Company Presentation REINHAUSEN Group April 1 2010

Company Presentation REINHAUSEN Group April 1, 2010

REINHAUSEN Group Milestones Production start of Shipping Saws in Reinhausen 1868 Maschinenfabrik Reinhausen Andreas Scheubeck 1901 1926 Patent no. 474 613 granted to Dr. -Ing. Bernhard Jansen 1971 Market Introduction of Electronic Voltage Regulator MK 10 1973 Market Introduction of OILTAP® Type M (Mechanical innovation) MRB, Embu/Brazil 1980 RA, Rockdale/Australia 1987 1989 OLTC production taken over from Westinghouse and Siemens RM, Humboldt/USA 1990 RI, Mailand/Italy 1993 MRC, Panyu/China and EMR, Thiruninravur/India 1996 RAP, Kuala Lumpur/Malaysia 1997 Reactive Power Compensation MS (PQM) taken over from Siemens 1998 Primary ISO 9001, ISO 14001, SCC Certification MESSKO, Oberursel/Germany Opening of second Regensburg works in Haslbach 1999 2000 Market Introduction of VACUTAP® Type VV (Switching techn. innovation) MRJ, Yokohama/Japan 2001 Delivery of the 100. 000 th Tap-changer HV, Dresden/Germany 2002 MRR, Moscow/Russia 2003 RP, Regensburg/Germany 2004 SBR (today RZA), Johannesburg/South Africa 2005 MRT, Shanghai/China and RME, Dubai/VAE 2006 MRM, Suzhou/China 2007 RKR, Seoul/South Korea, RLU, Luxembourg and RPC Regensburg/Germany 2009 RCA, Montreal/Canada 2010 Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Low-voltage Compensation Systems business taken over from AEG Ku. W Gmb. H, Berlin/Germany Acquisition of shares in ITASS Iran Transfo After Sales Service Co. MR acquired majority of JE Plasma Consult Gmb. H, Wuppertal/Germany Date: 01. 04. 2010 Page 2 of 14

REINHAUSEN Group Business units, customers and brands Transformer Control manufacture of composite insulators regulation of power design of systems transformers for reactive power compensation Power Composites Power Quality Transformer Control Power Quality PC TC PQ Component Product Enduser Manufacturer System Project Plasma Applications PA Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Plasma Applications Highvolt Test-Systems surface modification using atmosphericpressure plasma technologies Highvolt Test Systems HT high-voltage testing and diagnostic systems Date: 01. 04. 2010 Page 3 of 14

REINHAUSEN Group Organisational Chart General Management (GL) Geschäftsleitung Americas RM, MRB, RCA Transformer Control (TC) Regelung von Transformatoren Diversification Diversifikation Corporate Services Zentrale Dienste Asia-Pacific RA, RAP, RKR, MRJ Sales (CS) Vertrieb Power Composites (PC) Hochleistungskunststoffe Human Resources (HR) Personal China MRA, MRC, MRM, MRT Technology (CT) Technik Power Quality (PQ) Blindleistungskompensation Finance (FI) Finanzen Europe MRR, RI, RLU, MS, HV, JEPC, RPC Marketing (CM) Marketing Highvolt Test Systems (HT) Hochspannungs-Prüftechnik Organisation (OI) Organisation MEIA RME, RZA, EMR, ITASS Production (CP) Produktion Plasma Applications (PA) Plasma-Anwendungen Quality Management (QM) Qualitätsmanagement Zu den 24 Gesellschaften der REINHAUSEN-Gruppe zählen die Maschinenfabrik Reinhausen Gmb. H (MR), 21 Tochtergesellschaften sowie 2 Gesellschaften, mit denen ein Beteiligungsverhältnis besteht (ITASS, EMR). Die REINHAUSEN-Gruppe umfasst die 5 Regionen Americas, Asia-Pacific, China, Europe und MEIA (Middle East India Africa). Neben dem Kerngeschäft Transformer Control/Regelung von Transformatoren (TC) betreibt die REINHAUSEN-Gruppe auch die Sparten Power Composites/Hochleistungskunststoffe (PC), Power Quality/Blindleistungskompensation (PQ), Highvolt Test Systems/Hochspannungs-Prüftechnik (HT) und Plasma Applications/Plasma-Anwendungen (PA). Die Corporate Services/Zentrale Dienste sollen alle Sparten unterstützen. Maschinenfabrik Reinhausen Gmb. H (MR) and their 23 subsidiaries constitute the REINHAUSEN Group which covers 5 regions: Americas, Asia-Pacific, China, Europe and MEIA (Middle East India Africa). Along with the core business Transformer Control (TC), REINHAUSEN Group operates the following Business Units: Power Composites (PC), Power Quality (PQ), Highvolt Test Systems (HT) and Plasma Applications (PA). Corporate Services shall support all Business Units. Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 4 of 14

