RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q3 2013
Shares 18,125 Value ($000) $219 Avg Close — Range —
Q2 2013
Shares 18,125 Value ($000) $145 Avg Close — Range —