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$75 Million

Gritstone Oncology, Inc.

Follow-on Offering

Bookrunner, April 2019

Gritstone Oncology, Inc.
Gritstone is an immuno-oncology company developing personalized cancer immunotherapies to fight multiple cancer types. The Company's approach harnesses the natural power of a patient's immune system to recognize tumor-specific neoantigens (TSNA) to destroy tumor cells. GRANITE-001 is the Company's lead product candidate and first personalized immunotherapy. The Company has an ongoing Phase I trial of its personalized immunotherapy regimen for the treatment of metastatic non-small cell lung cancer (NSCLC), microsatellite stable colorectal cancer (CRC-MSS), gastroesophageal adenocarcinoma (GEA) and bladder cancers such as metastatic urothelial cancer (mUC) in combination with checkpoint inhibitors. Gritstone's second candidate is shared neoantigen product SLATE-001, an off-the-shelf, TSNA-directed immunotherapy product candidate that utilizes the same heterologous prime boost approach as GRANITE-001 but contains a fixed cassette with TSNA that are shared across a subset of cancer pathways