Please see annexed enclosure

Date: July 30, 2026 To, Listing Compliance Department Listing Compliance Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1 Block G, Phiroze Jeejeebhoy Towers Bandra - Kurla Complex, Bandra (East) Dalal Street, Mumbai - 400 051 Mumbai - 400 001 SCRIP CODE: 544333 SYMBOL: SETL Dear Sir/Madam, Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Completion of Acquisition of 33.55% in M/s. GScale Energy Private Limited Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (the “SEBI Listing Regulations”), with reference to the Company's intimation dated June 25, 2026 and the Addendum to the Investors Presentation dated June 29, 2026 regarding the approval for the proposed acquisition of up to 51% Equity in M/s. GScale Energy Private Limited, we wish to inform that the Company has successfully completed the Acquisition of 33.55% in M/s. GScale Energy Private Limited The Company has remitted the entire cash consideration in accordance with the terms of the Shareholders Agreement and the Share Subscription Agreement (“the definitive agreements”). Pursuant thereto, M/s. GScale Energy Private Limited has allotted equity shares to the Company on July 30, 2026. Consequent upon the completion of the above, the Company now holds 33.55% of the paid-up equity share capital of M/s. GScale Energy Private Limited. Accordingly, M/s. GScale Energy Private Limited has become an Associate Company of Standard Engineering Technology Limited with effect from July 30, 2026. As disclosed earlier, the balance consideration amount shall be discharged by way of share swap through the issuance and allotment of equity shares of the Company and M/s. GScale Energy Private Limited shall become a subsidiary of the Company, in accordance with the terms of the definitive agreements and subject to the receipt of the requisite statutory, regulatory and shareholders' approvals, as applicable, and the fulfilment of the terms and conditions stipulated therein. You are requested to kindly take the above information on record. Thanking you, Yours faithfully, For STANDARD ENGINEERING TECHNOLOGY LIMITED (Formerly known as Standard Glass Lining Technology Limited) Kallam Hima Priya Company Secretary & Compliance Officer Standard Engineering Technology Limited (Formerly known as Standard Glass Lining Technology Limited) Registered Office: D-12, Phase -I, IDA Jeedimetla, Hyderabad-500055 Corporate Office: 10th Floor, PNR High Nest, Hydernagar, KPHB Colony, Hyderabad-500085 Manufacturing Unit: Survey No. 42/A, Alinagar, Chetlapotharam Village, Gaddapotharam, SangaReddy-502319 CIN: L29220TG2012PLC082904 Email: corporate@standardengtech.com Website: www.standardengtech.com Tel: + 040 3518 2204