Clean Science and Technology Limited

rs,

14.05.2026 To BSE Limited Phiroze JeeJeebhoy Towers, Dalal Street, Fort, Mumbai – 400 001 Scrip Code: 543318 Subject: Investor Presentation. Dear S

45.5%

Revenue in INR Crore 197 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3%

42.1%

ue in INR Crore 197 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7%

44.8%

NR Crore 197 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3%

43.8%

e 197 Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1%

46.4%

Q1 FY25 Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2%

34.1%

Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8%

8.7%

25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8% 45.6%

36.6%

FY25 Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8% 45.6% 33.3%

9.6%

Q4 FY25 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8% 45.6% 33.3% 11.7

35.7%

5 Q1 FY26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8% 45.6% 33.3% 11.7% Q1 F

37.3%

Y26 Q2 FY26 Q3 FY26 Q4 FY26 45.5% 42.1% 44.8% 43.8% 46.4% 34.1% 8.7% 36.6% 9.6% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 44.3% 34.7% 40.3% 36.1% 10.2% 9.8% 45.6% 33.3% 11.7% Q1 FY25 Q2

“Pallavi Gokhale Non-Executive, Independent Director Member of ICAI and ICMAI Erstwhile Partner at Ernst & Young LLP 15 CONTINUED COMMITMENT TOWARDS SUSTAINABILITY AND ESG Sustainability and ESG initiatives are embedded in our long term growth strategy ENVIRONMENT EMPATHY (E) ➢ Utilize resources efficiently, reduce waste and minimize emissions as part of our sustainability commitment ➢ We aim to plant more than 50,000 trees over the next five years ➢ ~20 MW solar capacity.”

Genesis

1

Key functions

1

Genesis

➢ Technocrat Promoters collaborated to develop novel, clean and sustainable chemical processes ➢ Aligned to the philosophy, Company was named as Clean Science and Technology ➢ Commercialized unique catalytic process for 4-MAP ➢ Commercialized HALS 770 & 701 ➢ Expanded capacity of MEHQ, Guaiacol and BHA by 50% ➢ Commercialized unique vapor 2020 2021 phase route for Anisole ➢ Backward integration for flagship products ➢ Commercialized unique technology process for DCC 2014 2018 2009 ➢ Commercialized unique catalytic process for MEHQ and Guaiacol 2011 ➢ Commercialized unique catalytic forward integration process for BHA ➢ launched HQ & Catechol 2024 ➢ Commercializ ed BHT, DHDT ➢ Recorded highest volume across products 10 DIVERSIFIED PRODUCT PROFILE SERVING CRITICAL END-USER INDUSTRIES Largest capacity in the world for our flagship products PERFORMANCE CHEMICALS PHARMA AND AGRO INTERMEDIATES FMCG CHEMICALS MEHQ (Monomethyl Ether of Hydroquinone) Guaiacol ➢ Used as polymerization inhibitor

Key functions

Marketing, R&D Over 3 decades of expertise in the chemical industry. KRISHNA BOOB Executive Director Key functions: Industrial relations, Purchase Bachelor of Pharmacy – University of Mumbai, India 14 ROBUST CORPORATE GOVERNANCE Distinguished Board of Directors and reputed financial market participants underscore sound governance PROFILE OF NON-EXECUTIVE, INDEPENDENT DIRECTORS ON THE BOARD PRADEEP RATHI Chairman and Non-Executive Director B.Sc, M.S. (MIT, USA) MBA (Columbia, USA) KEVAL DOSHI Non-Executive, Independent Director B.Com. (University of Mumbai) Member of ICAI Erstwhile Partner at Ernst & Young LLP Sanjay Kothari Non-Executive, Non-Independent Director B.Com (University of Calcutta) Member of ICAI and ICSI Mr. Raj Kamal Non-Executive, Independent Director M.A., LL.B., Diploma in Foreign Trade Management IIFT, New Delhi Ms. Pallavi Gokhale Non-Executive, Independent Director Member of ICAI and ICMAI Erstwhile Partner at Ernst & Young LLP 15 CONTINUED COMMITMENT TOWARDS SUSTAI