The National, Deadmau5 for Open’er 2011

Heiniken Open'er 2011 will feature The National, Deadmau5 and Big Boi, organisers have revealed.

British indie band Two Door Cinema Club will also perform at the festival alongside the previously announced Coldplay, Pulp, M.I.A, Primus and Foals.

Four-day camping tickets are on sale now, priced at £85/410PLN, with day tickets and three-day packages also available.

Heineken Open’er takes place at Gdynia, Poland from 30 June to 3 July 2011.

Click here to buy  Heineken Open’er tickets.