ALLIANT TECHSYSTEMS INC

CUSIP: 018804104 Class: COM

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

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

Q4 2014
Shares 836,697 Value ($000) $97,266 Avg Close — Range —
Q3 2014
Shares 644,127 Value ($000) $82,216 Avg Close — Range —
Q2 2014
Shares 980,097 Value ($000) $131,255 Avg Close — Range —
Q1 2014
Shares 1,051,524 Value ($000) $149,474 Avg Close — Range —
Q4 2013
Shares 1,140,888 Value ($000) $138,823 Avg Close — Range —
Q3 2013
Shares 890,772 Value ($000) $86,904 Avg Close — Range —
Q2 2013
Shares 1,226,601 Value ($000) $100,986 Avg Close — Range —