CERTIFICATEThe Certification Body

of TÜV SÜD Landesgesellschaft Österreich GmbH

certifies that

HEAT wärmetechnische Anlagen GmbHSiegfried Marcus-Straße 9, 2362 Biedermannsdorf, Austria

including the sites / scopes see enclosure

has established and appliesa Management System for

Design, Production, Erection and Sales of Equipment and Systems forGas, Heating, Cooling and Environmental Engineering

Design, Erection, Maintenance of Units and Components for AlternativeEnergy Systems and for the Oil- and Gasindustry

Construction, maintenance and trade of equipment for thermal andcatalytic incineration

An audit was performed, Report No. 153634

Proof has been furnished that the requirementsaccording to

ISO 9001 : 2015are fulfilled. The certificate is valid until 2022-03-31

Certificate Registration No. Q1530434

Vienna, 2019-05-03

Certification Bodyof TÜV SÜD Landesgesellschaft Österreich GmbH

Franz-Grill-Straße 1 · Arsenal, Objekt 207, 1030 Vienna, Austria

Enclosure 1 / 1 of Certificate No.:

Q1530434

The scope of application for

HEAT wärmetechnische Anlagen GmbHSiegfried Marcus-Straße 9, 2362 Biedermannsdorf, Austria

comprises all listed sites

R + I Rohr- und Industrieanlagen GmbHSiegfried Marcus-Straße 9

2362 Biedermannsdorf, AustriaBranch Office:

Gewerbepark, Penzendorf 254,8230 Greinbach, Austria

Design, Engineering, Production and Erection ofHighpressure-Pipingsystems and Components for

the Oil-, Gas-, Heating- and Environmental Industry

HEAT Hungary Műszaki Innovációs és Kereskedelmi Kft.

Attila út. 63, 1040 Budapest, Hungary

Design, Production, Erection and Sales of Equipmentand Systems for Gas, Heating, Cooling and

Environmental Engineering

LOG Oiltools Kft.Erdész u. 28, 8800 Nagykanizsa, Hungary

Engineering, Distribution, Assembling and Servicefor Gas-/Oilexploration and Production Equipment

PSC Personalmanagement GmbHSiegfried Marcus-Straße 9

2362 Biedermannsdorf, AustriaBranch Offices:

Preßlgasse 3/1, 8230 Hartberg, AustriaGrawatschgasse 4/ 14, 1230 Wien, AustriaKärntnerstraße 400/13, 8054 Graz, Austria

Personnel rental and consulting

R + I Anlagen- und Gebäudetechnik GmbHSiegfried Marcus-Straße 9

2362 Biedermannsdorf, Austria

Trading, Design, Engineering and Erection ofFacilities and Components for Industry and Buildings

Vienna, 2019-05-03

Certification Bodyof TÜV SÜD Landesgesellschaft Österreich GmbH

Franz-Grill-Straße 1 · Arsenal, Objekt 207, 1030 Vienna, Austria