Thanachart One Report 2021 - EN

88 25.4 Insurance/Life insurance risk Life insurance Insurance risk is the risk that actual claim and benefit payments under life policies will differ from expectations because fluctuations in frequency, violence and the timing result cause them to deviate from the assumptions that were used in determining premium rate, insurance reserve calculation and the underwriting process. Insurance risk is classified into 3 categories based on the source of risk which are insurance product development and product pricing risk, underwriting risk, and claims management risk. From the risk above, the subsidiary company manages the risk by designing new products that are competitive and meet customer needs, adjusting premium rates and conditions for underwriting processes so that they reflect the level of risk, and managing the amounts of short-term and long-term investments so that they are appropriate and in line with the situation in the money market and the capital market and the insurance maturity profile. It also reviews the correctness and appropriateness of the models used in the design of products, reviews the principles applied in the underwriting process to ensure they are current and consistent for each risk factor, review the reasonableness of the main assumptions used in estimating long-term insurance policy reserves and test the adequacy of the reserves by designing possible scenarios, such as changes in interest rates that would affect the discount rate, in order to ensure that the subsidiary company has adequate reserves to meet its obligations to its policyholders. Non-life insurance Insurance risk is the risk that fluctuations in the frequency and severity of incidents will deviate from the assumptions used in determining premium rates, calculating claims liabilities and the underwriting process. The subsidiaries have insurance risk management guidelines, the objective of which are to support the achievement of the subsidiaries’ business goals, and these are divided based on the type of risk to ensure clear coverage of the management process and consistency with the strategy of the subsidiaries, as product development and pricing risk, underwriting risk and claims management risk. 304

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