PERKINELMER INC

Ticker: RVTY CUSIP: 714046109 Class: EQTY

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

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

Q2 2015
Shares 16,550 Value ($000) $846 Avg Close $50.40 Range $48.34 - $52.65
Q1 2015
Shares 16,550 Value ($000) $846 Avg Close $44.72 Range $40.20 - $49.83