Mindspeed and LynuxWorks Announce LynxOS Support for Comcerto VoIP Processors

LynxOS enables Mindspeed's Comcerto Enterprise VoIP customers to develop deterministic and scalable real-time applications

Newport Beach, Calif., August 23, 2005—Mindspeed® Technologies, Inc. (NASDAQ: MSPD), a leading supplier of semiconductor solutions for network infrastructure applications, and LynuxWorks, Inc., a world leader in the embedded software market, today announced LynxOS® real-time operating system (RTOS) support for Mindspeed's Comcerto™ enterprise voice-over-IP (VoIP) processors.

Combined with Mindspeed's Comcerto VoIP processing solutions, LynxOS enables enterprise equipment manufacturers to design sophisticated real-time applications. LynxOS conforms to open standards including Linux®, POSIX® and UNIX®, and meets the stringent requirements for real-time, mission-critical applications while offering the time-to-market and investment- protection advantages of open standards-based development. LynxOS is designed for absolute determinism scalability, and predictable response for the most complex networking applications.

"We are excited to add LynxOS support for Mindspeed's Comcerto enterprise VoIP processors," said Dr. Inder Singh, chairman and CEO of LynuxWorks™. "Combining the world's most powerful, open-standards RTOS with Mindspeed's complete system-on-chip voice processing solution will enable equipment customers to efficiently design high-performance voice systems and get them to market quickly."

"We are pleased to extend our relationship with LynuxWorks, which has proven the value of its robust operating system, BSP and tool chains to our mutual customers," said Steve McClure, executive director of marketing for Mindspeed. "Mindspeed's Comcerto processor architecture, combined with the benefits and experience that LynuxWorks brings, enables our customers to develop deterministic and scalable real-time applications while accelerating time to market."

Mindspeed's Comcerto architecture is optimized for VoIP applications with separate signal and packet processors. It integrates high-performance DSP cores and a packet-processing engine with industry-standard streaming packet interfaces to provide a high-density VoIP and voice-over-ATM system on a single chip.

Comcerto processors can also be combined with other open-source software applications to provide developers with an embedded platform for creating a wide variety of new services and capabilities.

About About Mindspeed Technologies

With headquarters in Newport Beach, Mindspeed Technologies, Inc. designs, develops and sells semiconductor networking solutions for communications applications in enterprise, access, metropolitan and wide area networks.

The company's four key product families include high-performance analog transmission and switching solutions, multiservice access products designed to support voice and data services across wireline and wireless networks, T/E carrier physical-layer and link-layer devices, and ATM/MPLS network processors.

Mindspeed's products are used in a wide variety of network infrastructure equipment including voice and media gateways, high-speed routers, switches, access multiplexers, cross-connect systems, add-drop multiplexers and digital loop carrier equipment.

About LynuxWorks

LynuxWorks is a world leader in the embedded software market, providing operating systems, software development products and consulting services for the world's most successful communications, aerospace/defense and consumer products companies. Established in 1988, the company is a technology leader in the real-time operating systems (RTOS) industry and a founding member of the Embedded Linux Consortium (ELC). LynuxWorks' headquarters are located in San José, CA.

Safe harbor statement

This press release contains statements relating to Mindspeed, and our future results, including certain projections and business trends, that are "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. Actual results, and actual events that occur, may differ materially from those projected as a result of certain risks and uncertainties. These risks and uncertainties include, but are not limited to: market demand for our new and existing products and our ability to increase our revenues; our ability to maintain operating expenses within anticipated levels; our ability to reduce our cash consumption; availability and terms of capital needed for our business; the ability to attract and retain qualified personnel; successful development and introduction of new products; obtaining design wins and developing revenues from them; pricing pressures and other competitive factors; order and shipment uncertainty; fluctuations in manufacturing yields; product defects; and intellectual property infringement claims by others and the ability to protect our intellectual property, as well as other risks and uncertainties, including those detailed from time to time in our Securities and Exchange Commission filings. These forward-looking statements are made only as of the date hereof, and we undertake no obligation to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise.

LynuxWorks press contacts

Kirsten Long Director, Marketing Communications LynuxWorks, Inc. USA +1 408-979-4404	Barbara Stewart Patterson & Associates USA 480-488-6909
Hamid Mirab Managing Director EMEA LynuxWorks Ltd. United Kingdom +44 208-906-9506	Peter van der Sluijs Neesham Public Relations Europe +44 1442-879222