Clean Science and Technology Limited

rs,

06.11.2025 To, BSE Limited Phiroze JeeJeebhoy Towers, Dalal Street, Fort, Mumbai – 400 001 Scrip Code: 543318 Subject: Investor Presentation. Dear S

44.9%

ent EBITDA margins 195 225 217 228 232 245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26

44.4%

TDA margins 195 225 217 228 232 245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26

45.5%

225 217 228 232 245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6%

33.6%

217 228 232 245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 4

9.0%

8 232 245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8%

34.4%

245 220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8%

34.1%

220 211 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8% 46.4%

7.9%

1 Revenue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8% 46.4% 35.7%

8.7%

enue in INR Crore Q3 FY24 Q4 FY24 44.9% 44.4% Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8% 46.4% 35.7% 37.3%

42.1%

Q1 FY25 45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8% 46.4% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 43.7% 34.7% 10.2% Q3 F

36.6%

45.5% 33.6% 9.0% 34.4% 34.1% 7.9% 8.7% Q2 FY25 Q3 FY25 Q4 FY25 Q1 FY26 Q2 FY26 42.1% 36.6% 9.6% 44.8% 43.8% 46.4% 35.7% 37.3% 8.4% 7.9% 32.5% 9.2% 43.7% 34.7% 10.2% Q3 FY24 Q4

Key functions

2

Genesis

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 TBHQ 2022 2023 ➢ Commercialized largest plant for HALS from India ➢ Commercialized unique vapor phase route for Anisole ➢ Backward integration for flagship products 2020 2021 ➢ Commercialized unique technology process for DCC ➢ Commercialized HALS 770 & 701 ➢ Expanded capacity of MEHQ, Guaiacol and BHA by 50% ➢ Commercialized unique catalytic process for 4-MAP 2014 2018 2009 ➢ Commercialized unique catalytic process for MEHQ and Guaiacol 2011 ➢ Commercialized unique catalytic forward integration process for BHA 2025 967 2025 2024 ➢ Commercialized BHT, DHDT ➢ Recorded highest volume across products 11 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 (Monomet

Key functions

Business operations 15 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 PROF. G. D. YADAV Sanjay Kothari Chairman and Non-Executive Director Non-Executive, Independent Director Non-Executive, Non-Independent Director B.Sc, M.S. (MIT, USA) MBA (Columbia, USA) Chairman – Sudarshan Chemicals B.Chem. Engineering, Ph.D Technology B.Com (University of Calcutta) Member of ICAI and ICSI KEVAL DOSHI Non-Executive, Independent Director B.Com. (University of Mumbai) Member of ICAI Erstwhile Partner at Ernst & Young LLP MADHU DUBHASHI Non-Executive, Independent Director PG in Business Administration (IIM Ahmedabad) Balanced board ensures transparency and accountability Highly experienced and diversified non-executive directors, are also board members of other reputed listed companies Mr. Pradeep Rathi, Prof. G. D. Yadav, and Mr. Sanjay Kothari