Filed by Clearwire Corporation Pursuant to Rule 425
under the Securities Act of 1933 and
deemed filed pursuant to Rule 14a-12
under the Securities Exchange Act of 1934

Subject Company: New Clearwire Corporation

Commission File Number for the Related Registration
Statement on Form S-4: File No. 333-153128

IMPORTANT ADDITIONAL INFORMATION WILL BE FILED WITH THE SEC

     In connection with the proposed transactions with Sprint Nextel Corporation, a Kansas Corporation (“Sprint”), Intel Corporation, a Delaware corporation (“Intel”), Google Inc., a Delaware corporation (“Google”), Comcast Corporation, a Pennsylvania corporation (“Comcast”), Time Warner Cable Inc., a Delaware corporation (“Time Warner Cable”), and Bright House Networks, LLC, a Delaware limited liability company (“Bright House” and, collectively with Intel, Google, Comcast, Time Warner Cable and Bright House, the “Investors.”), Clearwire Corporation (“Clearwire”) filed a proxy statement concerning the transactions with the U.S. Securities and Exchange Commission (the “SEC”). STOCKHOLDERS OF CLEARWIRE ARE URGED TO READ THE PROXY STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE TRANSACTIONS.

     Investors and security holders will be able to obtain free copies of the proxy statement and other documents filed with the SEC by Clearwire through the web site maintained by the SEC at www.sec.gov. Free copies of the proxy statement, when available, and Clearwire’s other filings with the SEC also may be obtained from Clearwire, by directing a request to Investor Relations at (425) 216-4735. In addition, investors and security holders may access copies of the documents filed with the SEC by Clearwire on Clearwire’s website at www.clearwire.com, when they become available.

     Clearwire, and its directors and executive officers, may be deemed to be participants in the solicitation of proxies from Clearwire’s stockholders with respect to the transactions contemplated by the definitive agreement between Sprint, the Investors and Clearwire. Information regarding Clearwire’s directors and executive officers is contained in Clearwire’s Annual Report on Form 10-K for the year ended December 31, 2007 and its definitive proxy statement filed with the SEC on April 29, 2008 for its 2008 Annual Meeting of Stockholders, which are filed with the SEC. You can obtain free copies of these documents from Clearwire using the contact information set forth above. Additional information regarding interests of such participants will be included in the proxy statement that will be filed with the SEC and available free of charge as indicated above.

Forward-Looking Statements

     This filing contains forward-looking statements that involve risks and uncertainties. The forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include statements about future revenue, profits, cash flows and financial results, the market for Clearwire’s services, future service offerings, change of control, industry trends, client and partner relationships, Clearwire’s operational capabilities, future financial structure, uses of cash, anticipated dilution or accretion of acquisitions or proposed transactions. Actual results may differ materially from those stated in any forward-looking statements based on a number of factors, including the ability of Clearwire to successfully integrate the businesses of Clearwire and its acquisitions or partners; the effectiveness of Clearwire’s implementation of its business plan, the market’s acceptance of Clearwire’s new and existing products and services, risks associated with management of growth, reliance on third parties to supply key components of Clearwire’s services, attraction and retention of employees, variability of quarterly operating results, competitive factors, other risks associated with acquisitions, changes in demand for Clearwire’s service or product offerings, financial stability of Clearwire’s customers, the ability of Clearwire to meet its contractual obligations to customers, including service level and disaster recovery commitments, changes in government laws and regulations; risks associated with rapidly changing technology; the risk that the transactions described above are not consummated; as well as the other risks identified in Clearwire’s filings with the SEC, including, but not limited to, its Annual Report on Form 10-K for the

year ended December 31, 2007 and Quarterly Reports on Form 10-Q, copies of which may be obtained by contacting Clearwire’s Investor Relations department at (425) 216-4735 or at Clearwire’s web site at www.clearwire.com. We undertake no duty to update any forward-looking statement to conform the statement to actual results or changes in Clearwire’s expectations after the date of these filings.

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     On September 9, 2008, John Butler, the CFO of Clearwire Corporation, presented the following presentation at the Jefferies Communications Conference.