"
On Monday, May 8, 2006, Henry C.1 million, or $(2.

eurosic payment

, PAYMENTS 2006, NACHA's annual
conference on electronic payments, will be held this year in San Diego,
California from May 7 -10 at the San Diego Convention Center. New this
year is a Card Solutions track focusing on the issues, challenges,
opportunities and trends associated with card-based solutions for payment and
payment-related business needs.

cheque cheques

A.L.S.2 million shares of Class A
Common Stock outstanding.

payments settlement

"Our participation in the
Image Payments Network is consistent with our commitment to leverage
innovation to increase our competitiveness in the marketplace.
(http://www. Services include local and regional check exchange and settlement
services; ACH association and operations; large-value "wire" payments;
electronic check presentment; and an image exchange. Our board of directors and management are focused on
executing our strategic plan, which we believe is in the long-term
best interest of the Company and all of our stockholders. TSA
has not received any such credible expressions of interest regarding a
sale or change of control of the Company.

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, KeyCorp,
LaSalle Bank, M+T, National City Corp.

NACHA 's PAYMENTS 2006 Conference is May 7-10 2006 in San Diego California

TSA has approximately 38.

entities governed

In December, the
Image Payments Network set new volume records and reported $3.5
trillion per day . The back-office conversion
proposal, if implemented, could accelerate this convergence.
In addition to Card Solutions, the other educational tracks are The
Payments Biz, Corporate Payment Solutions, Automated Clearing House, eCheck,
and Global Focus.

subsidiary payments

"The more
institutions that join the Image Payments Network, the greater the benefits to
all.C. The advent of
successful payment products such as remote deposit and ARC offers the
tantalizing possibility of joint check and ACH collection services.org.

Transaction Systems Architects Responds to JANA Partners LLC

While TSA is not for sale,
the Company's board of directors, consistent with its fiduciary
duties, will carefully consider any credible expressions of interest
regarding a sale or change of control of the Company if and when any
such expressions of interest are received.

About Transaction Systems Architects , Inc.

chips eurosic

319. NACHA represents more than 11,000 financial
institutions through direct memberships and a network of regional payments
associations, and 650 organizations through its industry councils .----Responding to a
public statement issued by JANA Partners LLC on February 14, 2005,
Gregory D."
TSA is in the process of executing its strategy of building a
premier electronic payments software company.59 per share at the end of fiscal 2004, a compound
annual growth rate of over 43 percent. Purchases will be made from time to time as
market and business conditions warrant, in open market, negotiated or
block transactions, in accordance with applicable laws, rules and
regulations .

Forward-Looking Statements

Statements included in this press release may contain
forward -looking statements.

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For more information about the SVPCO Image Payments Network, contact Susan
Goold, Director, Products and Services, SVPCO-Electronic Clearing Services,
201. Financial institutions
of all sizes benefit from payment systems that meet the highest standards for
reliability , security and service. Bank,
Wachovia Bank, and Wells Fargo Bank.23, which included a net
one -time tax benefit of $.
"Our board, with input from our financial advisors, remains
focused on enhancing our capital structure," said Mr. "Given TSA's strong balance sheet and cash
flow, the stock repurchase program represents an excellent use of
capital and reflects our commitment to enhancing stockholder value,"
Mr.

eurozone messaging

, Union Bank of California, Wachovia
Corp. and Wells Fargo.7 million in total monthly items, an
increase of 33 percent compared to November 2005. The network provides encryption to ensure that all customer
data remains private and secure.

About NACHA - The Electronic Payments Association
NACHA is the leading organization in developing electronic solutions to
improve the payments system. As
previously announced, TSA's board of directors has approved a stock
repurchase program authorizing it to acquire up to $80 million of its
Class A Common Stock .
In its letter, JANA stated that they "know of at least two
credible strategic buyers that have expressed interest in buying the
Company at a meaningful premium to the current stock price" and that
"these potential partners have been discouraged and rebuffed by the
TSAI board. The forward -looking statements in this
press release are subject to a variety of risks and uncertainties.

governed investing

5554 , susan.

euro clearing

"The participation of HSBC Bank USA in the Image Payments Network will
create immediate benefits for both institutions, including the opportunity to
exchange images with the Federal Reserve, EDS and other institutions already
utilizing the network," said Susan Long, Senior Vice President of The Clearing
House, responsible for SVPCO-Electronic Clearing Services. Through its relationship with the Federal Reserve, the
Image Payments Network can reach more than 10,000 endpoints and help financial
institutions of all sizes take advantage of image exchange.
The Image Payments Network is the nation's private-sector volume leader in
image payments by dollar value and total number of items. financial
institutions and hundreds of international participants with payment services
that span the entire spectrum of paper, paper-to-electronic and electronic
payments.

clearings deposit

"
In addition to HSBC, participants in the Image Payments Network include
Bank of America, Comercia, EDS , Fifth Third, JPMorgan Chase + Co.org) is a private-sector, global payment systems
infrastructure that clears and settles 25 million payments for more than $1. (Nasdaq:TSAI), said: "TSA is not
for sale. Over the same period,
the Company's stock price improved from $6.

apca cheques

L. Financial institutions can see their net debit or
credit position online and view their position with all of the institutions
participating in the Image Payments Network at any time.theclearinghouse.
Actual results could differ materially.

