Investor Presentaiton

BDTCL Operational Performance - Q2 FY22 Q2 FY22 Availability (%) 100.0% 99.9% 100.0% 100.0% 99.9% 99.4% 100.0% 99.7% 99.9% 99.8% 99.3% 100.0% 99.8% . Consistent track record of maintaining superior availability and IndiGrid • • • maximize incentives; Q2 FY22 Average availability at ~99.8% Increased Reliability: Trips/Line at 0.10; lowest since inception Digital Asset Management (DigiGrid) in partnership with IBM: • Implemented successfully in 25% of the portfolio To be ramped up across portfolio by Mar-22 Emergency Preparedness: ERS kits added in the inventory to improve ability to restore lines in case of major force majeure events Increased focus on HSE: Normative Availability Availability over Normative • 100% safe man-hours achieved in Q2 FY22 Notes: Final availability certificates awaited Planned outages impacted availability at PTCL, OGPTL and PrKTCL Key Indicators Q2 FY22 Q2 FY21 Proactive reporting and closure of unsafe and near miss conditions Limited impact of second wave of COVID-19: No. of Trips / Line 0.10 0.27 Safe Man Work Hours (%) 100 84.08 Training Man-Hrs (Hours) ~9,000 ~8,198 COVID appropriate behaviors & preventive measures across sites and offices continued Loss Time Incident 0 1 Unsafe conditions reporting (Nos)* 1,796 420 Near Miss reporting (Nos) 2 15 Rooftop (SS) Solar Generation (kWh) 10,082 9,497 Vaccination drives conducted for employees, relatives and site persons as per Govt. regulations; over 95% of total manpower (including contractors) vaccinated Utility Solar (100 MW) All the critical O&M activities continued as usual in Q2 FY22 Generation (MU) CUF/Plant Availability (%) 50.1 22.7/99.63 49.08 22.2/99.80 *Not comparable due to change in methodology

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