ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

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

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

Q4 2013
Shares 117,800 Value ($000) $1,972 Avg Close — Range —
Q3 2013
Shares 118,983 Value ($000) $1,986 Avg Close — Range —
Q2 2013
Shares 108,883 Value ($000) $1,406 Avg Close — Range —