THORATEC CORP

CUSIP: 885175307 Class: COM NEW

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

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

Q3 2015
Shares 1,864 Value ($000) $118 Avg Close — Range —
Q2 2015
Shares 185,011 Value ($000) $8,246 Avg Close — Range —
Q1 2015
Shares 191,516 Value ($000) $8,022 Avg Close — Range —
Q4 2014
Shares 208,590 Value ($000) $6,771 Avg Close — Range —
Q3 2014
Shares 319,518 Value ($000) $8,541 Avg Close — Range —
Q2 2014
Shares 470,404 Value ($000) $16,398 Avg Close — Range —
Q1 2014
Shares 476,263 Value ($000) $17,055 Avg Close — Range —
Q4 2013
Shares 422,958 Value ($000) $15,481 Avg Close — Range —
Q3 2013
Shares 357,031 Value ($000) $13,314 Avg Close — Range —
Q2 2013
Shares 281,200 Value ($000) $8,804 Avg Close — Range —