OnePIN Launches CallerXchange Mobile Social Address Book Service to 16 Million Vodafone Subscribers

Mobile social address book service enables subscribers to extend social networks with one click on their phones

BOSTON, February 12 - OnePIN, Inc., the world's leading provider of social address book
solutions, today announced that Vodafone is enabling their 16 million mobile
subscribers in Turkey to extend their social networks with one-click on their
mobile phones thanks to CallerXchange, OnePIN's contact exchange service.
This peer-to-peer service, branded as Vodafone Kartvizit, allows users to
easily connect and stay connected to friends, family and business associates
- enhancing the value of mobile phonebooks.

With CallerXchange, Vodafone subscribers can conveniently choose to
exchange contact information immediately after a phone call with one click.
Subscribers are prompted to opt-in to the service at socially relevant times,
which has driven significant usage. Since launch, subscribers have found
value in sharing multiple points of contact beyond just their mobile number
in order to stay connected with friends, family and colleagues.

Recipients of a CallerXchange message can easily click to add their
friend's details directly into their phonebook. CallerXchange automatically
ensures that information in subscribers' phonebooks is kept up to date,
allowing subscribers to keep in touch with friends even if their information
changes. With an enriched phonebook, Vodafone subscribers can use their
mobile phone as a hub for social networking; resulting in increased
communication via calls, SMS, emails and data services.

"CallerXchange enables Vodafone subscribers to transform phone calls to
friends into social connections; enabling people to stay connected to more
friends and have more ways to connect to each friend," said OnePIN CEO and
founder Feyzi Celik. "We are very excited to see the strong uptake of the
service in the market. After only a few months of commercial launch at
Vodafone, CallerXchange has already connected over 2 million subscribers and
is outperforming revenue expectations."

The CallerXchange service is a value-added service now available on all
of Vodafone's new SIM cards that leverage Vodafone's new 3G network. The
service is interoperable across handsets and networks and is compatible with
any operator around the world.

About OnePIN, Inc.

OnePIN's technology transforms mobile phonebooks into social address
books, improving customer retention while increasing voice and data revenue
for mobile operators. OnePIN's CallerXchange connects people and enhances
social networks. With customers around the globe, OnePIN is the world leader
in social address book solutions. www.onepin.com.

Christopher DeGrace, +1-508-475-1000, onepinmarketing at onepin.com