Consolidated Financial Results for First Half of Fiscal 2025 (Year Ending March 2026) (Unaudited)

Company name: Toyo Seikan Group Holdings, Ltd. Listing: Tokyo Stock Exchange

Stock code: 5901

URL: https://www.tskg-hd.com/en/

Representative: Takuji Nakamura, President and Representative Director

Contact: Kaname Kimoto, General Manager of Investor Relations Department Phone: + 81-3-4514-2019

Filing of semi-annual securities report (scheduled): November 14, 2025 Commencement of dividend payment (scheduled): December 1, 2025 Supplementary materials for the financial results: To be available

[Translation]

November 7, 2025

Financial results briefing: To be held (for institutional investors and analysts)

(Figures are rounded down to the nearest million yen.)

1. Consolidated financial results for the first half of FY2025 (Six months from April 1, 2025 to September 30, 2025)

   1. Year-to-date results of operations

      (Percentages indicate year-on-year changes.)

      	Net sales		Operating income		Ordinary income		Profit attributable to owners of parent
      	million yen	％	million yen	％	million yen	％	million yen	％
      1st half FY2025	484,303	4.3	30,155	64.7	33,419	81.4	34,127	177.0
      1st half FY2024	464,325	-1.6	18,312	22.8	18,418	-10.8	12,319	-16.9

      [Note] Comprehensive income: 21,408 million yen (-31.4%) for 1st half FY2025;

      31,209 million yen (-15.8%) for 1st half FY2024

      	Profit per share	Diluted profit per share
      	yen	yen
      1st half FY2025	222.01	—
      1st half FY2024	71.73	—

   2. Financial position

      	Total assets	Net assets	Equity ratio
      	million yen	million yen	％
      September 30, 2025	1,177,532	683,074	55.6
      March 31, 2025	1,202,930	694,915	55.5

      [Ref.] Equity capital (excluding non-controlling interests): 655,150 million yen as of September 30, 2025;

      667,064 million yen as of March 31, 2025

      [Note] The accounting of a business consolidation that was provisionally recorded in the consolidated financial statements for fiscal 2024 was finalized in the first quarter of fiscal 2025, and the finalized accounts for the business consolidation have been reflected in the amounts for fiscal 2024.

2. Cash dividends

   	Annual dividend per share
   	Q1	Q2	Q3	Q4	Total
   	yen	yen	yen	yen	yen
   FY2024	—	45.00	—	46.00	91.00
   FY2025	—	57.00
   FY2025 (E)			—	57.00	114.00

   [Note] Revisions to the most recently announced dividend forecast: None

3. Consolidated earnings forecast for FY2025 (from April 1, 2025 to March 31, 2026)

(Percentages indicate year-on-year changes.)

[Note] Revisions to the most recently announced earnings forecast: None

As we are conducting a share repurchase program based on the resolution of the Board of Directors on February 28, 2025, the forecast for profit per share shown above takes account of the status of the program as of September 30, 2025.