ROGERS CORP

Ticker: ROG CUSIP: 775133101 Class: COM

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

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

Q1 2017

Shares 28,802 Value ($000) $2,474 Avg Close $81.75 Range $75.93 - $90.45

Q4 2016

Shares 12,505 Value ($000) $961 Avg Close $67.72 Range $51.98 - $78.35

Q3 2016

Shares 6,300 Value ($000) $385 Avg Close $60.70 Range $54.14 - $69.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	28,802	$2,474	$81.75	$75.93 - $90.45
Q4 2016	12,505	$961	$67.72	$51.98 - $78.35
Q3 2016	6,300	$385	$60.70	$54.14 - $69.26