MONDAY Bank of Attica staff stage 24-hour strike over social security demands. Protesters will demonstrate at 7 a.m. outside head offices at 23 Omirou Street. Emporiki Bank releases first-half results. TUESDAY The Association of Greek Chemists holds a conference on «Chemistry, Education, Research and Applications,» at the University of Ioannina. To Saturday. Tel. 26510.983.52 or log on to www.eex.gr. Piraeus Bank and metallurgy firm METKA hold extraordinary general meetings; Notos.com holds repeat general assembly. WEDNESDAY Prime Minister Costas Karamanlis and Development Minister Dimitris Sioufas attend the National Confederation of Greek Commerce’s event to mark the introduction of Greek Commerce Day. At 7 p.m. at Zappeion Hall. Emporiki Bank holds repeat assembly. THURSDAY Athens University of Economics and Business is hosting the seventh European conference on «Computer Mathematics and its Applications,» at its Patission St premises. To Saturday. For information, tel 210.820.3187. Greek-German Chamber of Commerce and Industry holds its annual general meeting. European Central Bank (ECB) Vice-President Loukas Papadimos to speak on «Development and Competitiveness in the Eurozone.» At 8 p.m. at the Hilton Hotel. For information, tel 210.641.9025. The Association of Insurance Companies of Greece is hosting the seventh «Insurance & Reinsurance Conference for the Balkans, Black Sea and Eastern Mediterranean Sea Countries,» on the island of Hydra. To Sunday. Tel. 210.333.4131 or log on to www.eaee.gr.