To create efficient EWS, as measures for financial stability analysis, supervision measures, and to be consistent with OIC announcement regarding asset valuation and debt of non-life insurance company 2011, and OIC announcement for determination & category of capital fund, including criteria, methods, and conditions for capital fund calculation 2011, EWS was then reviewed and adjusted, including brainstorming ideas from corporate sectors in order to create appropriateness in both supervision and insurance industry environment.