Summary of Ionis Pharmaceuticals Conference Call Company Overview - **Company**: Ionis Pharmaceuticals - **Industry**: Biotechnology, specifically focusing on genetic medicines targeting RNA for therapeutics - **Recent Achievements**: Launched two FDA-approved medicines independently in the U.S. in 2025: Tryngolza for Familial Chylomicronemia Syndrome (FCS) and Donidalorsen for hereditary angioedema [2][3] Core Points and Arguments - **Successful Product Launches**: - Tryngolza, the first FDA-approved medicine for FCS, launched successfully in 2025 [2] - Donidalorsen launched as a prophylactic treatment for hereditary angioedema [2] - **Pipeline Progress**: - Announced positive phase three data for severe hypertriglyceridemia and a neurology drug for Alexander disease [3][4] - Anticipating five phase three readouts and two to three FDA approvals in the upcoming year [4] - **Market Opportunity**: - Severe hypertriglyceridemia affects millions in the U.S., with a focus on patients at high risk for acute pancreatitis [7][9] - Plans to target both severely at-risk patients and those with mildly elevated triglycerides [10][11] - **Combination Therapy Potential**: - Exploring combination therapies for managing triglycerides and other cardiovascular risk factors [12][13] - Collaboration with AstraZeneca to combine treatments for TTR cardiomyopathy [14][17] Additional Important Insights - **Self-Administration Preference**: - Patients prefer self-administered treatments, which could enhance market penetration, especially in community settings [20][21] - **Regulatory and Market Dynamics**: - Anticipated inclusion in treatment guidelines for severe hypertriglyceridemia, with a significant patient population of over 3 million in the U.S. [40] - **Spinraza Update**: - Ionis is developing a next-generation Spinraza with once-per-year dosing, expected to re-emerge as a leading treatment for spinal muscular atrophy (SMA) [32][33] - Economic terms for the next-gen product are more favorable, with royalties in the mid-20% range compared to mid-teens for the current compound [34] Conclusion - Ionis Pharmaceuticals is positioned for significant growth with its innovative therapies targeting severe hypertriglyceridemia and SMA. The company is leveraging its unique RNA-targeting platform to address unmet medical needs and expand its market presence through strategic partnerships and a focus on patient convenience.

Q2:2025 Business Update and Financial Results July 30, 2025 Nasdaq: IONS 1 On Today's Earnings Call Eugene Schneider, M.D. Chief Clinical Development Officer Eric Swayze, Ph.D. Executive Vice President, Research 2 Brett Monia, Ph.D. Chief Executive Officer Kyle Jenne Chief Global Product Strategy Officer In this presentation, unless the context requires otherwise, "Ionis," "Company," "we," "our," and "us" refers to Ionis Pharmaceuticals and its subsidiaries. Ionis Pharmaceuticals® is a registered trademark ...