RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

TEXAS PERMANENT SCHOOL FUND CORP's Holding History (CIK: 0001223779)

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

Q3 2014
Shares 21,110 Value ($000) $90 Avg Close — Range —
Q2 2014
Shares 23,535 Value ($000) $206 Avg Close — Range —
Q1 2014
Shares 20,602 Value ($000) $233 Avg Close — Range —
Q4 2013
Shares 18,595 Value ($000) $185 Avg Close — Range —
Q3 2013
Shares 18,694 Value ($000) $226 Avg Close — Range —
Q2 2013
Shares 19,243 Value ($000) $154 Avg Close — Range —
Q1 2013
Shares 19,266 Value ($000) $127 Avg Close — Range —