DATA I/O CORP — Director's Dealing 2004

Mar 2, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2004-03-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-03-01	DATA I/O	S	7450	$3.1971	Disposed	851673	Indirect
2004-03-01	DATA I/O	S	3000	$3.1865	Disposed	399123	Indirect