Investor Presentaiton

Innovation and Technology boosting our customer focus FIRST Digital 4.9k employees (+51% YoY) Services Our technology company, with a culture aligned to our ambition, innovating and accelerating for our business +19 points in the eNPS YOY, 80 points in 2Q23 Hom Customer base EOE monetization ✓ Business expansion Innovation and technology 2.4k employees 1st Bank to create a services and operations' company +51% vs. launch 496 services provided for Santander, including accounting reconciliation, payroll and accounts payable (+17% QoQ) 3 TOOLS operational sites DIGITAL _SERVICES W Communities integrated with the business 27 Business Domains focus on results and transformation Obsession with customer experience, striving to be the best on the Downdetector app Digital Bank with branches Emphasis on digitalization and simplification of the customer experience CERTO Portal enabling a multichannel execution of our business strategy Data speed and intelligence 16k deployments in 6 months (+41% YoY) Online telemetry supporting communities on the businesses management Data Transformation market benchmark, with data lake and cloud- based models to accelerate business decisions Open Finance focusing on principality Customer perspective to promote our principality 4.1 million active inbound consents received (+1.5x vs outbound) +341k individual customers with rating upgrade Increased availability with hybrid cloud technology Hybrid public (Azure and AWS) and private cloud 1.46 Only bank in Latin America with a Tier- IV Data Center 100 We already have 91.4% of our operations running in the cloud (+1.4 p.p. QoQ) Operational efficiency 3.60 -50% in 5 years 50 May/18 May/19 May/20 May/21 May/22 May/23 Total financial transactions (billion) Unit cost per transaction (base 100, May/18) INVESTOR RELATIONS [email protected] 0800 286 8484 FAQ www.santander.com.br/faq 22 22

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