Matches played 15th July 2004

 Derbyshire v Leicestershire at Derby, 15 Jul 2004
 Durham v Yorkshire at Chester-le-Street, 15 Jul 2004
 Essex v Sussex at Chelmsford, 15 Jul 2004
 Gloucestershire v Warwickshire at Bristol, 15 Jul 2004
 Hampshire v Kent at Southampton, 15 Jul 2004
 Lancashire v Nottinghamshire at Manchester, 15 Jul 2004
 Middlesex v Surrey at Lord's, 15 May 2004
 Somerset v Northamptonshire at Taunton, 15 Jul 2004
 Worcestershire v Glamorgan at Worcester, 15 Jul 2004