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10/08/14 10:08 AM

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ARWR news out.

Arrowhead to Present ARC-520 Phase 2a Data in Late-Breaking Session at AASLD Liver Meeting® 2014
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Arrowhead Research Corp. (MM) (NASDAQ:ARWR)
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Today : Wednesday 8 October 2014
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Arrowhead Research Corporation (NASDAQ: ARWR), a biopharmaceutical company developing targeted RNAi therapeutics, today announced that data from the ongoing Phase 2a study of ARC-520, its RNAi therapeutic candidate for the treatment of chronic hepatitis B (HBV) infection, will be presented in the late-breaking poster session at the 2014 American Association for the Study of Liver Diseases (AASLD) Liver Meeting being held on November 7-11, 2014, in Boston. Arrowhead was also selected to deliver a plenary presentation with new preclinical efficacy data on ARC-AAT, its RNAi therapeutic candidate for the treatment of liver disease associated with Alpha-1 antitrypsin deficiency. Additional details including abstracts for both presentations can be found in The Liver Meeting section of the AASLD website at http://www.aasld.org/livermeeting/Pages/default.aspx.

“ARC-520 represents a novel approach for the treatment of HBV with the potential to achieve functional cures,” said Christopher Anzalone, Ph.D., Arrowhead’s President and Chief Executive Officer. “Our ongoing Phase 2a dose finding study is an important step, and in cohort 1 at a dose of 1 mg/mg and cohort 2 at 2 mg/kg we saw a clear reduction in HBsAg, the surface antigen of HBV. Data collection for HBsAg reduction in cohort 3 at 3 mg/kg is still ongoing, however we are pleased to report that all three dose levels have been well tolerated in patients. These results give us great confidence as we move forward with designing and initiating several upcoming Phase 2b studies of ARC-520 and the ARC-AAT Phase 1 study.”

Arrowhead presentations can be attended during the following times:

9:15 a.m. EST, Nov. 10, Plenary Session, John B. Hynes Convention Center, Auditorium – An oral presentation titled, “A hepatocyte-targeted RNAi-based treatment for liver disease associated with alpha-1 antitrypsin deficiency,” will be presented by Christine Wooddell, Ph.D., Group Leader, Arrowhead Research, Madison, Wis.

8 a.m. to 5:30 p.m. EST, Nov. 10, Late-Breaking Poster Session, John B. Hynes Convention Center, Hall C – A poster presentation titled, “Phase II, dose ranging study of ARC-520, a siRNA-based therapeutic, in patients with chronic hepatitis B virus infection,” will be presented by Man-Fung Yuen, M.D., Ph.D., Chair of Gastroenterology and Hepatology, and Li Shu Fan Medical Foundation Professor in Medicine, The University of Hong Kong.