8 REINSURANCE MARKET Estimated Market Share of the top five World-Wide Reinsurance Groups: 47% (up from 40% in 2005) (Munich Re, Swiss Re, Lloyd’s, Hannover Re, & Berkshire Hathaway Re) Estimated Market Share of the top five World-Wide Reinsurance Groups: 47% (up from 40% in 2005) (Munich Re, Swiss Re, Lloyd’s, Hannover Re, & Berkshire Hathaway Re) S&P: Global Reinsurance Highlights, Sept.