THE ADT CORPORATION

CUSIP: 00101J106 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2016
Shares 2,775 Value ($000) $115 Avg Close — Range —
Q4 2015
Shares 8,927 Value ($000) $294 Avg Close — Range —
Q3 2015
Shares 21,010 Value ($000) $628 Avg Close — Range —
Q2 2015
Shares 44,861 Value ($000) $1,506 Avg Close — Range —
Q2 2014
Shares 30,562 Value ($000) $1,068 Avg Close — Range —
Q1 2014
Shares 134,328 Value ($000) $4,023 Avg Close — Range —
Q4 2013
Shares 49,129 Value ($000) $1,988 Avg Close — Range —
Q3 2013
Shares 43,671 Value ($000) $1,776 Avg Close — Range —