SHAREHOLDER ALERT: Levi & Korsinsky, LLP Announces Investigation into Possible Breaches of Fiduciary Duty by the Board of

  SHAREHOLDER ALERT: Levi & Korsinsky, LLP Announces Investigation into
  Possible Breaches of Fiduciary Duty by the Board of Clearwire Corp. in
  Connection with the Proposed Sale of the Company to Sprint Nextel Corp.

Business Wire

NEW YORK -- December 13, 2012

Levi & Korsinsky is investigating the Board of Directors of Clearwire Corp.
(“Clearwire” or the “Company”) (Nasdaq: CLWR) for possible breaches of
fiduciary duty and other violations of state law in connection with the
proposed sale of the Company to Sprint Nextel Corp. (“Sprint”) (NYSE: S).

Click here to learn more about the investigation:
http://zlk.9nl.com/clearwire-clwr/, or call: 877-363-5972. There is no cost or
obligation to you.

Sprint has offered to buy the 49% of Clearwire stock it currently doesn’t own
for $2.90 per share, or approximately $2.1 billion. The investigation concerns
whether Clearwire’s Directors breached their fiduciary duties by failing to
maximize shareholder value in the potential acquisition by Sprint, and whether
Sprint is taking advantage of its position as majority shareholder in order to
purchase the Company at an unfair price.

If you own common stock in Clearwire and wish to obtain additional
information, please contact Joseph E. Levi, Esq. either via email at
jlevi@zlk.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or
visit http://zlk.9nl.com/clearwire-clwr/.

Levi & Korsinsky is a national firm with offices in New York and Washington
D.C. The firm has extensive expertise in prosecuting securities litigation
involving financial fraud, representing investors throughout the nation in
securities and shareholder lawsuits. Attorney advertising. Prior results do
not guarantee similar outcomes.

Contact:

Levi & Korsinsky, LLP
Joseph Levi, Esq.
30 Broad Street - 24th Floor
New York, NY 10004
Tel: (212) 363-7500
Toll Free: (877) 363-5972
Fax: (866) 367-6510
www.zlk.com