QUANTUM CORP /DE/ — Director's Dealing 2012

May 2, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUANTUM CORP /DE/ (QTM)
CIK: 0000709283
Period of Report: 2012-05-01

Reporting Person: BELLUZZO RICHARD (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-01	Common Stock	F	6113	$2.37	Disposed	593549	Direct

Footnotes

F1: Surrender of shares to satisfy tax withholding obligations upon vesting of restricted stock units granted on 7/1/2010.