SILICOM LTD

Ticker: SILC CUSIP: M84116108 Class: Foreign Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2017

Shares 1,400 Value ($000) $62 Avg Close $49.24 Range $43.56 - $55.66

Q1 2017

Shares 1,000 Value ($000) $50 Avg Close $38.82 Range $34.13 - $50.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	1,400	$62	$49.24	$43.56 - $55.66
Q1 2017	1,000	$50	$38.82	$34.13 - $50.00