Cessation of Mr. Vinayak Pai as Chairman & Non-Executive Director of the Company - details enclosed.

30th July 2026 Corporate Relationship Dept. BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400001, MH Dear Sir / Madam, Sub: Cessation of Mr. Vinayak Pai as a Chairman & Non-Executive Director Ref: Security Code - 522134 Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with Para A of Part A of Schedule III to the said Regulations, please be informed that Mr. Vinayak Pai has tendered resignation from the position of Chairman and Non-Executive Director of the Company w.e.f. close of business hours of 31st July 2026, consequent to stepping down from the Holding Company, Tata Projects Limited, on account of other professional commitments and pre-occupations. The Board of Directors of the Company appreciates his valuable contribution and support during his term as the Director of the Company. The Board of Directors place on record its appreciation for the valuable contribution and guidance provided by Mr. Vinayak Pai during his association with the Company as Chairman & Non-Executive Director. The requisite details/disclosures as required under the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Circular SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated 13th July 2023 in respect of cessation is provided below: S. No. Particulars Details 1 Reason for change viz. appointment, Consequent to stepping down from the resignation, removal, death or otherwise; Holding Company, Tata Projects Limited, on account of other professional commitments and pre-occupations. Date of appointment/cessation (as W.e.f. close of business hours of 31st July applicable) & term of appointment 2026 3 Brief profile (in case of appointment); Not Applicable Disclosure of relationships between 4 directors (in case of appointment of a Not Applicable director) A copy of the resignation letter received from Mr. Vinayak Pai is enclosed herewith. Kindly take the same on record. For Artson Limited (Formerly Artson Engineering Limited) Sd/- Deepak Tibrewal Company Secretary & Compliance Officer (FCS 8925) Registered Office: Corporate Office: 14th Floor, Cignus, Plot No. 71A, Ground Floor, Mithona Towers-1, Kailash Nagar, Mayur Nagar Passpoli, 1-7-80 to 87, Prenderghast Road, Powai, Mumbai - 400087, Maharashtra, India. Secunderabad - 500003, Telangana, India. Tel: +91 22 66255600 Tel: +91 40 66018175