THE ADT CORPORATION

CUSIP: 00101J106 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q1 2016
Shares 94,219 Value ($000) $3,887 Avg Close — Range —
Q4 2015
Shares 164,549 Value ($000) $5,427 Avg Close — Range —
Q3 2015
Shares 144,217 Value ($000) $4,311 Avg Close — Range —
Q2 2015
Shares 168,522 Value ($000) $5,656 Avg Close — Range —
Q1 2015
Shares 198,518 Value ($000) $8,241 Avg Close — Range —
Q4 2014
Shares 191,952 Value ($000) $6,954 Avg Close — Range —
Q3 2014
Shares 179,500 Value ($000) $6,365 Avg Close — Range —
Q2 2014
Shares 129,672 Value ($000) $4,530 Avg Close — Range —
Q1 2014
Shares 98,238 Value ($000) $2,941 Avg Close — Range —
Q4 2013
Shares 83,260 Value ($000) $3,369 Avg Close — Range —
Q3 2013
Shares 74,593 Value ($000) $3,033 Avg Close — Range —
Q2 2013
Shares 27,825 Value ($000) $1,108 Avg Close — Range —