Diffusion Pharmaceuticals, Inc.
2023 Special Meeting Proxy Voting
This proxy is solicited by the Board of Directors of Diffusion Pharmaceuticals. The undersigned hereby appoints Robert J. Cobuzzi, Jr., Ph.D., and William Elder, and each or either of them, as the true and lawful attorneys of the undersigned, with full power of substitution and revocation, and hereby authorizes them, and each of them, to represent and to vote, in the manner described below, all of the shares of common stock of Diffusion Pharmaceuticals Inc. that the undersigned is entitled to vote at the special meeting of stockholders to be held at 9:00 a.m. Eastern Time on August 15 and
any adjournment or postponement thereof, conferring authority upon such true and lawful attorneys to vote in their discretion on such other matters as may properly come before the meeting and revoking any proxy heretofore given. The special meeting of stockholders will be held virtually. In order to attend the special meeting, you must register at www.viewproxy.com/DFFN/2023 by 11:59 p.m. Eastern Time on August 13, 2023. On the day of the special meeting, if you have properly registered, you may enter the special meeting by clicking on the link you will be provided, and the password you will receive, via email in your registration confirmation. Further instructions on how to register for, attend, and vote during the special meeting are contained in the accompanying proxy statement/prospectus/information statement in the section titled “How does a Diffusion stockholder attend the special meeting of stockholders of Diffusion to be held? Does a Diffusion stockholder need to register in advance in order to attend the special meeting of stockholders of Diffusion?†|