MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2016

Shares 43,200 Value ($000) $1,305 Avg Close $28.41 Range $22.31 - $32.75

Q3 2016

Shares 145,650 Value ($000) $3,578 Avg Close $24.01 Range $21.52 - $26.37

Q2 2016

Shares 163,340 Value ($000) $4,060 Avg Close $21.50 Range $18.98 - $24.87

Q1 2016

Shares 259,100 Value ($000) $5,260 Avg Close $17.48 Range $15.67 - $20.85

Q4 2015

Shares 238,535 Value ($000) $4,380 Avg Close $18.12 Range $15.52 - $19.99

Q3 2015

Shares 239,885 Value ($000) $3,816 Avg Close $15.14 Range $13.56 - $16.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	43,200	$1,305	$28.41	$22.31 - $32.75
Q3 2016	145,650	$3,578	$24.01	$21.52 - $26.37
Q2 2016	163,340	$4,060	$21.50	$18.98 - $24.87
Q1 2016	259,100	$5,260	$17.48	$15.67 - $20.85
Q4 2015	238,535	$4,380	$18.12	$15.52 - $19.99
Q3 2015	239,885	$3,816	$15.14	$13.56 - $16.44