Insider Transactions by Khan Fazal R.

Symbol	Relationship	Date	Transaction	Cost	# Shares	Value($)	Total Shares	Form 4
MACK	SVP of Manufacturing	Dec 17, 2012	Option Exercise	$1.71	25,000	42,750	25,000	Dec 17, 2012, 05:10 PM
MACK	SVP of Manufacturing	Dec 13, 2012	Option Exercise	$1.71	25,000	42,750	25,000	Dec 17, 2012, 05:10 PM
MACK	SVP of Manufacturing	Dec 17, 2012	Sale	$6.41	25,000	160,343	0	Dec 17, 2012, 05:10 PM
MACK	SVP of Manufacturing	Dec 13, 2012	Sale	$6.73	25,000	168,320	0	Dec 17, 2012, 05:10 PM

Desktop Version

Symbol	Relationship	Date	Transaction	Value($)
MACK	SVP of Manufacturing	Dec 17, 2012	Option Exercise	42,750
MACK	SVP of Manufacturing	Dec 13, 2012	Option Exercise	42,750
MACK	SVP of Manufacturing	Dec 17, 2012	Sale	160,343
MACK	SVP of Manufacturing	Dec 13, 2012	Sale	168,320