Komori
Treasury Shares5019Idemitsu Kosan Co.,Ltd.Energy Resources

Notice Concerning the Results of the Repurchase of Treasury Shares, Completion of the Repurchase, and Number of Shares Cancelled

The treasury share acquisition based on the resolution dated 11 November 2025 has been completed, with a cumulative total of 21,393,000 shares acquired for ¥30 billion. All acquired shares are scheduled to be cancelled on 31 March 2027, and the number of shares to be cancelled has been finalized.

Worth reading
75Important
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Neutral
Direction inferred from the company’s description.
Scale
30000000000
Yen (cumulative acquisition cost)
Wording
Definitive
How definitive the wording is.

Progress against acquisition limit

Acquisition completedMarket purchases

Resolved 11 November 2025 / Acquisition period 12 November 2025 to 11 November 2026

49.8%
Cumulative utilization rate
Limit21,607,000 株 remaining
Number of Shares43,000,000 shares (maximum)
—
No Track Record Reported
Limit
Amount¥30 billion (maximum)

The darker band is the portion acquired this time (1 June 2026 to 10 June 2026 (on a contract-date basis)).

Number of Shares
Limit43,000,000 shares (maximum)
Cumulative total21,393,000 shares (through 10 June 2026)
Current3,761,100 shares
Amount
Limit¥30 billion (maximum)
Cumulative total¥30,000,000,000 (through 10 June 2026)
Current¥5,127,447,900
Percentage of total issued shares3.5% (as a percentage of issued shares excluding treasury shares)
Average acquisition price for this transaction (calculated)¥1,363 per shareCurrent acquisition price ÷ current number of shares acquired
Whether acquisition has been completed

Acquisition completed. Completed as of 10 June 2026

消化率と残りは、会社が示した累計・今回と上限から算出しています。進捗率=上限に対してどこまで使ったかの割合です。

Progress against acquisition limit
ItemDetails
Total number of shares acquired in this transaction3,761,100 shares
Total current acquisition price¥5,127,447,900
Acquisition date/acquisition period1 June 2026 to 10 June 2026 (on a contract-date basis)
Method of acquisitionMarket purchases
Cumulative number of shares acquired21,393,000 shares (through 10 June 2026)
Cumulative acquisition cost¥30,000,000,000 (through 10 June 2026)
Resolution date11 November 2025
Maximum number of shares to be acquired43,000,000 shares (maximum)
Total acquisition price¥30 billion (maximum)
Acquisition period under the resolution12 November 2025 to 11 November 2026
Percentage of total issued shares3.5% (as a percentage of issued shares excluding treasury shares)
Whether acquisition has been completedAcquisition completed. Completed as of 10 June 2026
Items this document does not state (1)
Average Acquisition Price

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To announce the completion of the treasury share acquisition and the finalization of the number of shares to be cancelled. The cancellation will cover all treasury shares acquired pursuant to the resolution of the Board of Directors dated 11 November 2025.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Concerning the Results of the Repurchase of Treasury Shares, Completion of the Repurchase, and Number of Shares Cancelled | Idemitsu Kosan Co.,Ltd. (5019) timely disclosure | Komori