General Announcement::Press Release - Collaboration Agreement with KDT Diamond

Metech International Limited

(Incorporated in the Republic of Singapore)

(Company Registration Number 199206445M)

PRESS RELEASE

Collaboration with KDT Diamond, one of the Largest Diamond Distribution and Manufacturing Companies in Korea

• A lab-grown diamond is a diamond: chemically, physically and optically identical to a mined diamond
• AET has the technological capabilities to produce the highest grade of lab-grown diamonds that are used for jewellery
• Established since 1986, KDT Diamond is the largest diamond company in Korea with a few hundred retail stores in the country and it has also developed various online sales channels for its diamond and jewellery business activities
• There is a growing trend of jewellery manufacturers and retailers adopting lab-grown diamonds as consumers make more informed and conscious decisions on their jewellery purchases

Singapore, 12th October 2021 - SGX-listedMetech International Limited ("Metech" or the "Company", and together with its subsidiaries, the "Group"), is pleased to announce that its joint venture company, Asian Eco Technology Pte. Ltd. ("AET") has entered into an agreement with KDT DIAMOND Co.,Ltd ("KDT Diamond").

Established since 1986, KDT Diamond is one of the largest diamond distribution and manufacturing companies in Korea with hundreds of retail stores in the country and it has also developed various online sales channels for its diamond and jewellery business activities.

For more information on KDT Diamond, please visit https://www.diakorea.co.kr/.

Under the agreement, AET will provide a steady supply and minimum quantity of rough and polished lab-grown diamonds to KDT Diamond annually. At the same time, both companies will explore joint venture arrangement to develop the lab-grown diamond business in Korea.

Ms. Samantha Hua, Deputy Chief Executive Officer and Executive Director of Metech, said: "KDT Diamond is the most prolific jeweller in Korea and our ability to supply them with our jewellery- grade lab-growndiamonds reflects our technological capabilities in this specialised market.

Sales of jewellery with lab-grown diamonds has grown significantly and we believe that this trend will continue as consumers make more informed and conscious decisions on their jewellery purchases."

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About Metech International Limited

(Bloomberg: CENR:SP / Reuters: METE.SI / SGX Stock Code: V3M)

Listed on the Singapore Stock Exchange, Metech International Limited ("Metech") has a multi-pronged business model that aligns with the macro trends in the area of environmental and sustainability.

While proactively evaluating new business opportunities to broaden its business model, Metech continues to build on its capabilities and extend the value propositions of its business units.

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Issued on behalf of Metech International Limited by 8PR Asia Pte Ltd.

Media & Investor Contacts:

Mr. Alex TAN

Mobile: [phone]

Email:[e-mail]

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This announcement has been prepared by the Company and its contents have been reviewed by the Company's Sponsor, RHT Capital Pte. Ltd. (the "Sponsor") for compliance with the relevant rules of the Listing Manual Section B: Rules of Catalist of the Singapore Exchange Securities Trading Limited (the "SGX-ST"). The Sponsor has not independently verified the contents of this announcement.

This announcement has not been examined or approved by the SGX-ST and the SGX-ST assumes no responsibility for the contents of this announcement, including the correctness of any of the statements or opinions made or reports contained in this announcement.

The contact person for the Sponsor is Mr Khong Choun Mun, Registered Professional, RHT Capital Pte. Ltd. at 6 Raffles Quay, #24-02, Singapore 048580, [e-mail].