NII Holdings Inc.

Sergio Chaia was recently appointed as the President and CEO of Nextel Brazil. In this position, he oversees the company’s operations in the market while focusing predominantly on fueling company growth through ongoing efforts to provide the most exceptional customer service in the industry. Chaia leads a team of seven vice-presidents covering the company’s Customer Operations, Sales, Engineering, Finance, Legal and Regulatory, Marketing and Human Resources areas, reporting to the Mercosur division. Prior to joining Nextel Brazil, Chaia was the President and CEO for Sodexho Pass Brazil, which he joined in 1996 as Marketing Director. During his time in the company, Sergio contributed to the company’s growth and guided and committed the organization in its entirety to a new business ideal. His track record of success included his position as Human Resources Director and General Manager. Chaia has also worked with Pepsi Cola, as the Marketing Manager for both the Food and Drinks division—initially responsible for the re-launching of the Pepsi brand in Brazil—and Pfizer, as the company’s Senior Product Manager in charge of product launching and repositioning. Chaia has a Business Administration degree from Fundação Getúlio Vargas (FGV) and is a postgraduate in Marketing and Finance, also from FGV. He also participated at the INSEAD General Management Program in France.

Steven P. Dussek assumed the role of Chief Executive Officer of NII Holdings, Inc. on February 11, 2008. As the organization’s newly appointed leader, he will provide corporate governance and guidance to the company in its pursuit of growth opportunities in Latin America. Dussek has served on NII’s Board of Directors since 1999. Dussek was the Chief Executive Officer and Chief Operating Officer of NII Holdings from 1999 to 2000 when it was known as Nextel International and was a subsidiary of Nextel Communications, Inc. Prior to his appointment as Chief Executive Officer of NII Holdings, Dussek was President and Chief Executive Officer of Dobson Communications Corporation. From 2005 to 2007 he led the company to profitability and increased its annual revenues to more than $1.5 billion. Dobson Communications Corporation was later acquired by AT&T. Dussek has also held management and sales positions at various companies, including AT&T Wireless Services, where he was Vice President and General Manager of New Markets and the Northeast Region for the PCS division; Paging Networks, Inc.; McCaw Cellular Communications; and MCI Airsignal. He and his wife, Anne, have three children, Alessandro, Francesca and Nicholas.

Eduardo Gonzalez is President of Nextel Chile since 2000. As the first official employee of the Chile office, he was responsible for overseeing the due diligence proceedings and acquisitions of various Chilean companies with the necessary radio-electric spectrum to enable Nextel to operate within the iDEN network. Additionally, Gonzalez spearheaded the recruitment of the operation's executive management team. In 2006, he launched Nextel's digital service after the company won all legal and regulatory claims resulting from a lengthy dispute with other mobile operators in Chile's courts. Prior to joining Nextel, Gonzalez worked at Motorola for three years. There, he held various management positions in the infrastructure and devices areas. He began his career in the United States and later moved to Chile. Previously, Gonzalez worked with numerous companies in the commercial and technical sectors of Chile. Gonzalez has a bachelor's degree in mechanical engineering from Escuela Politecnica Nacional del Ecuador, a master's in business administration from IEDE Spanish business school, and a post-graduate degree in management and financial strategies from the University of Chile.

Peter Foyo is the President of Nextel de Mexico S. A. de C. V., a subsidiary of NII Holdings, Inc., leading the country’s operations since August 1998. Under Foyo’s leadership Nextel Mexico is an engine of growth and profitability for NII with a client base of over 1.8 million at the end of June 2007. As a result of its performance, Nextel Mexico has been recognized as Mobile Operator of the Year in Latin America by Pyramid Research, as one of the Top 10 operators in Latin America by Frecuencia magazine, and for two consecutive years it was named one of the 50 Most Socially Responsible Companies in the country by Mundo Ejecutivo magazine. Previously, Foyo worked at Alestra as Strategic Corporate Director, and Director of Wireless Planning and Implementation–PCS/WLL. Prior to that he was director of AT&T Argentina, where he was responsible for the company’s administration and operations in Argentina, Chile, and Uruguay. He also participated as a member of the Board of Directors of the Compañia de Telefonos del Interior, representing AT&T. In Argentina, he was in charge of the multinational technical and mobile personnel who established a national cellular network. Foyo studied International Business, Economics, Military Science and Engineering at Benedictine University and Wheaton College in Illinois. He currently resides in Mexico City.

