1. page 1 Indonesian-German Renewables Forum PV Hybrid Systems 16-20 September 2013, Jakarta Ingo Meyer I VP Sales & Marketing b+w Electronics Systems GmbH & Co. KG Oberhausen, Germany

2. page 2June 4, 2014 PV-Hybrid DC Power Solutions For Unstable Grids On Wireless Sites

3. page 3 Established in 1980 Central design and manufacturing in Oberhausen Production of power systems opened in 1992 Nokia OEM partner for power units since 1992 Delivered over 100.000 power distribution units since 1992 Delivered over 70.000 systems since 1992 Quality Standards: ISO 9001:2000, ISO 14001 Up to maximum 1.000 Systems per month June 4, 2014 b+w Experience

4. page 4 Headquarters, Oberhausen June 4, 2014 b+w Experience

5. page 5 *Source: Capgemini, Telecom, Media & Entertainment Operating costs of tower infrastructure, like diesel generators, air-conditioning equipment, and security and site rentals, form a significant portion of nearly 60% of site expenses.* 60% of site expenses June 4, 2014 Situation On Telecom Wireless Sites

6. page 6 Source: Money Week 2012 4 17 Oil prices have been on everyone's mind, having spiked 141% over the last 3 years. USD 141% June 4, 2014 Oil Prices Go Up

7. page 7June 4, 2014 Green Field Site Solution: With SolarCube Low Energy Passively Cooled Outdoor Cabinet

8. page 8 Shelter, BrazilSolarCube, Brazil June 4, 2014 Case Study Brazil: SolarCube Vs. Shelter 87% savings

9. page 9June 4, 2014 Case Study Brazil: SolarCube Vs. Shelter 87% savings

10. page 10 OPEX calculation from EADS shows a 87% energy saving with SolarCube vs. a Shelter. 87% energy saving June 4, 2014 Case Study Brazil: SolarCube Vs. Shelter 87% savings

11. page 11June 4, 2014 Green Field Off Grid Site Solution: SolarCube + HybridCube Independent DC Power Supply DC SolarCube plus HybridCube Solar power and battery backup Supplemented with standby DC generator Off grid wireless sites

12. page 12 The b+w HybridCube is a compact independent off grid DC power supply system for outdoor telecom equipment utilising solar panels, diesel generator and batteries. June 4, 2014 HybridCube Independent DC Power Supply

13. page 13June 4, 2014 Break Even Expected At 2 Years

14. page 14 Conventional Shelters with DG Sets SolarCube Low Energy Passively Cooled Outdoor Cabinet HybridCube Hybrid Power Independent DC PowerSupply June 4, 2014 Our Solution For A Typical Green Field Telecom Tower Infrastructure

15. page 15June 4, 2014 The Customer Benefits b+w will help to improve your life for a better future. Lets get started.

16. page 16June 4, 2014 Contact: Ingo Meyer VP Sales & Marketing b+w Electronic Systems GmbH & Co. KG Zur Eisenhuette 11 D-46047 Oberhausen Mobile: +49 163 2626675 Mail to: ingo.meyer@b-w.com www.b-w.com