The AIM CHOICE program is available for 401(k) plans , money
purchase plans and profit sharing plans.

About AIM Investments

Houston-based AIM Investments represents one of the nation's
leading investment management companies.

TradeStation Securities, Inc.ezecastlesoftware.com

glossaries equities

"

Plan administrators may select from 15 AIM fund options., develops and offers strategy trading software tools and
subscription services , and hosts the company's annual users conference.

derivatives equities

Fleischman, Chief Financial Officer
TradeStation Group, Inc. In February 2005, TradeStation
was named Best Stock Brokerage and Best Futures Brokerage and, for the third
year in a row, Best Direct-Access Stock Broker, Best Direct-Access Futures
Broker, Best Professional Platform and Best Institutional Platform, in
"Technical Analysis of Stocks and Commodities" magazine.

overlay annuities

"The program is customizable to
provide both investment and servicing solutions.m.

shall overlay

The company's other operating subsidiary, TradeStation
Technologies , Inc.
"We aim to give our clients access to all electronic trading
destinations to automate their trade flow," says David Quinlan,
president of Eze Castle Software.com

About ESP

Electronic Specialist, LLC is a New York-based technology firm and
registered broker-dealer and NASD member .

This category shall include websites whose primary content is related to education and training specific to the topic of investing (not general business topics).

paced overlay

AIM Investments is a service mark of A I
M Management Group Inc., and AIM
Alternative Asset Management Company, Inc. A I M
Distributors, Inc. is the distributor for the retail mutual funds and
Fund Management Company is the distributor for the institutional money
market funds represented by AIM Investments. PLANTATION, Fla.,

WHO: TRADESTATION GROUP, INC."
ESP's EARN(TM) Portal and Global DMA Network currently offers
clients centralized access to more than 50 exchanges ECNs, algorithmic
strategies, and crossing networks, from some of the leading providers
on the street, including such strategies as VWAP, TWAP, Volume
Participation, Inline Tactics, and Implementation Shortfall.

commodities forex

It was designed and developed
by AIM Investments and allows users to leverage AIM's recordkeeping
system, which provides:

Automated participant enrollment

Online payroll contribution submission via AIMinvestments . It is dedicated to building
solutions for its clients with exceptional products and services
through multiple investment management styles and a broad range of
investment portfolios under the AIM and INVESCO brand names - mutual
funds, retirement products, separately managed accounts for
high -net-worth and institutional investors, annuities, cash
management, college savings plans, alternative investments and
offshore products.com.amvescap. "Furthermore, we believe that the addition of Eze Castle's
state-of-the-art OMS to our integrated product suite will enable us to
provide buy-side clients with complex clearing, compliance and
reporting needs a more complete end-to-end solution for order
management, market connectivity, and best execution. With over 230 clients and offices in Boston,
New York, San Francisco, Stamford, and London, Eze Castle Software is
one of the largest order management product firms in the industry. There are over 20
trading application providers integrated with ESP's Global DMA
network.

shall mentored

For more information,
visit www.aiminvestments."
One of the major benefits that ESP provides is centralized
clearing, allocation, settlement and delivery across all market
destinations and algorithms, so clients get the added benefit of
having their trade executions aggregated along with all other DMA and
algorithmic executions, and delivered as a single or allocated block
trade.

derivatives nasd

AIM Investments Launches AIM CHOICE Retirement Service for Third-Party Administrators

31, 2004. A I M Advisors, Inc.

TradeStation Group Inc. Announces The Date For Its 2005 First Quarter Earnings Conference Call

DETAILS: In conjunction with TradeStation Group, Inc.
"Now buy-side institutions, including hedge funds, state pensions,
mutual funds, and investment managers can access any of the electronic
execution destinations on ESP's network directly through a single
broker connection from the Eze Castle Software Traders Console OMS,"
states Scott Kurland, Senior Managing Director of Electronic
Specialist. ESP's client base
includes hedge funds , pension plans, investment advisors, boutique
broker-dealers and traditional asset managers.

derivatives bonds

's
(Nasdaq: TRAD) First Quarter 2005 Earnings Announcement, which will be
released at approximately 7:40 a. (Nasdaq: TRAD), through its operating subsidiary,
TradeStation Securities, Inc.

Eze Castle Software Completes Integration with ESP's Global DMA and Electronic Algorithm Routing Network -EARN -

annuities conquering

, A I M Capital
Management, Inc.

About AMVESCAP

A I M Management Group Inc.

WHAT: TRADESTATION GROUP, INC.