Since December of 2002 Strauss has held the position of Vice President and CTO of NII Holdings, Inc. In this role, he is responsible for the direction and management of the Engineering, Network Operations and Information Technology functions of the company. It has been in great part his innovative vision that has guided the development and expansion of NII Holdings’ network in Latin America. His leadership has guided the company’s ability to bring the push-to-talk offering to an increasing number of strategic markets throughout the region. Strauss’ strategic direction has ensured efficient and effective operations within the company. He joined NII Holdings in March 2001 as Vice President of Corporate Engineering and Network Operations. From 1994 to 2001, Strauss held several senior level positions at Nextel Communications including Vice President and General Manager of Nextel Communication's Strategic Business Operations Group - the team within Nextel responsible for the development and ongoing operation of various joint ventures and partnerships between Nextel, and other wireless operators and investors (most notably Nextel Partners) and Vice President of Operations and Engineering for the North Region of Nextel Communications responsible for Nextel's switching and wireless network, from Maine to Virginia and as far West as Ohio and Michigan. Prior to joining Nextel Communications, Strauss spent 9 years working for MCI Telecommunications in various management roles. He holds a BA from the University of Illinois.

Alfonso Martinez serves as Vice President and Chief Human Resources Officer for NII Holdings, Inc. As such, he is responsible for developing and implementing human capital strategies and practices to improve the company’s performance domestically and globally. He also oversees all human resources functions, ranging from recruiting and training to employee relations and services. Martinez joined the company on December 8, 2008. Previously, he was Group Vice President of Global Talent for Sodexo, an international leader of integrated food and facilities management services. In this role, he was responsible for designing the framework for global talent management, and for the development and succession planning of top executives in the 80 countries where the company operates. Additional duties included talent assessment and performance management among many other talent-related initiatives. Martinez also served as Senior Vice President of Human Resources in a division of Sodexo that generated $1.5B in revenues and had 20,000 employees working across different geographic locations. As an advocate of corporate responsibility, Martinez also represented Sodexo among not-for-profit external organizations such as the National Hispanic Corporate Council, the National Society of Hispanic MBA’s, the Hispanic College Fund, and Catalyst. He also served as a high-ranking official for the Hispanic Association on Corporate Responsibility in Washington, D.C., and the Congressional Hispanic Caucus, among others. Prior to his time at Sodexo, Martinez held various positions in the human resources field spending 15 years at Marriott International in a number of key operational positions, including leading a centralized human resource function servicing 500 hotels throughout the United States. Martinez is a graduate of the University of Denver School of Business and earned a master’s degree in Organizational Development from Johns Hopkins University. He completed one year within the graduate school of government at JHU as well as Corporate Governance coursework at the Harvard Business School, was certified as an MBTI facilitator, and is a professional executive coach.

