SUPERTEX INC

CUSIP: 868532102 Class: COM

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q1 2014
Shares 31,843 Value ($000) $1,050 Avg Close — Range —
Q4 2013
Shares 103,764 Value ($000) $2,600 Avg Close — Range —
Q3 2013
Shares 102,875 Value ($000) $2,607 Avg Close — Range —
Q2 2013
Shares 109,108 Value ($000) $2,609 Avg Close — Range —