Appointment of Directors and reconstitution of the Nomination & Remuneration Committee - details enclosed.

12th October 2026 Corporate Relationship Dept. BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400001, Maharashtra Dear Sir/ Madam, Sub: Disclosure Under Reg. 30 - Appointment of Mr. Sukumar Hebbar as Additional Director (Non- Executive) & Chairman of Board, Ms. Priti Patel as Additional Director (Non-Executive) and reconstitution of the Nomination & Remuneration Committee (NRC). 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 based on the recommendations of the Nomination and Remuneration Committee, the Board of Directors of the Company appointed Mr. Sukumar Hebbar as Additional Director (Non-Executive) & Chairman of Board and Ms. Priti Patel as Additional Director (Non-Executive) on the Board of the Company with effect from 12th October 2026 subject to the approval of the members at the ensuing General Meeting of the Company and further to the changes in the Board Constitution the Board approved the reconstitution of the Nomination & Remuneration Committee as follows: Earlier Constitution Present Constitution Ms. Priya Kher, Chairperson Ms. Priya Kher, Chairperson Ms. Subhra Gourisaria, Member Mr. Sukumar Hebbar, Member Mr. Jyotisman Dasgupta, Member Mr. Jyotisman Dasgupta, Member 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 the appointment and reconstitution of Board Committees are provided below: S. No. Particulars Details 1 Reason for change viz. Mr. Sukumar Hebbar, appointed as Additional Director appointment, resignation, (Non-Executive) & Chairman of the Board of the Company. removal, death or otherwise; Date of appointment/cessation (as 2 With effect from 12th October 2026 applicable) & term of appointment 3 Brief profile (in case of Mr. Sukumar Hebbar is a seasoned business leader with appointment); over 36 years of experience in the engineering, procurement and construction (EPC) industry, with extensive expertise in business transformation, operational excellence, project execution, innovation and people leadership. He is presently serving as the Managing Director & Chief Executive Officer of Tata Projects Limited (TPL). Prior to joining TPL, he was associated with Larsen & Toubro Limited (L&T), where he held leadership positions across Transportation Infrastructure, Healthcare, Public Spaces, Airports, Data Centers, and Buildings-International. He played a pivotal role in establishing and scaling high- 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 S. No. Particulars Details growth business verticals, creating strong platforms for sustainable growth and market leadership. Mr. Hebbar has led the successful delivery of several landmark infrastructure projects and managed large, complex portfolios of national and international significance. His experience spans transportation, healthcare, aviation, commercial infrastructure, and digital infrastructure, including the execution of premier healthcare institutions such as AIIMS projects, leading medical colleges, and advanced cancer care facilities. An advocate of technology-led project delivery, he has championed modern construction methodologies, including 3D Concrete Printing, Modular Construction, and Composite Structures, while driving digital transformation to enhance project execution and operational excellence. A strong believer in safety as a core organizational value, he has fostered high-performing teams that have earned multiple British Safety Council Sword of Honour recognitions for excellence in health, safety, and environmental performance. Widely respected for his people-first leadership style, Mr. Hebbar is known for building empowered teams, nurturing a culture of trust, and delivering sustainable business outcomes. He holds a bachelor’s degree in architecture from Mysore University and has completed the Advanced Management Program at INSEAD, France. Disclosure of relationships Mr. Sukumar Hebbar is not related to any of the Director 4 between directors (in case of of the Company. appointment of a director) S. No. Particulars Details 1 Reason for change viz. Ms. Priti Patel, appointed as an Additional Director (Non- appointment, resignation, Executive) of the Company. removal, death or otherwise; Date of appointment/cessation (as 2 With effect from 12th October 2026 applicable) & term of appointment 3 Brief profile (in case of Ms. Priti is a seasoned business leader with over two appointment); decades of experience in the global infrastructure sector. Ms. Priti is spearheading the development and execution of a comprehensive growth strategy, aiming to seize emerging opportunities and drive sustainable profitable growth. This includes focusing on building and implementing strategies for new business lines, mergers and acquisitions, joint ventures, policy advocacy, and enhancing the organization's brand, in addition to driving business process excellence and sustainability interventions. 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 S. No. Particulars Details She is presently serving as the Chief Business Transformation Officer at Tata Projects Limited (TPL) and a Managing Committee member. Prior to joining TPL, she played a pivotal role as a major infrastructure and construction conglomerate. Her responsibilities encompassed enhancing operational performance, managing contracts, fostering government and stakeholder relations, and forging strategic partnerships. Ms. Priti is a passionate advocate for girl-child education, skills development, and women cluster projects and has earned widespread recognition for her efforts in these areas. She holds key leadership roles in non-profits and industry forums, including Construction Federation of India (CFI) NICMAR, FICCI, and ASSOCHAM. Disclosure of relationships Ms. Priti Patel is not related to any of the Director of the 4 between directors (in case of Company. appointment of a director) 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