Company presentation 1 Corporate Structure Silbitz Group Gmb

Company presentation 1

Corporate Structure Silbitz Group Gmb. H o Overview o History o Key Figures o Industries o Locations o Mission o References o Products 100% Silbitz Guss Gmb. H ZGGZeitzer Guss Gmb. H Eurocast Košice s. r. o o Certificates o Contact 2

Industries Drive Engineering o Overview o History Wind Energy Technology Motor Construction o Key Figures o Industries Power Engineering o Locations o Mission o References Tool Engineering Railway Technology o Products o Certificates o Contact Machine Construction Machines Metallurgical Technology 3

Industries Wind Power Drive Technology 35% 21% Engine (Non-Automotive) 14% Railway Metallurgy 7% 6% o Overview o History o Key Figures o Industries Production of casting components for wind turbines with focus on rotor hubs and mainframes Silbitz provides cast iron components for large gearbox manufacturers Focus on pistons, engine blocks and cylinder caps Focus on housings, planet carriers, bearing housings o Locations o Mission o References Manufacturing of castings for rail component manufactures with focus on ribbed base plates, brake discs and axle-bearing carriers Refounding of customer specific alloys and circulation material for reuse Supply of components for steel mills, incl. chills, grate bars and pillings Machine Tooling Mechanical Engineering Thermal Turbines Construction Machinery 6% 4% 4% 3% o Products o Certificates o Contact § Production of cutting attachments and dies for the tool engineering industry § Manufacturing of casting components for the production of machinery § Focus on eccentric wheels and herringbone gears § Product focus on steam and gas turbines § Casting components in casting steel § Key products are tumblers, Key products are guide carrying axles, hubs and vanes, diffusors and fixedbase plates for mobile blade carriers as well as mining applications outer housings 4 Silbitz Group | In cooperation with Global Castings §

Silbitz Guss Gmb. H Weight range 10 kg – 8, 000 kg per unit o Overview o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact Quality castings made of Ø nodular cast iron(GJS) Ø compacted graphite cast iron (GJV) cast steel (GS) Ø stainless steel (GX) Ø austempered ductile iron (ADI) 5

Zeitzer Guss Gmb. H Weight range 4 t – 45 t per unit in future up to 65 t o Overview o History o Key Figures o Industries o Locations o Mission o References o Products Quality castings made of Ø nodular cast iron(GJS) Ø cast iron with lamellar graphite (GJL) o Certificates o Contact 6

EUROCAST Košice Weight range 10 kg – 12, 000 kg per unit o Overview Layout des Betriebsgeländes o History o Key Figures o Industries o Locations o Mission o References o Products Quality castings made of Ø nodular cast iron(GJS) Ø cast iron with lamellar graphite (GJL) o Certificates o Contact 7

Our Vision o Overview o History o Key Figures o Industries o Locations o Mission o References We are your partner for demanding casts __________ From design to the completely machined part o Products o Certificates o Contact 8

Additional Value Offer solutions to make advances to the partner o Overview CAD / Model production Construction Casting Machining Coating Transpor t o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact 9

Quality Process DFMEA Drawings o Overview o History Product CTQ’s o Locations Process Quality & Improvements Product Quality & Improvements Design Documents TPS Lessons Learned AQP Advanced Quality Planning Process CTQ’s o Key Figures o Industries Quality Plan Process Flow Diagram 8 D Process FMEA o Mission o References o Products o Certificates Control Plan QIP NCR Process Inspection Instructions MSA Studies o Contact Gage R&R Bias Linearity Stability Process & Product Quality Capability Studies PPAP Submissions Customer 10

Customer References Drive Engineering Wind Energy Technology Motor Construction o Overview o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact 11

Customer References Power Engineering Tool Engineering Railway Technology/ Utility Vehicles o Overview o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact 12

Customer References Machine Construction Machine Metallurgical Technology o Overview o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact 13

Thermal Turbines o Overview o History o Key Figures o Industries o Locations Bearing Body EN-GJS-400 -15 1. 500 kg – 6. 000 kg Inner Casting EN-GJS-400 -15 15. 000 kg – 35. 000 kg o Mission o References SEV Inner Carrier EN-GJS-GX Si. Mo 4 -1 2. 000 kg – 5. 800 kg o Products o Certificates o Contact Seal Carrier G 17 Cr. Mo. V 5 -10 250 kg – 3. 000 kg Inner Casting EN-GJS-400 -15 15. 000 kg – 35. 000 kg 14

Thermal Turbines Guide Blade Simulation Guide Blade GX 5 Cr. Ni 13 -4 40– 100 kg o Overview o History o Key Figures o Industries o Locations o Mission o References o Products o Certificates o Contact Outer Diffusor EN-GJS-400 -15 Raw weight: 1, 800 kg Guide Blade Carrier EN-GJS-400 -15 Raw weight: 5, 290 kg 15

Thermal Turbines Castings for Steam and Gas Turbines o Overview • • o History o Key Figures Outer liner Inner liner Blade carrier Bearing pedestal o Industries o Locations Blade carriers Air take casing o Mission o References o Products o Certificates Gas turbine housing Combustion chamber casing Compressor casing o Contact 16

Certificates & Quality Management o Overview o History DIN EN ISO 50001: 2011 DIN EN ISO 14001: 2004 certified DIN EN ISO 9001: 2008 und VDA 6. 4 certified F F o Key Figures o Industries o Locations F o Mission o References o Products f F o Certificates o Contact F F 17