ttb 56-1 One Report 2021 (EN)

Significant changes and development in year 2021 • The Entire Business Transfer between TMB Bank and Thanachart Bank was completed on July 5th, 2021 as planned and TMB shareholders approved to change the name of the new bank after the merger to “TMBThanachart Bank” or “ttb”. The new name reflects the strengths of the two banks with the mission to create a better Financial Well-being for Thai people. After the success of the merger, the Bank of Thailand has declared TMBThanachart to be a Domestic Systemically Important Banks (D-SIBs) or commercial banks that are important to the financial stability and economic system of the country. • Supported by being a D-SIBs bank which reflects potential and stability of the merged bank, Fitch Ratings has upgraded the Bank’s long-term Issuer Default Rating (IDR) to ‘BBB’ from ‘BBB-’ and the National Long-Term Rating to ‘AA+(tha)’ from ‘AA-(tha)’. The Outlook is Stable. Fitch has also upgraded the Short-Term IDR to ‘F2’ from ‘F3’ and affirmed the National Short-Term Rating at ‘F1+(tha)’. Fitch’s upgrade came after the re-assessment of the Bank’s systemic importance, and the likelihood of extraordinary supports from authorities, if needed, following the completion of integration with Thanachart Bank and declaration of being a D-SIBs by the Bank of Thailand. • TMBThanachart completed the share purchase transaction of 10% shares in Thanachart Insurance PCL and 10% shares in Thanachart Securities PCL from Scotia Netherlands Holding BV or BNS, a group company of The Bank of Nova Scotia. Thanachart Insurance should help support hire purchase business by co-developing auto insurance products that meet the needs of customers, including opportunities to develop the platform to provide a comprehensive car ecosystem in the future. Thanachart Securities, meanwhile should help enhance investment services and provide one stop service for by offering a wide variety of products and services with holistic portfolio management. • In December 2021, the Bank has launched ttb spark, which is the Bank’s Digital Hub committing to create meaningful change and tangible impacts to the lives of customers through digital technology and creative ideas without sticking to the original conceptual framework and dare to do new things to come true. ttb spark acts as the Bank’s digital talent attraction unit and focuses on agile approach to develop digital solutions and innovations that respond to the fast-changing technology and rapid changes in customer needs. • The Bank was awarded with “Thailand Corporate Excellence Awards 2021” in the field of financial management excellence. The reward was organized by Thailand Management Association (TMA) in collaboration with Sasin Graduate Institute of Business Administration of Chulalongkorn University. This reinforces the Bank’s commitment to manage and operate under good governance that the benefits of customers, shareholders and society come first and commitment to create a better financial life for Thai people. 55 Form 56-1 One Report 2021

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