ALLIANT TECHSYSTEMS INC

CUSIP: 018804104 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2014
Shares 15,200 Value ($000) $1,767 Avg Close — Range —
Q3 2014
Shares 15,200 Value ($000) $1,940 Avg Close — Range —
Q2 2014
Shares 15,000 Value ($000) $2,009 Avg Close — Range —
Q1 2014
Shares 15,000 Value ($000) $2,132 Avg Close — Range —
Q4 2013
Shares 14,900 Value ($000) $1,813 Avg Close — Range —
Q3 2013
Shares 14,900 Value ($000) $1,454 Avg Close — Range —
Q2 2013
Shares 14,800 Value ($000) $1,218 Avg Close — Range —