RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

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

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

Q4 2014
Shares 15,553 Value ($000) $71 Avg Close — Range —
Q1 2014
Shares 54,659 Value ($000) $618 Avg Close — Range —