Greg Santoro serves as Chief Strategy and Marketing Officer for NII Holdings, Inc. where he is responsible for corporate strategy, product marketing and management, and new service development. Santoro coordinates the development of NII’s long term strategic plan and leads key strategic growth initiatives such as mobile data, wireless broadband, and the next generation network program. Additionally, Santoro oversees product management and development, which comprises subscriber equipment portfolio, wireless data and enhanced voice products; and he establishes and drives cross-market marketing, branding, and sales support initiatives necessary to help NII meet its key business objectives. Prior to assuming his new position within NII Holdings, Santoro served as the Vice President of Products and Services for Nextel Communications, Inc where he was responsible for product management for Nextel’s suite of voice, data, digital media and custom network solutions product lines. In this role, he represented enhanced voice services, such as the Direct Connect™ family of Push to Talk™ services, directory assistance and calling features; subscriber units; wireless data services such as messaging, blackberry and mobile office products; enterprise solutions targeted at vertical industries; digital media; and in-building and campus solutions. Santoro was also responsible for Nextel’s e-business services organization, which oversaw the www.nextel.com website, its on-line store and MyNextel customer self-service center. Prior to joining Nextel in 2000 as Vice President of Internet and Wireless Services, he served as Vice President of Product Development at BellSouth.net. There, he was responsible for the management and development of BellSouth’s portfolio of Internet products, including the company’s consumer Internet service BellSouth.net™, business internet access products, consumer ADSL services, and web hosting services. Santoro was a founding member of CTIA’s Wireless Internet Council where he has helped foster cross carrier initiatives to improve the access and breadth of wireless services for all mobile customers in the US and abroad. Santoro has an MBA from JL Kellogg Graduate School of Management and a Masters in Engineering Management from Northwestern University and a BS degree in computer science, cum laude, from the University of Vermont.

Catherine Neel joined NII Holdings in June, 1999 as the Assistant Treasurer and became Treasurer in November, 2002 following NII’s successful restructuring to re-capitalize its balance sheet. During the five years since emerging from restructuring, NII has grown its market capitalization from $50 million to over $13 billion. During her tenure as Treasurer, NII has raised over $2.5 billion in the capital markets through a secondary equity offering, four convertible bond issues and syndicated loans issued from NII’s Mexican and Brazilian subsidiaries. NII has used the proceeds to purchase spectrum, pay off vendor debt, expand the network, and to tender for 13% high yield notes, further de-levering the balance sheet and reducing cost of debt to less than 4.2%. Ms. Neel is responsible for the company’s treasury functions including financing, hedging, foreign exchange and cash management. In addition, Ms. Neel is responsible for the company’s risk management and investor relations functions. Ms. Neel has more than 25 years of financial experience including 18 years in the telecommunications industry. Prior to joining NII Holdings, Ms. Neel held various management positions with BellSouth in the areas of treasury, corporate tax and internal audit. Before her work in telecommunications, Ms. Neel practiced public accounting for 6 years. Ms. Neel has a BS in Accounting from the University of Alabama and an MBA from the College of William and Mary. Ms. Neel is a CPA and resides in Arlington, Virginia.

Daniel E. Freiman has served as the Vice President and Controller of NII Holdings since April 2005. In this role, he is responsible for the company's accounting and reporting functions, including the management of regular financial reporting requirements with the Securities Exchange Commission (SEC), technical accounting, consolidation accounting, corporate accounting, and internal reporting. Additionally, Mr. Freiman assists in the oversight of the company's compliance with the Sarbanes-Oxley Act (SOX). Specifically, he focuses on compliance with the consolidation and external reporting processes. He also manages the external audit process and ensures the smooth operation of the company's back office functions. Prior to his current appointment, Mr. Freiman served in several capacities at NII, first as director of external reporting and then as director of investor relations. As a result of his performance in these roles he was promoted to controller. Mr. Freiman began working for the company in September 2000 as a senior manager overseeing the company's external reporting function (mainly SEC reporting and technical accounting). Before joining NII Holdings, Mr. Freiman was a manager in PricewaterhouseCoopers LLP's audit practice in Washington, D.C. There, he was responsible for planning, overseeing and completing companies' external financial audits predominantly financial services organizations. Mr. Freiman is a certified public accountant and a graduate of the University of Maryland at College Park (UMCP). He earned a Bachelor of Science in Accounting and has an MBA with a concentration in finance from UMCP.

