LITTELFUSE INC /DE — Director's Dealing 2018

May 11, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2018-05-11

Reporting Person: MAJOR JOHN E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-11	Common Stock	M	1648	$63.09	Acquired	26254	Direct
2018-05-11	Common Stock	S	1648	$215.86	Disposed	24606	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-11	Stock Option (right to buy)	$63.09	M	1648	Disposed	2019-04-27	Common Stock (1648)	Direct

Footnotes

F1: The shares were sold in multiple transactions at prices ranging from $215.80 to $215.94. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F2: The option for 1,648 shares vested in increments of one third annually beginning on the first anniversary of the April 27, 2012 date of grant.