The present application relates to surfactant compositions comprising a) at least one phosphated arylphenol alkoxylate surfactant having an average degree of alkoxylation of from 4-8; and b) at least one alkylamine alkoxylate surfactant having an average degree of alkoxylation of from 2-12 and to the use of these compositions in pesticide formulations comprising solid or encapsulated pesticidally active ingredients or formulation aids and methods for improving the re-suspension properties of pesticide suspensions.