Investor Presentaiton

Emerging trends: in renewable energy procurement • Key issues in operationalizing the selected renewable energy plan: • Emergence of battery storage systems: Price trend of battery storage system PTC India 2020 Lithium-ion capacities Lithium-ion battery price survey results: volume-weighted average Battery pack price (real 2018 $/kWh) 22% 1,160 21%- 899 8% 707 650 1-11%-35% 577 23%- 373 26% -18% 288 214 176 2010 2011 2012 2013 2014 2015 2016 2017 2018 Source: BloombergNEF Average battery pack price (in $ per kWh) 174 GWh China 108 GWh U.S. 38 GWh S. Korea 23 GWh Poland 5 GWh Case study of NTPC- Andaman projects China seems a dominating market leader in Li-ion Battery Production worldwide Force Majeure

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