Press Release

A C U T S® ACUTAAS CHEMICALS LIMITED A A A (Formerly known as Ami Organics Limited) CIN No. : L24100GJ2007PLC051093 You and us: chemistry’s apex August 28, 2026 To, To, The Listing Department, The Listing Department BSE LIMITED, National Stock Exchange of India Limited, Phiroze Jeejeebhoy Towers, Exchange Plaza, 5™ Floor, Plot No. C-1, Dalal Street, Fort G-Block, Bandra Kurla Complex, Mumbai- 400 001 Mumbai -400051 Scrip Code: 543349 NSE Symbol: ACUTAAS Subject: Press Release under Regulation 30 of SEBI (LODR) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30 of SEBI Listing Regulations please find enclosed herewith a copy of Press Release dated August 28, 2026 titled as “Acutaas Chemicals’ step-down subsidiary Indichem inaugurates Semiconductor Materials Plant at Gongju, The Republic of Korea”. The Press Release shall also be available on the website of the company at www.acutaas.com Kindly take the same on your record. Yours faithfully, For, ACUTAAS CHEMICALS LIMITED CS Ekta Kumari Srivastava Company Secretary & Compliance Officer . +9175730 15366, +91 72279 77744 Q Registered Office: Plot No. 440/4, 5 & 6, 4 info@acutaas.com Road No. 82/A, GIDC Sachin, # www.acutaas.com Dist. Surat - 394230, Gujarat, India PRESS RELEASE Acutaas Chemicals’ step-down subsidiary Indichem Inaugurates Semiconductor Materials Plant at Gongju, The Republic of Korea Built in eleven months, the venture will synthesise chemicals in India and refine to semiconductor grade materials in The Republic of Korea (“South Korea”), next door to its customers Gongju, South Korea, August 28, 2026: Acutaas Chemicals Limited (BSE: 543349, NSE: ACUTAAS), a leading India-based manufacturer of specialty chemicals and pharmaceutical intermediates, today announced that Indichem Inc., its step-down subsidiary in South Korea, has inaugurated its semiconductor chemicals manufacturing plant at Gongju, Chungcheongnam-do. The plant was inaugurated at a ceremony held today at the facility. KEY HIGHLIGHTS  State-of-the-Art Facility Commissioned: Semiconductor materials plant inaugurated at Gongju, Chungcheongnam-do, South Korea, completed within 11 months of its September 29, 2025 groundbreaking  Expansive Footprint: Land spans 16, 513.7 sq. m. across three buildings – main production block, combined headquarters/R&D/pilot plant, and warehouse – with additional land available on-site for expansion  Strategic Venture: Acutaas Advance Material Limited (“AAML”) (a wholly owned subsidiary of Acutaas Chemicals Limited) and J & Materials Co. Ltd respectively hold 75:25 stake in Indichem Inc. AAML has invested KRW 30 billion (approx. ₹200 crore) in Indichem Inc.  Synergistic Two-Country Model: Chemicals synthesised in India; refined, tested and qualified to semiconductor grade in South Korea, close to customers base, enabling operational & technological synergies  Ultra-High Purity Standards: Niche materials require parts-per-billion purity levels, demanding deep technical expertise and rigorous quality control Speaking on the occasion, Mr. Naresh Patel, Chairman & Managing Director, Acutaas Chemicals Limited, Said: “We are thrilled to inaugurate the Gongju plant just eleven months after breaking ground, reflecting the exceptional discipline brought by both partners. By combining India’s core strengths in complex chemical synthesis with Korea’s expertise in ultra-high-purity refining, we have built a synergistic model that neither company could have executed alone. This marks a vital step in scaling our semiconductor materials business into a long-term growth engine for Acutaas.” Commenting on the announcement, Mr. Jay Han, Chief Executive Officer, Indichem Inc, said: “What began as a shared ambition between two companies is now an operational, state-of-the-art facility. Our approach has been the same from day one: we are not asking our customers to come to India — we are bringing India to Korea. I believe this is a starting point of long journey in this partnership of creating one of the leading semiconductor materials company in Republic of Korea.” PRESS RELEASE ABOUT INDICHEM INC. Indichem Inc. is a South Korean company incorporated in 2025 as a joint venture between Acutaas Advance Material Limited (“AAML”), a wholly owned subsidiary of Acutaas Chemicals Limited (India), and J & Materials Co., Ltd. (South Korea). Under the joint venture agreement signed on 27 June 2025, AAML holds 75% of Indichem’s share capital and J & Materials holds the remaining 25%. Indichem is headquartered at Dongtan, Gyeonggi-do, in Republic of Korea, within reach of the country’s principal semiconductor and display manufacturing clusters. The company manufactures specialty chemicals for the semiconductor and IT/display industries, with an initial focus on high-purity chemicals for semiconductor applications. Its purpose is to give global chip and display makers a high-purity, cost-competitive materials supply chain built on Indian synthesis and Korean refining — one that is more resilient and more geographically diversified than the industry’s traditional supply base. ABOUT ACUTAAS CHEMICALS LIMITED Acutaas Chemicals Limited (BSE: 543349, NSE: ACUTAAS), formerly Ami Organics Limited, is a research-driven specialty chemicals manufacturer headquartered in Surat, Gujarat, serving the pharmaceutical, semiconductor, battery chemicals, personal care, agrochemical and fine chemicals industries. Its core strength lies in the development and manufacture of advanced pharmaceutical intermediates for regulated and generic APIs, as well as intermediates for New Chemical Entities (NCEs). Acutaas is also expanding portfolio to include high-value speciality chemicals for emerging technologies such as battery materials, semiconductor, and next-generation electronic applications. CAUTIONARY STATEMENT This press release contains certain forward-looking statements. Any forward-looking statement applies only as of the date of this press release. By their nature, forward-looking statements are subject to a number of known and unknown risks and uncertainties that may or may not occur in the future, as a result of which actual results and performance may differ substantially from the future results or performance expressed or implied in the forward-looking statements. No warranties or representations are made as to the accuracy, achievement or reasonableness of such statements, estimates or projections, and Acutaas Chemicals Limited has no obligation to update any such information or to correct any inaccuracies herein or any omissions therefrom which may become apparent. FOR DETAILS, PLEASE CONTACT Investor Relations at Acutaas Chemicals Limited Mr. Rahul Thakur, Senior Manager – Investor Relations Rahul.thakur@acutaas.com REGISTERED OFFICE Plot no. 440/4, 5 & 6, Road No. 82/A, GIDC Sachin, Surat – 394230 CIN: L24100GJ2007PLC051093 · ISIN: INE00FF01025 NSE: ACUTAAS · BSE: 543349 · www.acutaas.com