VIAVI SOLUTIONS INC.

Rule 10b5-1 Trading Arrangements

On September 8, 2025, Kevin Siebert, Senior Vice President, General Counsel and Secretary of VIAVI, entered into a prearranged trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of an indeterminable number of shares of common stock. Mr. Siebert’s plan begins on September 8, 2025, and expires when all of the shares are sold or on January 14, 2026, whichever occurs first. The earliest date that sales could occur under this plan is December 8, 2025.

On September 10, 2025, Richard John Burns, Director of VIAVI, entered into a prearranged trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of 3,384 shares of common stock. Mr. Burns’ plan begins on September 10, 2025, and expires on January 16, 2026. The earliest date that sales could occur under this plan is November 7, 2025.

On September 10, 2025, Eugenia M. Corrales, Director of VIAVI, entered into a prearranged trading plan that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of 3,384 shares of common stock. Ms. Corrales’ plan begins on September 10, 2025, and expires on January 16, 2026. The earliest date that sales could occur under this plan is November 7, 2025.

None of VIAVI’s other directors or Section 16 officers adopted, modified orterminated a trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or a “non-Rule” 10b5–1 trading arrangement, as those terms are defined in Regulation S-K, Item 408, during the fiscal quarter ended September 27, 2025.