THORATEC CORP

CUSIP: 885175307 Class: COM NEW

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q4 2013
Shares 102,345 Value ($000) $3,746 Avg Close — Range —
Q3 2013
Shares 112,256 Value ($000) $4,186 Avg Close — Range —
Q2 2013
Shares 175,716 Value ($000) $5,502 Avg Close — Range —