THE ADT CORPORATION

CUSIP: 00101J106 Class: COM

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

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

Q4 2013
Shares 5,394 Value ($000) $218 Avg Close — Range —
Q3 2013
Shares 5,394 Value ($000) $219 Avg Close — Range —
Q2 2013
Shares 5,600 Value ($000) $223 Avg Close — Range —