MENTOR GRAPHICS CORP

CUSIP: 58720010 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 433,320 Value ($000) $11,457 Avg Close — Range —
Q2 2016
Shares 622,723 Value ($000) $13,239 Avg Close — Range —
Q1 2016
Shares 418,306 Value ($000) $8,504 Avg Close — Range —
Q4 2015
Shares 185,300 Value ($000) $3,413 Avg Close — Range —
Q4 2014
Shares 65,601 Value ($000) $1,438 Avg Close — Range —
Q3 2014
Shares 51,982 Value ($000) $1,065 Avg Close — Range —
Q2 2014
Shares 665,027 Value ($000) $14,345 Avg Close — Range —
Q1 2014
Shares 722,272 Value ($000) $15,904 Avg Close — Range —
Q4 2013
Shares 736,458 Value ($000) $17,727 Avg Close — Range —
Q3 2013
Shares 497,874 Value ($000) $11,635 Avg Close — Range —
Q2 2013
Shares 565,901 Value ($000) $11,063 Avg Close — Range —