June 12 (Reuters) - Moody's :
* MOODY'S: AFFIRMS UBS GROUP AG'S SENIOR UNSECURED DEBT RATINGS AT A3 AND CHANGES OUTLOOK TO POSITIVE FROM NEGATIVE
* MOODY'S: UPGRADES CREDIT SUISSE GROUP AG'S SENIOR UNSECURED DEBT RATINGS TO A3, WITH A POSITIVE OUTLOOK, CONCLUDING REVIEW FOR UPGRADE
* MOODY'S: AFFIRMS RATING OF UBS GROUP AG'S AT1 INSTRUMENTS AT BAA3 (HYB) Source text for Eikon: Further company coverage: