The provisions for retirement severance pays and post-mortem benefits are estimated with actuarial methods using appropriate actuarial techniques and assumptions – discount rates, consistent with the zero-coupon Treasury bond yield curve, mortality rate adopted at the level specified in the PLET, expected salary increase rate in individual PZU Group companies, employee turnover rate (diversified in terms of, among others, the employee’s age, years in service and gender) and the disability rate (disability pensions) adopted as an appropriate percentage of the mortality rate.