Meshflow Acquisition Corp

proxy statements to be distributed to Meshflow's shareholders in connection with Meshflow's solicitation for proxies for the vote by Meshflow's shareholders in connection with the Potential Business Combination and other matters as described in the Registration Statement, as well as the prospectus relating to the offer of the securities of the Combined Company in connection with the completion of the Potential Business Combination. After the Registration Statement has been filed and declared effective, Meshflow will mail a definitive proxy statement and other relevant documents to its shareholders as of the record date to be established for voting on the Potential Business Combination. Meshflow's shareholders and other interested persons are advised to read, once available, the preliminary proxy statement/prospectus and any amendments thereto, and the definitive proxy statement/prospectus, in connection with Meshflow's solicitation of proxies for its extraordinary general meeting of shareholders to be held to approve, among other things, the Potential Business Combination, because these documents will contain important information about Meshflow, HGP Intelligent Energy, and the Potential Business Combination. Shareholders may also obtain a copy of the preliminary or definitive proxy statement, once available, as well as other documents filed with the SEC regarding the Potential Business Combination and other documents filed with the SEC by Meshflow, without charge, at the SEC's website located at www.sec.gov or by directing a request to Meshflow Acquisition Corp., at 406 N. Sangamon Street, Chicago, Illinois 60642. Participants in the Solicitation. Meshflow, HGP Intelligent Energy, and their respective directors and executive officers, under SEC rules, may be deemed to be participants in the solicitation of proxies of Meshflow's shareholders in connection with the Potential Business Combination. Investors and security holders may obtain more detailed information regarding Meshflow's directors and executive officers in Meshflow's filings with the SEC, including Meshflow's IPO Prospectus and the other documents filed by Meshflow with the SEC. Information regarding the persons who may, under SEC rules, be deemed participants in the solicitation of proxies to Meshflow's shareholders in connection with the Potential Business Combination, including a description of their direct and indirect interests, which may, in some cases, be different than those of Meshflow's shareholders generally, will be set forth in the Registration Statement. Shareholders, potential investors and other interested persons should read the Registration Statement and any other documents filed in connection with the Potential Business Combination carefully when they become available before making any voting or investment decisions. Trademarks. These Presentation Materials contain trademarks, service marks, trade names and copyrights of third parties, which are the property of their respective owners. The use or display of third parties' trademarks, service marks, trade names or products in these Presentation Materials are not intended to, and do not imply, a relationship with either HGP Intelligent Energy or Meshflow, an endorsement or sponsorship by or of HGP Intelligent Energy or Meshflow, or a guarantee that HGP Intelligent Energy or Meshflow will work or will continue to work with such third parties. Solely for convenience, the trademarks, service marks, trade names and copyrights referred to in these Presentation Materials may appear without the TM, SM, ® or © symbols, but such references are not intended to indicate, in any way, that HGP Intelligent Energy or Meshflow or any third party will not assert, to the fullest extent under applicable law, their rights or the right of the applicable licensor to these trademarks, service marks, trade names and copyrights. Industry and Market Data. Industry and market data used in these Presentation Materials has been obtained from third-party industry publications and sources as well as from research reports prepared for other purposes. Neither Meshflow nor HGP Intelligent Energy has independently verified the data obtained from these sources and cannot assure you of the reasonableness of any assumptions used by these sources or the data's accuracy or completeness. No Incorporation by Reference. The contents of any websites or other citations referenced in these Presentation Materials is not incorporated by reference herein. Risk Factors. For a non-exhaustive description of the risks relating to an investment in a private placement in connection with the Potential Business Combination, please review the Risk Factors Appendix to these Presentation Materials. STRICTLY CONFIDENTIAL AND NOT FOR DISTRIBUTION

3 Private & Confidential SPAC SPONSOR Meet the Meshflow Team Bartosz Lipinski Chairman, CEO & CFO Chairman, CEO and CFO of Meshflow since August 2025; entrepreneur and senior technologist with 15+ years building low-latency trading systems, blockchain infrastructure, and high-availability front-office platforms. Previously led equities application development at Citadel and held engineering roles at BNP Paribas and JPMorgan. At the Solana Foundation he co-launched Metaplex, the leading NFT protocol on Solana. CEO and co-founder of Cube Exchange, a financial infrastructure platform seeking to scale institutional custody, settlement, and exchange infrastructure. Alex Dymala-Dolesky Chief Strategy Officer Chief Strategy Officer since September 2025. Investment Advisor at Canaccord Genuity (2018 to 2021) focused on portfolio construction and capital markets strategy, then Managing Director at Capital Y Management (2021 to 2023). Founded Uranium Digital in 2024, a software company building trading infrastructure and benchmark solutions for the uranium and nuclear fuel markets, where he serves as CEO. Board member and