DATA I/O CORP — Director's Dealing 2011

May 19, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2011-05-17

Reporting Person: HUME FREDERICK R (Director, PRESIDENT AND CEO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2001-05-17	Non-Qualified Option	$6.02	A	50000	Acquired	2017-05-17	Non-Qualified Option (50000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	153807	Direct

Footnotes

F1: Options vest quarterly over a four year period