SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Barbara Oil Co.'s Holding History (CIK: 0001599670)

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

Q1 2015

Shares 10,700 Value ($000) $543 Avg Close $48.54 Range $42.61 - $52.83

Q4 2014

Shares 17,700 Value ($000) $843 Avg Close $44.13 Range $36.29 - $48.50

Q3 2014

Shares 17,700 Value ($000) $719 Avg Close $43.99 Range $39.28 - $50.05

Q2 2014

Shares 17,700 Value ($000) $872 Avg Close $47.57 Range $42.41 - $53.78

Q1 2014

Shares 17,700 Value ($000) $925 Avg Close $48.31 Range $41.19 - $54.00

Q4 2013

Shares 17,700 Value ($000) $767 Avg Close $40.96 Range $37.57 - $44.19

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	10,700	$543	$48.54	$42.61 - $52.83
Q4 2014	17,700	$843	$44.13	$36.29 - $48.50
Q3 2014	17,700	$719	$43.99	$39.28 - $50.05
Q2 2014	17,700	$872	$47.57	$42.41 - $53.78
Q1 2014	17,700	$925	$48.31	$41.19 - $54.00
Q4 2013	17,700	$767	$40.96	$37.57 - $44.19