Silicon Labs Accelerates Revenue Growth in First Quarter 2022

Non-GAAP Financial Measurements

In addition to the GAAP results provided throughout this document, Silicon Labs has provided non-GAAP financial measurements on a basis excluding non-cash and other charges and benefits. Details of these excluded items are presented in the tables below, which reconcile the GAAP results to non-GAAP financial measurements.

The non-GAAP financial measurements do not replace the presentation of Silicon Labs' GAAP financial results. These measurements provide supplemental information to assist management and investors in analyzing Silicon Labs' financial position and results of operations. Silicon Labs has chosen to provide this information to investors to enable them to perform meaningful comparisons of past, present and future operating results and as a means to emphasize the results of core on-going operations.

Unaudited Reconciliation of GAAP to Non-GAAP Financial Measures (In thousands, except per share data)

	Three Months Ended April 2, 2022
Non-GAAP Income Statement Items	GAAP Measure	GAAP Percent of Revenue	Stock Compensation Expense	Intangible Asset Amortization	Non-GAAP Measure	Non-GAAP Percent of Revenue
Revenues	$233,814

Gross profit	155,772	66.6%	$272	$ --	$156,044	66.7%

Research and development	77,542	33.2%	6,991	7,570	62,981	26.9%

Selling, general and administrative	44,647	19.0%	5,613	2,781	36,253	15.5%

Operating income	33,583	14.4%	12,876	10,351	56,810	24.3%

	Three Months Ended April 2, 2022
Non-GAAP Earnings Per Share	GAAP Measure	Stock Compensation Expense*	Intangible Asset Amortization*	Equity-Method Investment Adjustments*	Income Tax Adjustments	Non- GAAP Measure
Net income	$22,907	$12,876	$10,351	$(1,194)	$(3,410)	$41,530

Diluted shares outstanding	39,523					39,523

Diluted earnings per share	0.58					1.05

* Represents pre-tax amounts

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