SILICOM LTD

Ticker: SILC CUSIP: M84116108 Class: Foreign Stock

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

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

Q1 2019

Shares 16,837 Value ($000) $644 Avg Close $36.28 Range $30.58 - $40.36

Q4 2018

Shares 41,904 Value ($000) $1,464 Avg Close $39.05 Range $32.10 - $45.50

Q3 2018

Shares 23,883 Value ($000) $969 Avg Close $38.59 Range $36.59 - $44.68

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	16,837	$644	$36.28	$30.58 - $40.36
Q4 2018	41,904	$1,464	$39.05	$32.10 - $45.50
Q3 2018	23,883	$969	$38.59	$36.59 - $44.68