Derbyshire

Ins: Dan Birch, Simon Cusden (Kent), Simon Katich (Aus), Boyd Rankin, Phil Weston (Glos), Ian Harvey (Glos)

Outs: Michael Di Venuto (Durham), Steffan Jones (Somerset), Richard Browning (Northants)

Durham

Ins: Mitchell Claydon (Yorks), Michael Di Venuto (Aus), Will Gidman, Will Smith (Notts),

Outs: Graeme Bridge, James Lowe, Jon Lewis, Gary Pratt, Mark Turner (Somerset)

Essex

Ins: Darren Thomas (Glamorgan), Andre Nel (SA) (until mid-June)

Outs: Will Jefferson (Notts), Darren Gough (Yorkshire)

Glamorgan

Ins: Jimmy Maher (Aus), Matthew Elliott (Aus)

Outs: Darren Thomas (Essex)

Gloucestershire

Ins: Anthony Ireland (Zim), Ashley Noffke (Aus), Marcus North (Aus)

Outs: James Averis, Martyn Ball, Phil Weston (Derbyshire), Matt Windows, Ian Harvey (Derbyshire)

Hampshire

Ins: Stuart Clark (Aus), Michael Lumb (Yorks)

Outs: Richard Logan (Northants), Jono McLean

Kent

Ins: Yasir Arafat (Pkn), Ryan McLaren (SA)

Outs: Simon Cusden (Derbyshire), Matt Dennington, Rob Ferley (Notts), David Fulton, Niall O'Brien, David Stiff (Kent)

Lancashire

Ins: Muttiah Muralitharan (Sri Lanka)

Outs: Andrew Crook (Northants)

Leicestershire

Ins: Mansoor Amjad (Pkn), David Stiff (Kent), RP Singh (Ind)

Outs: Chris Liddle (Sussex), Darren Maddy (Warks)

Middlesex

Ins: Richard Johnson (Somerset), Tim Murtagh (Surrey), Chaminda Vaas (Sri), Murali Kartik (Ind)

Outs: Mohammad Ali, Johann Louw, Scott Styris (NZ)

Northants

Ins: Richard Browning (Derbys), Andrew Crook (Lancs), Richard Dawson (Yorks), Richard Logan (Hants), Johannes van der Wath (SA), David Lucas (Yorks), Niall O'Brien (Kent)

Outs: Ben Phillips (Somerset), Bilal Shafayat (Notts), Matt Nicholson (Surrey)

Possibles: Niall O'Brien (Kent)

Nottinghamshire

Ins: Rob Ferley (Kent), Will Jefferson (Essex), Bilal Shafayat (Northants), Mark Wagh (Warwicks)

Outs: Paul McMahon, Will Smith (Durham)

Ins: Steffan Jones (Derbyshire), Justin Langer (Australia), Stefan Kieswetter, Ben Phillips (Northants), Mark Turner (Durham)

Outs: Simon Francis, Richard Johnson (Middx)

Surrey

Ins: Matt Nicholson (Aus)

Outs: Tim Murtagh (Middx)

Sussex

Ins: Saqlain Mushtaq (Pkn), Chris Liddle (Leics)

Outs: Sean Heather, Tim Linley, Neil Turk

Warwickshire

Ins: Darren Maddy (Leics), Kumar Sangakkara (SriL), Dale Steyn (SA)

Outs: Moeen Ali (Worcs), Nick Knight (ret'd), Mark Wagh (Notts)

Worcestershire

Ins: Moeen Ali (Warks), Doug Bollinger (Aus), Alex Kerverzee

Yorkshire

Ins: Younis Khan (Pkn), Jacques Rudolph (SA), Darren Gough (Essex)

Outs: John Blain, Mitchell Claydon (Durham), Richard Dawson (Northants), Michael Lumb (Hants)