Exhibit 21

QUANTUM CORPORATION

SUBSIDIARIES OF THE REGISTRANT

 

1

   A.C.N. 120.786.012 Pty. Ltd., an Australian company

2

   ADIC Limited, a UK corporation

3

   Advanced Digital Information Corporation, a Washington Corporation

4

   ATL Products Ltd., a United Kingdom corporation

5

   Certance (US) Holdings, Inc., a Delaware corporation

6

   Certance Holdings Corporation, a Delaware corporation

7

   Certance International, a Cayman Islands company

8

   Certance LLC, a Delaware limited liability company

9

   Quantum Beteiligungs GmbH, a Germany corporation

10

   Quantum Boehmenkirch GmbH & Co. KG, a Germany corporation

11

   Quantum Distribution (UK) Limited, a United Kingdom corporation

12

   Quantum GmbH, a German corporation

13

   Quantum India Development Center Private Ltd., an Indian company

14

   Quantum International Inc., a Delaware corporation

15

   Quantum Korea Co. Ltd., a Korean corporation

16

   Quantum Peripherals (Europe) SARL, a Swiss corporation

17

   Quantum Peripherals (Malaysia) Sdn. Bhd., a Malaysian corporation

18

   Quantum SARL, a French corporation

19

   Quantum Storage Australia Pty. Ltd., an Australian corporation

20

   Quantum Storage France, a French corporation

21

   Quantum Storage GmbH., a Swiss corporation

22

   Quantum Storage Japan Corporation, a Japanese corporation

23

   Quantum Storage Singapore Pte. Ltd., a Singapore private company

24

   Quantum Storage UK Ltd., a United Kingdom corporation

25

   Rocksoft Pty. Ltd., an Australian company