ANNUAL REPORT 2023

Contents

02

Value Creation Story

44

Management Foundation

45

02

At a Glance

Corporate Governance Approach and Initiatives

04

Milestones in Establishing and

46

Assessment of Board of Directors Effectiveness

06

Strengthening Business Foundations

47

Management

Our Competitive Advantage

48

Messages from Outside Directors

08

Value Creation Process

50

Activity Status of Outside Directors and

10

Financial Highlights

Outside Audit & Supervisory Board Members

11

Non-Financial Highlights

51

Risk Management

12

Management Message

52

Sustainability

53

12

President's Message

Basic Sustainability Policy

14 Sources of Our Competitiveness

53

Structure of Sustainability Initiatives

54

Identifying Key Issues (Materiality)

55

Risks and Opportunities Related to the Key Issues

15

Financial Capital

56

Main Sustainability Initiatives

16

Manufacturing Capital

18

Human Capital

58

Data Section

22

Intellectual Capital

58

25

Social and Relationship Capital

Ten-Year Summary

26

Natural Capital

60

Shin-Etsu Group Major Companies

31

Business Activity

62

Investor Information

63

Corporate Information

  1. Technologies, Materials and Products of the Shin-Etsu Group
  2. Business Overview
  3. Infrastructure Materials
  1. Electronics Materials
  1. Functional Materials
  1. Processing & Specialized Services

Editorial Policy

This report is compiled and published annually for the purpose of providing shareholders, investors, and other stakeholders with an overview of the Shin-Etsu Group's corporate activities. The organizations covered by this report are Shin-Etsu Chemical Co., Ltd. (Shin-Etsu Chemical) and its consolidated subsidiaries in Japan and overseas. In editing this report, we consulted the International Integrated Reporting Framework published by the Value Reporting Foundation (VRF) and Guidance for Collaborative Value Creation published by Japan's Ministry of Economy, Trade and Industry.

In the 2023 edition, we have expanded the sections on each of the six forms of capital that constitute the source of the Group's competitive advantage, focusing on human capital, intellectual capital, and natural capital. We also added a new section, "Messages from Outside Directors."

For more detailed information, follow the links below:

IR Information

Sustainability Information

https://www.shinetsu.co.jp/en/ir/

https://www.shinetsu.co.jp/en/sustainability/

Shin-Etsu Chemical has committed to carbon neutrality by 2050

At the end of May 2023, the Company committed to becoming carbon neutral by 2050 and formulated a plan to reduce greenhouse gas emissions generated in the course of Shin-Etsu Group's business activities (Scope 1*1 and 2*2) to net zero. We will also further focus on reducing greenhouse gas emissions through the Shin-Etsu Group's products and technologies to help achieve carbon neutrality around the world.

*1 Scope 1: Direct emissions from facilities owned and controlled by the Company (e.g., emissions generated during the combustion of substances such as heavy oil and natural gas)

*2 Scope 2: Emissions generated when producing energy purchased by the Company (e.g., emissions triggered when generating purchased electricity)

For more information on our commitment to carbon neutrality by 2050, please see "Sources of Our Competitiveness:

Natural Capital" (page 26) in this report.

Business Principle

The Group strictly complies with all laws and regulations, conducts fair business practices and creates unrivaled value for society and industry through the provision of key materials and technologies.

Vision

Contribution to the Earth's future

Five areas for sustainable growth

Smart

Productivity

Health

Energy/

Connectivity

Resource

infrastructure

enhancement

enhancement

efficiency

ANNUAL REPORT 2023

1

Value Creation Story

At a Glance

Our Business Portfolio

PVC

Infrastructure Materials

In addition to polyvinyl chloride (PVC) resin, which is widely used in categories that are essential to our lives, from water supply and sewerage systems and other infrastructure (social infrastructure) to housing, agriculture, and everyday prod- ucts, we also supply caustic soda, polyvinyl alcohol (POVAL), and other products. For PVC in particular, we have a combined annual production capacity of 4.44 million tons at our three bases in the United States, Europe, and Japan, providing a stable supply worldwide.

