AMERICAN SUPERCONDUCTOR CORP

CUSIP: 030111108 Class: COM

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

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

Q1 2014
Shares 95,613 Value ($000) $154 Avg Close — Range —
Q4 2013
Shares 88,113 Value ($000) $145 Avg Close — Range —
Q3 2013
Shares 88,113 Value ($000) $206 Avg Close — Range —
Q2 2013
Shares 77,635 Value ($000) $205 Avg Close — Range —
Q1 2013
Shares 67,765 Value ($000) $180 Avg Close — Range —