AMERICAN SUPERCONDUCTOR CORP

CUSIP: 030111108 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 487,700 Value ($000) $323 Avg Close — Range —
Q4 2014
Shares 487,700 Value ($000) $323 Avg Close — Range —
Q3 2014
Shares 487,700 Value ($000) $688 Avg Close — Range —
Q2 2014
Shares 427,000 Value ($000) $696 Avg Close — Range —
Q1 2014
Shares 404,900 Value ($000) $591 Avg Close — Range —
Q4 2013
Shares 404,900 Value ($000) $603 Avg Close — Range —
Q3 2013
Shares 387,490 Value ($000) $907 Avg Close — Range —
Q2 2013
Shares 371,190 Value ($000) $980 Avg Close — Range —