...May 20, 2020 - Despite governments' and central banks' measures to contain the COVID-19 pandemic, global economies face an unprecedented challenge. - We think that UBS Group AG's diversified business profile, well-collateralized credit exposures, and healthy capital and liquidity positions are significant mitigants to this external shock. - We are therefore affirming our ratings on UBS Group AG and its subsidiaries. - The stable outlook reflects our view that UBS should maintain resilient earnings and robust balance sheet metrics despite weakened operating conditions and higher credit losses. LONDON (S&P Global Ratings) May 20, 2020--S&P Global Ratings today affirmed its 'A-/A-2' issuer credit ratings on Swiss bank holding company UBS Group AG. At the same time, we affirmed our issuer credit ratings on related entities, including the 'A+/A-1' ratings on core operating subsidiaries such as UBS AG. The outlook remains stable. In addition, we affirmed our issue ratings and resolution counterparty...