 SOUTH SAN FRANCISCO, Calif., Sept. 2, 2021 PRNewswire -- Rigel Pharmaceuticals, Inc. Nasdaq: RIGL today announced that Raul Rodriguez, the companys president and chief executive officer, and Dean Schorno, the companys chief financial officer, will participate in the following virtual investor conferences in September: Citis 16th Annual Biopharma Conference September 8-10, 2021 Raul Rodriguez will participate in a panel discussion entitled: Sickle Cell, Beta-Thal, ITP PKD - Measuring Industry Progress in Benign Hematology on Friday, September 10 th at 12:30 p.m. 