ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2013
Shares 838,750 Value ($000) $14,049 Avg Close — Range —
Q3 2013
Shares 792,098 Value ($000) $13,220 Avg Close — Range —
Q2 2013
Shares 783,327 Value ($000) $10,113 Avg Close — Range —