Subscriber Counts


Quarterly Subscribers
................... XMSR ........ SIRI
09/30/01 .......... 500 .............. 0
12/31/01 ..... 27,733 .............. 0
03/31/02 ..... 76,242 .......... 412
06/30/02.... 136,718 ....... 3,347
09/30/02.... 201,544 ..... 11,821
12/31/02.... 347,159 ..... 29,947
03/31/03.... 483,075 ..... 68,059
06/30/03.... 692,253 ... 105,186
09/30/03.... 929,648 ... 149,612
12/31/03. 1,360,228 ... 261,061
03/31/04. 1,681,903 ... 351,663
06/30/04. 2,100,352 ... 480,341
09/30/04. 2,516,023 ... 662,289
12/31/04. 3,100,000 ... 1,143,258
03/31/05. 3,770,000 ... 1,448,695
06/30/05. 4,410,000 ... 1,814,626
09/30/05. 5,030,000 ... 2,173,920
12/31/05. 5,932,957 ... 3,316,560
03/31/06. 6,501,859 ... 4,077,747
06/30/06. 6,890,000 ... 4,700,000
09/30/06. 7,200,000 ... 5,100,000
12/31/06. 7,629,000 ... 6,024,555
03/31/07. 7,913,728 ... 6,581,045
06/30/07. 8,250,000 ... 7,142,538

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Note: This ESTIMATE is only that, an estimate. We are a group of shareholders that discuss this stock and the news that surrounds it. Our Estimate could in fact be way off, but only time will tell. We arrived at this estimate by averaging guesses by each member.

Please do not e-mail us about this Estimate!

* = company estimate
= SIRInews estimate

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based on SIRI PR RELEASE

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