REINHAUSEN Group worldwide Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 5 of 14

REINHAUSEN Group in Germany Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 6 of 14

MR Delivery program on Power Transformers Buchholz. Relay * Composite Insulators for Bushings Voltage Measurement with Peak Detection Pressure Relief Device MPre. C® Temperature Sensors for Oil Level Indication OLTC Monitoring Digital Oil Temperature Sensors Air Surge Control Ventilation * Load Current Measurement with Peak Detection Shafting Maintenance-free Dehydrating Breather MTra. B® Oil Moisture * Electronic Winding Temperature Calculation MTe. C® – EPT 202 Oil Surge Measurement in Feed and Return Pipes * Gas-in-Oil Sensor * Monitoringsystem TAPGUARD® 240 Motor Drive- and OLTCMonitoring TAPGUARD® 260 Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Voltage Regulator TAPCON® 240/260 Date: 01. 04. 2010 * Accessories made by suppliers other than MR Winding and Oil Thermometer Tap-Changer Page 7 of 14

MR Delivery program (1/5) Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 8 of 14

MR Delivery program (2/5) On-load tap-changer (OLTC) Oil Filter Unit (Accessories) Off-circuit tap-changer (OCTC) Motor Drive (Accessories) Messko Oil Level Indicators Mechanical Thermometers and Accessories VACUTAP® VV, VR, AVT, RMV-II OILTAP® V, MS, M, R, G OF 100 DEETAP® DU TAPMOTION® ED MTra. B® (Maintenance Free Dehydrating Breather) MPre. C® (Pressure Relief Device) MTe. C® Digital Thermometer Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 9 of 14

MR Delivery program (3/5) Monitoring Voltage regulator TAPGUARD® 240 TAPCON® 230 TAPGUARD® 260 TAPCON® 240 TAPCON® 250 TAPCON® 260 Power Quality Management® Reactive Power Compensation (e. g. POCOS®) and Filter Circuits Dynamic Compensation and Active Filters (System solutions) Network Analyses, Studies Measuring Equipment and Reactive Power Regulators Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 10 of 14

MR Delivery program (4/5) Spare parts Provision of spare parts for tap-changers during the entire transformer life guaranteed Spare parts for routine maintenance measures are always on stock and available with short notice Service Technical advice on the operation of tap-changers 45 experienced tap-changer experts in Regensburg for worldwide service, another 80 stationed at our subsidiaries or local Service Agents Tap-changer „Full-Service“ (Mobile Service Truck) Quick availability due to international service network Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Training Customer training either in our well-equipped Training Center in Regensburg or at the transformer site Training offered at our subsidiaries Qualified trainers with long-time service experience Date: 01. 04. 2010 Page 11 of 14

MR Delivery program (5/5) Filament winding tubes ROTAFIL®: tubes made from epoxy resin and e-glass fibers by filament winding for highest electrical and mechanical loads diameters up to 1000 mm, max. length 5700 mm CAD-optimized for internal pressure or bending stress machined on most advanced numerical controlled machining centers Hollow Composite Insulators Re. Co. Tec®: hollow insulators for all kind of high voltage equipment silicone rubber sheds for outdoor applications alternating shed profile as standard, other profiles on demand insulators without sheds for indoor use shortest delivery times MR – quality also for composite insulators Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 12 of 14

REINHAUSEN Group Turnover Net turnover in TEUR +1 % +7 % +30 % Subsidiaries MR Gmb. H * Turnover Reinhausen Power Composites (RPC) included in MR Gmb. H up to and including July 2009, afterwards included in turnover subsidiaries Source: FIG 09. 04. 2010 Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 13 of 14

REINHAUSEN Gruppe Number of Employees Regular employees incl. Trainees as per 31 Dec +8 % +1 % +22 % Subsidiaries MR Gmb. H * Employees Reinhausen Power Composites (RPC) included in number of employees at subsidiaries effective from FC 09/2009 Source: FIG 09. 04. 2010 Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 14 of 14

Marketing © Maschinenfabrik Reinhausen Gmb. H 2010 Date: 01. 04. 2010 Page 15 of y 14