...S&P Global Ratings' financial strength ratings on Swiss Re Ltd. (SRL) and its key subsidiaries reflects the company's very strong quantitative and qualitative metrics. The ratings reflect our view of the top tier position SRL holds within the global reinsurance sector, with lead account capabilities across almost all lines and geographies. It also reflects our view that the global reinsurance sector is inherently more volatile than many other insurance sectors. Furthermore, the rating on SRL also reflects our view that the group will remain very well capitalized (at the '###' level) even after the third quarter (Q3) U.S. hurricane season losses. In 2016, 63% of SRL's net premiums earned (NPE) were from the non-life business, and 37% from life and health (L&H). The group also has a presence in many significant markets, with 45% of its NPE generated from Americas; 33% from Europe, the Middle East, and Africa (EMEA); and 22% from Asia-Pacific. Since 2012, the group has operated through three...