A negative-working lithographic printing plate precursor is disclosed
comprising on a support having a hydrophilic surface or which is provided
with a hydrophilic layer, a coating comprising an infrared absorbing
agent, a first layer comprising an aqueous dispersion comprising
hydrophobic thermoplastic polymer particles and a first hydrophobic
binder, and a second layer located between said first layer and said
support which comprises a second hydrophobic binder, characterized in
that said first hydrophobic binder is a phenolic resin and said second
hydrophobic binder is a polymer comprising at least one sulphonamide
group.