MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

ALKEON CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001230239)

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

Q1 2018

Shares 528,918 Value ($000) $25,557 Avg Close $47.69 Range $41.64 - $52.59

Q4 2017

Shares 531,918 Value ($000) $27,314 Avg Close $51.31 Range $47.69 - $55.00

Q3 2017

Shares 805,803 Value ($000) $41,805 Avg Close $46.11 Range $39.96 - $52.00

Q2 2017

Shares 805,803 Value ($000) $33,917 Avg Close $39.30 Range $36.09 - $43.15

Q1 2017

Shares 809,217 Value ($000) $31,600 Avg Close $35.55 Range $29.31 - $40.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	528,918	$25,557	$47.69	$41.64 - $52.59
Q4 2017	531,918	$27,314	$51.31	$47.69 - $55.00
Q3 2017	805,803	$41,805	$46.11	$39.96 - $52.00
Q2 2017	805,803	$33,917	$39.30	$36.09 - $43.15
Q1 2017	809,217	$31,600	$35.55	$29.31 - $40.86