ATWOOD OCEANICS INC

CUSIP: 050095108 Class: COM

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

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

Q4 2015
Shares 22,800 Value ($000) $233 Avg Close — Range —
Q3 2015
Shares 26,600 Value ($000) $394 Avg Close — Range —
Q2 2015
Shares 27,400 Value ($000) $724 Avg Close — Range —
Q1 2015
Shares 27,200 Value ($000) $765 Avg Close — Range —
Q4 2014
Shares 28,500 Value ($000) $809 Avg Close — Range —
Q3 2014
Shares 28,400 Value ($000) $1,241 Avg Close — Range —
Q2 2014
Shares 27,300 Value ($000) $1,433 Avg Close — Range —
Q1 2014
Shares 27,200 Value ($000) $1,371 Avg Close — Range —
Q4 2013
Shares 27,000 Value ($000) $1,442 Avg Close — Range —
Q3 2013
Shares 26,800 Value ($000) $1,475 Avg Close — Range —
Q2 2013
Shares 26,300 Value ($000) $1,369 Avg Close — Range —