Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) today announced that management will participate in fireside chats at the following investor conferences:

Bank of America Securities 2026 Health Care Conference on Tuesday, May 12, 2026
2026 RBC Capital Markets Global Healthcare Conference on Tuesday, May 19, 2026
Goldman Sachs 47th Annual Global Healthcare Conference on Wednesday, June 10, 2026

A live webcast of these presentations can be accessed on the Investors & Media section of the Ionis website at https://ir.ionis.com/events-and-presentations/upcoming-events. Replays will be available on the Ionis website within 48 hours and will be archived for a limited time.

About Ionis Pharmaceuticals, Inc.

For three decades, Ionis has invented medicines that bring better futures to people with serious diseases. Ionis currently has marketed medicines and a leading pipeline in neurology, cardiometabolic disease and select areas of high patient need. As the pioneer in RNA-targeted medicines, Ionis continues to drive innovation in RNA therapies in addition to advancing new approaches in gene editing. A deep understanding of disease biology and industry-leading technology propels our work, coupled with a passion and urgency to deliver life-changing advances for patients. To learn more about Ionis, visit Ionis.com and follow us on X (Twitter), LinkedIn and Instagram.

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Ionis Pharmaceuticals Investor Contact:

D. Wade Walke, Ph.D. – ir@ionis.com – 760-603-2331

Ionis Pharmaceuticals Media Contact:

Hayley Soffer – media@ionis.com – 760-603-4679

Ionis to present at upcoming investor conferences