RICHARDSON ELECTRONICS, LTD. — Director's Dealing 2011

May 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RICHARDSON ELECTRONICS LTD/DE (RELL)
CIK: 0000355948
Period of Report: 2011-05-16

Reporting Person: MCNALLY KATHLEEN (Sen. VP Marketing Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-16	Common Stock	M	500	$7.76	Acquired	4078	Direct
2011-05-16	Common Stock	S	500	$13.50	Disposed	3578	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-16	Employee Stock Option (Right to Buy)	$7.76	M	500	Disposed	2015-08-30	Common Stock (500)	Direct

Footnotes

F1: Partial exercise of an employee stock option of which 2,000 shares each vested on August 30, 2006, 2007, 2008, 2009, 2010