DATA I/O CORP — Director's Dealing 2004

Dec 3, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2004-11-30

Reporting Person: BISCO INDUSTRIES INC (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-11-30	Data I/O	S	100	$3.34	Disposed	739263	Indirect
2004-12-01	Data I/O	S	6000	$3.34	Disposed	733263	Indirect