GRIVALIA PROPERTIES Α.Ε.Ε.Α.Π. ANNOUNCEMENT OF APPROVAL OF TRANSACTION WITH A RELATED PARTY PURSUANT TO Article 101, par. 2 of Greek Law 4548/2018 See the Press Release.ANNOUNCEMENT OF APPROVAL OF TRANSACTION WITH A RELATED PARTY PURSUANT TO Article 101, par. 2 of Greek Law 4548/2018