To prevent miles from expiring you should become an Active member, which means:
- Accrue miles for S7 or alliance Oneworld flight under eligible for accrual fare within current calendar year.
- Accrue miles for your purchases with co-brand card. Accumulate at least 5,000 miles (not counting welcome miles and the miles accrued for Partner’s special offers) during the last year of the validity of miles, using co-brand cards paying for goods or services.
Also you can prolong maximum 10,000 miles on a fee basis. For it please refer to the S7 Priority Service Centre by phone 8 800 700-90-10 (free within Russia) or +7 495 783-07-07.