Karyopharm to Report First Quarter 2015 Financial Results on May 11, 2015

NEWTON, Mass., May 5, 2015 (GLOBE NEWSWIRE) -- Karyopharm Therapeutics Inc. (Nasdaq:KPTI), a clinical-stage pharmaceutical company, announced today that it will report first quarter 2015 financial results on Monday, May 11, 2015. Karyopharm's management team will host a conference call and audio webcast at 8:30 a.m. ET on Monday, May 11, 2015 to discuss the financial results and recent business developments.

To access the conference call, please dial (855) 437-4406 (local) or (484) 756-4292 (international) at least five minutes prior to the start time and refer to conference ID 41661952. A live audio webcast of the call will be available under "Events & Presentations" in the Investor section of the company's website, investors.karyopharm.com/events.cfm. An archived webcast will be available on the company's website approximately two hours after the event.

About Karyopharm Therapeutics

Karyopharm Therapeutics Inc. (Nasdaq:KPTI) is a clinical-stage pharmaceutical company focused on the discovery and development of novel first-in-class drugs directed against nuclear transport targets for the treatment of cancer and other major diseases. Karyopharm's SINE™ compounds function by binding with and inhibiting the nuclear export protein XPO1 (or CRM1). SINE™ compounds have also shown biological activity in models of cancer, inflammation, autoimmune disease, certain viruses, and wound-healing. Karyopharm was founded by Dr. Sharon Shacham and is located in Newton, Massachusetts. For more information, please visit www.karyopharm.com.

CONTACT: Justin Renz

         (617) 658-0574

         jrenz@karyopharm.com



         Gina Nugent

         (617) 460-3579

         nugentcomm@aol.com

Source: Karyopharm Therapeutics

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