Investor Presentaiton

We are pushing forward with our environment and climate strategy Highlights from ECB's 2022 Climate risk Stress Test Successful completion of ECB's 2022 Climate risk Stress Test Full adherence to requirements Reflects NBG's firm commitment and progress made towards an effective climate risk management framework and timely adaptation of processes and strategies Scope 1-2-3 emissions (tCO2) ✓ PCAF SCIENCE BASED TARGETS DRIVING AMBITIOUS CORPORATE CLIMATE ACTION Partnership for Carbon Accounting Financials ■ NBG performance highlights compared to EU-wide participating banks average: ✓ Overall performance In line with average -30% 42,801 -99% 23,419 +5% NATIONAL BANK OF GREECE 20201 2021 29,945 ✓ Performance in terms of advancement in internal climate stress-testing capabilities At Medium-Advanced level 2,259 2,381 224 Scope 1 Above average Scope 2 (market-based) Above average Energy upgrades of key buildings LEV/FEV leased car fleet 100% renewable energy 1.8 MWp new P/V installation Performance in terms of transition impact on business model viability At Advanced level (relatively lower risk) Note: Climate risk Stress Test exercise forms part of the green transition roadmap and effective management of climate risks by EU banks and does not constitute a solvency exercise, but its outcome will inform the SREP from a qualitative perspective, without a direct impact on capital through the Pillar 2 guidance 12020 figures recalculated based on the GHG Protocol Corporate Accounting and Reporting Standard (WRI and WBCSD, 2004) National Bank of Greece 2Q22 results Scope 3 (categories 1-14) Sourcing of eco- friendly goods Enhanced recycling practices ✓ Scope 3 (financed emissions) baselining in progress ✓ Science-based target setting in progress ESG update 31

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