SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Utah Retirement Systems's Holding History (CIK: 0001548392)

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

Q1 2014

Shares 7,542 Value ($000) $394 Avg Close $48.31 Range $41.19 - $54.00

Q4 2013

Shares 7,542 Value ($000) $326 Avg Close $40.96 Range $37.57 - $44.19

Q3 2013

Shares 7,542 Value ($000) $323 Avg Close $41.35 Range $38.16 - $46.21

Q2 2013

Shares 7,542 Value ($000) $312 Avg Close $41.29 Range $38.04 - $44.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	7,542	$394	$48.31	$41.19 - $54.00
Q4 2013	7,542	$326	$40.96	$37.57 - $44.19
Q3 2013	7,542	$323	$41.35	$38.16 - $46.21
Q2 2013	7,542	$312	$41.29	$38.04 - $44.00