0001181431-12-054241 3 2 20120928 20121009 20121009 Heller Bridgette P 0001485616 3 34 001-35502 121136230 MERCK & CO INC ONE MERCK DRIVE WHITEHOUSE STATION NJ 08889 ADT Corp 0001546640 7381 454517261 DE 0912 1501 YAMATO ROAD BOCA RATON FL 33431 561-988-3600 1501 YAMATO ROAD BOCA RATON FL 33431 3 1 rrd357902.xml FORM 3 EX-24. 2 rrd321184_363082.htm POWER OF ATTORNEY