SILICON LABORATORIES INC. — Director's Dealing 2011

May 19, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SILICON LABORATORIES INC (SLAB)
CIK: 0001038074
Period of Report: 2011-05-17

Reporting Person: SOOCH NAVDEEP S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-17	Common Stock, $0.0001 par value	M	62334	$15.1	Acquired	681791	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-17	Non-Qualified Stock Option (right to buy)	$15.1	M	20834	Disposed	2011-09-21	Common Stock, $0.0001 par value (20834)	Direct
2011-05-17	Non-Qualified Stock Option (right to buy)	$15.1	M	16500	Disposed	2011-09-21	Common Stock, $0.0001 par value (16500)	Direct
2011-05-17	Non-Qualified Stock Option (right to buy)	$15.1	M	25000	Disposed	2011-09-21	Common Stock, $0.0001 par value (25000)	Direct

Footnotes

F1: Option becomes exercisable as it vests in a series of ten (10) successive equal monthly installments. The first installment will vest on the date exercisable.

F2: Not applicable per instruction 4(c)(iii).

F3: Option is one hundred percent (100%) vested and exercisable on the date of grant.

F4: Option becomes exercisable as it vests in a series of sixty (60) successive equal monthly installments measured from the date of grant. The first installment will vest on the date exercisable.