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

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

Q3 2015
Shares 17,615 Value ($000) $535 Avg Close — Range —
Q2 2015
Shares 31,091 Value ($000) $1,516 Avg Close — Range —
Q1 2015
Shares 31,091 Value ($000) $1,516 Avg Close — Range —
Q4 2014
Shares 35,560 Value ($000) $1,825 Avg Close — Range —
Q3 2014
Shares 35,560 Value ($000) $2,093 Avg Close — Range —
Q2 2014
Shares 35,560 Value ($000) $2,135 Avg Close — Range —
Q1 2014
Shares 27,560 Value ($000) $1,519 Avg Close — Range —
Q4 2013
Shares 17,260 Value ($000) $894 Avg Close — Range —
Q3 2013
Shares 20,760 Value ($000) $1,093 Avg Close — Range —
Q2 2013
Shares 20,760 Value ($000) $1,159 Avg Close — Range —