Deferred benefit
The employer portion of pension originally deferred is adjusted in accordance with movements in the Consumer Price Index (All Groups Index) for Sydney, between the date the benefit was deferred and the date it is eventually paid.
For more information refer to STC Fact Sheet 11: CPI Adjustment of your pension
Immediate lump sum
This is the benefit that would otherwise have been paid at the time you ceased employment, adjusted for investment earnings at the Fund Earning Rate and management charges since the date the benefit was deferred.