1 EXHIBIT 11.1 HMT TECHNOLOGY CORPORATION STATEMENT REGARDING COMPUTATION OF NET INCOME PER SHARE (1) (In thousands, except per share data) QUARTER ENDED JUNE 30, ---------------------- 1996 1995 ---- ---- Primary and Fully Diluted: Weighted average shares outstanding for the period.......... 39,965 29,656 Common equivalent shares pursuant to Staff Accounting Bulletin No. 83............................................. -- 5,166 Dilutive options and warrants ............................. 4,050 -- ------- ------- Shares used in computing per share amounts.................. 44,015 34,822 ------- ------- Net income available for common stockholders.............................................. $15,895 $ 2,567 ------- ------- Net income available for common stockholders per share...... $ 0.36 $ .07 ------- ------- (1) Primary and fully diluted calculations are substantially the same 12