ZOLTEK COS INC

CUSIP: 98975W104 Class: CMN

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2013
Shares 12,200 Value ($000) $204 Avg Close — Range —
Q3 2013
Shares 12,200 Value ($000) $204 Avg Close — Range —
Q2 2013
Shares 12,200 Value ($000) $158 Avg Close — Range —