euro deposit

"
The Image Payments Network is a single, end-to-end system that provides
unparalleled control, security and processing efficiency for transmitting and
settling check images directly between industry participants. banking affiliates: Bank of
America, The Bank of New York, Bank of Tokyo-Mitsubishi /Union Bank of
California, BB+T, City National Bank, Citibank, Citizens Bank, Comerica Bank,
Deutsche Bank, First-Citizens Bank, HSBC Bank USA, JPMorgan Chase Bank,
KeyBank, LaSalle Bank, M+T Bank, National City Bank, PNC Bank, UBS, U. NACHA
develops operating rules and business practices for the Automated Clearing
House (ACH) Network and for electronic payments in the areas of Internet
commerce, electronic bill and invoice presentment and payment (EBPP, EIPP), e-
checks, financial electronic data interchange (EDI), international payments,
and electronic benefits transfer (EBT). Such forward-looking statements are made
pursuant to the safe-harbor provisions of the Private Securities
Litigation Reform Act of 1995.

interbank cheques

swift eurozone

(NYSE: HBC)
is now exchanging and settling check images through the SVPCO Image Payments
Network.
"The SVPCO Image Payments Network is a strategic opportunity for HSBC to
realize the long-term efficiencies of image exchange," said Tom Kaiser, Senior
Vice President of Transaction Services at HSBC. Industry Agenda: Check and ACH Alignment

HERNDON, Va .nacha.

Business Editors

OMAHA, Neb.

settlement messaging

C.
Automated settlement provides real-time net and bilateral settlement position
reporting and eliminates the manual intervention required with other
settlement arrangements.
"Changes come so quickly in the payments industry that knowledge of the
latest developments is now the currency of success," said Elliott C. Sessions include numerous case studies from financial
institutions and companies, original research findings from consulting and
research firms, as well as a NACHA State of the Union.nacha.org/conferences/Payments2006.
For a detailed discussion of these and other risk factors,
interested parties should review the Company 's filings with the
Securities and Exchange Commission, including the Company's Form 10-K
filed on December 14, 2004 and the Form 10-Q filed on February 8,
2005.

connects apca

The network
enables financial institutions to exchange and settle check images peer-to-
peer without a cumbersome central processing system, thus eliminating the
expense of transporting physical checks.
All financial institutions that exchange images directly with each other
via the Image Payments Network utilize the automated settlement function.
PAYMENTS 2006 will offer more than 160 educational sessions and workshops
featuring speakers from financial institutions, companies, government
agencies, consulting and research firms, and service providers. Derkacht. The Company's solutions are used on more than 1,740
product systems in 78 countries on six continents.

telecommunication interbank

How the Image Payments Network Works
Image exchange and settlement are conducted through SVPCO's Distributed
Traffic Agent (DTA ), a solution developed by SVPCO with VECTORsgi, one of its
strategic technology partners.goold@svpco .
A solution-intensive exhibit hall will showcase the latest products and
services in electronic payments from more than 100 exhibitors.
Complete information about PAYMENTS 2006 is available on NACHA's web site
at http://www.

payments competitor

About The Clearing House Payments Company
The Clearing House Payments Company L."
On Tuesday, May 9, NACHA will present an Industry Agenda , looking at the
future prospects for convergence among check and ACH payments.

In the course of
executing that strategy, management has improved the Company's
financial results from an operating loss of $56.8
million, or earnings per diluted share of $1. Its products
are used to process transactions involving credit cards, debit cards,
secure electronic commerce, mobile commerce , smart cards, secure
electronic document delivery and payment, checks, high-value money
transfers , bulk payment clearing and settlement, and enterprise
e-infrastructure.

eurosic apca

, today announced that HSBC Bank USA, N.5 billion in
daily average dollar value, an increase of 14 percent compared to November
2005; $73 billion in total monthly dollar value, an increase of 20 percent
compared to November 2005; 555,0000 in daily average items, an increase of 27
percent compared to November 2005; and 11 . The DTA enables financial institutions to
transmit check images directly to each other cost effectively . McEntee,
President and Chief Executive Officer of NACHA - The Electronic Payments
Association . Visit NACHA on the Internet at
http://www. Derkacht, President and Chief Executive Officer of
Transaction Systems Architects, Inc.35)
per diluted share, for fiscal 2001, to operating income of $54.

governed eurosic

com.S . "PAYMENTS 2006 is the premier payments industry conference
providing the know-how for organizations and professionals to adapt to and
manage changes. (Ric) Duques, Chairman and CEO of First
Data Corporation, will deliver a keynote address entitled "Shaping the Future
of Electronic Payments.

These
services could enable businesses and financial institutions to take advantage
of best-clearing decisioning on every check.

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The DTA works
in conjunction with existing item-processing systems to link institutions into
the network and enables institutions to directly exchange payloads of
electronic images.S.

telecommunication cheque

HSBC Bank USA N.A. Now Using SVPCO Image Payments Network

Twelve Large Banks, Federal Reserve and EDS Now Exchanging Check Images
Through the Image Payments Network

NEW YORK, SVPCO - Electronic Clearing Services, the
electronic check and check image exchange business of The Clearing House
Payments Company L. The Clearing House serves more than 1,600 U. The Clearing House Payments Company is
owned by the following banks or their U.28, for fiscal 2004.28 per share at the end of
fiscal 2001 to $18. Derkacht continued." Such statements are patently false and misleading.

The Company's software facilitates electronic payments by
providing consumers and companies access to their money.