Gary Begeman was appointed Vice President and General Counsel for NII Holdings in February of 2007, reporting directly to Steve Shindler, CEO of NII Holdings. Begeman joined NII Holdings, Inc. in November 2006 prior to which he was a Senior Vice President and Deputy General Counsel of Sprint Nextel Corporation. Begeman was also a vice president of Nextel Communications, Inc. where he served as lead counsel in connection with Nextel and Sprint merger. The executive previously held positions as general counsel of XO Communications, a provider of competitive local telephone services, and as a partner at the Jones Day law firm, focusing on capital formation and merger and acquisition transactions. Begeman is a graduate of the Ohio State University School of Law, where he received a law degree in 1983, and the University of South Dakota, where he received a B.F.A. in music education in 1980.

As Vice President of Business Operations for NII Holdings, Inc, McMahon is responsible for the management and operation of all post sale customer support functions. This includes overseeing Customer Care, Order Fulfillment, and Service & Repair. McMahon is also responsible for all Purchasing and Logistics for NII Holdings, Inc. Throughout Latin America, NII Holdings enjoys an excellent reputation for customer care and service. Under McMahon’s leadership, the company and customers alike have benefited from his dedication to providing quality customer service. As a result, NII Holdings boasts one of the lowest CHURN rates, meaning subscriber turnover rates, at 1.6 percent, in Latin America, ensuring retention of loyal and satisfied subscribers. In addition, his successful business operations have produced average monthly revenue per unit (ARPU) of $58, the highest in the region. Before joining NII Holdings, McMahon served as Vice President of Finance and Business Operations, North Region, for Nextel Communications Inc. In this capacity he was responsible for developing and managing all budgets and financial reporting associated with the 3,000 employee division. In addition, McMahon handled all Fulfillment and Handset Service & Repair functions within the North Region. Prior to joining NII in 1995, McMahon served as Vice President of Financial Planning & Analysis with Shearson Smith Barney at their world headquarters in New York. As a senior lead in the department, he was responsible for coordinating and reporting financial data to the senior leadership team in the company. He was also responsible for leading an internal audit team aimed at decreasing costs and increasing efficiencies throughout the Shearson organization. From 1986 to 1991 McMahon held various positions in Finance and Operations at Shearson Lehman Brothers and EF Hutton. Mr. McMahon received a Bachelor of Science in Finance from the State University of New York, and studied for his Masters in Finance at Fordham University.

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George Cope, 47, is President and Chief Executive Officer of BCE Inc and Bell Canada, focused on driving profitable growth, enhancing customer service and delivering leading communications products to Bell’s national marketplace. Prior to joining Bell Canada in 2005, Mr. Cope was President and Chief Executive Officer of national wireless carrier TELUS Mobility since 2000. Previously, he served as President and Chief Executive Officer of national wireless carrier Clearnet Communications for 13 years. Mr. Cope serves on the Advisory Board of the Richard Ivey School of Business at the University of Western Ontario. A past recipient of Canada’s Top 40 Under 40 Award, Mr. Cope holds a Business Administration (Honours) degree from the University of Western Ontario.

Mr. Dolan has been a Director and member of the Compensation Committee since February 2003. In January 2004, Mr. Dolan was appointed to the Nominating and Corporate Governance Committee, and in February 2005, he was appointed the Chairperson. Mr. Dolan most recently served as Chief Executive Officer of QUALCOMM Flarion Technologies and Senior Vice President at QUALCOMM until January 2008. Mr. Dolan had been Chairman and Chief Executive Officer of Flarion Technologies, Inc., a provider of mobile broadband communications systems, since May 2000, until its acquisition by QUALCOMM in January 2006. From 1996 until May 2000, Mr. Dolan was Chief Operating Officer of NextWave Telecom. Prior to joining NextWave, he was Executive Vice President of Marketing for Bell Atlantic/NYNEX Mobile. Mr. Dolan currently serves on the board of directors of NII Holdings, Inc.