SILICON LABORATORIES INC. - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SILICON LABORATORIES INC (SLAB)
CIK: 0001038074
Period of Report: 2010-05-11

Reporting Person: IVESTER JONATHAN D (VP of Worldwide Operations)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-11	Common Stock, $0.0001 par value	S	6000	$47.31	Disposed	130272	Direct
2010-05-11	Common Stock, $0.0001 par value	S	900	$47.31	Disposed	8850	Indirect
2010-05-11	Common Stock, $0.0001 par value	S	900	$47.31	Disposed	8850	Indirect
2010-05-11	Common Stock, $0.0001 par value	S	900	$47.31	Disposed	8850	Indirect
2010-05-11	Common Stock, $0.0001 par value	S	900	$47.31	Disposed	8850	Indirect

F1: Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan.

F2: Includes shares purchased by Reporting Person on April 30, 2010 through the Issuer's Employee Stock Purchase Plan.

F3: These shares are held in a trust for the benefit of Reporting Person's child.

F4: These shares are held in a trust for the benefit of Reporting Person's child. Reporting Person is co-trustee of the trust.