Investor Presentaiton

SATISFACTION WITH PRODUCTS AND SERVICES The quality of the products and services we offer is essential to provide the best experience for our clients and requires the engagement of employees from all areas of the bank. For this reason, we permanently make available on the C6 Institute platform a curated training program for employees on how to place. the client at the center of our activities. In addition, several initiatives align all areas around our strategy to ensure the teams' commitment to quality and client satisfaction. One example is the Carbon 4.0 Strategy program, a regular strategy chat with the founding partners, open to all employees, which presents Carbon Holding's strategy, results, and challenges, and discusses how it relates to our culture. FOCUS ON QUALITY In February 2021, C6 Bank was among the financial institutions with the best evaluation in a survey by SoluCS, a company specialized in measuring satisfaction, which consulted clients in São Paulo. C6 Bank's user satisfaction rating was 51.7 points, well above the industry average of 31.5. We ranked fourth among the 11 financial institutions evaluated. We also received the award from Instituto MESC (MESC Institute) - Best Companies in Client Satisfaction for C6 Tag, our toll and parking payment solution. The award is based on an annual survey conducted by the institute in partnership with Google. In this edition, the survey heard the opinion of more than 18 million people across the country about 10,000 companies, products, and services. The C6 Bank toll tag was awarded in the "Payments — Release of Gates" category. - C6BANK CLIENT SATISFACTION INDICATORS To measure client satisfaction with our products and services, we use the NPS (Net Promoter Score) methodology, traditionally adopted by large corporations around the world, which applies rigorous measurement standards. carbon mastercard C6BANK 37

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