Toro Rosso will join Mercedes in launching their 2013 challenge on the day before testing starts at the Jerez circuit.
As the pre-season calendar begins to fill up, Toro Rosso have added their name to the list of dates.
The Italian outfit confirming they will unveil their 2013 car, the STR8, in the Jerez pit lane on 4 February.
Testing gets underway the following day at the Spanish circuit.
Toro Rosso, who finished ninth in last year's Constructors' Championship, have already confirmed both drivers for this year's Championship with Daniel Ricciardo and Jean-Eric Vergne once again entrusted with the racing duties.
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