MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2016

Shares 410,590 Value ($000) $15,147 Avg Close — Range —

Q2 2016

Shares 573,829 Value ($000) $12,200 Avg Close — Range —

Q1 2016

Shares 1,144,283 Value ($000) $23,263 Avg Close — Range —

Q3 2014

Shares 4,071 Value ($000) $83 Avg Close — Range —

Q2 2014

Shares 60,113 Value ($000) $1,297 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	410,590	$15,147	—	—
Q2 2016	573,829	$12,200	—	—
Q1 2016	1,144,283	$23,263	—	—
Q3 2014	4,071	$83	—	—
Q2 2014	60,113	$1,297	—	—