UNITED STATES	OMB APPROVAL
SECURITIES AND EXCHANGE COMMISSION	OMB Number: 3235-0059
Washington, D.C. 20549	Expires: January  31, 2008
SCHEDULE 14A	Estimated average burden hours per response... 14

Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No.         )

Filed by the Registrant     x
Filed by a Party other than the Registrant     o
Check the appropriate box:
o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o	Definitive Proxy Statement
x	Definitive Additional Materials
o	Soliciting Material Pursuant to Rule §240.14a-12

SILICON LABORATORIES INC. (Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	1.	Title of each class of securities to which transaction applies:
	2.	Aggregate number of securities to which transaction applies:
	3.	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	4.	Proposed maximum aggregate value of transaction:
	5.	Total fee paid:
		SEC 1913 (04-05)  Persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
o	Fee paid previously with preliminary materials.
o	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	1.	Amount Previously Paid:
	2.	Form, Schedule or Registration Statement No.:
	3.	Filing Party:
	4.	Date Filed:

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be held on 04/24/08.

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting.
The following materials are available for view:

Notice and Proxy Statement and Annual Report

To view this material, have the 12-digit Control #(s) available and visit: www.proxyvote.com

If you want to receive a paper or e-mail copy of the above listed documents you must request one. There is no charge to you for requesting a copy. To facilitate timely delivery please make the request as instructed below on or before 04/10/08.

To request material:      Internet:www.proxyvote.com      Telephone: 1-800-579-1639      **E-mail: Sendmaterial@proxyvote.com

**If requesting material by e-mail please send a blank e-mail with the 12-digit Control # (located on the following page) in the subject line. Requests, instructions and other inquiries will NOT be forwarded to your investment advisor.

		SILICON LABORATORIES INC.
SILICON LABORATORIES INC. 400 WEST CESAR CHAVEZ AUSTIN, TX 78701		Vote In Person Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the Meeting you will need to request a ballot to vote these shares.
		Vote by Internet To vote now by Internet, go to WWW.PROXYVOTE.COM. Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Have your notice in hand when you access the web site and follow the instructions.

Meeting Location
The Annual Meeting for holders as of 02/25/08
is to be held on 04/24/08 at 9:30 A.M. CT at
    Lady Bird Johnson Wildflower Center:
    4801 LaCrosse Avenue
    Austin, TX 78739

FOR MEETING
DIRECTIONS PLEASE
CALL: 512-232-0100

The Lady Bird Johnson Wildflower Center is about 12 miles from downtown Austin.
 
1. Take Loop 1 South (Loop 1 is also known as MOPAC Expressway).
 
2. Continue South past the traffic light at Slaughter Lane.
 
3. Turn left at the next traffic light at La Crosse Avenue.
 
4. The Center is on the right near the end of La Crosse.
 

Voting items
The Board of Directors recommends a vote FOR each of Proposals 1 and 2.

1.	The Election of Directors Class I Nominees: 01)   Navdeep S. Sooch 02)   Laurence G. Walker 03)   William P. Wood
2.	To ratify the appointment of Ernst & Young LLP as the independent registered public accounting firm of Silicon Laboratories Inc. for the fiscal year ending January 3, 2009.