DATA I/O CORP — Director's Dealing 2003

Dec 15, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2003-12-12

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-12-12	Data I/O	S	3500	$3.28	Disposed	405573	Indirect
2003-12-12	Data I/O	S	7600	$3.27	Disposed	860123	Indirect