SIRIUS and Sirenza Microdevices to Introduce New Ultra-Low Profile Antenna for SIRIUS Satellite Radio

SIRIUS and Sirenza Microdevices to Introduce New Ultra-Low Profile Antenna for SIRIUS Satellite Radio

First-of-its-Kind Disc-Shaped Antenna is Thinnest Available

NEW YORK and BROOMFIELD, Colo., July 14 /PRNewswire-FirstCall/ -- SIRIUS Satellite Radio (NASDAQ:SIRI) and Sirenza Microdevices (NASDAQ:SMDI) today announced they are introducing a small, ultra-low profile, high-performance antenna for SIRIUS that is the thinnest ever produced for satellite radio.

The new disc-shaped antenna has been designed by Sirenza to optimally receive and amplify digital signals from SIRIUS' satellites and terrestrial repeaters. The antenna is magnetically mounted to the roof of vehicles, and is designed to operate with various SIRIUS radio receivers.

"Product technology is moving forward as rapidly as the growth of satellite radio itself," said Jim Meyer, SIRIUS President of Operations and Sales. "The introduction of this new, ultra-thin disc-shaped antenna is proof of our ability to provide customers with leading-edge technology to further enhance the SIRIUS listening experience. Plus, with its extremely low profile, the antenna is very aesthetically pleasing."

"We are very enthusiastic about the successful introduction and production ramp of this state-of-the-art active antenna, and about the potential future development of products for SIRIUS," said Robert Van Buskirk, President and CEO of Sirenza. "The expanded production level achieved this quarter clearly demonstrates our ability to utilize our radio frequency (RF) design and manufacturing expertise, and also showcases our ability to move into broader, more diversified end markets and applications."

The new SIRIUS ultra-low profile antenna from Sirenza will be available this summer with multiple SIRIUS portable "Plug & Play" radios, and will also be sold separately.

About SIRIUS

SIRIUS delivers more than 120 channels of the best commercial-free music, compelling talk shows, news and information, and the most exciting sports programming to listeners across the country in digital quality sound. SIRIUS offers 65 channels of 100% commercial-free music, and features over 55 channels of sports, news, talk, entertainment, traffic and weather for a monthly subscription fee of only $12.95. SIRIUS also broadcasts live play-by-play games of the NFL and NBA, and is the Official Satellite Radio partner of the NFL.

SIRIUS radios for the car, truck, home, RV and boat are manufactured by Alpine, Audiovox, Blaupunkt, Clarion, Delphi, Jensen, JVC, Kenwood, Pioneer, Sanyo and XACT Communications. Available in more than 25,000 retail locations, SIRIUS radios can be purchased at major retailers including Best Buy, Circuit City, Crutchfield, Office Depot, Sears, Target, Wal-Mart and RadioShack. SIRIUS is also available at heavy truck dealers and truck stops nationwide.

SIRIUS radios are currently offered in vehicles from Audi, BMW, Chrysler, Dodge, Ford, Infiniti, Jeep(R), Lincoln-Mercury, Mazda, Mercedes-Benz, MINI, Nissan, Scion, Toyota, Porsche, Volkswagen and Volvo. Hertz currently offers SIRIUS at major locations around the country.

Click on www.sirius.com to listen to SIRIUS live, or to find a SIRIUS retailer or car dealer in your area.

Any statements that express, or involve discussions as to, expectations, beliefs, plans, objectives, assumptions, future events or performance with respect to SIRIUS Satellite Radio Inc. are not historical facts and may be forward-looking and, accordingly, such statements involve estimates, assumptions and uncertainties which could cause actual results to differ materially from those expressed in any forward-looking statements. Accordingly, any such statements are qualified in their entirety by reference to the factors discussed in our Annual Report on Form 10-K for the year ended December 31, 2004 filed with the Securities and Exchange Commission. Among the key factors that have a direct bearing on our operational results are: our dependence upon third parties, including manufacturers of SIRIUS radios, retailers, automakers and programming partners, our competitive position and any events which affect the useful life of our satellites.

About Sirenza Microdevices, Inc.

Headquartered in Broomfield, Colo., with design centers throughout the U.S., Sirenza Microdevices is a leading designer and an ISO 9001:2000 Quality Management System and ISO 14001:2004 Environmental Management System certified supplier (registered by QMI) of high performance radio frequency (RF) components for the commercial communications and aerospace and defense (A&D) equipment markets. Sirenza's integrated circuit (IC) and multi-chip module (MCM) product lines include amplifiers, power amplifiers, transceivers, tuners, discrete devices, RF signal processing components, signal source components, government and military specified components, and antennae and receivers for satellite radio. Detailed product information may be found on Sirenza's website at www.sirenza.com.

Forward-Looking Statements

This news release contains forward-looking statements regarding future events or results, including Sirenza's views as to the potential for the development of future RF component products working in collaboration with Sirius Satellite Radio. Sirenza cautions readers that such statements are, in fact, predictions that are subject to risks and uncertainties, and that actual events or results may differ materially. Factors that could cause actual events or results to differ materially include, but are not limited to: lower than expected demand for satellite radio products or for Sirenza components to be used in such products, for any reason; Sirenza's ability to produce in volume antennae which meet customer timing, quality and reliability demands and the acceptance and deployment of those products by Sirenza's intended customers; Sirenza's relative lack of experience in new markets that it has entered or may attempt to enter in the future and Sirenza's reliance on third parties for outsourced manufacturing, packaging and test services and supply. Other factors that could cause actual events or results to differ materially from those in the forward-looking statements are included in Sirenza's Annual Report on Form 10-K filed with the Securities and Exchange Commission in March 2005. Sirenza expressly disclaims any current intention to update its forward-looking statements, and the estimates and assumptions associated with them, at any time or for any reason.

(Logo: http://www.newscom.com/cgi-bin/prnh/20030820/SMDILOGO)

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20030820/SMDILOGO AP Archive: http://photoarchive.ap.org/ PRN Photo Desk, photodesk@prnewswire.com Source: Sirenza Microdevices; SIRIUS Satellite Radio

CONTACT: Jim Collins, +1-212-901-6422, jcollins@siriusradio.com, or Rebecca Schnall, +1-212-901-6478, rschnall@siriusradio.com, or Jaymie VanValkenburgh, Investor Relations, +1-212-584-5158, jvanvalkenburgh@siriusradio.com, all of SIRIUS; or Jodi Bochert, Investor Relations of Sirenza Microdevices, +1-303-327-3193, ir@sirenza.com

Web site: http://www.sirenza.com/ http://www.sirius.com/

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