Intimation of receipt of multiple new orders amounting to Rs. 67.14 crores from India''s largest diversified Company

Date: August 29, 2026 The Secretary, Listing Department Bombay Stock Exchange Ltd Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001, MH, IN. Subject: Intimation under Regulation 30 of SEBI (Listing Obligation and Disclosures Requirements), Regulations, 2015 – Receipt of Multiple Purchase Orders aggregating to Rs. 67.14 crores Reference: Security ID: KARBON / Security Code: 544511 / ISIN: INE0V8A01016 Dear Sir/Madam, Pursuant to Regulation 30 read with Schedule III Part A of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements), Regulations, 2015 (SEBI LODR Regulations), we wish to inform you that the Company has received multiple purchase orders aggregating worth Rs. 67.14 crores from India’s largest diversified conglomerate, with major businesses spanning energy, petrochemicals, telecommunications, retail, and digital services. The disclosure as required under Schedule III of the SEBI LODR Regulations read with SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 as amended read with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The details is attached herewith and marked as Annexure A to this letter. Yours Faithfully, For Karbonsteel Engineering Limited Siddhi Parmar Company Secretary and Compliance Officer ACS 60563 Annexure A Disclosure in terms of Regulations 30 of SEBI Listing Regulations read with SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 as amended read with Regulation 30 of the (Listing Obligations and Disclosure Requirements) Regulations, 2015 Bagging/Receiving of Orders/Contracts Sr. No. Particulars Remarks 1 Name of the entity awarding the India’s largest diversified conglomerate, order(s)/contract(s); with major businesses spanning energy, petrochemicals, telecommunications, retail, and digital services 2 Significant terms and conditions of As per Purchase Order order(s)/contract(s) awarded in brief; 3 Whether order(s) / contract(s) have Domestic Entity been awarded by domestic/ international entity; 4 Nature of order(s) / contract(s); Prefabricated Steel Structure 5 Whether domestic or international; Domestic 6 Time period by which the Delivery date is 03.03.2027 order(s)/contract(s) is to be executed; 7 Broad consideration or size of the Aggregating order value order(s)/contract(s); Rs. 67.14 crores 8 Whether the promoter/ promoter No group / group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof; 9 Whether the order(s)/contract(s) No would fall within related party transactions? If yes, whether the same is done at “arm’s length”