Renewable Energies Conference Four Seasons Hotel, Austin, TX April 14, 2010

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1 Renewable Energies Conference Four Seasons Hotel, Austin, TX April 14, 2010 Main-Metall Tribologie GmbH Frank Rech Sales Manager

2 Main-Metall: Plain bearings and more Main-Metall is a developer, producer and supplier of a wide range of high-quality plain bearings and guiding elements for the mechanical engineering and plant manufacturing industries Unrivalled product range of plain bearings, bearing materials and non-ferrous castings Expert advice, customised solutions and unique design, complement our comprehensive service package

3 Main-Metall: Innovative markets are our home ground Tribology, the science of friction, lubrication and wear, is our profession and calling Technical know-how has made Main-Metall an eagerly sought after business partner in the global market On the move for more than 80 years - that is the secret of our success

4 History For more than 80 years 1926 Saarbrücker Metallgusswerke was founded by Fritz Schorr and Albert Kretzler Saarbrücker Metallgusswerke moves to Kitzingen-on-Main Fritz Schorr ventures a fresh start and establishes Main-Metall-Gießerei Fritz Schorr. He markets a new bearing material under the registered trademark "Main-Metall " Further extension of the product range with self-lubricating bearings and guiding elements for low-maintenance and maintenance-free applications under the product name "MFA"

5 History For more than 80 years 1993 Take-over of Main-Metall Española, S.L. in Torrelavega which had been a licensee of Main-Metall since Activity in the South-American market through the foundation of Main-Metall do Brazil in Sao Paulo, Brazil "Technologiegruppe Main-Metall (TMM)" is established with selected members of practical and scientific background Development and market introduction of norixlager

6 History For more than 80 years 2003 Development and market introduction of balixlager Main-Metall International AG is established in Switzerland to focus on international markets Development projects in future markets like power generation, wind energy and mining Substantial investments in our manufacturing plants to increase output and introduce innovative processes Group restructuring and establishment of Main-Metall Tribologie GmbH in Germany

7 Product Groups Diversity and Precision Tribology from Main-Metall The Company s Own Brand Self-lubricating Bearings High-Tech Bearings The Indestructibles

8 << Back Product Groups Diversity and Precision Tribology from Main-Metall The Company s Own Brand Main-Metall is our proprietary zinc-aluminium-copper alloy for bearings and guiding elements. It has excellent sliding characteristics, high wear resistance and high thermal conductivity; additionally, it is very cost effective in comparison with copper alloys. Examples Planetary Gearbox Pins Slide Plates Thrust Bearings Bearing Shells

9 << Back Product Groups Diversity and Precision Tribology from Main-Metall High-Tech Bearings This group of hydrodynamic plain bearings consists of cylindrical, multilobe, tilting pad and journal/thrust plain bearings. We apply state of the art methods to calculate and design bearings to your specification and we use the latest technologies in engineering, material science and manufacturing. Examples balixlager norixlager Thrust Bearings Tilting Pad Bearings

10 << Back Product Groups Diversity and Precision Tribology from Main-Metall Self-lubricating Bearings We manufacture copper-based bearings and guide elements with solid lubricant deposits called "MFA". These bearings are appropriate for applications with high loads and low speeds and when oil or grease lubrication are not desired or not available. Our proprietary solid lubricant compound is superior to the usual graphite inserts. Examples Guide posts FSD Thrust washers ASB Custom design Custom design

11 << Back Product Groups Diversity and Precision Tribology from Main-Metall The Indestructibles Our plain bearings made of cast copper-based alloys are characterized by their optimum anti-friction properties and resistance to wear. The advantages are high load capacity, optimum sliding performance, minimum wear and long service life. Plain bearing Examples Slide plates

12 Growing markets need reliable and flexible partners Dynamic and expanding markets are your challenge You need a reliable partner Main-Metall is the partner by your side We think and act like you We know your markets And we will assist you to find the best solution for your challenges

13 Know how & Partnership We develop solutions to your business challenges

14 Success story: Plain-bearings for wind turbines Pioneering application of plain bearings from Main-Metall in next generation offshore wind turbines Prototypes 5MW running without incidents Outstanding advantages: superior lifetime less weight less noise short-term availability and significantly lower cost

15 Quality Management We make sure that quality gets our full attention Our quality management system according to ISO 9001 not only covers our products and services but also our internal procedures We set high standards and we aim for continuous improvement Our quality policy is driven by customer satisfaction We make sure you get quality products at fair market prices.and within the agreed deadline

16 Thank you for your attention! Main-Metall: Your Tribology Partner