RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q1 2017
Shares 620 Value ($000) $1 Avg Close — Range —
Q4 2016
Shares 620 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 620 Value ($000) $0 Avg Close — Range —
Q2 2016
Shares 620 Value ($000) $0 Avg Close — Range —
Q1 2016
Shares 831 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 831 Value ($000) $1 Avg Close — Range —
Q3 2015
Shares 145 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 145 Value ($000) $0 Avg Close — Range —
Q1 2015
Shares 145 Value ($000) $1 Avg Close — Range —
Q4 2014
Shares 145 Value ($000) $1 Avg Close — Range —
Q2 2014
Shares 540 Value ($000) $5 Avg Close — Range —