RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

GUGGENHEIM CAPITAL LLC's Holding History (CIK: 0001283072)

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

Q2 2014
Shares 88,078 Value ($000) $771 Avg Close — Range —
Q1 2014
Shares 93,926 Value ($000) $1,060 Avg Close — Range —
Q4 2013
Shares 107,830 Value ($000) $1,073 Avg Close — Range —
Q3 2013
Shares 47,978 Value ($000) $581 Avg Close — Range —
Q2 2013
Shares 44,193 Value ($000) $354 Avg Close — Range —