Trident Microsystems, Inc. (NASDAQ: TRID), a leader in high-performance semiconductor system solutions for the multimedia and digital television markets, will announce its results for the fiscal fourth quarter and year ended June 30, 2009 after the markets close on Monday, July 27, 2009. Management will host a conference call at 2:00 p.m. Pacific Time. Following are details for the call:

A replay of the conference call will be available for two weeks, beginning approximately two hours following the conference call and will accessible by calling 888-286-8010 (domestic) or +1-617-801-6888 (international) using access code 52648914.

This call is being webcast by Thomson/CCBN and can be accessed at Trident’s web site at: http://www.tridentmicro.com. The webcast is also being distributed through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at www.fulldisclosure.com, Thomson/CCBN’s individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson’s password-protected event management site, StreetEvents (www.streetevents.com).

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.

For Trident Microsystems
John Swenson, 415-302-2324
john@swenson-partners.com
or
Blueshirt Group for Trident Microsystems
Suzanne Craig or Maria Riley, +1-415-217-7722
Suzanne@blueshirtgroup.com
Maria@blueshirtgroup.com
Web site: http://www.tridentmicro.com