Sony is also scheduled to hold a conference on the same day at 6.00pm GMT, but Ubisoft aren't bothering. Capcom aren't even bothering to turn up, favouring the TGS instead.
The Tokyo Game Show takes place September 19th, which is perhaps an unfortunate date considering Grand Theft Auto V launches September 17th.
Microsoft and Nintendo are returning to Gamescom in 2013 after having skipped last year. Other notable publishing houses on their way to Germany's event include Bethesda, Deep Silver, Konami and Warner Bros.
EA has a number of titles in the works they could be showing a little or a lot of at Gamescom, like more Battlefield 4, some actual Star Wars: Battlefront footage, Need for Speed: Rivals, Dragon Age: Inquisition, any surprise SimCity add-ons (Traffic Fix Fun Stuff!), Titanfall, and probably some