Supplementary Materials for Consolidated Business Performance for Q2 of FYE2022

Q2 FYE2022

Consolidated Financial Results

Earnings Announcement

（Six months ended September, 2021）

November 1, 2021

Tokyo（Japan）

Important Notice

For the purpose of this notice, "presentation" means this document, any oral presentation, any question and answer session and any written or oral material discussed or distributed by NIPPON SANSO Holdings Corporation ("NSHD") regarding this presentation. This presentation (including any oral briefing and any question-and-answer in connection with it) is not intended to, and does not constitute, represent or form part of any offer, invitation or solicitation of any offer to purchase, otherwise acquire, subscribe for, exchange, sell or otherwise dispose of, any securities or the solicitation of any vote or approval in any jurisdiction. No shares or other securities are being offered to the public by means of this presentation. This presentation is being given (together with any further information which may be provided to the recipient) on the condition that it is for use by the recipient) on the condition that it is for use be the recipient for information purposes only (and not for the evaluation of any investment, acquisition, disposal or any other transaction). Any failure to comply with these restriction may constitute a violation of applicable securities laws. The companies in which NSHD directly and indirectly owns investments are separate entities. In this presentation, "NSHD" is sometimes used for convenience where references are made to NSHD and its subsidiaries in general. Likewise, the words "the Company", "we", "us" and "our" are also used to refer to subsidiaries in general or to those who work for them. These expressions are also used where no useful purpose is served by identifying the particular company or companies.

• Forward-LookingStatements

This presentation and any materials distributed in connection with this presentation may contain forward-looking statements, beliefs or opinions regarding NSHD's future business, future position and results of operations, including estimates, forecasts, targets and plans for NSHD. Without limitation, forward-looking statements often include words such as "targets", "plans", "believes", "hopes", "continues", "expects", "aims", "intends", "ensures", "will", "may", "should", "would", "could", "anticipates", "estimates", "projects" or similar expressions or the negative thereof. These forward-looking statements are based on assumptions about many important factors, including the following, which could cause actual results to differ materially from those expressed or implied by the forward-looking statements: the economic circumstances surrounding NSHD's global business, including general economic conditions here and abroad; competitive pressures and developments; changes to applicable laws and regulations; the success of or failure of product development programs; decisions of regulatory authorities and the timing thereof; fluctuations in interest and currency exchanges rates; claims or concerns regarding the safety or efficacy of marketed products or product candidates; the impact of health crises, like the novel COVID-19 pandemic, on NSHD and its customers and suppliers, including foreign governments in countries in which NSHD operates, or on other facets of its business; the timing and impact of PMI (post-merger integration) efforts with acquired companies; the ability to divest assets that are not core to NSHD's operations and the timing of any such

divestment(s); and other factors identified in NSHD's most recent annual Consolidated Financial Statements on Japanese Securities relevant acts and exchange commission, available on

NSHD's website. NSHD dose not undertake to update any of the forward-looking statements contained in this presentation or any other forward-looking statements it may make, except as required by law or stock exchange rule. Past performance is not an indicator of future results and the results or statements of NSHD in this presentation may not be indicative of, and are not an estimate, forecast, guarantee or projection of NSHD's future results.

• Certain Non-IFRS Financial Measures

This presentation and materials distributed in connection with this presentation include certain financial measures not presented in accordance with International Financial Reporting Standards ("IFRS"), such as Core Operating Income, EPS (Earnings per share), Debt, Net Debt, Adjusted net D/E ratio and Free Cash Flow. NSHD's management and executive officers evaluates results and makes operating and investment decisions using both IFRS and non-IFRS measures included in this presentation. These non-IFRS measures exclude certain income, cost and cash flow items which are included in, or are calculated differently from, the most closely comparable measures presented in accordance with IFRS. By including these non-IFRS measures, management and executive officers intends to provide investors with additional information to further analyze NSHD's performance, core results and underlying trends. NSHD's non-IFRS measures are not prepared in accordance with IFRS and such non-IFRS measures should be considered a supplement to, and not a substitute for, measures prepared in accordance with IFRS. Investors are encouraged to review the reconciliation of non-IFRS financial measures to their most directly comparable IFRS measure, which are on the part of our slide deck.

• Financial information

NSHD's financial statements are prepared in accordance with international Financial Reporting Standards ("IFRS").

2	November 1, 2021 | NIPPON SANSO Holdings Supplementary Materials FYE2022 Q2 results

Notes

• Analysis of Operating Results (Reasons for change in Revenue and Segment Operating Income)

In the supplementary materials to the financial statements of NSHD, starting from the fiscal year ending March 31, 2022, NSHD will describe the status of the business results of NSHD group on a quarterly consolidated accounting period basis, as well as its recognition and analysis of the status of the business results of NSHD group from management's perspective, and will omit the same information on a consolidated cumulative basis. The same information on a cumulative basis is omitted. Please note that Segment Operating Income is based on Core Operating Income.

• The following table shows Revenue, Operating income, and the effect of Forex rate changes on Revenue and Operating Income.

The impact of Forex rate fluctuation is calculated by applying the average rate for the period under review to the period under review (the current period and the previous period).

These disclosures are not in accordance with International Financial Reporting Standards (IFRS). However, we believe that these disclosures are useful analytical information for investors to understand the business conditions of the Group.

＜Forex rates＞			Average Forex rates
			FYE2021	FYE2021		FYE2022	FYE2022		FYE2022 Full-term	FYE2022 Full-term
	Unit：JPY		1Q	1st Half		1Q	1st Half	Assumption (No Change)	Assumption(Previous)
	Currency		（Apr.-Jun.）	（Apr.-Sep.）		（Apr.-Jun.）	（Apr.-Sep.）		（Apr.-Mar.）	（Apr.-Mar.）
											（Announced on Nov.1）	（Announced on May 10）
	USD	107.38		106.32	109.76		110.10	105		105
	EUR	118.74		121.66	132.44		131.16	125		125
	SDG	76.29		76.67	82.41		82.01	77		77
	AUD	71.69		73.91	84.15		82.33	74		74
	CNY	15.11		15.20	17.06		17.07	16		16

• Presentation of overall business performance and segment performance

The amounts shown are after offsetting and elimination of inter-segment transactions and do not include consumption tax etc.

3	November 1, 2021 | NIPPON SANSO Holdings Supplementary Materials FYE2022 Q2 results

Contents

1. Q2 FYE2022 Business performance
   -1.Quarter（Jul.-Sep.）Period performance
   -2. 1st Half （Apr.-Sep.）Cumulative performance
2. FYE2022 full-term Forecast
3. Appendix
4. 1. Group summary
   2. Changes in disclosure details
   3. Non-recurringitems
   4. Key performance Indicators
   5. Condensed consolidated statements of Cash flows
   6. Condensed consolidated statements of Financial position
   7. Revenue composition
   8. Industrial gas supply systems

4	November 1, 2021 | NIPPON SANSO Holdings Supplementary Materials FYE2022 Q2 results

1. Q2 FYE2022 Business performance

-1.Quarter（Jul.-Sep.）Period performance

5	November 1, 2021 | NIPPON SANSO Holdings Supplementary Materials FYE2022 Q2 results