Company: ARWR
Filing Date: 2025-01-29
Form Type: ARS
Source: 0001628280-25-002866
Chunk: 152

Company: ARROWHEAD PHARMACEUTICALS, INC.
Filing Date: 2025-01-29
Form: ARS
Chunk 152
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 materials on the website referred to in the Notice of Internet Availability or may request to receive a printed set of our proxy materials. This year’s meeting will be a completely “virtual” meeting of stockholders. If you were a stockholder as of the close of business on the Record Date (as defined below), you can attend the Annual Meeting online, vote your shares electronically, and submit your questions and view our list of stockholders as of the Record Date during the Annual Meeting, by visiting www.virtualshareholdermeeting.com/ARWR2025. You will need to have your 16-digit Control Number included on your Notice of Internet Availability or your proxy card (if you received a printed copy of the proxy materials) to join the Annual Meeting. If your shares are held in street name and your voting instruction form or Notice of Internet Availability indicates that you may vote those shares through www.proxyvote.com, then you may access, participate in, and vote at the Annual Meeting with the 16-digit access code indicated on that voting instruction form or Notice. Otherwise, stockholders who hold their shares in street name should contact their bank, broker or other nominee (preferably at least five days before the Annual Meeting) and obtain a “legal proxy” in order to be able to attend, participate in or vote at the Annual Meeting. The meeting webcast will begin promptly at 10:00 a.m. Pacific Time. Online check-in will begin approximately 15 minutes before then and we encourage you to allow ample time for check-in procedures. If you experience technical difficulties during the check-in process or during the meeting, please call the number listed on the meeting website for technical support. We will endeavor to answer as many stockholder-submitted questions as time permits that comply with the Annual Meeting rules of conduct. We reserve the right to edit profanity or other inappropriate language and to exclude questions regarding topics that are not pertinent to meeting matters or Company business. If we receive substantially similar questions, we may group such questions together and provide a single response to avoid repetition. Additional information regarding the rules and procedures for participating in the Annual Meeting will be set forth in our meeting rules of conduct, which stockholders can view during the meeting at the meeting website. Table of Contents 2025 PROXY STATEMENT General Information Concerning Solicitation and Voting 1

By hosting the Annual Meeting virtually, we believe we can expand access, improve communication and lower costs while reducing the environmental impact of the meeting. Record Date Only holders of record of our common stock at the close