Karyopharm to Participate in Webcast Featuring Endometrial Cancer Key Opinion Leader on June 8, 2026

NEWTON, Mass., June 3, 2026 /PRNewswire/ -- Karyopharm Therapeutics Inc. (Nasdaq: KPTI), a commercial-stage pharmaceutical company pioneering novel cancer therapies, today announced that it will participate in a virtual fireside chat hosted by Cantor on June 8, 2026 at 12:00 p.m. ET. The event will feature the Company's senior management team and Robert Coleman, MD, FACOG, FACS, a globally recognized gynecologist oncologist and Principal Investigator of the Phase 3 XPORT-EC-042 trial.

Institutional investors interested in attending the live event should contact their Cantor representative. A replay of this event will be available on June 8, 2026 at approximately 2:00pm ET under "Events and Presentations" in the Investors & Media section of the Company's website.

About Karyopharm Therapeutics

Karyopharm Therapeutics is a commercial-stage pharmaceutical company pioneering the science of nuclear export inhibition to develop differentiated therapies for patients with cancer. The Company's lead therapy, XPOVIO® (selinexor), is a first-in-class inhibitor of exportin 1 (XPO1). XPOVIO is marketed by the Company in the U.S. for adults with relapsed or refractory multiple myeloma and is approved as XPOVIO or NEXPOVIO® in more than 50 ex-U.S. countries and territories. Building on its leadership in XPO1 biology, Karyopharm is advancing selinexor's potential in hematologic and solid tumor cancers, including in myelofibrosis and TP53 wild-type endometrial cancer. The Company is also exploring opportunities to evaluate XPO1 inhibition across myeloproliferative neoplasms and TP53 wild-type driven solid tumors using next-generation compounds, including eltanexor. Headquartered in Newton, Massachusetts, Karyopharm has an established, efficient and scalable commercial infrastructure to bring novel therapeutic options to patients with cancer. For more information, visit www.karyopharm.com and follow Karyopharm 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.