SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 5,744 Value ($000) $811 Avg Close $143.40 Range $124.76 - $163.43

Q4 2020

Shares 19,200 Value ($000) $2,445 Avg Close $112.65 Range $94.77 - $128.88

Q3 2019

Shares 19,700 Value ($000) $2,193 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 24,400 Value ($000) $2,523 Avg Close $96.50 Range $81.61 - $110.43

Q4 2018

Shares 3,900 Value ($000) $307 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 5,300 Value ($000) $487 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 5,600 Value ($000) $558 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 5,400 Value ($000) $485 Avg Close $94.32 Range $84.48 - $101.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	5,744	$811	$143.40	$124.76 - $163.43
Q4 2020	19,200	$2,445	$112.65	$94.77 - $128.88
Q3 2019	19,700	$2,193	$108.27	$100.42 - $115.29
Q2 2019	24,400	$2,523	$96.50	$81.61 - $110.43
Q4 2018	3,900	$307	$83.13	$73.13 - $93.73
Q3 2018	5,300	$487	$97.73	$90.50 - $108.15
Q2 2018	5,600	$558	$100.00	$85.96 - $110.70
Q1 2018	5,400	$485	$94.32	$84.48 - $101.20