REPLAY
INFORMATION: If you are unable to participate during the live webcast,
the call will be available at http://www.

CONTACT: David H.

equities futures

Business Editors

HOUSTON----AIM Investments announced
today the launch of the AIM CHOICE retirement program, an interactive
system designed to combine AIM's daily recordkeeping and account
services with the administrative and consulting services of a
third -party administrator or retirement service provider.

"AIM CHOICE allows our business partners to provide a
recordkeeping retirement program to better meet their clients' needs,"
said John Cooper, Director of Institutional Sales and Tax-Advantaged
Products for A I M Distributors, Inc.

TradeStation. The trading platform
currently offers streaming real-time Equities, Options, Futures and Forex
market data.

shall glossaries

aima exam

31, 2004, is listed on the London, New York and
Toronto stock exchanges with the symbol "AVZ.com .com for approximately 90
days., offers the TradeStation platform to
institutional , professional and serious, active individual traders. For
information about the company please contact Kristine Kennedy by phone
at 617-316-1148, by e-mail at kkennedy@ezecastlesoftware.

shall hedge

Founded in 1976 , AIM Investments had $138 billion
in assets under management as of Dec., AIM Private Asset Management , Inc. Operating under the
AIM, INVESCO and Atlantic Trust brands, AMVESCAP strives to deliver
outstanding products and services through a comprehensive array of
retail and institutional products for clients around the world.
954-652-7000
InvestorRelations@TradeStation .

shall investors

com

About TradeStation Group, Inc.

Business Editors/High-Tech Editors

NEW YORK ----Eze Castle Software
announced today that they have completed integration of their Traders
Console Order Management System with Electronic Specialist's (ESP)
Global DMA and Electronic Algorithm Routing Network (EARN(TM)).

credentialing hedge

The
Company, which had approximately $382 billion in assets under
management as of Dec., Distributor. For more information, please visit www.fastesp.

overlay glossaries

A I M Distributors, Inc.
TradeStation is an electronic trading platform that offers state-of-the-art
direct-access order execution and enables clients to design, test, monitor and
automate their own custom trading strategies.

exam retirees

is a subsidiary of AMVESCAP PLC, a
leading independent global investment manager, dedicated to helping
people worldwide build their financial security.com

Note to editors -- We are required to include the following
information with our news release:
Consider the investment objectives , risks, and charges and
expenses carefully before investing.

investors nasd

CONFERENCE CALL ON THE WEB

FIRST QUARTER 2005 EARNINGS

WHEN: Wednesday, April 20, 2005
7:00 AM (Pacific Time) / 10:00 AM (Eastern Time)

HOW TO LISTEN: You'll need the Windows Media Player or Real Player to
participate. Eastern Time on Wednesday, April 20 , 2005,
you are invited to listen to the live webcast of the discussion of the results
at http: //www. "Integrating with ESP's algorithms,
and further automating the process by using our Quick Send Profiles,
allows them to reduce the clicks to execution.

About Eze Castle Software

Since 1995, Eze Castle Software (ECS) has provided investment
management firms with cutting-edge technology solutions to automate
the investment process.

forex paced

(Member NASD, NYSE, SIPC, NSCC, DTC, OCC +
NFA) is a licensed securities broker-dealer and a registered futures
commission merchant, and also a member of the American Stock Exchange,
Archipelago Exchange, Boston Options Exchange, Chicago Board Options Exchange,
Eurex US, International Securities Exchange, Pacific Exchange and Philadelphia
Stock Exchange.com, or visit
our web site at www.

currencies investing

For this and other important
information about any AIM or INVESCO fund, please obtain a prospectus
from your financial advisor and read it carefully before investing.

ESP provides high-speed
direct market access execution capabilities in US and global equities,
options, and futures to buy and sell-side clients.

retirees futures

com

Plan- and participant-level reports

Tax reporting

State withholding where applicable

Online access and reporting capabilities for affiliated
service providers.

bonds conquering

" Additional information
is available at www.
TradeStation Group, Inc.

underperform aima

are the investment advisors
for the products and services represented by AIM Investments.TradeStation. The live webcast will be accompanied by
slides of graphs and charts. Simply put traders
click the order then click the button for quick execution .

Suitable websites would include commercial and non-commercial sites where the majority of the content is related to investment education and training, including educational articles, glossaries, books and videos, both online and offline training courses and seminars, and investing simulation resources .

This category shall focus primarily on education and training pertaining to investing or trading in stocks, bonds, mutual funds, and other paper assets.