...FRANKFURT (Standard & Poor's) July 29, 2015--Standard & Poor's Ratings Services said today that its insurer financial strength and counterparty credit ratings on Switzerland-based global multiline insurer Zurich Insurance Co. Ltd. (Zurich; ##-/Positive/--) and related core subsidiaries are unaffected by the group's announcement that it is evaluating a potential offer for U.K.-based insurer RSA Insurance Group PLC (core operating entities rated A/Stable/A-1). Zurich has said that any offer, if made, will be solely in cash. From our perspective, the potential transaction has not yet reached a sufficiently concrete stage to take any rating action. We will nevertheless closely monitor the news flow surrounding Zurich's intention over the coming weeks as more information becomes available. Under Standard & Poor's policies, only a Rating Committee can determine a Credit Rating Action (including a Credit Rating change, affirmation or withdrawal, Rating Outlook change, or CreditWatch action). This...