XM to Showcase Comedians Recorded Live from Famed Carolines on Broadway Comedy Nightclub in Times Square

NEWS RELEASE

9/30/2003

Nation's Premier Comedy Stage Produces Laughs for Nation's Leading Satellite Radio Service Washington D.C., September 30, 2003-- XM Satellite Radio, Inc. (NASDAQ: XMSR), the nation's number one satellite radio service, today announced it will begin broadcasting special comedy events recorded live the famed Carolines on Broadway comedy nightclub in New York City's Times Square starting in October on XM Comedy, Channel 150. XM will present these special concerts uncut and uncensored.

"If you see someone in the car next to you sitting alone laughing their head off while stuck in traffic, it is a pretty good bet they're tuned into XM Comedy. Now, with the addition of the country's funniest comedians recorded live at Carolines, we fear we might actually make Americans look forward to traffic jams," said Sonny Fox, Program Director of XM's comedy channels. "But seriously, just as HBO brings the best, uncensored entertainment to people's televisions across America, XM Comedy is bringing the same unedited excitement to their radios by showcasing great live and compelling entertainment like Carolines on Broadway."

Carolines on Broadway is America's premier comedy nightclub. Now celebrating its twentieth year, Carolines is one of the top live entertainment venues in New York City, showcasing the top comedians in the country seven nights a week. Carolines' stage has hosted such greats as Jay Leno, Jerry Seinfeld, Chris Rock, Janeane Garofalo, Jay Mohr, Drew Carey, Margaret Cho, Dave Chappelle, Kathy Griffin and Damon Wayans.

About XM Satellite Radio XM is America's #1 satellite radio service. With more than 692,000 subscribers as of June 30, XM is on pace to have more than one million subscribers later this year. Whether in the car, home, office or on the go, XM's loyal listeners 1 enjoy 101 digital channels of choice: 70 music channels, more than 35 of them commercial-free, from hip hop to opera, classical to country, bluegrass to blues; and 31 channels of premiere sports, talk, comedy, kid's and entertainment programming. For more information about XM, visit http://www.xmradio.com.

Factors that could cause actual results to differ materially from those in the forward-looking statements in this press release include demand for the Company's service, the Company's dependence on technology and third party vendors, its potential need for additional financing, as well as other risks described in XM Satellite Radio Holdings Inc.'s Form 8-K filed with the Securities and Exchange Commission on 6-03-03. Copies of the filing are available upon request from XM Radio's Investor Relations Department.

Press Contact Allen Goldberg Phone: 202-380-4316 [email protected]