Silicon Wafers

Photoresist

Rare Earth Magnets

Electronics Materials

We produce silicon wafers, a key semiconductor material, as well as photoresists, photomask blanks, and encapsulant materials used in the semiconductor manufacturing process. We also supply rare earth magnets, which are essential for power-saving motors used in eco-friendly vehicles and electrical appliances, and high-purity synthetic quartz, which is used as a raw material for optical fibers and for other applications.

Profile (Fiscal year ended March 31, 2023)

In business

Market capitalization

Operating income

Number of employees

ratio

(consolidated)

97 years

¥8,653.1billion

36%

25,717

Overseas bases

Composition ratio of

Ratio of employees

overseas sales

outside Japan

22 countries

81%

63%

Net sales and number of employees by region (Fiscal year ended March 31, 2023)

5%

¥131.6 billion

17%

¥493.3 billion

31%

¥875.6 billion

47%

3%

54%

¥1,308.0 billion

¥26.3 billion

¥541.3 billion

13%

¥130.6 billion

Net sales

Operating income

¥2,808.8 billion

¥998.2 billion

30%

¥301.4 billion

Infrastructure Materials

Electronics Materials

Functional Materials

Processing & Specialized Services

(Fiscal year ended March 31, 2023)

Net sales

Net sales

Japan

¥538.7 billion (19%)

U.S.

¥979.8 billion (35%)

Employees

Employees

9,401

3,745

Silicones

Cellulose Derivatives

Silicon Metal

Functional Materials

In 1953, we were the first Japanese company to commercialize silicone, which is used in a wide range of industries, and since then we have continued to develop our product lineup, which now includes more than 5,000 varieties. We also supply a wide variety of materials that deliver superior functionality, including cellulose derivatives, which are widely used in pharmaceuticals, food products and industrial applications, as well as synthetic pheromones, silicon metal, liquid fluoroelastomers, pellicles, and anode material for lithium ion batteries.

Input Devices

Wafer Cases

Wrapping Films

Processing & Specialized Services

As a processing manufacturer of various resins such as PVC and silicone, Shin-Etsu Polymer Co., Ltd. meets the diverse needs of customers in a wide range of fields including the automotive, information equipment, semiconductor, packaging material, and construction material industries. Shin-Etsu Engineering Co., Ltd. is involved mainly in the design and construction of the Group's manufacturing plants.

Net sales

Asia and

¥805.1 billion (29%)

Oceania

Employees

10,935

Net sales

Europe

¥277.7 billion (10%)

Employees

1,636

Other Regions

Net sales

¥207.2 billion (7%)

2 Shin-Etsu Chemical Co., Ltd.

ANNUAL REPORT 2023

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(¥ billion)

1,200.0

800.0

400.0

0

Value Creation Story

Milestones in Establishing and Strengthening Business Foundations

Since its establishment in 1926 as Shin-Etsu Nitrogen Fertilizer Co., Ltd., the Shin-Etsu Group has continually transformed its business with an eye to the future, and today holds the top share of the global market for many products, including PVC and semiconductor silicon.

Net sales (RHS)

FY2005

Operating income (LHS)

FY1997

Net sales exceeded ¥1.0 trillion

Capital expenditures (LHS)

Conducted capital investment

worth ¥136.3 billion

FY1994

Net sales exceeded ¥500.0 billion

FY2021

Net sales exceeded

¥2.0 trillion

FY2019

Conducted capital investment

worth ¥265.0 billion

FY2018

FY2007

Net sales exceeded ¥1.5 trillion

Conducted capital investment

worth ¥268.4 billion

FY2022

(¥ billion)

3,000.0

Net sales

¥2,808.8 billion

Operating income ¥998.2 billion

2,000.0

1,000.0

Capital expenditures ¥318.0 billion

0

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

(FY)

