Common use of System Engineering Clause in Contracts

System Engineering. The contributions in system engineering cover all work packages related to the system definition, system validation and system optimization until the release of the final system and waveform specifications. It also includes support of the [*****] and test equipment development for the XM Radio system. -------------------------------------------------------------------------------- Work package Description Deliverables Completion Date -------------------------------------------------------------------------------- [*****] ***** Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. The work package [*****] will be finalized with the release of the [*****] by the end of [*****]. With the official release XM Radio will [*****] of these documents. The [*****] on the availability and content of the [*****]. XM Radio and FhG will agree mutually on a [*****], after both consider the [*****]. Any changes to [*****] after the release of this final version will require a change request for the implementation.

System Engineering. The contributions in system engineering cover all work packages related to the system definition, system validation and system optimization until the release of the final system and waveform specifications. It also includes support of the [*****] and test equipment development for the XM Radio system. -------------------------------------------------------------------------------- Work package Description Deliverables Completion Date -------------------------------------------------------------------------------- [*****] ***** Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions. The work package [*****] will be finalized with the release of the [*****] by the end of [*****]. With the official release XM Radio will [*****] of these documents. The [*****] on the availability and content of the [*****]. XM Radio and FhG will agree mutually on a [*****], after both consider the [*****]. Any changes to the [*****] after the release of this final version will require a change request for the implementation.