News Release

NII Holdings to Host Conference Call

RESTON, Va., April 9, 2012 /PRNewswire/ -- NII Holdings, Inc., [NASDAQ: NIHD], will host its first quarter 2012 results conference call with its senior management.

(Logo: http://photos.prnewswire.com/prnh/20110919/FL70458LOGO)

When:	Thursday, April 26, 2012

Time:	8:30 AM - 9:15 AM EDT

Phone:	Domestic	1 866 831.6272 pass-code: NIIHOLDINGS
	International	1 617 213.8859 pass-code: NIIHOLDINGS

All participants are asked to dial in 10-15 minutes prior to the start of the conference call. The call will also be available via webcast, online at www.nii.com on the Investor Relations page. If you are unable to participate, a rebroadcast of the conference call will be available for two weeks following the call.

For a replay of this call, please use the following:
Conference Call Replay:
	Domestic	1 888 286.8010 pass-code: 49825668
	International	1 617 801.6888 pass-code: 49825668

About NII Holdings, Inc.
NII Holdings, Inc., a publicly held company based in Reston, Va., is a provider of differentiated mobile communication services for businesses and high value consumers in Latin America. NII Holdings, operating under the Nextel brand in Brazil, Mexico, Argentina, Peru and Chile, offers fully integrated wireless communications tools with digital cellular voice services, data services, wireless Internet access and Nextel Direct Connect® and International Direct Connect(SM), a digital two-way radio. NII Holdings, a Fortune 500 and Barron's 500 company, trades on the NASDAQ market under the symbol NIHD. Visit the company's website at www.nii.com

Nextel, the Nextel logo and Nextel Direct Connect and International Direct Connect are trademarks and/or service marks of Nextel Communications, Inc., and are used by NII's subsidiaries under license in Latin America.

Visit NII Holding's news room for news and to access our markets' news centers: www.nii.com/newsroom

Media Contacts:

NII Holdings, Inc.
1875 Explorer Street, Suite 1000
Reston, VA. 20190
(703) 390-5100
www.nii.com

Investor Relations: Tim Perrott
(703) 390-5113
tim.perrott@nii.com

Media Relations: Claudia E. Restrepo
(786) 251-7020
claudia.restrepo@nii.com

SOURCE NII Holdings, Inc.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding NII Holdings Inc - PR's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.