Karyopharm to Participate at Upcoming Investor Conferences

NEWTON, Mass. , May 12, 2026 /PRNewswire/ -- Karyopharm Therapeutics Inc. (Nasdaq: KPTI), a commercial-stage pharmaceutical company pioneering novel cancer therapies, today announced that the Company's senior management team will participate in the following investor conferences in May:

H.C. Wainwright 4th Annual BioConnect Investor Conference

Format: Fireside chat

Date: Tuesday, May 19, 2026

Time: 9:00 a.m. ET

RBC 2026 Global Healthcare Conference

Format: Fireside chat

Date: Tuesday, May 19, 2026

Time: 3:35 p.m. ET

A live webcast of the fireside chats can be accessed under "Events & Presentations" in the Investor section of the Company's website, http://investors.karyopharm.com/events-presentations , and will be available for replay following the event.

About Karyopharm Therapeutics

Karyopharm Therapeutics Inc. (Nasdaq: KPTI) is a commercial-stage pharmaceutical company whose dedication to pioneering novel cancer therapies is fueled by a belief in the extraordinary strength and courage of patients with cancer. Since its founding, Karyopharm has been an industry leader in oral compounds that address nuclear export dysregulation, a fundamental mechanism of oncogenesis. Karyopharm's lead compound and first-in-class, oral exportin 1 (XPO1) inhibitor, XPOVIO ^® (selinexor), is approved in the U.S. and marketed by the Company in two oncology indications. It has also received regulatory approvals in various indications in more than 50 ex-U.S. territories and countries, including the European Union, the United Kingdom (as NEXPOVIO ^® ) and China. Karyopharm has a focused pipeline targeting indications in multiple high unmet need cancers, including in multiple myeloma, endometrial cancer, and myelofibrosis. For more information about our people, science and pipeline, please visit www.karyopharm.com , and follow us on LinkedIn and on X at @Karyopharm.

XPOVIO ^® and NEXPOVIO ^® are registered trademarks of Karyopharm Therapeutics Inc.

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SOURCE Karyopharm Therapeutics Inc.