SILICON LABORATORIES INC. — Director's Dealing 2010

Feb 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SILICON LABORATORIES INC (SLAB)
CIK: 0001038074
Period of Report: 2010-02-15

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-15	Common Stock, $0.0001 par value	F	1507	$45.24	Disposed	119513	Direct
2010-02-15	Common Stock, $0.0001 par value	A	14501	$0.0001	Acquired	134014	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, $0.0001 par value	11000	Indirect
Common Stock, $0.0001 par value	11000	Indirect
Common Stock, $0.0001 par value	11000	Indirect
Common Stock, $0.0001 par value	11000	Indirect

Footnotes

F1: Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person to receive one share of Common Stock per RSU. Thirty-three percent (33%) of the RSUs will vest on the second anniversary of the grant date; the remaining sixty-seven percent (67%) of the RSUs will vest on the third anniversary of the grant date. The grant of RSUs will be settled persuant to the terms of the Issuer's 2009 Stock Incentive Plan.

F2: These shares are held in a trust for the benefit of Reporting Person's child.

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