Thursday Defense Minister Spilios Spiliotopoulos visits Thrace and eastern Macedonia. To tomorrow. Labor Minister Panos Panayiotopoulos to attend meeting of the ministers of social security of OECD member states in Paris. To tomorrow. Foreign Minister Petros Molyviatis to meet with US Alternate Secretary of State Robert Zoellick. Prime Minister Costas Karamanlis to attend Culture Ministry event on the program «Open Stadiums – The Olympic Celebration Goes On,» to be held at 9.30 a.m. at the Athens Olympic Stadium (OAKA). Deputy Culture Minister Giorgos Orfanos and the president of the Professional Football Clubs Association (EPAE), Alexandros Lykourezos, hold a press conference on anti-doping control in soccer. Prooptiki – Occupational Network for Recovered Individuals holds a conference on «Ex-Users and the Job Market,» at the Greek Journalists’ Union (ESHEA). Justice Minister Anastassis Papaligouras to speak. Tel. 210.889.8307 or log on to www.prooptikinet.gr. Parliament to discuss draft law proposed by the General Confederation of Greek Labor and the Civil Servants’ Union (GSEE-ADEDY) on contract employees. At noon, protesters will demonstrate outside Parliament House. A congress on «Biotechnology and Food Technology» to be held at the Athens Chamber of Commerce and Industry, 7 Academias, organized by the Association of Greek Chemists. To Saturday. Tel. 210.953.0292 or log on to www.eex.gr. Friday The «Entrepreneurship and Employment without Discrimination» forum opens at 9 a.m. at the Helexpo fairground in Maroussi. To tomorrow. Tel. 210.362.8581-2. Deputy Minister of Agriculture Alexandros Kontos visits Thasos island. Fifth meeting of the mayors of major Balkan cities is to be held in Piraeus. To Saturday. Summer opening hours for stores and supermarkets begin. Stores will remain open until 9 p.m. daily and until 6 p.m. on Saturdays. Electronica & Digitec 2005 exhibition opens at the EKEP exhibition center in Metamorphosis. To Monday. For details, see www.expoelsys.gr. Saturday The 22nd International Publishers Exhibition to be held at the Divani Caravel Hotel. To Sunday. Tel. 210.941.3936. Sunday National Confederation of Greek Commerce holds an extraordinary general meeting on the government’s decision to extend shop work hours.