DATA I/O CORP — Director's Dealing 2010

Jun 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2010-06-04

Reporting Person: HATLEN JOEL S (CHIEF FINANCIAL OFFICER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-06-04	Common Stock	M	17500	$2.93	Acquired	148626	Direct
2010-06-04	Common Stock	F	11855	$4.325	Disposed	136771	Direct
2010-06-04	Common Stock	S	2803	$4.325	Disposed	133968	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-06-04	Non-Qualified Stock Option (right to buy)	$2.93	M	17500	Disposed	2010-06-17	Non-Qualified Stock Option (right to buy) (17500)	Direct

Footnotes

F1: This option vests quarterly over a four year period

F2: There are 2.500 shares of continued indirect holdings due to 2,500 shares owned by my son.