MACH Strengthens Management Team

LUXEMBOURG, May 25, 2010 - MACH, the leading provider of hub-based mobile communications exchange
solutions, mach.com has appointed Lena Wittbjer to the newly created
position of Head of CEO Office. In this role, Ms Wittbjer will be working
alongside MACH's senior management teams to drive top level decision making
efficiencies for speedy execution. She will also be responsible for
maintaining the company's strong relationships with the GSMA and regulatory
authorities, as well as for driving the company's Quality and Security
initiative.

"MACH's leadership position in the mobile communications industry stems
from its ability to stay ahead of the market and create innovative services
and solutions that both delight and exceed the needs of our customers. We
have created this essential role to ensure a speedy execution of our growth
strategy which will help us to further strengthen our industry leadership
position," said Guy Dubois, President and CEO, MACH. "With her strong
international business background in the mobile industry, and deep
understanding of operational, legal and technical issues and implications,
Lena is ideal for this role and I look forward to welcoming her back to
MACH."

Ms. Wittbjer rejoins MACH from the Luxembourg Ministry of State where she
was Senior Advisor to the Media and Telecommunications department. Prior to
this, she held several CEO and General Manager positions for both established
businesses and start-ups. She has also held a variety of senior management
positions in the areas of strategic business development, communications,
sales, marketing and board membership. Her early career includes a previous 5
year tenure at MACH as one of its first employees.

"Since its inception, MACH has been the market leader in the outsourced
managed roaming services field, creating products and services that increase
and assure mobile operator roaming revenues," said Ms. Wittbjer. "I am
thrilled to be returning at a time when MACH clearly confirms its unique
market position both with its hub-based mobile communications exchange,
HUB-XC(R), and its announced intention to be the leading global provider in
all three areas of the mobile value chain - interconnectivity,
interoperability and settlement."

Ms. Wittbjer holds an International B.Sc. in Business and French from the
Gothenburg School of Economics, Sweden. She is a prominent speaker at
industry and financial analyst conferences and seminars worldwide, and also
lectures MBA students in Entrepreneurship at the University of Luxembourg.

Note to Editors:

1. The mobile value chain, roaming eco-system, hubbing and outsourcing
are among the topics to be discussed at MACH's annual Insights conference
scheduled to take place in Rome from 7-9 June, 2010. For more information and
to sign up to this conference, visit:

www.mach.com/en/Insights-2010

About MACH

MACH operates the world's leading hub-based mobile communications
exchange, uniting the global telecommunications marketplace. MACH HUB-XC(R)
provides the platform for the efficient exchange of mobile traffic, of
service validation, delivery and billing information, and of settlement
transactions. MACH is the largest provider of data and financial clearing
solutions for wireless roaming and operates the world's largest open
connectivity roaming hub, Link2One. Headquartered in Luxembourg, MACH has
offices in 12 countries and employs more than 1,000 people worldwide. MACH
serves more than 650 customers, including Orange, Telefonica, T-Mobile,
Vodafone, Verizon Wireless and Microsoft, as well as enterprise messaging
customers like KLM.

    Enquiries
    MACH
    Eileen Preston, Global PR Manager
    Eipr@mach.com, +44(0)20-7959-8119

Enquiries: MACH, Eileen Preston, Global PR Manager, Eipr at mach.com, +44(0)20-7959-8119