Welcome to the Hosting Site for Documents related to the Offer To Purchase for Cash All Outstanding Shares of Common Stock of NUVALENT, INC. at $124.00 per share of Class A Common Stock and $124.00 per share of Class B Common Stock by HARMONY ROW ACQUISITION CO., GLAXOSMITHKLINE LLC and GSK PLC

Schedule TO (Tender Offer Statement)

Offer to Purchase

Letter of Transmittal

Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and other Nominees

Letter to Brokers, Dealers, Commercial Banks, Trust Companies and other Nominees

Schedule 14D-9

Tender Offer Amendment #1

Tender Offer Amendment #2

Schedule 14D-9 Amendment #1

This website is neither an offer to purchase nor a solicitation of an offer to sell any issued and outstanding shares of Class A Common Stock, par value $0.0001 per share (the "Class A Shares", or Class B Common Stock, par value $0.0001 per share (the "Class B Shares" and, together with the Class A Shares, the "Shares"), of Nuvalent, Inc., a Delaware corporation. Such offer is made solely pursuant to an Offer to Purchase, dated June 24, 2026, and the related Letter of Transmittal and any amendments or supplements to such Offer to Purchase or Letter of Transmittal and is being made to all holders of Shares. No offer will be made (nor will tenders be accepted from or on behalf of) holders of Shares in any jurisdiction in which the making such offer or the acceptance thereof would not be in compliance with the securities, "blue sky" or other laws of such jurisdiction. If you hold your Shares in street name through a broker, dealer, commercial bank, trust company or other nominee, please contact the institution that holds your Shares to receive detailed instructions regarding the treatment of your Shares.