10. Employee benefits
10.6 Sensitivity analysis
 
    Group   Company  
    31 March  
2025  
Rm
  
31 March  
2024  
Rm  
31 March  
2025  
Rm
  
31 March  
2024  
Rm  
   Increase/(decrease) in the post-employment liability 
The Telkom Pension Fund              
Increase in discount rate by 0.5%  (1) (1) (1) (1)
Decrease in discount rate by 0.5% 
Increase in inflation rate by 1% 
Decrease in inflation rate by 1%  (2) (2) (2) (2)
Increase in salary inflation by 1% 
Decrease in salary inflation by 1%  (2) (2) (2) (2)
Change in post-retirement mortality rating from -1 to -3 years  —  — 
Change in post-retirement mortality rating from -1 to 0 years  (1) (1) (1) (1)
The Telkom Retirement Fund1              
Increase in discount rate by 0.5%  —  (1 213) —  (1 213)
Decrease in discount rate by 0.5%  —  1 313  —  1 313 
Increase in inflation rate by 1%  —  2 874  —  2 874 
Decrease in inflation rate by 1%  —  (2 395) —  (2 395)
Increase in net TRF fund rate by 0.5%  —  368  —  368 
Decrease in net TRF fund rate by 0.5%  —  (364) —  (364)
Increase in TRF take-up ratio from 55.6% to 100%  —  387  —  387 
Medical benefits              
Increase in discount rate by 0.5%  (36) (33) (36) (33)
Decrease in discount rate by 0.5%  38  35  38  35 
Increase in inflation rate by 1%  59  56  59  56 
Decrease in inflation rate by 1%  (53) (51) (53) (51)
Change in post-retirement mortality rating from -1 to -3 years  56  52  56  52 
Change in post-retirement mortality rating from -1 to 0 years  (55) (51) (55) (51)
Telephone rebates              
Increase in discount rate by 0.5%  (12) (9) (12) (9)
Decrease in discount rate by 0.5%  13  13 
Increase in inflation rate by 5%  192  139  192  139 
Change in post-retirement mortality rating from -1 to -3 years 
Change in post-retirement mortality rating from -1 to 0 years  (6) (4) (6) (4)
Increase in normal retirement age from 56 years to 60 years  (22) (19) (22) (19)
Decrease in normal retirement age from 56 years to 50 years  16  16  16  16 
1 The TRF was derecognised in the current financial year. Refer to notes 2.5.1 and 10.3 for details.