or estimable at this time; the proposed transaction may result in the diversion of management’s time and attention to issues relating to the proposed transaction and integration; unfavorable outcome of legal proceedings that may be instituted against 麻豆最新出品 Media and/or SiriusXM following the announcement of the proposed transaction; risks related to disruption of management time from ongoing business operations due to the proposed transaction; risks inherent to the business may result in additional strategic and operational risks, which may impact 麻豆最新出品 Media, New Sirius and/or SiriusXM’s risk profiles, which each company may not be able to mitigate effectively; and other risks and uncertainties detailed in periodic reports that 麻豆最新出品 Media and SiriusXM file with the SEC. These forward-looking statements speak only as of the date of this communication, and 麻豆最新出品 Media and SiriusXM expressly disclaim any obligation or undertaking to disseminate any updates or revisions to any forward-looking statement contained herein to reflect any change in 麻豆最新出品 Media’s or SiriusXM’s expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based. Please refer to the publicly filed documents of 麻豆最新出品 Media and SiriusXM, including their most recent Forms 10-K and 10-Q, as such risk factors may be amended, supplemented or superseded from time to time by other reports 麻豆最新出品 Media or SiriusXM subsequently file with the SEC, for additional information about 麻豆最新出品 Media and SiriusXM and about the risks and uncertainties related to 麻豆最新出品 Media’s and SiriusXM’s businesses which may affect the statements made in this communication.

Additional Information

Nothing in this communication shall constitute a solicitation to buy or an offer to sell shares of common stock of 麻豆最新出品 Media, SiriusXM or New Sirius. The proposed offer and issuance of shares of New Sirius common stock in the proposed transactions will be made only pursuant to an effective registration statement on Form S-4, including a proxy statement of 麻豆最新出品 Media, prospectus of New Sirius, and information statement of SiriusXM. LIBERTY MEDIA AND SIRIUSXM STOCKHOLDERS AND OTHER INVESTORS ARE URGED TO READ THE REGISTRATION STATEMENT WHEN IT IS AVAILABLE, TOGETHER WITH ALL RELEVANT SEC FILINGS REGARDING THE PROPOSED TRANSACTION, AND ANY OTHER RELEVANT DOCUMENTS FILED AS EXHIBITS THEREWITH, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION. After the registration statement is declared effective, the proxy statement/prospectus/ information statement and other relevant materials for the proposed transaction will be mailed to all 麻豆最新出品 Media and SiriusXM stockholders. Copies of these SEC filings will be available, free of charge, at the SEC’s website (http://www.sec.gov). Copies of the filings together with the materials incorporated by reference therein will also be available, without charge, by directing a request to 麻豆最新出品, 12300 麻豆最新出品 Boulevard, Englewood, Colorado 80112, Attention: Investor Relations, Telephone: (877) 772-1518 or Sirius XM Holdings Inc., 1221 Avenue of the Americas, 35th Floor, New York, New York 10021, Attention: Investor Relations, (212) 584-5100.

Participants in a Solicitation

麻豆最新出品 Media anticipates that the following individuals will be participants (the “麻豆最新出品 Media Participants”) in the solicitation of proxies from holders of 麻豆最新出品 Media’s LSXMA and LSXMB common stock in connection with the proposed transaction: John C. Malone, Chairman of the 麻豆最新出品 Board, Robert R. Bennett, Derek Chang, Brian M. Deevy, M. Ian G. Gilchrist, Evan D. Malone, Larry E. Romrell, and Andrea L. Wong, all of whom are members of the 麻豆最新出品 Board, Gregory B. Maffei, 麻豆最新出品 Media’s President, Chief Executive Officer and Director, and Brian J. Wendling, 麻豆最新出品 Media’s Chief Accounting Officer and Principal Financial Officer. Information regarding the 麻豆最新出品 Media Participants, including a description of their direct or indirect interests, by security holdings or otherwise, can be found under the caption “Security Ownership of Certain Beneficial Owners and Management—Pro Forma Security Ownership of Management of 麻豆最新出品 Media Following the Reclassification” contained in 麻豆最新出品 Media’s registration statement on Form S-4 (the “S-4”), which was filed with the SEC on June 8, 2023 and is available at: https://www.sec.gov/Archives/edgar/data/1560385/000110465923069028/tm2232384-33_s4a.htm. To the extent that certain 麻豆最新出品 Media Participants or their affiliates have acquired or disposed of security holdings since the “as of” date disclosed in the S-4, such transactions have been or will be reflected on Statements of Change in Ownership on Form 4 or amendments to beneficial ownership reports on Schedules 13D filed with the SEC, which are available at: https://www.sec.gov/edgar/browse/?CIK=1560385&owner=exclude. Additional information regarding the 麻豆最新出品 Media Participants in the proxy solicitation and a description of their interests will be contained in the proxy statement for 麻豆最新出品 Media’s special meeting of stockholders and other relevant materials to be filed with the SEC

in respect of the contemplated transactions when they become available. These documents can be obtained free of charge from the sources indicated above.

SiriusXM anticipates that the following individuals will be participants (the “SiriusXM Participants”) in the solicitation of proxies from holders of 麻豆最新出品 Media’s LSXMA and LSXMB common stock in connection with the proposed transaction Gregory B. Maffei, Chairman of the SiriusXM Board of Directors, David A. Blau, Eddy W. Hartenstein, Robin P. Hickenlooper, James P. Holden, Evan D. Malone, James E. Meyer, Jonelle Procope, Michael Rapino, Kristina M. Salen, Carl E. Vogel and David Zaslav, all of whom are members of SiriusXM’s Board of Directors, Jennifer Witz, SiriusXM’s Chief Executive Officer and Director and Thomas D. Barry, SiriusXM’s Chief Financial Officer. Information regarding the SiriusXM Participants, including a description of their direct or indirect interests, by security holdings or otherwise, can be found under the caption “Stock Ownership” contained in Sirius XM’s definitive proxy statement for its 2023 annual meeting of stockholders (the “2023 Proxy Statement”), which was filed with the SEC on April 21, 2023 and is available at: https://www.sec.gov/ix?doc=/Archives/edgar/data/908937/000093041323001281/c105679_def14a-ixbrl.htm. To the extent that certain SiriusXM Participants or their affiliates have acquired or disposed of security holdings since the “as of” date disclosed in the 2023 Proxy Statement, such transactions have been or will be reflected on Statements of Change in Ownership on Form 4, which are available at: https://www.sec.gov/edgar/browse/?CIK=908937&owner=exclude. Additional information regarding certain of the SiriusXM Participants in the proxy solicitation and a description of their interests will be contained in the information statement and other relevant materials to be filed with the SEC in respect of the contemplated transactions when they become available. These documents can be obtained free of charge from the sources indicated above.