-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, B7WVoDU3mjI1aMDAe9N1VJTZgiMSZbb4rZhwafKKNR4CZvHvy2PDhqW800KtP7XN jTejLy0CTrMq7UkYmjqYtg== 0001193125-06-096870.txt : 20060502 0001193125-06-096870.hdr.sgml : 20060502 20060502170028 ACCESSION NUMBER: 0001193125-06-096870 CONFORMED SUBMISSION TYPE: 425 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060502 DATE AS OF CHANGE: 20060502 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ADVANCED DIGITAL INFORMATION CORP CENTRAL INDEX KEY: 0000770403 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 911618616 STATE OF INCORPORATION: WA FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: 425 SEC ACT: 1934 Act SEC FILE NUMBER: 000-21103 FILM NUMBER: 06800244 BUSINESS ADDRESS: STREET 1: P O BOX 97057 STREET 2: 11431 WILLOWS RD CITY: REDMOND STATE: WA ZIP: 98073-9757 BUSINESS PHONE: 4258953232 MAIL ADDRESS: STREET 1: P.O. BOX 97057 STREET 2: P O BOX 97057 CITY: REDMOND STATE: WA ZIP: 98073-9757 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: QUANTUM CORP /DE/ CENTRAL INDEX KEY: 0000709283 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 942665054 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: 425 BUSINESS ADDRESS: STREET 1: 1650 TECHNOLOGY DR STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 4089444000 MAIL ADDRESS: STREET 1: 1650 TECHNOLOGY DR STREET 2: SUITE 700 CITY: SAN JOSE STATE: CA ZIP: 95110 425 1 d425.htm FILED PURSUANT TO RULE 425 Filed pursuant to Rule 425

Filed by Quantum Corporation Pursuant to Rule 425

Under the Securities Act of 1933

And Deemed Filed Pursuant to Rule 14a-12

Under the Securities Exchange Act of 1934

Subject Company: Advanced Digital Information Corporation

Commission File No.: 0-21103

May 2, 2006

Hello,

This afternoon, Quantum announced that it will acquire Advance Digital Information Corp. (ADIC) for approximately $770 million. The acquisition represents a major milestone in Quantum’s strategy to solidify its position as one of the leading independent storage companies, to be a trusted partner for customers around the world and to deliver increased shareholder value by expanding its market access, increasing its growth opportunities and enhancing its financial position. With combined revenues exceeding $1.2 billion over the last four quarters, the newly-formed company will be the largest independent provider of backup, recovery and archive products and services, with the most comprehensive and integrated range of solutions for securely storing, managing, protecting and recovering data in open systems IT environments..

Quantum will hold a conference call today, May 2, 2006, at 2:00 p.m. PDT, to discuss both its planned acquisition of ADIC and fiscal fourth quarter results. You are invited to attend in listen-only mode. Dial-in number: 303-275-2170 (U.S. & International).

We would also be happy to schedule a brief call with a Quantum executive to provide additional information on this announcement or to answer your questions. Please feel free to contact me to schedule an agreeable time. I have also attached the press release for your reference.

Sincerely,

Sean

Sean Lamb

Manager, Public Relations

Quantum Corp.

Additional Information and Where to Find It

Quantum plans to file with the SEC a Registration Statement on Form S 4 in connection with the transaction, and ADIC plans to file with the SEC and mail to its stockholders a Proxy Statement/Prospectus in connection with the transaction. The Registration Statement and the Proxy Statement/Prospectus will contain important information about Quantum, ADIC, the transaction and related matters. Investors and stockholders are urged to read the Registration Statement and the Proxy Statement/Prospectus carefully when they are available. Investors and stockholders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus and other documents filed with the SEC by Quantum and ADIC through the web site maintained by the SEC at www.sec.gov. In addition, investors and stockholders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus from Quantum by contacting Investor Relations at (408) 944-4450 or IR@quantum.com, or from ADIC by contacting Stacie Timmermans at (425) 881-8004 or stacie.timmermans@adic.com.

Quantum and its directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of ADIC in connection with the transaction described herein. Information regarding the special interests of these directors and executive officers in the transaction described herein will be included in the Proxy Statement/Prospectus described above.

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