DATA I/O CORP — Director's Dealing 2004

Feb 2, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2004-01-31

Reporting Person: HATLEN JOEL S (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-01-31	Common Stock	J	2827	$2.6528	Acquired	78203	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2500	Indirect
Common Stock	2500	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Option (right to buy)	$3.4845	2004-01-12	Common Stock (25000)	119000	Direct

Footnotes

F1: Shares were acquired through the Company's 1982 Employee Stock Purchase Plan.

F2: Options expired on 1/12/04.