ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2013
Shares 384,915 Value ($000) $6,447 Avg Close — Range —
Q3 2013
Shares 382,084 Value ($000) $6,377 Avg Close — Range —
Q2 2013
Shares 397,136 Value ($000) $5,126 Avg Close — Range —