Disclosure Policy
Nippon Gas Co., Ltd.
I. Basic Policy
The Company shall disclose information in accordance with the Companies Act, theFinancial Instruments and Exchange Act, stock exchange regulations and otherrelated laws (hereinafter collectively referred to as the "Timely Disclosure Rules") inorder to provide all stakeholders, including shareholders and investors, with timelyand fair information on the Company's management and business activities.
The Company will also proactively disclose information that does not fall under thescope of the Timely Disclosure Rules, including non-financial information, such asmanagement strategies, capital policies, and ESG strategies, as long as it is deemeduseful to our stakeholders.

II. Information disclosure
1. Important information
1) Disclosure required by stock exchanges (timely disclosure)・ Information regarding decisions and occurrences required by stock exchanges
for timely disclosure.
・ Corporate governance report, independent directors report, etc.
2) Disclosure in accordance with the Companies Act
・ Business reports, financial statements, consolidated financial statements andannexed detailed statements, etc.
3) Disclosure in accordance with the Financial Instruments and Exchange Act
・ Securities reports, quarterly reports, internal control reports, extraordinary
reports, etc.
2. Other information
Non-financial information, including business strategy, capital policy, governance,and social and environmental issues (so-called ESG factors), which are linked to theCompany’s medium and long term growth, is disclosed to stakeholders in an
intelligible manner through financial results references, shareholder newsletters,
integrated reports, news releases, and websites.

III. Disclosure methods
1. Timely disclosure to stock exchanges
1) Timely disclosure structure
The Company has an “Information Disclosure Committee” that defines theauthority and functions related to the corporate group’s management details andbusiness activities to ensure fair and timely disclosure.
2) Method of timely disclosure
The Company will disclose information on the Timely Disclosure Network(TDnet) provided by the stock exchanges, and promptly post it on the Company’s
website when required by the Timely Disclosure Rules. The Company will also
voluntarily disclose information in accordance with the purpose of timely
disclosure even when it is not required by the Timely Disclosure Rules.
2. Non-timely disclosure1) Structure
Regarding information disclosure other than timely disclosure, the Company
shall establish a responsible department and disclose information with theapproval of the department.
2) Disclosure control and other matters
The responsible department manages and operates an internal approval
process regarding each information disclosure in addition to preparing disclosure
documents and verifying laws and regulations for revisions.

IV. Handling disclosure materials
The Company’s business forecasts, strategies and other disclosure materials thatare not historical facts are based on executive judgment from information available atthe time. Please do not solely rely on these business forecasts. Actual performances
may differ materially from the prospects due to a variety of important factors.
Important factors that may affect the Company’s performance include weather,natural disasters, economic climates, and especially the ability to continue to plan anddevelop new services in an intensely competitive market environment characterized
by general consumption trends. Factors affecting business performance are not limited
to the above.

V. Response to the spread of rumors
As a general rule, the Company refrains from responding to inquiries regarding
speculative press articles or market rumors about the Company. However, if it isdetermined that leaving such information unattended could have a serious impact on
the Company, the cause of the problem will be promptly identified and appropriate
action taken as needed.

VI. Quiet period
In order to prevent the leakage of financial information and to ensure fairness in thedisclosure of information, the Company designates the period from one week prior to
the end of each quarter through to the announcement day of the financial results as
the quiet period and will refrain from commenting on or answering questions about
financial results as a general rule. However, material information requiring timelydisclosure under the Timely Disclosure Rules, such as revisions to earnings forecasts
and dividends projections, will not be subject to such restrictions during the quietperiod.

VII. Compliance with internal rules regarding information disclosure
In order to realize this policy, the Company has enacted "Information Disclosure
Regulations", which stipulate operations and procedures related to information
disclosure, and "Insider Trading Management Regulations", which stipulate mattersrelated to the prevention of insider trading, and ensures that all officers andemployees of the corporate group strictly follow these regulations regarding theappropriate handling of information disclosure.

Timely Disclosure Structure
情報開示体制の概要（模式図）／2021年6月24日現在

Shareholders / Investors

Stock Exchange(TDnet) / Corporate Website / Media., etc.
Board of Directors
Management Conference

Disclosure

Discuss / Report

Disclosure Approval

Information Disclosure Committee○Chairman: Corporate Headquarters, General Manager○Member: Sales Headquarters, General Manager
Energy Business Headquarters, General Manager
Officer in charge of Corporate Strategy/IR Department
Officer in charge of Financial Department
Officer in charge of Human Resource Department
General Manager, General Affairs Department
Confirmation of the need for disclosure
Report on progress and findings

Information Disclosure Committee and its secretariat
Corporate Strategy/IR Department / General Affairs Department
Financial Department / Human Resource Department / Legal Department

Report/Contact/
Consult

Centralized management ofmaterial corporate Information

Regular collection of Information

Information on the decision

Information on the facts

Financial Information

Material Information

Sales Headquarters / Energy BusinessHeadquarters / Corporate Headquarters

Subsidiaries ofthe Company

Report/Contact/Consult

Established on June 24, 2021