Green Day will front Ireland's Oxegen festival on the Saturday night, before crossing the Irish Sea to play T In The Park - co-headliners Foo Fighters will do it the other way round!
Oxegen 2005 takes place at Punchestown Racecourse, Kinross, on the 9-10 July. The Prodigy, The Streets, The Killers and Keane are also on the bill. CLICK HERE for more info.
Tickets go on sale HERE. Day tickets are priced at 64.50 Euros, weekend passes are 120.00 Euros or 145.00 Euros with camping.
Prior to their Oxegen and T In The Park appearances, Green Day will play two nights at Milton Keynes Bowl on 18 & 19 June, with Jimmy Eat World, Simple Plan and Taking Back Sunday as support.
Tickets for the Milton Keynes date are on sale HERE.