For the three months ended 31 March 2026, P&C premiums rose by 4% to €21.46bn ($25.26bn).
After-tax adjusted operating income increased by 7.6% to $1.28bn from $1.19bn a year earlier.
RoE was 21.7% in Q1 2026, while group economic value rose by 7.4% at constant economics.
The regulator will investigate the underlying reasons for poor practice in the market, including forceful promotion and deceptive advertising.