About TradeStation Group, Inc.
TradeStation Group, Inc.
954-652-7000

Business Editors/Financial Editors

NEW YORK----Morgan Stanley
Municipal Premium Income Trust today declared monthly income dividends
of $.

commodities income

, develops and offers strategy trading software tools and
subscription services, and hosts the company's annual users conference.

portfolios investments

The company will now begin realizing the benefit
of reduced clearing costs for its active trader clients' options trades.

tax free

(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.

managers tax

managers brokerage

management grain

TradeStation Begins Full Self-Clearing Operations for Equity Options

The company had
announced earlier this month its receipt of clearing firm membership with the
Options Clearing Corporation (OCC) to fully clear equity options trades.
The Trust's investment objective is to provide a high level of
current income exempt from federal income tax.

cgt fully

Morgan Stanley Municipal Income Opportunities Trust Today Declared Monthly Income Dividends from Tax-Free Income

wine portfolios

energy managed

Contact --
David H.

RECORD DATE PAYABLE DATE
04/08/05 04/22/05
05/06/05 05/20/05
06/03/05 06/17/05

Morgan Stanley Municipal Income Opportunities Trust is a
closed-end diversified management investment company investing
principally in non-rated Municipal Obligations.

managers companies

investing tax

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. The company's other operating subsidiary, TradeStation
Technologies , Inc.

futures brokerage

, the principal operating subsidiary of TradeStation Group,
Inc.

portfolios corporation

PLANTATION, Fla. (Nasdaq: TRAD), through its operating subsidiary,
TradeStation Securities, Inc.

Business Editors

NEW YORK----Morgan Stanley
Municipal Income Opportunities Trust today declared monthly income
dividends of $.

investments agriculture

risk tax

corporation futures

Fleischman
Chief Financial Officer
TradeStation Group, Inc.

cgt managers

Beginning yesterday, all equity option trades on behalf of TradeStation active
trader brokerage customers on the AMEX, BOX, CBOE, ISE, PCX and PHLX are fully
self-cleared by TradeStation.045 per share from tax-free income.

companies hedging

(Nasdaq: TRAD), today announced that it has commenced equity options
self-clearing operations for its active trader client base.

brokerage risk

grain management

, TradeStation
Securities, Inc.

fully tax

cru portfolios

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

The Trust's investment objective is to provide a high level of
current income exempt from federal income tax.

income managed

Morgan Stanley Municipal Premium Income Trust Today Declared Monthly Income Dividends from Tax-Free Income

commodities free

, offers the TradeStation platform to
institutional, professional and serious, active individual traders.
TradeStation Securities, Inc.0425 per share from tax-free income.

RECORD DATE PAYABLE DATE
----------- -------- ----
04/08/05 04/22/05
05/06/05 05/20/05
06/03/05 06/17/05

Morgan Stanley Municipal Premium Income Trust is a closed-end
diversified management investment company investing principally in
investment grade Municipal Obligations.