SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

OAK RIDGE INVESTMENTS LLC's Holding History (CIK: 0001054554)

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

Q4 2019

Shares 72,104 Value ($000) $8,363 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 81,131 Value ($000) $9,034 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 85,813 Value ($000) $8,873 Avg Close $96.50 Range $81.61 - $110.43

Q1 2019

Shares 90,953 Value ($000) $7,354 Avg Close $83.18 Range $74.01 - $92.62

Q4 2018

Shares 96,090 Value ($000) $7,573 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 102,645 Value ($000) $9,423 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 112,006 Value ($000) $11,156 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 123,100 Value ($000) $11,067 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 162,426 Value ($000) $14,342 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 229,330 Value ($000) $18,323 Avg Close $74.44 Range $66.35 - $81.95

Q2 2017

Shares 607,015 Value ($000) $41,489 Avg Close $72.28 Range $66.85 - $78.45

Q1 2017

Shares 602,773 Value ($000) $44,334 Avg Close $69.95 Range $63.15 - $75.60

Q4 2016

Shares 929,533 Value ($000) $60,420 Avg Close $62.93 Range $55.97 - $68.95

Q3 2016

Shares 1,060,314 Value ($000) $62,347 Avg Close $54.01 Range $45.94 - $59.35

Q2 2016

Shares 1,159,337 Value ($000) $56,507 Avg Close $47.19 Range $42.63 - $51.00

Q1 2016

Shares 1,233,800 Value ($000) $55,472 Avg Close $43.02 Range $36.56 - $48.00

Q4 2015

Shares 1,256,004 Value ($000) $60,967 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 1,257,960 Value ($000) $52,256 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 1,197,422 Value ($000) $64,673 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 1,194,600 Value ($000) $60,650 Avg Close $48.54 Range $42.61 - $52.83

Q4 2014

Shares 1,190,476 Value ($000) $56,690 Avg Close $44.13 Range $36.29 - $48.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	72,104	$8,363	$109.67	$101.93 - $117.39
Q3 2019	81,131	$9,034	$108.27	$100.42 - $115.29
Q2 2019	85,813	$8,873	$96.50	$81.61 - $110.43
Q1 2019	90,953	$7,354	$83.18	$74.01 - $92.62
Q4 2018	96,090	$7,573	$83.13	$73.13 - $93.73
Q3 2018	102,645	$9,423	$97.73	$90.50 - $108.15
Q2 2018	112,006	$11,156	$100.00	$85.96 - $110.70
Q1 2018	123,100	$11,067	$94.32	$84.48 - $101.20
Q4 2017	162,426	$14,342	$89.86	$80.17 - $96.93
Q3 2017	229,330	$18,323	$74.44	$66.35 - $81.95
Q2 2017	607,015	$41,489	$72.28	$66.85 - $78.45
Q1 2017	602,773	$44,334	$69.95	$63.15 - $75.60
Q4 2016	929,533	$60,420	$62.93	$55.97 - $68.95
Q3 2016	1,060,314	$62,347	$54.01	$45.94 - $59.35
Q2 2016	1,159,337	$56,507	$47.19	$42.63 - $51.00
Q1 2016	1,233,800	$55,472	$43.02	$36.56 - $48.00
Q4 2015	1,256,004	$60,967	$49.45	$40.03 - $54.72
Q3 2015	1,257,960	$52,256	$45.65	$39.33 - $55.08
Q2 2015	1,197,422	$64,673	$53.48	$49.62 - $58.54
Q1 2015	1,194,600	$60,650	$48.54	$42.61 - $52.83
Q4 2014	1,190,476	$56,690	$44.13	$36.29 - $48.50