SUPERTEX INC

CUSIP: 868532102 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2014
Shares 10,330 Value ($000) $341 Avg Close — Range —
Q4 2013
Shares 10,659 Value ($000) $267 Avg Close — Range —
Q3 2013
Shares 11,298 Value ($000) $286 Avg Close — Range —
Q2 2013
Shares 10,878 Value ($000) $260 Avg Close — Range —