NATIXIS // 2021 Universal Registration Document

3 RISK FACTORS, RISK MANAGEMENT AND PILLAR III Basel 3 Pillar III disclosures

Liquidity coverage ratio 3.3.5

A – Regulatory liquidity ratios Since 2010, the Basel Committee introduced new liquidity risk measures: the Liquidity Coverage Ratio (LCR, January 2013) is a short-term V liquidity ratio whose aim is to ensure that, in stress scenarios, banks hold enough liquid assets to cover their net cash outflows for a 30-day period; the Net Stable Funding Ratio (NSFR, October 2014) is a long-term V structural liquidity ratio developed to strengthen the resilience of the banking sector by requiring banks to maintain a stable funding profile and by limiting maturity transformation to less than one year. These rules are transposed in the European Union. For the LCR, Delegated Regulation (EU) No. 2015/61, published on October 10, 2014, entered into force on October 1, 2015. This regulation was amended by Delegated Regulation (EU) 2018/1620, published on July 13, 2018 and applicable from April 30, 2020. The NSFR, which the Basel Committee wants to have applied as a minimum requirement from January 1, 2018, was implemented in Europe via Regulation (EU) No. 2019/876(CRR2), which entered into force on June 28, 2021 for the NSFR portion. To date, European Regulations require: compliance with the LCR since October 1, 2015; requiredminimum V ratio of 80% at January 1, 2017 and 100% from January 1, 2018; Compliancewith the NSFR with a minimum requirement of a ratio V of 100% since June 28, 2021. Natixis determines its LCR and its NSFR on a consolidatedbasis and operationally manages its liquidity position and liquidity coverage requirements relative to these new metrics, having set a minimum ratio of 100%. LCR – Liquid asset buffers Commission Delegated Regulation (EU) 2015/61 defines liquid assets and the criteria they must meet to be eligible for the liquidity buffer used to cover funding needs in the event of a short-term liquidity crisis. Liquid assets must meet a number of intrinsic requirements (issuer, rating, market liquidity, etc.) and operational requirements (availability of assets, diversification, etc.) in a 30-calendar day liquidity stress scenario.

The liquid asset buffer – in the regulatory sense – is the numerator of the LCR (HQLA) and predominantly consists of: level 1 liquid assets, i.e. cash deposited with central banks; V other level 1 liquid assets, consisting mainly of marketable V securities representing claims on, or guarantees by, sovereigns, central banks and public sector entities, and high-rated covered bonds; level 2 liquid securities consisting mainly of covered bonds and V debt securities issued by sovereigns or public sector entities not eligible for level 1, corporate debt securities and equities listed on active markets that satisfy certain conditions. Presentation of LCR as at December 31, 2021 The data in the following table were calculated in accordance with European Banking Authority rules (EBA/GL/2017/11 guidelines), which the European Central Bank decided to enforce on October 5, 2017 by way of notification. For the purposes of these rules, the data published for each quarter show the average monthly figures for the twelve preceding statements. LCR (EU LIQ1) In accordance with the provisions of implementing Regulation (EU) 2021/637, the amounts mentioned below are understood to be the average of the previous 12 months for each date observed. The liquidity requirement coverage ratio was 110.0% at December 31, 2021. The liquidity buffer stood at €65.7 billion, up by +€7.8 billionbetween March 31, 2021 and December 31, 2021. Liquid assets amounted to €66.9 billion at December 31, 2021, up by +€8.7 billion compared to March 31, 2021. The change in net cash outflows of +€9.2 billion between March 31, 2021 and December 31, 2021 was mainly due to the following factors: the increase in net cash outflows of +€11.3 billion, in particular on V non-operational deposits (+€6.7 billion), guaranteed wholesale financing (+€3.1 billion), credit facilities and liquidity (+€1.9 billion) and other contractual financing obligations (+€2.1 billion); cash inflows increased by +€2.7 billion between March 31, 2021 V and December 31, 2021 mainly driven by other cash inflows.

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NATIXIS UNIVERSAL REGISTRATION DOCUMENT 2021