DATA I/O CORP — Director's Dealing 2007

May 21, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2007-05-17

Reporting Person: WALKER WILLIAM R (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-17	Non-Qualified Stock Option (right to buy)	$3.685	A	12500	Acquired	2013-05-17	Non-Qualified Stock Option (right to buy) (12500)	Direct

Footnotes

F1: This option vests quarterly over a three year period.