Clearwire Corporation (NASDAQ:CLWR) will announce its first quarter 2008 earnings on Monday, May 12. The financial results will be posted at www.newsroom.clearwire.com at approximately 4:05 p.m. EDT. Clearwire executives will host a conference call following the release at 5 p.m. EDT.

A live broadcast of the conference call will be available online on the company’s Investor Relations website located at: http://investors.clearwire.com.

Interested parties can access the conference call by dialing 888-713-4217 or outside the United States, 617-213-4869, five minutes prior to the start time. The passcode for the call is 47287547. To pre-register for the conference call, go to: https://www.theconferencingservice.com/prereg/key.process?key= PW9XNGY8J (Due to its length, this URL may need to be copied/pasted into your Internet browser's address field. Remove the extra space if one exists).

A replay of the call will be available beginning at approximately 7 p.m. EDT on May 12, until approximately midnight EDT on Monday, May 26, by calling 888-286-8010, or outside the United States, dial 617-801-6888. The passcode for the replay is 57294490.

About Clearwire

Clearwire, founded in October 2003 by telecom pioneer Craig O. McCaw, is a provider of simple, portable and reliable wireless high-speed Internet service. Clearwire customers connect to the Internet using licensed spectrum, thus eliminating the confines of traditional cable or phone lines. Headquartered in Kirkland, Wash., the company launched its first market in August 2004 and now offers service in 50 markets across the U.S., as well as in Europe. For more information, visit www.clearwire.com.

Clearwire Corporation
Denise Hartman, 425-216-7970
investorrelations@clearwire.com