Rigel to Present at Keystone Symposia Conference

SOUTH SAN FRANCISCO, Calif., Jan. 23 /PRNewswire-FirstCall/ -- Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL) today announced that it will be presenting at the Keystone Symposia conference on Multiple Sclerosis taking place this week in Santa Fe, New Mexico.

Presentation Date: Sunday, January 25, 2009

Time: 2:30 - 4:30pm

Session: Workshop 2: New Therapeutic Approaches to MS

Presentation Title: The orally bioavailable Protein Kinase C Inhibitor RGE-80 can abrogate EAE disease induction and ameliorates disease in a therapeutic setting

About Rigel (http://www.rigel.com)

Rigel is a clinical-stage drug development company that discovers and develops novel, small-molecule drugs for the treatment of inflammatory/autoimmune diseases and cancer, as well as viral and metabolic diseases. Our pioneering research focuses on intracellular signaling pathways and related targets that are critical to disease mechanisms. Rigel's productivity has resulted in strategic collaborations with large pharmaceutical partners to develop and market our product candidates. Rigel has product development programs in inflammatory/autoimmune diseases such as rheumatoid arthritis, thrombocytopenia and asthma, as well as in cancer.

Contact: Raul Rodriguez

Phone: 650.624.1302

Email: invrel@rigel.com

SOURCE Rigel Pharmaceuticals, Inc.

Released January 23, 2009