Los Angeles-based Spike Internet Radio Inc., a subsidiary of Spike Networks Limited (ASX: SPK) announced today that Toyota Motor Corporation's Overseas Marketing Division has extended its sponsorship agreement with SpikeRadio to further enhance its global youth marketing. Effective immediately, the agreement is a continuation of Toyota's existing sponsorship agreement for the next twelve months, solidifiying the relationship between the two companies. Under the terms of the agreement Toyota will remain the exclusive automotive sponsor of SpikeRadio.