Certificates: CWI AWS, certificate № 23063461, till 01.06.2026 International Welding Engineer, Diploma № RU-IWE-0675-1 International Welding Inspector Comprehensive Level, Diploma № RU-IWI-C-0131-1 NOSTROY / НОСТРОЙ member, registry number: C-28-240894, NOPRIZ / НОПРИЗ member, registry number: ПИ-137067 NAKS IV Level / НАКС IV уровень: GO (Gas Equipment) 1,2,2p,3,4,5,6,7; KO (Boiler equipment) 1,2,3,4,5; PTO (Lifting equipment) 1,2,3,4,5,6,7,8,9,10,11,12,13,14; MO (Metallurgy equipment) 1,2,3,4,5,6; NGDO (Oil and Gas production equipment) 1,2,3,4,5,6,8,9,10,11,12,13 with requirements of Gazprom pls.; OHNVP (Equipment of chemical, petrochemical, oil refinery and gas processing plants) 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16; GDO (Mining equipment) 1; OTOG (Dangerous cargo transpor-tation) 1,2,3; SK (Civil construction) 1,2,3,4; KSM (Bridge steel structures) 1,2 till 02.07.2026 NAKS III level: OHNVP p.1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, SK p. 1,2,3,4, KO p. 1,2,3,4,5, till 16.01.2022 г. VT, PT, MT, UT, RT: p. 1, 2, 3, 4, 6, 7, 8, 11, 12 till 25.06.2024 LT: p. 1, 2, 3, 4, 6, 7, 8, 11 till 30.07.2021 Acoustic-emission Testing: p. 1,2,3,4,6,7,8,11,12 till 14.01.2025 Rostechnadzor safety rules certificate Certificate for working at heights till 04.03.2027 Responsibilities: - responsibilities of the Head of welding department, QA/QC Manager, QA/QC Engineer of welding de-partment of Renaissance Heavy Industries branch at construction site of Amur Gas Processing Plant, project P3 of Maire Tecnimont Spa, www.agpp-project.com, General contractor NIPIGAS, Customer Gazprom pls, Amur region, Russian Federation. - All possible issues regarding welding; - operating management of welding department of Renaissance Heavy Industries branch at construction site of Amur Gas Processing Plant; - welding regulatory documentation analysis; - analysis of required welding technologies needed to perform all welding tasks faced by Company at construction site of Amur Gas Processing Plant; - analysis of all range of welding technologies which will be used at project to be subjected to certifica-tion at NAKS (process piping ASME B31.3, GOST 32569-2013, BPV, API tanks, steel structures, plas-tic piping, reinforcement bar etc.); - certification at NAKS of welding technologies, welding engineers, inspectors, welders, welding equipment, welding consumables; - technological readiness for welding production; - providing with all technological documentation regarding welding; - quality assurance; - quality control; - welding consumables consumption calculations; - punch list, NCR, corrective actions; - site inspections (erection, assembly, welding, PWHT, NDT); - WPQR (ASME BPVC Sec. IX, ASME B31.3); - welders performance qualification testing for construction of Amur Gas Processing Plant; - welders list; - WPS (ASME Sec. IX, ASME B31.3) and various Russian Standards; - NDT and DT - production progress - welders tool-box - welding meetings with designer, general contractor and customer (Maire Tecnimont Spa, NIPIGAS, Gazprom)

- responsibilities of welding engineer at production and erection of Process piping construction site of Amur Gas Processing Plant, project of Linde AG General contractor NIPIGAS, Customer Gazprom pls, Amur region, Russian Federation. - NAKS welders certification - welders performance qualification at construction site of Amur Gas Processing Plant (piping, steel structures, tanks, BPV etc.) - welders list - WPS (Linde LS-145-10, ASME BPVC Sec. IX, ASME B31.3 and GOST 32569-2013); - NDT and DT request - quality control - welders tool-box - welding consumables consumption calculations - material requirements for welders performance qualifications calculations - welding meetings with Linde AG, NIPIGAS, Gazprom

responsibilities of QA/QC Manager / QA/QC Engineer Customer representative at Process piping erection at Technip project for “Gazpromneft-ONPZ” CDU-Complex, Omsk, Russian Federation. - Supervision and correction of Method Statements (PPR etc.) for all construction activities regarding welding; - Supervision of availability of all required certificates of General contractor, contractor and subcontrac-tor personnel; - Hot and cold work permit inspection; - Incoming control supervision; - Permit, work and as-built documentation supervision; - Quality control; - Site inspection (erection, assembly, welding, PWHT, NDT); - WPS, PQR, WPQ supervision; - Issuing of NCR, punch list supervision;

