SUPERTEX INC

CUSIP: 868532102 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2014
Shares 1,524 Value ($000) $50 Avg Close — Range —
Q4 2013
Shares 933 Value ($000) $23 Avg Close — Range —
Q3 2013
Shares 85 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 600 Value ($000) $14 Avg Close — Range —