Disclaimer NO OFFER OR SOLICITATION This presentation is not intended to and does not constitute an offer to
sell or the solicitation of an offer to buy or exchange any securities or a solicitation of any vote or approval in any jurisdiction, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer,
solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. It does not constitute a prospectus or prospectus equivalent document. No offering or sale of securities shall be made
except by means of a prospectus meeting the requirements of Section 10 of the Securities Act, and otherwise in accordance with applicable law. Additional Information and Where to Find It In connection with the proposed transaction (the
“Proposed Transaction”) among Gentherm, Modine Manufacturing Company (“Modine”) and Modine’s Performance Technologies business (“SpinCo”), the parties intend to file relevant materials with the SEC,
including, among other filings, a registration statement on Form S-4 to be filed by Gentherm (the “Form S-4”) that will include a preliminary proxy
statement/prospectus of Gentherm and a definitive proxy statement/prospectus of Gentherm, the latter of which will be mailed to shareholders of Gentherm, and a registration statement on Form 10 to be filed by SpinCo that will incorporate by
reference certain portions of the Form S-4 and will serve as an information statement/prospectus in connection with the spin-off of SpinCo from Modine. INVESTORS AND
SECURITY HOLDERS OF GENTHERM AND MODINE ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS, THE INFORMATION STATEMENT/PROSPECTUS AND ANY OTHER DOCUMENTS THAT WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS,
CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT GENTHERM, MODINE, SPINCO, THE PROPOSED TRANSACTION AND RELATED MATTERS. Investors and security holders will be able to obtain free
copies of the Form S-4 and the proxy statement/prospectus (when available) and other documents filed with the SEC by Gentherm, Modine or SpinCo through the website maintained by the SEC at www.sec.gov. Copies
of the documents filed with the SEC by Gentherm will be available free of charge on Gentherm’s website at ir.Gentherm.com under the tab “Financial Info” and under the heading “SEC Filings.” Copies of the documents filed
with the SEC by Modine andSpinCo will be available free of charge on Modine’s website at investors.Modine.com under the tab “Financials” and under the heading “SEC Filings.” Participants in the Solicitation Gentherm and
Modine and their respective directors and executive officers and other members of management and employees may be considered participants in the solicitation of proxies from Gentherm’s shareholders in connection with the Proposed Transaction
under the rules of the SEC. Information about the directors and executive officers of Gentherm is set forth in its Annual Report on Form 10-K for the year ended December 31, 2025, which was filed with the SEC
on February 19, 2026, and its proxy statement for its 2026 annual meeting of shareholders, which was filed with the SEC April 1, 2026 and supplemented on April 10, 2026. To the extent holdings of Gentherm’s securities by its directors or
executive officers have changed since the amounts set forth in such filings, such changes have been or will be reflected on Initial Statements of Beneficial Ownership on Form 3 or Statements of Beneficial Ownership on Form 4 filed with the SEC.
Information about the directors and executive officers of Gentherm and other information regarding the potential participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise,
will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the Proposed Transaction. Information about the directors and executive officers of Modine is set forth in its Annual Report on Form 10-K for the year ended March 31, 2025, which was filed with the SEC on May 21, 2025, and its proxy statement for its 2025 annual meeting of shareholders, which was filed with the SEC on July 9, 2025. To the extent
holdings of Modine’s securities b y its directors or executive officers have changed since the amounts set forth in such filings, such changes have been or will be reflected on Initial Statements of Beneficial Ownership on Form 3 or Statements
of Beneficial Ownership on Form 4 filed with the SEC. You may obtain these documents (when they become available) free of charge through the website maintained by the SEC at www.sec.gov and from Gentherm’s website and Modine’s website as
described above. Cautionary Statement Regarding Forward-Looking Statements Except for historical information contained herein, statements in this presentation are forward-looking statements that are made by Gentherm Incorporated (the
“Company”) pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements that address future operating, financial or business performance orstrategies or expectations are forward-looking
statements. The forward-looking statements included in this presentation are made as of the date hereof or as of the date specified herein and are based on management’s reasonable expectations and beliefs. In making these statements we rely on
assumptions and analysis based on our experience and perception of historical trends, current conditions and expected future developments, third party informationand projections from sources that management believes to be reputable, as well as other
factors we consider appropriate under the circumstances. Except as required by law, the Company expressly disclaims any obligation or undertaking to update any forward-looking statements to reflect any change in its strategies or expectations with
regard thereto or any change in events, conditions or circumstances on which any such statement is based. The forward-looking statements are subject to a number of significant assumptions, risks, uncertainties (some of which are out of our control)
and other factors that may cause actual results or performance to differ materially from that expressed or implied by such statements. For a discussion of these risks and uncertainties and other factors, please see the Company’s earnings
release (dated April 23, 2026), most recent Annual Report on Form 10 -K and subsequent filings with the Securities and Exchange Commission, including “Risk Factors.” In addition, the business outlook discussed in this presentation does
not include the potential impact of any business combinations, acquisitions, divestitures, strategic investments and other significant transactions that may be completed after the date hereof (except the Proposed Transaction to the extent
specified), each of which may present material risks to the Company’s future business and financial results. Moreover, we operate in a very competitive and rapidly changing environment and new risks emerge from time to time. Proprietary ©
Gentherm 2