DATA I/O CORP — Director's Dealing 2009

May 14, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2009-05-08

Reporting Person: DILEO DANIEL A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-05-08	common stock	M	7500	$1.885	Acquired	18516	Direct
2009-05-08	common stock	F	4376	$3.23	Disposed	14140	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-05-08	Non-Qualified Option (right to buy)	$1.885	M	7500	Disposed	2009-05-20	Non-Qualified Option (right to buy) (7500)	Direct

Footnotes

F1: This option vests quarterly over a three year period