LITTELFUSE INC /DE — Director's Dealing 2012

Feb 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2012-02-09

Reporting Person: FERBERT H DALSEN (V.P. & G.M. Electrical Div.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-09	Common Stock	A	3071	$41.22	Acquired	16607	Direct
2012-02-09	Common Stock	D	3071	$55.67	Disposed	13536	Direct
2012-02-09	Common Stock	A	6600	$36.33	Acquired	20136	Direct
2012-02-09	Common Stock	D	6600	$55.67	Disposed	13536	Direct
2012-02-09	Common Stock	A	2067	$42.13	Acquired	15603	Direct
2012-02-09	Common Stock	D	2067	$55.67	Disposed	13536	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-09	Stock Option (Right to Buy)	$41.22	M	3071	Disposed	2014-04-27	Common Stock (3071)	Direct
2012-02-09	Stock Option (Right to Buy)	$36.33	M	6600	Disposed	2015-04-25	Common Stock (6600)	Direct
2012-02-09	Stock Option (Right to Buy)	$42.13	M	2067	Disposed	2017-04-30	Common Stock (2067)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$13.88	2016-04-24	Common Stock (11100)	11100	Direct
Stock Option (Right to Buy)	$62.21	2018-04-29	Common Stock (5500)	5500	Direct