POWERSHARES ETF TRUST

CUSIP: 73935x575 Class: WATER RESOURCE

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

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

Q2 2015
Shares 18,421 Value ($000) $459 Avg Close — Range —
Q1 2015
Shares 18,421 Value ($000) $459 Avg Close — Range —
Q4 2014
Shares 9,021 Value ($000) $232 Avg Close — Range —