Timing of Reverse Stock Split
The timing and exact ratio of the Reverse Stock Split will be determined by the Board without further approval or authorization of AlloVirs stockholders
and included in a public announcement once determined.
No Offer or Solicitation
This communication does not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities nor a solicitation of any vote or
approval with respect to the proposed merger or otherwise, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws
of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, and otherwise in accordance with applicable law.
Additional Information and Where to Find It
This
communication relates to the Reverse Stock Split in connection with the proposed merger involving AlloVir and Kalaris Therapeutics, Inc. (Kalaris) and may be deemed to be solicitation material in respect of the proposed merger and
Reverse Stock Split. In connection with the proposed merger and Reverse Stock Split, AlloVir has filed relevant materials with the SEC, including a definitive proxy statement regarding the reverse stock split (the Reverse Split Proxy
Statement), a registration statement on Form S-4 (the Form S-4) which contains a proxy statement (the Merger Proxy Statement, together with
the Reverse Split Proxy Statement, collectively, the Proxy Statements) and prospectus. This communication is not a substitute for the Form S-4, the Proxy Statements or for any other document that
AlloVir may file with the SEC and or send to AlloVirs stockholders in connection with the proposed merger and the Reverse Stock Split. BEFORE MAKING ANY VOTING DECISION, INVESTORS AND SECURITY HOLDERS OF ALLOVIR ARE URGED TO READ THE FORM S-4, THE PROXY STATEMENTS AND OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT ALLOVIR, THE PROPOSED MERGER, THE REVERSE STOCK SPLIT AND RELATED
MATTERS.
Investors and security holders will be able to obtain free copies of the Form S-4, the Proxy Statements
and other documents filed by AlloVir with the SEC through the website maintained by the SEC at http://www.sec.gov. Copies of the documents filed by AlloVir with the SEC will also be available free of charge on AlloVirs website at
www.allovir.com, or by contacting AlloVirs Investor Relations at ir@allovir.com.
Participants in the Solicitation
AlloVir, Kalaris, and their respective directors and certain of their executive officers and other members of management may be considered participants in the
solicitation of proxies from AlloVirs stockholders with respect to the proposed merger under the rules of the SEC. Information about the directors and executive officers of AlloVir is set forth in its Annual Report on Form 10-K for the year ended December 31, 2023, which was filed with the SEC on March 15, 2024, subsequent Quarterly Reports on Form 10-Q , the definitive proxy statement
for AlloVirs 2024 annual meeting of stockholders, which was filed with the SEC on April 23, 2024 and other documents that may be filed from time to time with the SEC. Additional information regarding the persons who may be deemed
participants in the proxy solicitations, including about the directors and executive officers of Kalaris, and a description of their direct and indirect interests, by security holdings or otherwise, have been included in the Form S-4, the Proxy Statements and other relevant materials to be filed with the SEC when they become available. You may obtain free copies of these documents as described above.