PR Newswire | Sep 9, 2020 07:31AM EDT

09/09 06:30 CDT

Rigel to Present at Two Upcoming Investor Conferences SOUTH SAN FRANCISCO, Calif., Sept. 9, 2020

SOUTH SAN FRANCISCO, Calif., Sept. 9, 2020 /PRNewswire/ -- Rigel Pharmaceuticals (Nasdaq: RIGL) today announced that Dean Schorno, the company's chief financial officer, is scheduled to present a company overview at two virtual investor conferences in September.

Investor Presentations:H.C. Wainwright 22nd Annual Global Investment ConferenceDate:Tuesday, September 15, 2020Time:1:00pm ET/10:00am PT

Cantor Fitzgerald Virtual Global Healthcare Conference 2020Date:Wednesday, September 16, 2020Time:1:20pm ET/10:20am PT

To access these events live or the archived webcasts, go to the Investors section of the company's website at www.rigel.com. Please connect to Rigel's website several minutes prior to the start of the live webcast to ensure adequate time for any software download that may be necessary.

About Rigel (www.rigel.com)Rigel Pharmaceuticals, Inc., is a biotechnology company dedicated to discovering, developing and providing novel small molecule drugs that significantly improve the lives of patients with immune and hematologic disorders, cancer and rare diseases. Rigel's pioneering research focuses on signaling pathways that are critical to disease mechanisms. The company's first FDA approved product is TAVALISSE(r) (fostamatinib disodium hexahydrate) tablets, the only oral spleen tyrosine kinase (SYK) inhibitor, for the treatment of adult patients with chronic immune thrombocytopenia who have had an insufficient response to a previous treatment. The product has been approved by the European Commission for the treatment of chronic immune thrombocytopenia in adult patients who are refractory to other treatments and is marketed in Europe under the name TAVLESSE(r) (fostamatinib). Fostamatinib is currently being studied in an investigator-sponsored trial conducted by Imperial College London for the treatment of COVID-19 pneumonia1.

Rigel's clinical programs include a Phase 3 study of fostamatinib in warm autoimmune hemolytic anemia (AIHA); a completed Phase 1 study of R8351, a proprietary molecule from its interleukin receptor associated kinase (IRAK) inhibitor program; and an ongoing Phase 1 study of R5521, a proprietary molecule from its receptor-interacting protein kinase (RIP) inhibitor program. In addition, Rigel has product candidates in clinical development with partners AstraZeneca, BerGenBio ASA, and Daiichi Sankyo.

Please see www.TAVALISSE.com for the full Prescribing Information.

1The product for this use or indication is investigational and has not been proven safe or effective by any regulatory authority.

IR Contact: David Burke Phone: 650.624.1232Email: dburke@rigel.com

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SOURCE Rigel Pharmaceuticals, Inc.