Trident Microsystems Provides Consolidated Fourth Quarter of Fiscal Year 2009 Outlook

Trident Microsystems Provides Consolidated Fourth Quarter of Fiscal Year 2009
Outlook

Outlook Includes Acquisition of Micronas Product Lines

SANTA CLARA, Calif., May 18 /PRNewswire-FirstCall/ -- Trident Microsystems,
Inc. (Nasdaq: TRID), a leader in high-performance semiconductor system
solutions for the multimedia and digital television (DTV) markets, today
announced an update to its outlook for the fourth quarter of fiscal year 2009.

Trident's outlook for the fourth quarter of fiscal year 2009, described below,
is based on current expectations, includes expected results from the recently
completed acquisition of certain consumer business division assets from
Micronas Semiconductor Holding AG, and is subject to various factors,
including those set forth in the Forward-Looking Information statement below.
Actual results may differ materially.

Fourth Quarter Fiscal Year 2009 Outlook
-- Net revenues are expected to be in the range of $15 to $18 million.
-- Non-GAAP Gross Margin in the low 30% range.
-- Non-GAAP operating loss is projected to be in the range of $15 to $17
million.

-- The company expects to end the quarter with a cash balance of
approximately $177 to $182 million.

Forward-Looking Information
This press release contains forward-looking statements, including statements
regarding updated financial expectations for the fourth quarter of fiscal year
2009 and results expected to be achieved in connection with our acquisition of
certain consumer business division assets from Micronas Semiconductor Holding
AG. The forward-looking statements made above are subject to certain risks and
uncertainties, and actual results could vary materially depending on a number
of factors. These risks include, in particular, our ability to successfully
integrate the consumer business division product lines acquired from Micronas,
our ability to build upon our core strengths, including our technology,
engineering team, competitive cost structure and strong balance sheet, the
timing of product introductions, the ability to obtain design wins among major
OEMs for Trident's products, and competitive pressures, including pricing and
competitors' new product introductions, the impact of the current global
macroeconomic environment, the increasingly competitive DTV market and our
ability to retain key employees. Additional factors that may affect Trident's
business are described in detail in Trident's filings with the Securities and
Exchange Commission available at http://www.sec.gov.

About Trident Microsystems, Inc.
Trident Microsystems, Inc., with headquarters in Santa Clara, California,
designs, develops and markets integrated circuits, or ICs, and associated
software for digital media applications, such as digital televisions and LCD
televisions. Trident's products are sold to a network of OEMs, original
design manufacturers and system integrators worldwide. For further information
about Trident and its products, please consult the Company's web site:
http://www.tridentmicro.com.

NOTE: Trident is a registered trademark of Trident Microsystems, Inc.,
HiDTV(TM), DPTV(TM), SVP(TM) WX, SVP(TM) UX, SVP(TM) PXP and SVP(TM) CX are
trademarks of Trident Microsystems, Inc. All other company and product names
are trademarks and/or registered trademarks of their respective owners.
Features, pricing, availability and specifications are subject to change
without notice.

TRID-IR

SOURCE Trident Microsystems, Inc.

Suzanne Craig, Suzanne@blueshirtgroup.com, or Maria Riley,
maria@blueshirtgroup.com, both of The Blueshirt Group, +1-415-217-7722, for
Trident Microsystems, Inc.