Splinter Cell Extra Map

Okay, does anyone remember that the X-BOX version of Splinter Cell got an extra map that they could download.

Was this released for the PC version?
If not, any ideas if they plan on bringing it out?

The Xbox extra map will be also for PC, i''m not sure if they already released it or it will be relaesad shortly... I don''t recall the exactly how and when though...