General Updates

September 07, 2026 National Stock Exchange of India Ltd. BSE Limited Symbol: UNIMECH Scrip Code: 544322 Dear Sirs, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Further investment in Dheya Engineering Technologies Private Limited pursuant to the Share Purchase Agreement (SPA) dated August 07, 2026 In continuation to intimation made on 3rd August, 2026, this is to inform you that the Company has acquired 850 Equity shares of Dheya Engineering Technologies Private Limited for an aggregate consideration of Rs. 2,99,82,364.50/- through a secondary purchase, pursuant to the terms of the SPA dated August 07, 2026. The disclosure as required under Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and the SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, as amended from time to time, is attached herewith and marked as Annexure A to this letter. The details of occurrence of event/information are as follows: 1. Date of occurrence of the Event / Information: September 07, 2026 2. Time of occurrence of the Event/ Information: 03:23 P.M Kindly acknowledge and take the same on records. Yours Faithfully, For Unimech Aerospace and Manufacturing Limited Ramakrishna Kamojhala Whole Time Director and Chief Financial Officer DIN: 07004517 Encl: As above ANNEXURE A The details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular, are as under: AGREEMENT DETAILS SI No Particulars Details a. name of the target entity, details in brief Dheya Engineering Technologies Private such as size, turnover etc Limited. Turnover – Rs. 206.03 lakhs; paid up capital – Rs. 1.67 Lakhs. b. whether the acquisition would fall within Dheya Engineering Technologies related party transaction(s) and whether the Private Limited is a “Related Party” of promoter/ promoter group/ group the Company as per the provisions of the companies have any interest in the entity Companies Act, 2013. being acquired? If yes, nature of interest and However, the proposed investment does details thereof and whether the same is done not fall under the definition of Related at “arm’s length” Party Transaction. Mr. Anil Kumar Puttan, Chairman and Managing Director and Mr. Rajanikanth Balaraman, Whole Time Director of the Company, are Directors of Dheya Engineering Technologies Private Limited and represent the Company on the Board of Dheya Engineering Technologies Private Limited. Except as disclosed above, none of the Promoters or Members of the Promoters Group or Directors of the Company are interested either financially or otherwise, in Dheya Engineering Technologies Private Limited. c. industry to which the entity being acquired Aerospace and energy technology sector. belongs d. objects and impact of acquisition (including This strategic investment aligns with the but not limited to, disclosure of reasons for Company’s long-term objectives of acquisition of target entity, if its business is strengthening its presence in the Manufacturing Domain and leveraging outside the main line of business of the synergies in product development, listed entity) technology, and market expansion. The acquisition is expected to enhance operational collaboration, improve resource utilization, and create opportunities for joint innovation, thereby contributing to sustainable growth and shareholder value. e. brief details of any governmental or NA regulatory approvals required for the acquisition f. indicative time period for completion of the September 07, 2026 acquisition g. consideration - whether cash consideration Cash Consideration or share swap or any other form and details of the same h. cost of acquisition and/or the price at which Acquisition of 850 Equity Shares of the shares are acquired Dheya Engineering Technologies Private Limited for an aggregate consideration of Rs. 2,99,82,364.50/- (Rupees Two Crores Ninety Nine Lakhs Eighty Two Thousand Three Hundred Sixty Four and Fifty Paise only) through Secondary purchase. i. percentage of shareholding / control 5.08%. Total percentage of Shareholding acquired and / or number of shares acquired with this acquisition is 35.07%. j. in case of issuance of shares to the parties, Not Applicable. details of issue price, class of shares issued k. brief background about the entity acquired Dheya is developing gas turbine engines in terms of products/line of business for defence and energy applications. The acquired, date of incorporation, history of company is working on a range of last 3 years turnover, country in which the military-grade engines with thrust acquired entity has presence and any other capacities from 20 kgf to 400 kgf, significant information (in brief) primarily intended for use in unmanned aerial vehicles (UAVs). Dheya is actively engaging with domestic and international customers for the deployment of its already tested 20 kgf, 40 kgf, and 50 kgf engines. Dheya is also developing hydrogen- based flexible-fuel gas turbine technology and has successfully completed the combustor design for 60 kW turbogenerator in collaboration with IISc Bangalore. Dheya has successfully demonstrated a hydrogen-based high-speed anode blower for the Indian Navy's submarine program. The product has received global ATEX certification, validating its reliability for operation in hazardous environments. To support future growth, Dheya is establishing an integrated gas turbine engine testing facility, which will enhance both testing capabilities and production readiness. Date of Incorporation - December 01, 2017 Details of Last 3 years turnover - FY 2025-26 – Rs. 2,06,02,785 FY 2024-25 – Rs. 1,72,90,388 FY 2023-24 – Rs. 98,94,086