Banco Santander Chile : 4Q25 webcast

Banco Santander Chile

February 5,

2|Strategy

3|Balance sheet and results 4|Conclusions

5|Annexes

Macro environment

Regulatory environment

Main economic policy initiatives for 2026

Implementation of current legislation

Dividend Subsidy Law

Aiming to lower

Fintech and Open Finance Law

To promote data

Sectorial Permits Law

To simplify and

Large investment projects

Simplifying

Corporate tax

reduction

To improve

Fiscal

adjustment

Enhancing

effective portability, borrowing costs enhance

eliminate redundant

permits and technical

competitiveness and attract

spending efficiency and

and reactivate

competition among

regulatory

requirements.

domestic and

fiscal

housing demand

financial opprCIvoIs, institutions, and reducing barriers foster innovation in rCIr investment

digital financial and project

services. f?xecution.

foreign investment.

sustainability.

4

Macro environment

Business confidence continues its upward trend and moves gradually into optimistic territory

Monthly Business Confidence Index

(diffusion index, neutral = 50)

Pessimism

70 Total

60

50

40

30

20

2010 2012 2014 2016 2018 2020 2022 2024 2026

Sources: Central Bank of Chile, ICARE and Santander.

80 Commerce

Industry

Construction

60

40

20

Pessimism

0

2010 2012 2014 2016 2018 2020 2022 2024 2026

5

Macro environment

Macro view

GDP orowth

Annual growth %

11.3%

2 1%

0.2%

2.6% 2 3% 2.1-2.4% -3.0%

Inflation

UF inflation, annual variation, %

13.3%

6.6%

2.7%

4.8% 4.4% 3,4 %

2.9%

3.0%

-6.1%

2020 2021 2022 2023 2024 2025(I) 2026(I) 2027(I)

2020 2021 2022 2023 2024 2025 2026(I) 2027(I)

Monetorv Policv Role

%, eop

11.25%

4.00%

8.25%

5.00% 4.50% 4.25% 4.25%

Unemplovment annual average

%

10.8%

8.9% 7.9% 8.7% 8.5% 8.5% 8.4% 8.1%

0.50%

2020 2021 2022 2023 2024 2025 2026(I) 2027(I)

Sources: Central Bank of Chile and Santander estimates.

2020 2021 2022 2023 2024 2025() 2026() 2027()

6

1| Macro environment

3| Balance sheet and results 4| Conclusions

5| Annexes

2 5

8

Strategy

Our strategy has succeeded in changing the income mix and creating a more efficient and profitable banI‹.

ROAEYTDl

Income mix evolution

ROF

Fee Income ■ NII

16.7%

11.4%

14.0%

10.8%

9.2%

10.1%

70.1%

71.1%

18.8%

8.3%

74.8%

2M19

2M25

2M19

2M25

74.1%

2M19

2M25

2M19

2M25

Santander

Efficiencv Ratio2

40.1%

36.0%

Industry(ex Santander)

48.4% 47.3%

Santander

Recurrence Ratio'

63.7%

44.6%

Industry(ex Santander)

44.5%

37.1%

2M19

Santander

2M25 l2Ml9 l2M25

Industry(ex Santander)

2M19

Santander

2M25 l2Ml9 l2M25

Industry(ex Santander)

9

.ROAE: Annualized net income attributable to shareholders' / average shareholders' equity YTD. 2.Efficiency ratio: operating expenses including impairment and other operating expenses/ financial margin

+ fees+ financial transactions and net other operating income 3.Fees/ core expenses. Industry figures are YTD as of December 2025. Source: CMF Chile

1| Macro environment 2| Strategy

4| Conclusions 5| Annexes