On August 30, 2018 Arrowhead Pharmaceuticals Inc. (NASDAQ: ARWR) reported that it is scheduled to
present at the following upcoming events (Press release, Arrowhead Pharmaceuticals, AUG 30, 2018, View Source [SID1234529190]):

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Annual B. Riley FBR Healthcare Conference– New York, September 4, 2018
Bruce Given, M.D., Arrowhead’s chief operating officer, and Vincent Anzalone, CFA, vice president of investo relations, will participate in three panel
discussions

18th World Gastroenterologists Summit – Auckland, New Zealand, September 7-8, 2018
September 7, 09:45 a.m. NZST – Dr. Given will deliver a keynote presentation titled, "Hepatitis B in focus: New biology, new targets and real hope for finite therapy"

European Respiratory Society International Congress 2018 – Paris, September 15-19, 2018
September 16, 12:15 p.m. CEST –Erik Bush, Ph.D., Arrowhead’s director of extra-hepatic targeting, will deliver an oral presentation titled, " Targeting

ENaC with an epithelial RNAi trigger delivery platform for the treatment of cystic fibrosis"

Antivirals: Targeting HBV and Beyond – Boston, September 25, 2018
September 25, 12:00 p.m. EDT –James Hamilton, M.D., Arrowhead’s vice president of clinical development, will deliver an oral presentation titled, "Using siRNA to target the HBV transcriptome"

A copy of presentation materials may be accessed on the Events and Presentations page under the Investors section of the Arrowhead website after the presentations conclude.