Note 4 — Shares Used In Computing Diluted Net Income (Loss) Per Share

The weighted average number of shares used to calculate basic and diluted net loss per share attributable to Viasat, Inc. common stockholders was the same for the three and six months ended September 30, 2026 and 2025, as the Company incurred a net loss attributable to Viasat, Inc. common stockholders for such periods and inclusion of potentially dilutive weighted average shares of common stock would be antidilutive.

Potentially dilutive weighted average shares excluded from the calculation for the three months ended September 30, 2026 and 2025 consisted of 51,538 shares and 135,955 shares, respectively, related to stock options, 2,455,465 shares and 268,885 shares, respectively, related to PSOs and market condition PSUs, 4,931,944 shares and 4,115,919 shares, respectively, related to RSUs, 84,152 shares and 127,919 shares, respectively, related to performance condition PSUs, and 236,781 shares and 665,602 shares, respectively, related to certain terms of the Viasat 401(k) Profit Sharing Plan and Employee Stock Purchase Plan.

Potentially dilutive weighted average shares excluded from the calculation for the six months ended September 30, 2026 and 2025 consisted of 54,369 shares and 163,271 shares, respectively, related to stock options, 2,414,304 shares and 243,507 shares, respectively, related to PSOs and market condition PSUs, 5,330,862 shares and 3,678,524 shares, respectively, related to RSUs, 112,689 shares and 149,544 shares, respectively, related to performance condition PSUs, and 331,938 shares and 1,661,895 shares, respectively, related to certain terms of the Viasat 401(k) Profit Sharing Plan and Employee Stock Purchase Plan.