ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2013
Shares 15,435 Value ($000) $259 Avg Close — Range —
Q3 2013
Shares 25,624 Value ($000) $428 Avg Close — Range —
Q2 2013
Shares 33,307 Value ($000) $430 Avg Close — Range —