SILICON LABORATORIES INC. — Director's Dealing 2011

Jan 20, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SILICON LABORATORIES INC (SLAB)
CIK: 0001038074
Period of Report: 2011-01-18

Reporting Person: Walsh Paul V Jr (VP of Finance & CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-18	Common Stock, $0.0001 par value	M	104	$31.96	Acquired	29315	Direct
2011-01-18	Common Stock, $0.0001 par value	S	104	$49.64	Disposed	29211	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-18	Non-Qualified Stock Option (right to buy)	$31.96	M	104	Disposed	2018-02-15	Common Stock, $0.0001 par value (104)	Direct

Footnotes

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

F2: Option vests and becomes exercisable with respect to (i) twenty-five percent (25%) of the option shares upon the date exercisable and (ii) the balance of the options shares in thirty-six (36) successive monthly installments over the thirty-six (36) month period measured from the date exercisable.

F3: Not applicable per instruction 4(c)(iii).