Notice of Convening the Annual General Meeting of Shareholders

Meeting agenda:

1. On amendments and additions to the Charter of JS Company Montazhspetsstroy;

2. On amendments and additions to the Regulation on the Board of Directors of JS Company Montazhspetsstroy.

The list of Company shareholders entitled to participate in the meeting is compiled as of July 1, 2026. Registration of meeting participants will take place on July 20, 2026, at the venue from 09:15 to 10:15. In the absence of a quorum, a repeat meeting will be held on July 21, 2026, at the same time and at the same address. Meeting materials may be reviewed from July 13, 2026, with the Companys Corporate Secretary (4th floor, office 415).

Dear shareholders, please be reminded that, pursuant to clause 7.9 of the Companys Charter, in the event shareholders fail to provide personal information regarding contact details and personal registration data, and such information is also unavailable in public sources, the Companys obligation to send written notice is deemed fulfilled by posting the Notice of the General Meeting of Shareholders on the Companys website (corporate site): https://mcc.kz.

Prepared by:

Corporate Secretary of the Company

A. Almenova

Tel.: 87017697858