Company Announcements

Webcast scheduled for Friday, May 31 at 8:00 a.m. Eastern Time

CARLSBAD, Calif. , May 28, 2024 /PRNewswire/ -- Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) announced today that it will host a live webcast on Friday, May 31^th at 8:00 a.m. Eastern Time to discuss the donidalorsen Phase 3 OASIS-HAE and OASISplus (Open-Label Extension and Switch cohorts) study results that will be presented in three late-breaking oral presentations at the 2024 European Academy of Allergy and Clinical Immunology (EAACI) Annual Meeting in Valencia, Spain.

The webcast may be accessed at https://ir.ionispharma.com/events-and-presentations/upcoming-events. A replay will be available for a limited time at the same address.

About Ionis Pharmaceuticals, Inc.
For three decades, Ionis has invented medicines that bring better futures to people with serious diseases. Ionis currently has five marketed medicines and a leading pipeline in neurology, cardiology, and other 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 Ionispharma.com and follow us on X (Twitter) and LinkedIn.

Ionis Pharmaceuticals Investor Contact:
D. Wade Walke, Ph.D. – info@ionisph.com – 760-603-2331

Ionis Pharmaceuticals Media Contact:
Hayley Soffer – CorporateCommunications@ionisph.com – 760-603-4679

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SOURCE Ionis Pharmaceuticals, Inc.