Composition ratio

28%

of overseas sales

55%

64%

81%

History of major capital investment and commercialization

Formation of business foundation

Silicone products when production first started

1950s-1960s

  • Launched PVC production
  • Began production of silicon wafers
  • Started production of silicones
  • Launched production of cellulose derivatives

Enhancement of existing businesses and global expansion

Former Chairman Kanagawa (front row, second from right) when he was appointed president of Shintech

Shintech Freeport Plant (Texas, USA)

1970s-1980s

  • Started production of PVC in Texas, USA
  • Overseas expansion of semiconductor silicon business (Malaysia, U.S., U.K.)
  • Overseas expansion of silicones business (U.S., Korea, Taiwan, Netherlands)
  • Began production of rare earth magnets
  • Launched production of optical fiber preform

Corporate structure reform/Enhancement of international competitiveness

Shin-Etsu Handotai's Shirakawa Plant

1990s-2000s

  • Acquired PVC and cellulose businesses in Europe
  • Built two PVC plants in Louisiana, USA
  • Started mass production of 300 mm silicon wafers
  • Began production of silicone monomers and polymers in Thailand
  • Commercialized photoresists and photomask blanks businesses

New growth strategy development

Shintech's ethylene plant that started operations in 2020 (Louisiana, USA)

2010s-2020s

  • Started production of ethylene in the US (ensured stable and flexible product supply by establishing an integrated production system for PVC from raw materials)
  • Began integrated production of rare earth magnets in Vietnam
  • Started mass production of low-dielectric resins (5G-related products)
  • Commercialized anode materials for lithium-ion batteries

4

Shin-Etsu Chemical Co., Ltd.

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Value Creation Story

Our Competitive Advantage

The Shin-Etsu Group has built solid financial foundations by supplying product lines with high market shares around the world and improving profitability.

Strength1 Leading Market Share

We hold the leading market share of key materials essential to society, including PVC and semiconductor silicon.

Strength3 Triangular Link Manufacturing

Our manufacturing is based on a triangular link of customer-focused sales, development, and production, with the latter two located in the same site, to speedily respond to customer needs.

Polyvinyl chloride

Semiconductor

Silicones

Cellulose derivatives

(PVC) resins

silicon (Silicon wafers)

No.1 in Japan

(Methylcellulose)

No.1 globally

No.1 globally

No.4 globally

No.2 globally

Customer-focused sales

Rapid prototyping

Sales

Development

Coordination

Production

Same site

All our R&D facilities are located on the same premises as our plants, allowing for smooth coordination between development and production in response to customer needs obtained from sales. In addition to rapidly developing products that meet customer needs, coordinating with production departments allows us to make use of plant facilities to carry out hands-on development and prototyping for quality stabilization and mass production.

Photoresists

Advanced

Synthetic quartz

Synthetic

photomask blanks

(for photomask substrates for LCD)

pheromones

No.2 globally

No.2 globally

No.1 globally

No.1 globally

(Based on Shin-Etsu Chemical research)

Strength2 High Profitability and

Solid Financial Foundations

Our high level of profitability is driven by tireless efforts aimed at enhancing productivity and our lineup of competitive products.

Operating income

ROIC

ROE

Net assets

Equity ratio

to net sales ratio

35.5%

33.6%

19.7%

¥4,026.2 billion

81.8%

(Fiscal year ended March 31, 2023) For details, see "Financial Capital" on page 15.

Faster time-to-market

For details, see "Manufacturing Capital" on page 16 and "Intellectual Capital" on page 22.

Strength4 High Productivity

High productivity is achieved through an optimal staffing and capital investment in pursuit of efficient processes.

By appropriately assigning personnel with deep expertise, the Group has built a lean organizational structure that maximizes the capabilities of its employees. We also strive to improve productivity by thoroughly pursuing efficient methods when updating or improving existing facilities or building new ones.

For details, see "Manufacturing Capital" on page 16 and "Human Capital" on page 18.

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Disclaimer

Shin-Etsu Chemical Co. Ltd. published this content on 26 July 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 26 July 2023 23:43:22 UTC.