SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q1 2018

Shares 8,300 Value ($000) $746 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 8,300 Value ($000) $733 Avg Close $89.86 Range $80.17 - $96.93

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	8,300	$746	$94.32	$84.48 - $101.20
Q4 2017	8,300	$733	$89.86	$80.17 - $96.93