THORATEC CORP

CUSIP: 885175307 Class: COM NEW

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q2 2014
Shares 7,360 Value ($000) $257 Avg Close — Range —
Q1 2014
Shares 7,210 Value ($000) $259 Avg Close — Range —
Q4 2013
Shares 6,203 Value ($000) $228 Avg Close — Range —