The pro-forma income statement shows a notable 4.3% reduction in recurring administrative expenses, depreciation and amortisation, reflecting the cost synergies arising from the merger.
A statement on the DNB website said ATB depositors would be covered up to 100,000 euros ($108,000) each under the Netherlands' deposit guarantee system.
The placing was made through Barclays Principal Investments subsidiary, with Absa, Citigroup, Banco Santander and Société Générale arranging the sale.
Firms have until the end of May to apply for the six-month incubation period, during which they will get access to SocGen's expertise and the chance to try out their offerings in real-life business environments.
The change in the group's financial reporting will have a negative impact of 766 million euros ($841 million) on the country units' net interest income, a measure of earnings on loans minus deposit and wholesale funding costs.