| Surname, first name | Kalyyev Almaspek |
| Job title | Chairman of the Board of Directors |
| Name of the issuer, its subsidiaries and affiliates, in which there was a change of interest | "Polybeton" OJSC |
| Share in the authorized capital before the change | 20,08% |
| Share in the authorized capital after the change | 0% |
| Date from which the change in the share occurred | December 12, 2022. |