- responsibilities of QA/QC Manager / QA/QC Engineer Customer representative at Process piping erection at “Amur gas processing plant” project of Linde AG, General contractor NIPIGAS, Customer Gazprom pls, Amur region, Russian Federation. according to ASME B31.3 2016, ASME BPVC, GOST 32569-2013, Linde AG standards. - Supervision and correction of Method Statements (PPR etc.) for all construction activities regarding welding according to ASME B31.3 2016, ASME BPVC, GOST 32569-2013, Linde AG standards; - Supervision of availability of all required certificates of General contractor, contractor and subcontrac-tor personnel; - Hot and cold work permit inspection; - Incoming control supervision; - Permit, work and as-built documentation supervision; - Quality control; - Site inspection (erection, assembly, welding, PWHT, NDT); - WPS, PQR, WPQ supervision; - Issuing of NCR, punch list supervision;

- WPQR and WPS according to EN 719, EN 288-3, ISO 3834-3, ISO 15600 series etc. (high-pressurized vessels, gas pipelines, hot water pipelines, heavy-lifting machinery etc.); - certification (WPQT) of SMAW, GTAW and MIG/MAG welders according to EN 287-1; - supervising/inspection of welding and welders; - development of MTW’s Quality management documents for resistant spot and seam welding; - installment, maintenance and programming of arc-welding and plasma-cutting industrial robots from ground zero to fully functioning production line (Kawasaki robots, AS programming language); - installment, maintenance, development of technology/tools for Electron beam welding machines, arc-welding and plasma-cutting robots; - flow charts of production of welded parts; - registration of ionizing equipment at government authorities; - development of operating instruction for arc welding electron beam welding, resistance spot and seam welding, butt welding and friction welding; - development of safety instruction documents for welders, welding operators; - income control of welding materials; - solving of all types of production problems involving arc welding, electron beam welding, resistance spot and seam welding, butt welding and friction welding. - translation of different, mostly technical, materials of welding technologies, e.g. industrial robots, fric-tion welding, spot welding, electron beam welding etc. - solving of all types of production problems involving arc welding, electron beam welding, resistance spot and seam welding, butt welding and friction welding; - development and supervision of flow sheet of welding; - estimation of production capacity of equipment and requirement of equipment; - development of layout drawings of welding production lines and shops; - coordination with designer of flow sheet of production and assembly; - search and selection of requisite equipment.

Institute of further training and retraining, Faculty of foreign languages for leading employees and spe-cialists, “German language in professional activity of a specialist”

Mechanical-technological faculty, Equipment and technology of welding production

Foreign languagies, “Modern foreign language (professional communication), degree: translator (English language)”

Welding Engineering Online LLP, Almaty, Kazakhstan, CWI AWS, certificate: 23063461, name: Dzhavala, till 01.06.2026

NOAP-ANO "DIEKS", Acoustic-emission Testing: groups 1, 2, 3, 4, 6, 7, 8, 11, 12 till 14.01.2025

Scientific and training center “Testing and Diagnostics”, Moscow, Russian Federation, IWE, Diploma № RU-IWE-0675-1

Scientific and training center “Testing and Diagnostics”, Moscow, Russian Federation, IWI-C, Diploma № RU-IWI-C-0131-1

NAKS LLC, South regional main certification center №3, NAKS IV Level / НАКС IV уровень, SK, GO, PTO, NGDO, OHNVP, GDO, MO, KO, KSM, OTOG, all paragraphs till 02.07.2026

NOAP-ANO "DIEKS", NDT, II Level, VT, PT, MT, RT, UT, LT, groups 1, 2, 3, 4, 6, 7, 8, 11, 12 till 25.06.2024

NOSTROY / НОСТРОЙ, NOSTROY / НОСТРОЙ member number C-28-240894

NOPRIZ / НОПРИЗ, NOPRIZ / НОПРИЗ member number ПИ-137067

"Institute of Industrial safety" LLC, LT: groups 1, 2, 3, 4, 6, 7, 8, 11 till 30.07.2024

NAKS LLC, South regional main certification center №3, Welding NAKS III Level, ОHNVP 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, SK 1,2,3,4, KO 1,2,3,4,5 till 16.01.2022

NOAP-ANO "DIEKS", NDT, II Level, Penetrant testing, groups 1,6,8,11 till 24.05.2022

NOAP-ANO "DIEKS", NDT, II Level, Visual testing, groups 1,2,6,8,11 till 01.06.2021

Belorussian National Technical University, Third degree expert in welding according to equivalent of EWF-511-01 of European welding federation