5 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENTS OF QUANTUM CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. 1,000 12-MOS 12-MOS 12-MOS MAR-31-1997 MAR-31-1998 MAR-31-1999 APR-1-1996 APR-1-1997 APR-1-1998 MAR-31-1997 MAR-31-1998 MAR-31-1999 345,125 642,150 772,368 0 71,573 24,426 898,087 750,856 658,687 10,610 12,928 12,130 252,802 315,035 271,986 1,688,419 2,025,337 1,927,873 633,897 505,640 563,545 226,691 220,481 291,617 2,158,263 2,438,411 2,483,596 815,578 700,236 682,005 419,018 327,485 344,461 3,888 0 0 0 0 0 459,800 776,291 886,434 426,392 595,731 503,356 2,158,263 2,438,411 2,483,596 5,319,457 5,805,235 4,902,056 5,319,457 5,805,235 4,902,056 4,550,716 4,929,714 7,030,718 4,550,716 4,929,714 4,030,718 527,210 580,136 727,099 0 0 0 47,882 32,753 27,481 200,696 230,815 (185) 52,181 60,014 29,350 148,515 170,801 (29,535) 0 0 0 0 0 0 0 0 0 148,515 170,801 (29,535) 1.27 1.25 (0.18) 1.04 1.07 (0.18)