Question: when does the leeds festival lineup get announced

title: Reading and Leeds Festivals line-ups
text: Reading Friday Reading Saturday Reading Sunday Leeds Saturday Leeds Sunday Leeds Friday The Strokes Pulp Jane 's Addiction Weezer The White Stripes The Dandy Warhols Mercury Rev The Soundtrack of Our Lives The Moldy Peaches Foo Fighters Muse Ash Sum 41 The Hives Less Than Jake Andrew W.K. Vex Red Sahara Hotnights Guns N ' Roses ( Leeds ) The Prodigy The Offspring Slipknot Incubus NOFX Puddle of Mudd Hundred Reasons Amen Raging Speedhorn ( Reading ) The Dillinger Escape Plan