Arrowhead to Present at Upcoming Conferences

PASADENA, Calif.–(BUSINESS WIRE)–

Arrowhead Research Corporation (NASDAQ: ARWR), a biopharmaceutical

company developing targeted RNAi therapeutics, today announced that the

company will present at the following upcoming investor and scientific

conferences.

IBC’s 17th Annual TIDES Conference – San

Diego, May 3-6, 2015

May 5, 4:45 p.m. PDT – Christine Wooddell, Ph.D., group leader

will deliver an oral presentation titled, “A Hepatocyte-Targeted RNAi

Therapeutic for Alpha-1-Antitrypsin Deficiency-Associated Liver Disease

May 6, 12:15 p.m. PDT – David Lewis, Ph.D., chief scientific

officer will deliver an oral presentation titled, “A Targeted

siRNA-Based Therapeutic for the Treatment of Chronic Hepatitis B Virus

Infection

Deutsche Bank 40th Annual Health Care Conference – Boston, May

6-7, 2015

May 7, 2:50 p.m. EDT – Bruce Given, M.D., chief operating officer

will make a corporate presentation

A live webcast of the presentation from the Deutsche Bank conference can

be accessed by visiting the Events section of the company’s website at http://ir.arrowheadresearch.com/events.cfm.

A replay will also be archived on the website.

About Arrowhead Research Corporation

Arrowhead Research Corporation is a biopharmaceutical company developing

targeted RNAi therapeutics. The company is leveraging its proprietary

Dynamic Polyconjugate™ delivery platform to develop targeted drugs based

on the RNA interference mechanism that efficiently silences

disease-causing genes. Arrowhead’s pipeline includes ARC-520 for chronic

hepatitis B virus and ARC-AAT for liver disease associated with Alpha-1

antitrypsin deficiency.

For more information please visit http://www.arrowheadresearch.com,

or follow us on Twitter @ArrowRes.

To be added to the Company’s email list and receive news directly,

please visit http://ir.arrowheadresearch.com/alerts.cfm.

Safe Harbor Statement under the Private Securities Litigation Reform

Act:

This news release contains forward-looking statements within the

meaning of the “safe harbor” provisions of the Private Securities

Litigation Reform Act of 1995. These statements are based upon our

current expectations and speak only as of the date hereof. Our actual

results may differ materially and adversely from those expressed in any

forward-looking statements as a result of various factors and

uncertainties, including our ability to finance our operations, the

future success of our scientific studies, our ability to successfully

develop drug candidates, the timing for starting and completing clinical

trials, actions of the U.S. Food and Drug Administration (FDA) and

similar global regulatory bodies, rapid technological change in our

markets, challenges to the validity of our intellectual property rights,

and the enforcement of our intellectual property rights. Arrowhead

Research Corporation’s most recent Annual Report on Form 10-K and

subsequent Quarterly Reports on Form 10-Q discuss some of the important

risk factors that may affect our business, results of operations and

financial condition. We assume no obligation to update or revise

forward-looking statements to reflect new events or circumstances.

Source: Arrowhead Research Corporation

Arrowhead Research Corporation
Vince Anzalone, CFA
626-304-3400
ir@arrowres.com
or
Investor

Relations:
The Trout Group
Todd James
646-378-2926
ir@arrowres.com
or
Media:
Russo

Partners
Matt Middleman, M.D.
212-845-4272
matt.middleman@russopartnersllc.com

Source: Arrowhead Research Corporation

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