Sumitomo Mitsui Trust Group, Inc.TSE: 8309

(Corrections) Explanatory Material 3rd Quarter of Fiscal Year 2025 ended on December 31, 2025

· Issued by Sumitomo Mitsui Trust Group, Inc.

To whom it may concern

April 20, 2026

Sumitomo Mitsui Trust Group, Inc.

(Securities Code: 8309 TSE, NSE)

(Corrections) Explanatory Material 3rd Quarter of Fiscal Year 2025 ended on December 31, 2025

Sumitomo Mitsui Trust Group, Inc. (President & CEO: Kazuya Oyama) hereby announces partial corrections to “Explanatory Material 3rd Quarter of Fiscal Year 2025 ended on December 31, 2025”, attached as supplemental material to “Financial Results for the Nine Months Ended December 31, 2025 [Japanese GAAP] (Consolidated)” (disclosed on January 30, 2026) as shown in the Appendix (the corrected figures are underlined).

End

For further information, please contact:

Investor and Shareholder Relations Department, Sumitomo Mitsui Trust Group, Inc. Telephone : +81-3-3286-8354

Explanatory Material 3rd Quarter of Fiscal Year 2025 ended on December 31, 2025 (Page “9”)  

Other referential financial figures of SuMiTB

Appendix

(3) Statement of trust account

(After correction)

[Non-consolidated]

(Billions of yen)

Dec. 2025 Sep. 2025 Change from Mar. 2025

Sep. 2025

Loans and bills discounted

     3,177.0

2,658.1

       518.9

2,531.9

Securities

730.7

765.9

(35.2)

858.5

Beneficiary rights

184,629.1

188,869.8

(4,240.6)

184,371.2

Securities held in custody accounts

30.1

30.8

(0.7)

30.8

Money claims

     25,835.4

25,543.4

       291.9

26,051.2

Tangible fixed assets

30,721.0

29,819.3

901.6

28,752.5

Intangible fixed assets

284.6

279.7

4.8

265.2

Other claims

17,581.3

16,343.4

1,237.9

15,935.5

Loans to banking account

3,274.2

3,716.5

(442.3)

3,492.2

Cash and due from banks

952.3

1,005.3

(53.0)

990.2

Total assets

267,216.0

269,032.6

(1,816.6)

263,279.7

Money trusts

41,771.5

42,373.9

(602.4)

40,242.0

Pension trusts

15,327.7

15,327.8

(0.1)

15,520.5

Property formation benefit trusts

16.7

16.8

(0.1)

18.5

Securities investment trusts

77,670.6

79,650.8

(1,980.2)

78,688.6

Money entrusted, other than money trusts

41,117.2

40,921.4

195.8

40,862.9

Securities trusts

23,929.4

24,512.4

(582.9)

22,793.1

Money claim trusts

26,200.7

25,709.4

491.2

26,173.2

Land and fixtures trusts

0.7

0.7

0.0

0.8

Composite trusts

41,181.2

40,519.0

662.2

38,979.7

Total liabilities

267,216.0

269,032.6

(1,816.6)

263,279.7

Note: The amount of retrusted assets for asset administration is included in Beneficiary rights:

Dec. 2025: 182,596.3 billion yen, Sep. 2025: 187,055.7 billion yen, Mar. 2025: 182,552.8 billion yen

(Before correction)

[Non-consolidated]

(Billions of yen)

Dec. 2025 Sep. 2025 Change from Mar. 2025

Sep. 2025

Loans and bills discounted

     2,963.0

2,658.1

       304.9

2,531.9

Securities

730.7

765.9

(35.2)

858.5

Beneficiary rights

184,629.1

188,869.8

(4,240.6)

184,371.2

Securities held in custody accounts

30.1

30.8

(0.7)

30.8

Money claims

     26,049.4

25,543.4

       505.9

26,051.2

Tangible fixed assets

30,721.0

29,819.3

901.6

28,752.5

Intangible fixed assets

284.6

279.7

4.8

265.2

Other claims

17,581.3

16,343.4

1,237.9

15,935.5

Loans to banking account

3,274.2

3,716.5

(442.3)

3,492.2

Cash and due from banks

952.3

1,005.3

(53.0)

990.2

Total assets

267,216.0

269,032.6

(1,816.6)

263,279.7

Money trusts

41,771.5

42,373.9

(602.4)

40,242.0

Pension trusts

15,327.7

15,327.8

(0.1)

15,520.5

Property formation benefit trusts

16.7

16.8

(0.1)

18.5

Securities investment trusts

77,670.6

79,650.8

(1,980.2)

78,688.6

Money entrusted, other than money trusts

41,117.2

40,921.4

195.8

40,862.9

Securities trusts

23,929.4

24,512.4

(582.9)

22,793.1

Money claim trusts

26,200.7

25,709.4

491.2

26,173.2

Land and fixtures trusts

0.7

0.7

0.0

0.8

Composite trusts

41,181.2

40,519.0

662.2

38,979.7

Total liabilities

267,216.0

269,032.6

(1,816.6)

263,279.7

Note: The amount of retrusted assets for asset administration is included in Beneficiary rights:

Dec. 2025: 182,596.3 billion yen, Sep. 2025: 187,055.7 billion yen, Mar. 2025: 182,552.8 billion yen