Transaction Network Services Penetrates South Africa with Peresys

K, 23 August 2005 - Transaction Network Services (TNS) today announced a
partnership arrangement with Peresys, South Africa's leading provider of
technology solutions to financial markets, enabling TNS' global financial
community to trade with Peresys' South African clients.

Under the terms of the arrangement, TNS and Peresys will partner to ensure
seamless trading counterpart connectivity for FIX-based transactions between
South African
buy-side and broker companies and their trading partners in Europe, Asia and
North America.

The partnership will give Peresys' South African customers the ability to
establish high-speed, secure and reliable connectivity with over 1,000
financial community end-points that provide access to over 400 financial
institutions, comprising buy and sell-side organisations, market data and
software vendors, exchanges and alternative trading venues around the world.

Uniquely, 'on net' participants in the enlarged community will be able to
connect to each other within three days.

Ashley Mendelowitz, Managing Director, Peresys commented: "This partnership
is a vital part of our efforts to make the PerFIX Business Process Network
(PerFIX BPN), powered by Cameron Systems, the premier trading gateway into
South Africa's financial markets and to ensure our clients benefit from the
full functionality available within our trading and messaging solutions.

"TNS is widely recognised as one of the world's leading FIX-enabled networks
for electronic trading. Acting on demand amongst brokers and asset managers,
the link fits with our strategy of giving customers choice and flexibility
in how they access their offshore counterparties."

Peresys is South Africa's number one provider of technology solutions to
fund managers, hedge funds, exchanges and exchange members. Operating in the
equities, bonds and derivatives markets, Peresys specialises in providing
FIX related services including market access and order-routing, as well as
securities lending solutions, integration services and research
dissemination.

The Bond Exchange of South Africa (BESA) and the JSE Securities Exchange run
Peresys applications and the country's top twenty-five sell sides and
leading tier-one asset managers are connected to the PerFIX BPN.

Allying with TNS' Secure Trading Extranet will give Peresys access to
prospective new customers and grant TNS' customer base across North America,
Europe, SE Asia and Australasia access to the African continent.

Ashley Mendelowitz said: "The connection with TNS draws on synergies
between the two companies, which have seen both champion early adoption of
the FIX protocol. FIX is being embraced more and more, not only in equities,
but in the fixed income and derivatives spaces as well, and as exchange
controls are relaxed further in South Africa we expect bidirectional
electronic order flow to increase exponentially."

Via TNS' Secure Trading Extranet, participating firms will be able to submit
indications-of-interest, execute direct trades and perform other FIX and
non-FIX based transactions with any participating trading partner.

Deploying TNS' IP network for wider applications including market data and
voice services and wide-area networks, TNS can help financial institutions
achieve straight-through-processing.

Alex Walker, vice president, TNS Financial Markets commented: "We are
delighted to be linking up with Peresys. The partnership supports TNS'
goals of expanding internationally, through organic growth, acquisition and
alliances with third parties."

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