THE ADT CORPORATION

CUSIP: 00101J106 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2016
Shares 250,246 Value ($000) $10,325 Avg Close — Range —
Q4 2015
Shares 247,141 Value ($000) $8,151 Avg Close — Range —
Q3 2015
Shares 238,346 Value ($000) $7,127 Avg Close — Range —
Q2 2015
Shares 246,177 Value ($000) $8,264 Avg Close — Range —
Q1 2015
Shares 250,616 Value ($000) $10,406 Avg Close — Range —
Q4 2014
Shares 245,008 Value ($000) $8,877 Avg Close — Range —
Q3 2014
Shares 217,641 Value ($000) $7,718 Avg Close — Range —
Q2 2014
Shares 230,654 Value ($000) $8,059 Avg Close — Range —
Q1 2014
Shares 243,083 Value ($000) $7,280 Avg Close — Range —
Q4 2013
Shares 3,640,457 Value ($000) $147,328 Avg Close — Range —
Q3 2013
Shares 3,523,572 Value ($000) $143,267 Avg Close — Range —
Q2 2013
Shares 3,840,269 Value ($000) $153,034 Avg Close — Range —