Both agencies said the benefit will hinge on how the five state-owned (re)insurance groups deploy the money, with heavier equity investment raising asset risk.
Higher investment income and robust life insurance results propelled shareholder profit despite mixed performance across the group's non-life businesses.
The figures cover losses from typhoons Maysak and Bavi and wider July flooding, with insurers having already advanced CNY2.89bn (US$427m) to policyholders across Zhejiang, Guangxi and Hubei.
Taiping Hong Kong pledges swift claims handling and full support for those affected by the fire that has killed at least 94 people at the scaffold-wrapped estate.