LAREDO PETROLEUM INC

CUSIP: 516806106 Class: COMMON STOCK

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

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

Q1 2014
Shares 75,730 Value ($000) $1,958 Avg Close — Range —
Q4 2013
Shares 114,700 Value ($000) $3,176 Avg Close — Range —
Q3 2013
Shares 75,000 Value ($000) $2,226 Avg Close — Range —
Q2 2013
Shares 75,000 Value ($000) $1,542 Avg Close — Range —