July 2024
July 18 2024

Published by OSG Corporation
Audit & Supervisory Committee
OfficePage -1

ESG & Business Strategy Briefing@NEO Shinshiro Factory
Friday, April 19, 2024
ESG and "Business Strategy Briefing
Session" were held for institutional
investors at our NEO Shinshiro Factory.

Nobuaki Osawa, President and COO, explains the event

Takehiro Tomiyoshi, director who is amember of the Audit and Supervisory
Committee, answering questions frominstitutional investors

Explanation of our governance structure

At the "ESG Briefing," the three items of E (Environment), S (Society), and G(Governance) were presented by the respective persons in charge.
Regarding G (Governance), Takehiro Tomiyoshi, director and a member of theAudit Committee, gave a detailed explanation of the Company’s governancestructure and efforts to improve the effectiveness of the Board of Directors.
Institutional investors asked questions such as “How is the Board of Directors
managed with a majority of outside directors?” and “Are you considering
appointing non-Japanese as outside directors from the viewpoint of diversity ?
In the "Business Strategy Briefing" session in the latter half of the meeting, theheads of each working group explained their business strategies, centered on theCompany's initiatives for its medium-term management plan.

July 2024
July 18, 2024

Published by OSG Corporation
Audit & Supervisory Committee
OfficePage -2

Group Company Visit
Nihon Hard Metal Co., Ltd.
Head office factory(Aiko-gun, Kanagawa Prefecture)Thursday, June 6, 2024
◆About Nihon Hard Meal Co., Ltd.◆
Since its establishment in 1964, Nihon Hard Metal Co., Ltd.
has been engaged in production and research as amanufacturer of cemented carbide and cermet materials. Its
products are widely used in various fields such as drills, endmills, taps, insert tips, civil engineering bits for various
urban development, and tools for environmental recycling.
In addition to focusing on research and development ofmaterials that have become increasingly diverse in recentyears, OSG has established integrated production from raw
material blending to finished products.

【Head office factory】
1972: Started operations in an inland industrial
park straddling Atsugi City and Aiko-gun,
Kanagawa Prefecture, aiming to become acomprehensive manufacturer of cementedcarbides.
We are constantly striving to meet ourcustomers' demands for high quality, quickdelivery, and low cost.。

As a manufacturer of "cemented carbide," a material fortools that is indispensable for OSG products, this groupcompany is positioned as particularly important.

Company profile

www.nhm.co.jp

Explanation of final inspection process standards
Cemented carbides contain rare
resources such as tungsten andcobalt in their raw materials. As acontribution to a sustainable
society, we inspected themanagement system to use raw
materials without waste. We also
confirmed the dust control
measures taken when handlingtungsten powder, the raw material.
We also confirmed the standards
for the inspection process tocontrol the accuracy of smalldiameter round rods used forsmall-diameter tools such as micro
precision tools.

Check oil hole in small diameterround bar

Observe the process of material being
formed into round bars and extruded.

July 2024
July 18, 2024

Published by OSG Corporation
Audit & Supervisory Committee
OfficePage –３

Group Company Visit

ARIOS INC.

（Akishima-shi, Tokyo）
June 7 th 2024（Friday）◆About ARIOS INC.◆
Since its establishment in 1972, Alios Corporation has
developed a wide variety of instruments andequipment for research and development. Its businesshas been based on vacuum technology since its
foundation, starting with the development ofmeteorological research equipment. Since around1997, Alios has been focusing on the development ofplasma technology. We aim to contribute to society inthe field of advanced technology, focusing on “vacuumtechnology” and “plasma technology” not only inresearch and development but also in production sites.
We are an important group company in the coating
technology of OSG tools.

【Headquarter】
The “ARIOS” brand (trademark) is acombination of the words “ARIEL” (airspirit) and “HELIOS” (sun god).ARIOS” wasconceived by all employees as an
appropriate brand for a company whosebusiness is vacuum and plasma.
。

Website www.arios.co.jp

Outside of
New HQ

Receive an explanation of the company's history,
main business activities, and products

Ultra-high vacuum pumping equipment

MBE Equipment

Examples of products handled (from website)
In order to deepen our stakeholders'
understanding of our company's
initiatives, we will deliver the activitiesof the Audit Committee in the form of
the “Audit Committee Report.

Inside of New Factory
Since its establishment, ARIOS INC., a manufacturer of equipment for
research and development, has accumulated vacuum and plasma
technologies essential for research and development at universities,
research institutes, and companies.
We were able to experience the company culture with its academic
atmosphere and advanced R&D technological capabilities.
We confirmed the development site of a group company that plays animportant role in improving the quality of coated film, which isindispensable for carbide tools.