10. Employee benefits
10.6 Sensitivity analysis
 
  Group Company
  31 March
2026
Rm
31 March
2025
Rm
31 March
2026
Rm
31 March
2025
Rm
  Increase/(decrease) in the post-employment liability
The Telkom Pension Fund        
Increase in discount rate by 0.5% —  (1) —  (1)
Decrease in discount rate by 0.5% —  — 
Increase in inflation rate by 1%
Decrease in inflation rate by 1% (1) (2) (1) (2)
Increase in salary inflation by 1%
Decrease in salary inflation by 1% (1) (2) (1) (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)
Medical benefits        
Increase in discount rate by 0.5% (38) (36) (38) (36)
Decrease in discount rate by 0.5% 40  38  40  38 
Increase in inflation rate by 1% 62  59  62  59 
Decrease in inflation rate by 1% (56) (53) (56) (53)
Change in post-retirement mortality rating from -1 to -3 years 59  56  59  56 
Change in post-retirement mortality rating from -1 to 0 years (57) (55) (57) (55)
Telephone rebates        
Increase in discount rate by 0.5% (13) (12) (13) (12)
Decrease in discount rate by 0.5% 14  13  14  13 
Increase in inflation rate to 5% 212  192  212  192 
Change in post-retirement mortality rating from -1 to -3 years
Change in post-retirement mortality rating from -1 to 0 years (6) (6) (6) (6)
Increase in normal retirement age from 58 years to 60 years (9) (22) (9) (22)
Decrease in normal retirement age from 58 years to 50 years 33  16  33  16