Press Release

Quantum to Present at Upcoming Investment Conferences

SAN JOSE, CA, May 26, 2010 (MARKETWIRE via COMTEX) --Quantum Corp. (NYSE: QTM), the leading global specialist in backup, recovery and archive, today announced that it will be presenting at the following conferences:

Cowen and Company 38th Annual Technology Media & Telecom Conference
Event Date:    Thursday, June 3, 2010
Start Time:    8:45 a.m. EDT (5:45 a.m. PDT)
Location:      The New York Palace Hotel
               New York, NY
Webcast:       Live and archived audio webcast of the company's presentation
               will be available on the Investor Events section of Quantum's
               corporate Web site at www.quantum.com/investors.

UBS Global Technology and Services Conference
Event Date:    Wednesday, June 9, 2010
Start Time:    3:30 p.m. EDT (12:30 p.m. PDT)
Location:      Crowne Plaza Times Square
               New York, NY
Webcast:       Live and archived audio webcast of the company's presentation
               will be available on the Investor Events section of Quantum's
               corporate Web site at www.quantum.com/investors.

About Quantum

Quantum Corp. (NYSE: QTM) is the leading global storage company specializing in backup, recovery and archive. Combining focused expertise, customer-driven innovation, and platform independence, Quantum provides a comprehensive, integrated range of disk, tape, and software solutions supported by a world-class sales and service organization. This includes the DXi(TM)-Series, the first disk backup solutions to extend the power of data deduplication and replication across the distributed enterprise. As a long-standing and trusted partner, the company works closely with a broad network of resellers, OEMs and other suppliers to meet customers' evolving data protection needs. Quantum Corp., 1650 Technology Drive, Suite 800, San Jose, CA 95110, (408) 944-4000, www.quantum.com.

Quantum and the Quantum logo are registered trademarks of Quantum Corporation. DXi is a trademark of Quantum Corporation. All other trademarks are the property of their respective owners.

Contact:
Christi Lee
Investor Relations
Quantum Corporation
(408) 944-4450
ir@quantum.com

SOURCE: Quantum Corporation