Ionis to present at upcoming investor conferences

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CARLSBAD, Calif.--(BUSINESS WIRE)--Nov 12, 2025--

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

• Stifel 2025 Healthcare Conference on Thursday, November 13, 2025
• Jefferies Global Healthcare Conference on Tuesday, November 18, 2025

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

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.

View source version on businesswire.com:https://www.businesswire.com/news/home/20251112997928/en/

CONTACT: Ionis Pharmaceuticals Investor Contact:

D. Wade Walke, Ph.D. –[email protected] – 760-603-2331Ionis Pharmaceuticals Media Contact:

Hayley Soffer –[email protected]– 760-603-4679

KEYWORD: UNITED STATES NORTH AMERICA CALIFORNIA

INDUSTRY KEYWORD: HEALTH PHARMACEUTICAL

SOURCE: Ionis Pharmaceuticals, Inc.

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PUB: 11/12/2025 04:00 PM/DISC: 11/12/2025 04:00 PM

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