ILMNIllumina, Inc.

On September 1, 2026, Patricia Leckman, our Chief People Officer, entered into a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on September 1, 2027 and provides for the sale of up to 5,116 shares.

On August 25, 2026, Kevin Pegels, our Chief of Global Operations, entered into a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on September 1, 2027 and provides for the sale of up to 3,900 shares.

On August 14, 2026, Scott Davies, our former Chief Legal Officer, terminated a trading arrangement he had previously adopted with respect to the sale of securities of the Company’s common stock (a “Rule 10b5-1 Trading Arrangement”) in connection with his departure from the Company. Mr. Davies’ Rule 10b5-1 Trading Arrangement was adopted on November 21, 2025, had a termination date of December 28, 2026, and provided for the sale of up to 4,251 shares of common stock pursuant to the terms of the plan.

On May 19, 2026, Jakob Wedel, our Chief Strategy and Corporate Development Officer, entered into a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on May 31, 2028 and provides for the sale of up to 24,553 shares.

On March 3, 2026, Patricia Leckman, our Chief People Officer, entered into a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on March 3, 2027 and provides for the sale of up to 1,567 shares.

On February 26, 2026, Scott Ericksen, our Chief Accounting Officer, entered into a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on February 26, 2027 and provides for the sale of up to 2,271 shares.

On November 11, 2025, Everett Cunningham, our Chief Commercial Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). On February 9, 2026, Mr. Cunningham terminated this new arrangement in connection with his departure from the Company on January 16, 2026. The arrangement provided for the sale of up to 8,118 shares and would have terminated by its terms on November 11, 2026.

On November 21, 2025, Scott Davies, our Chief Legal Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on December 28, 2026 and provides for the sale of up to 4,251 shares.

On November 12, 2025, Patricia Leckman, our Chief People Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on November 12, 2026 and provides for the sale of up to 2,370 shares.

During the quarterly period ended June 30, 2024, the following directors and officers adopted, modified or terminated 10b5-1 plans: • On May 14, 2024, Charles Dadswell, our General Counsel, modified an existing arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The modified arrangement terminates on April 18, 2025 and provides for the sale of up to 8,904 shares.

On November 13, 2024, Patricia Leckman, our Chief People Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on November 14, 2025 and provides for the sale of up to 1,615 shares.

On November 8, 2024, Scott Davies, our Interim General Counsel, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on December 16, 2025 and provides for the sale of up to 3,301 shares.

On November 7, 2024, Jakob Wedel, our Chief Strategy and Corporate Development Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on May 29, 2026 and provides for the sale of up to 3,182 shares.

On November 6, 2024, Frances Arnold, a member of our Board of Directors, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on February 27, 2026 and provides for the sale of up to 120 shares.

On November 22, 2023, Jacob Thaysen, our Chief Executive Officer, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on November 22, 2024 and provides for the purchase of up to $1,000,000 in shares.

On November 16, 2023, Caroline Dorsa, Director, entered in a new arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The arrangement terminates on November 18, 2024 and provides for the purchase of up to $200,000 in shares.