Rockstar has confirmed that Grand Theft Auto IV: The Lost and the Damned will sell for 1600 Microsoft points, or GBP 13.60 / EUR 19.20.
The downloadable content is exclusive to the Xbox 360, and is one of two additional episodes due for one of the biggest selling games of last year.
The Lost and the Damned will be available from February 17. As well as being available to buy via Xbox Live, it is expected that High Street stores will sell a token or card, with users able to redeem a unique code online for the content.