May 11 (Reuters) - Assicurazioni Generali Spa
* Generali says Q1 operating profit rises 4.2 percent to 1.212 billion euros.
* Generali says Q1 net profit falls 9 percent to 535 million euros versus Thomson Reuters consensus of 598 million euros.
* Generali says regulatory solvency ratio at 178 percent at end-March; economic solvency ratio at 195 percent.
* Generali says books Q1 impairments of 42 million euros attributable to Alitalia Source text for Eikon: Further company coverage: (Reporting by Stephen Jewkes; Editing by Mark Bendeich)