LEIDOS HOLDINGS INC

Ticker: LDOS CUSIP: 525327102 Class: Common Stock

IRIDIAN ASSET MANAGEMENT LLC/CT's Holding History (CIK: 0001033427)

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

Q1 2014

Shares 1,628,817 Value ($000) $57,611 Avg Close $25.83 Range $19.76 - $27.86

Q4 2013

Shares 3,282,569 Value ($000) $152,607 Avg Close $26.62 Range $23.19 - $28.39

Q3 2013

Shares 2,742,662 Value ($000) $124,846 Avg Close $21.28 Range $19.18 - $26.35

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	1,628,817	$57,611	$25.83	$19.76 - $27.86
Q4 2013	3,282,569	$152,607	$26.62	$23.19 - $28.39
Q3 2013	2,742,662	$124,846	$21.28	$19.18 - $26.35