Company: PSTV
Filing Date: 2025-03-14
Form Type: PRE 14A
Source: 0001140361-25-008857
Chunk: 7

Company: PLUS THERAPEUTICS, INC.
Filing Date: 2025-03-14
Form: PRE 14A
Chunk 7
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 enter the 15-digit control number included on your proxy card or voting instruction form. Online access to the Special Meeting will open 15 minutes prior to the meeting time to allow time for stockholders to log-in and test their equipment. Please test your internet browser before the Special Meeting to ensure compatibility. A toll-free phone number will be provided to access technical support for the virtual Special Meeting. Technical Disruptions. In the event of any technical disruptions or connectivity issues during the course of the Special Meeting, please allow for some time for the meeting website to refresh automatically, and for the meeting operator to provide verbal updates. Voting by Ballot at the Special Meeting. Although the meeting webcast will begin at [] [9:00 a.m. Eastern Time] on [] , 2025, we encourage you to access the meeting site 15 minutes prior to the start time to allow ample time to log into the meeting webcast and test your computer system. What is the difference between holding shares as a stockholder of record and as a beneficial owner? Many stockholders hold their shares through a stockbroker, bank or other nominee rather than directly in their own name. As summarized below, there are some distinctions between shares held of record and those owned beneficially.

| • | Stockholder of record. If your shares are registered directly in your name with our transfer agent, Broadridge Corporate Issuer Solutions, Inc. (“Broadridge”), you are considered the stockholder of record of those shares and the Notice is being sent directly to you by us. |

| • | Beneficial owner of shares held in street name. If your shares are held in a stock brokerage account or by a bank or other nominee, you are considered the “beneficial owner” of shares held in “street name,” and the Notice is being forwarded to you by your broker or nominee, which is considered, with respect to those shares, the stockholder of record. As the beneficial owner, you have the right to direct your broker how to vote your shares and are also invited to attend the Special Meeting. |

What will constitute a quorum at the Special Meeting? A quorum is the minimum number of shares required to be virtually present or represented by proxy at the Special Meeting to properly hold a meeting of stockholders and conduct business under our Bylaws and Delaware law. The presence at the meeting, virtually or by proxy, of the holders of at least one-third of the shares of our

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TABLE OF CONTENTS

Common Stock issued, outstanding and entitled to vote at