Nektar to Hold Conference Call to Discuss Topline Results from the 36-Week Induction Treatment Period for its REZOLVE-AA Phase 2b Study of Rezpegaldesleukin in Alopecia Areata on December 16, 2025

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SAN FRANCISCO , Dec. 15, 2025 /PRNewswire/ -- Nektar Therapeutics (Nasdaq: NKTR), a clinical-stage biotechnology company focused on development of novel immunology therapies, today announced it will host an investor call and live webcast to review topline results from the 36-week induction treatment period in the ongoing Phase 2b REZOLVE-AA clinical trial of investigational rezpegaldesleukin, a regulatory T-cell (Treg) proliferator, for severe-to-very-severe alopecia areata on Tuesday, December 16, 2025 at 8:00 am ET / 5:00 am PT . Conference Call The results will be provided in a morning press release and presented during the webcast. Interested participants can access the live webcast at this LINK . The event, the press release and the slides will also be available on the events section of the Nektar website at https://ir.nektar.com/events-and-presentations/events . A replay of the webcast will be available for at least 30 days following the event. About Nektar Therapeutics Nektar Therapeutics is a clinical-stage biotechnology company focused on developing treatments that address the underlying immunological dysfunction in autoimmune and chronic inflammatory diseases. Nektar's lead product candidate, rezpegaldesleukin (REZPEG, or NKTR-358), is a novel, first-in-class regulatory T cell stimulator being evaluated in two Phase 2b clinical trials, one in atopic dermatitis, one in alopecia areata, and in one Phase 2 clinical trial in Type 1 diabetes mellitus. Nektar's pipeline also includes a preclinical bivalent tumor necrosis factor receptor type II (TNFR2) antibody and bispecific programs, NKTR-0165 and NKTR-0166, and a modified hematopoietic colony stimulating factor (CSF) protein, NKTR-422. Nektar, together with various partners, is also evaluating NKTR-255, an investigational IL-15 receptor agonist designed to boost the immune system's natural ability to fight cancer, in several ongoing clinical trials. Nektar is headquartered in San Francisco, California . For further information, visit www.nektar.com and follow us on LinkedIn . For Investors: Vivian Wu 628-895-0661 Corey Davis, Ph.D. LifeSci Advisors, LLC [email protected] 212-915-2577 Ahu Demir, Ph.D. LifeSci Advisors, LLC [email protected] 212-915-3820 For Media: Jonathan Pappas LifeSci Communications 857-205-4403 [email protected] View original content to download multimedia: https://www.prnewswire.com/news-releases/nektar-to-hold-conference-call-to-discuss-topline-results-from-the-36-week-induction-treatment-period-for-its-rezolve-aa-phase-2b-study-of-rezpegaldesleukin-in-alopecia-areata-on-december-16-2025-302642737.html SOURCE Nektar Therapeutics

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