DATA I/O CORP — Director's Dealing 2007

May 22, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2007-05-21

Reporting Person: DILEO DANIEL A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-21	Common Stock	M	7500	$4.055	Acquired	12500	Direct
2007-05-21	Common Stock	F	4069	$4.055	Disposed	8431	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-21	Non-Qualified Stock Option (right to buy)	$2.20	M	7500	Disposed	2007-06-21	Non-Qualified Stock Option (right to buy) (7500)	Direct

Footnotes

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