The following statement is an English-language translation of the original Japanese-language document provided for your convenience.
In the event there is any discrepancy between the Japanese and English versions, the Japanese version is presumed to be correct.

February 13, 2023

To whom it may concern:

Company name: JGC HOLDINGS CORPORATION
Representative: Masayuki Sato
Chairman and Chief Executive Officer (CEO)(Code number: 1963, Stock Exchange: Tokyo)
Contact: Akihiro Yamagami
Manager, Corporate Communication Group
Group Strategic Planning & Management Development Department(TEL: 81-45-682-8026)

Notice of the Result of the Acquisition of Own Shares through Off-Auction Own Share
Repurchase Trading (ToSTNeT-3)
JGC Holdings Corporation (the “Company”) hereby announces that the acquisition of treasury shares(the “Acquisition”) announced on February 10, 2023 has been executed as follows. Furthermore, theCompany announces that the Acquisition has been completed as resolved at the Board of Directors meeting
convened on February 10, 2023. In addition, as a result of the Acquisition, the 1st issuance of stockacquisition rights via third-party allotment based on a resolution at the Board of Directors meeting convenedon February 10, 2023 has been finalized. For details, please refer to the Company’s press release entitled“Notice on the Decision of Terms of the 1st Issuance of Stock Acquisition Rights via Third-Party Allotment
for Acquisition of Own Shares via Fully Committed Share Repurchase (Japanese ASR)” dated February 13,2023.
1．Reason for the Treasury Share Acquisition
In accordance with the Company’s Medium-Term Management Plan "Building a Sustainable
Planetary Infrastructure 2025 (BSP2025)," taking into consideration the business outlook, cash flow andother conditions, the Company intends to enhance returns to shareholders by repurchasing its own shares.
2. Overview of the Acquisition(1)

Class of shares

Ordinary shares of the Company(2)

Total number of shares

12,070,000 shares(4.77% of total shares outstanding (excluding treasury shares))(3)

Total monetary sum of theacquisition

19,999,990,000yen(4)

Acquisition dateFebruary 13, 2023

(5)

Acquisition method

Purchase via Tokyo Stock Exchange off-auction own share
repurchase trading (ToSTNeT-3)

This document is a press release to publically announce the results of and conclusion of the Company’s acquisitionof its treasury shares through off-auction own share repurchase trading (ToSTNeT-3) system. It is not intended inany way to be an investment solicitation or serve any other similar purposes.

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(Note) 12,070,000 shares out of the number of shares in (2) above were purchased from Nomura Securities Co., Ltd.,but the number may change when accounting for adjustment transactions executed at a later date to ensure that theCompany’s acquisition value is equivalent to the average of its share price over a certain period. For details, pleaserefer to the Company’s press release dated February 10, 223 entitled “Notice Regarding Treasury Share Repurchaseand the Purchase of Treasury Shares through the Off-Auction Share Repurchase Trading (ToSTNeT-3) System(Repurchase of Treasury Shares Based on the Stipulations of Article 165, Clause 2 of the Companies Act, andRepurchase of Treasury Shares through a Fully Committed Share Repurchase (Japanese ASR))”.

(Reference) Overview of the resolution on acquisition of own shares (announced February 10, 2023)(1)Class of shares to be acquired

Ordinary shares of the Company(2)

Total number of shares to be15 million shares (maximum)

acquired(5.93% of all shares outstanding (excluding treasury shares))Total monetary sum of the20 billion yen (maximum)(3)

acquisition(4)

Acquisition period

February 13, 2023 ~ November 30, 2023

(5)

Purchase method

Market purchase via the Tokyo Stock ExchangeThis document is a press release to publically announce the results of and conclusion of the Company’s acquisitionof its treasury shares through off-auction own share repurchase trading (ToSTNeT-3) system. It is not intended inany way to be an investment solicitation or serve any other similar purposes.

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