The present invention relates to a polymorphic form B of A/-[3-tert-butyl-l-(3-chloro-4-hydroxyphenyl)-1H-pyrazol-5-yl]-N-{2-[(3-{2-[(2-hydroxyethyl)sulfanyl]phenyl}[1,2.4]triazolo[4,3-a]pyridin-6-yl)sulfanyl]benzyl}urea (I) asdefined herein. This polymorph is useful in the treatment of variousconditions, particularly in the treatment of inflammatoryconditions such as chronic obstructive pulmonary disease.