MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

DEPRINCE RACE & ZOLLO INC's Holding History (CIK: 0001008894)

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

Q2 2014

Shares 1,145,637 Value ($000) $35,790 Avg Close $25.69 Range $23.72 - $27.88

Q1 2014

Shares 1,155,031 Value ($000) $34,524 Avg Close $26.46 Range $25.10 - $28.61

Q4 2013

Shares 1,199,843 Value ($000) $35,899 Avg Close $25.51 Range $23.10 - $27.14

Q3 2013

Shares 1,197,458 Value ($000) $31,840 Avg Close $23.28 Range $21.63 - $25.20

Q2 2013

Shares 1,100,238 Value ($000) $29,200 Avg Close $23.45 Range $21.31 - $25.25

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	1,145,637	$35,790	$25.69	$23.72 - $27.88
Q1 2014	1,155,031	$34,524	$26.46	$25.10 - $28.61
Q4 2013	1,199,843	$35,899	$25.51	$23.10 - $27.14
Q3 2013	1,197,458	$31,840	$23.28	$21.63 - $25.20
Q2 2013	1,100,238	$29,200	$23.45	$21.31 - $25.25