Article 1
Compagnie Générale des Asphaltes SA, Antwerps Teer- en Asphaltbedrijf NV, De Boer & Co NV, Kempisch Asphaltbedrijf NV, Limburgse Asfaltfabrieken PvbA, Lummerzheim & Co NV and Vlaams Asfaltbedrijf Huyghe & Co PvbA infringed Article 85 (1) of the EEC Treaty by entering into an Agreement, which came into effect on 1 January 1978 and remained in force at least until 9 April 1984, and by taking joint action to give effect to and supplement the Agreement, including jointly participating in the agreements referred to in Articles 2 and 3. The Société Coopérative des Asphalteurs Belges 'Belasco' infringed Article 85 (1) of the EEC Treaty by helping to operate the Agreement.