Lyell(LYEL) - 2025 Q4 - Annual Results

Exhibit 99.1 Ronde-cel is an autologous CAR T-cell product candidate with a true 'OR' logic gate to target B cells that express either CD19 or CD20 with full potency and is manufactured with a process that enriches for CD62L-positive cells to generate more naïve and central memory CAR T cells with enhanced stemlike features and antitumor activity. Ronde-cel has received from the U.S. Food and Drug Administration (FDA) Regenerative Medicine Advanced Therapy (RMAT) designation as well as Fast Track designatio ...