The OMX GES OMXS30 Ethical Index is an ethically screened version of the popular OMX Stockholm 30 Index. The population of OMXS30 is screened by GES Investment Services, a leading research and service provider for responsible investments. Companies that do not comply with the GES Global Ethical Standard and GES Controversial are removed. This means that the population can include less than 30 constituents. The screening is conducted twice a year in connection with the review of OMXS30. Base date is 2001-12-28 with a base value of 100.