UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No.    )

Filed by the Registrant  ☒

Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

SEMTECH CORPORATION

(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):

☒	No fee required.
☐	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:
☐	Fee paid previously with preliminary materials.
☐	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:

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	Online
	Go to www.investorvote.com/SMTC or scan the QR code – login details are located in the shaded bar below.
	Votes submitted electronically must be received by 11:59 p.m. (Eastern Time), on June 10, 2020

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.

Stockholder Meeting Notice 1234 5678 9012 345

Important Notice Regarding the Availability of Proxy Materials for
Semtech Corporation’s Annual Meeting of Stockholders to be Held on June 11, 2020

Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual stockholders’ meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important!

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 proxy statement and annual report to stockholders are available at:

www.investorvote.com/SMTC

	Easy Online Access – View your proxy materials and vote.
	Step 1:	Go to www.investorvote.com/SMTC.
	Step 2:	Click on the icon on the right to view meeting materials.
	Step 3:	Return to the investorvote.com window and follow the instructions on the screen to log in.
	Step 4:	Make your selections as instructed on each screen for your delivery preferences.
	Step 5:	Vote your shares.

When you go online, you can also help the environment by consenting to receive electronic delivery of future materials.

  Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before June 1, 2020 to facilitate timely delivery.

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Stockholder Meeting Notice

Semtech Corporation’s Annual Meeting of Stockholders will be held on June 11, 2020 at

the offices of Semtech Corporation, 200 Flynn Road, Camarillo, CA 93012, at 11:00 a.m. Pacific Time.

Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations.

The Board of Directors recommend a vote FOR all the nominees listed and FOR Proposals 2 and 3:

1.	Election of Directors:
	James P. Burra
	Rodolpho C. Cardenuto
	Bruce C. Edwards
	Saar Gillai
	Rockell N. Hankin
	Ye Jane Li
	James T. Lindstrom
	Mohan R. Maheswaran
	Sylvia Summers
2.	Ratification of the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the 2021 fiscal year.
3.	Advisory resolution to approve executive compensation.

PLEASE NOTE - YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you.

	Here’s how to order a copy of the proxy materials and select delivery preferences:
	Current and future delivery requests can be submitted using the options below.
	If you request an email copy, you will receive an email with a link to the current meeting materials.
	PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials.
	–	Internet - Go to www.investorvote.com/SMTC.
	–	Phone - Call us free of charge at 1-866-641-4276.
	–	Email - Send an email to investorvote@computershare.com with “Proxy Materials Semtech Corporation” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials.
		To facilitate timely delivery, requests for a paper copy of proxy materials must be received by June 1, 2020.