THE ADT CORPORATION

CUSIP: 00101J106 Class: COM

Dodge & Cox's Holding History (CIK: 0000200217)

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

Q1 2016
Shares 20,426,715 Value ($000) $842,806 Avg Close — Range —
Q4 2015
Shares 25,761,553 Value ($000) $849,616 Avg Close — Range —
Q3 2015
Shares 27,004,565 Value ($000) $807,436 Avg Close — Range —
Q2 2015
Shares 26,933,165 Value ($000) $904,146 Avg Close — Range —
Q1 2015
Shares 27,414,014 Value ($000) $1,138,230 Avg Close — Range —
Q4 2014
Shares 27,884,826 Value ($000) $1,010,267 Avg Close — Range —
Q3 2014
Shares 27,853,069 Value ($000) $987,670 Avg Close — Range —
Q2 2014
Shares 27,976,177 Value ($000) $977,488 Avg Close — Range —
Q1 2014
Shares 28,133,204 Value ($000) $842,589 Avg Close — Range —
Q4 2013
Shares 28,008,568 Value ($000) $1,133,507 Avg Close — Range —
Q3 2013
Shares 26,114,603 Value ($000) $1,061,820 Avg Close — Range —
Q2 2013
Shares 20,110,537 Value ($000) $801,405 Avg Close — Range —