SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Dorsey & Whitney Trust CO LLC's Holding History (CIK: 0001384042)

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

Q2 2018

Shares 2,426 Value ($000) $242 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 3,044 Value ($000) $273 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 2,772 Value ($000) $244 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 2,772 Value ($000) $222 Avg Close $74.44 Range $66.35 - $81.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	2,426	$242	$100.00	$85.96 - $110.70
Q1 2018	3,044	$273	$94.32	$84.48 - $101.20
Q4 2017	2,772	$244	$89.86	$80.17 - $96.93
Q3 2017	2,772	$222	$74.44	$66.35 - $81.95