SILICON LABORATORIES INC. — Director's Dealing 2014

Feb 26, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SILICON LABORATORIES INC (SLAB)
CIK: 0001038074
Period of Report: 2014-02-24

Reporting Person: BOCK WILLIAM G (Director, President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-24	Common Stock, $0.0001 par value	M	20000	$32.98	Acquired	103545	Direct
2014-02-24	Common Stock, $0.0001 par value	S	20000	$51.0292	Disposed	83545	Direct
2014-02-24	Common Stock, $0.0001 par value	M	5000	$50.03	Acquired	88545	Direct
2014-02-24	Common Stock, $0.0001 par value	S	5000	$51.0001	Disposed	83545	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-02-24	Non-Qualified Stock Option (right to buy)	$32.98	M	20000	Disposed	2016-11-08	Common Stock, $0.0001 par value (20000)	Direct
2014-02-24	Non-Qualified Stock Option (right to buy)	$50.03	M	5000	Disposed	2014-04-29	Common Stock, $0.0001 par value (5000)	Direct

Footnotes

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

F2: Price represents the weighted average selling price. Prices range between $51.00 and $51.19.

F3: Price represents the weighted average selling price. Prices range between $51.00 and $51.005.

F4: Option vests and becomes exercisable with respect to (i) twenty percent (20%) of the option shares upon the date exercisable and (ii) the balance of the option shares in a series of forty-eight (48) successive monthly installments over the forty-eight (48) month period measured from the date exercisable.

F5: Option is immediately exercisable but the shares vest upon the Optionee's completion of one year of board service measured from the grant date.

F6: Not applicable per instruction 4(c)(iii).