ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2013
Shares 37,994 Value ($000) $636 Avg Close — Range —
Q3 2013
Shares 40,014 Value ($000) $668 Avg Close — Range —
Q2 2013
Shares 40,287 Value ($000) $520 Avg Close — Range —