French bank Crédit Agricole first-quarter net profit jumped 51% as it draws a line under its disastrous foray into Greece, while rival Societe Generale first-quarter net was halved, hurt by renewed euro-zone tension and an accounting charge relating to its debt.

"Crédit Agricole is now in working order to deliver sustainable financial results," chief executive Jean-Paul Chifflet said in a conference call with reporters. It target is "significantly positive" results in 2013, he added.