ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2013
Shares 57,142 Value ($000) $958 Avg Close — Range —
Q3 2013
Shares 55,198 Value ($000) $923 Avg Close — Range —
Q2 2013
Shares 54,891 Value ($000) $712 Avg Close — Range —