BERLIN (Reuters) – German trade union ver.di is demanding a 9.5% pay rise, or at least 350 euros ($368) more over 12 months for Lufthansa ground staff, it said on Wednesday. The minimum hourly wage should increase to 13 euros, the union said. A first round of negotiations with Lufthansa will take place June 30. ($1 = 0.9516 euros) (Reporting by Kirsti Knolle; Editing by Paul Carrel)