MIDSTATES PETE CO INC

CUSIP: 59804T100 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2015
Shares 68,624 Value ($000) $58 Avg Close — Range —
Q4 2014
Shares 68,624 Value ($000) $104 Avg Close — Range —
Q3 2014
Shares 68,331 Value ($000) $345 Avg Close — Range —
Q2 2014
Shares 67,841 Value ($000) $490 Avg Close — Range —
Q1 2014
Shares 59,841 Value ($000) $321 Avg Close — Range —
Q4 2013
Shares 59,841 Value ($000) $396 Avg Close — Range —
Q3 2013
Shares 59,441 Value ($000) $305 Avg Close — Range —
Q2 2013
Shares 57,841 Value ($000) $313 Avg Close — Range —
Q1 2013
Shares 41,630 Value ($000) $356 Avg Close — Range —