RICHARDSON ELECTRONICS, LTD. — Director's Dealing 2010

Dec 2, 2010

SEC Form 4/A — Form 4/A

Issuer: RICHARDSON ELECTRONICS LTD/DE (RELL)
CIK: 0000355948
Period of Report: 2010-11-24

Reporting Person: Diddell Wendy (EVP Corporate Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-24	Common Stock	M	1376	$5.03	Acquired	1376	Direct
2010-11-24	Common Stock	S	1376	$10.9069	Disposed	0	Direct
2010-11-24	Common Stock	M	2750	$5.67	Acquired	2750	Direct
2010-11-24	Common Stock	S	2750	$10.9069	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-24	Employee Stock Option (Right to Buy)	$5.03	M	1376	Disposed	2018-10-21	Common Stock (1376)	Direct
2010-11-24	Employee Stock Option (Right to Buy)	$5.67	M	2750	Disposed	2019-10-13	Common Stock (2750)	Direct

Footnotes

F1: The options exercised were incorrectly identified in the reporting person's original Form 4 due to incorrect information provided by the reporting person's broker

F2: The exercise and sale reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person

F3: Partial exercise of an employee stock option of wich 3,000 shares each vested on October 21, 2009 and 2010

F4: Partial exercise of an employee stock option of which 3,000 shares vested on October 13, 2010