SUPERTEX INC

CUSIP: 868532102 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2014
Shares 9,740 Value ($000) $321 Avg Close — Range —
Q4 2013
Shares 26,633 Value ($000) $667 Avg Close — Range —
Q3 2013
Shares 28,452 Value ($000) $721 Avg Close — Range —
Q2 2013
Shares 22,563 Value ($000) $540 Avg Close — Range —