We hereby enclose a Press Release that Yash Highvoltage Limited announced that its Subsidiary YASH HV USA INC. has entered into a Representation Agreement with ENSALES ELECTRICAL ASSOCIATES, INC. headquarter in North Carolina, USA with Sales offices in several US States.

Date: 14-09-2026 Corporate Relations Department BSE Limited 2nd Floor, P. J. Towers Dalal Street Mumbai – 400 001 Scrip Code: 544310 ISIN- INE00GK01023 Sub: Press Release Dear Sir/ Madam, We hereby enclose a Press Release that Yash Highvoltage Limited announced that its subsidiary, YASH HV USA INC., has entered into a Representation Agreement with ENSALES ELECTRICAL ASSOCIATES, INC., headquartered in North Carolina, USA, with sales o(cid:431)ices in several US states. We hereby request you to take the above information on your record. Thanking you, Yours sincerely, For Yash Highvoltage Limited Bhoomi Talati Company Secretary & Compliance O(cid:431)icer FCS:12828 Yash Highvoltage’s subsidiary YASH HV USA INC. Expands US Market Footprint through Strategic Agreement with ENSALES ELECTRICAL ASSOCIATES, INC.  The 36-month agreement covers sales representation and utility homologation and approvals across 19 US states  The partnership comes as Yash Highvoltage® continues to expand its global footprint and build capabilities across advanced bushing technologies Vadodara, 14th September 2026 – Yash Highvoltage Limited (“Yash®” or the “Company”), a leading manufacturer of condenser graded transformer bushings for the power generation and transmission sector, announced that its subsidiary, YASH HV USA INC., has entered into a Representation Agreement with ENSALES ELECTRICAL ASSOCIATES, INC., headquartered in North Carolina, USA, with sales o(cid:431)ices in several US states. The agreement is e(cid:431)ective from 11 September 2026 and will remain valid for 36 months (three years) from the date of execution. The partnership is aimed at strengthening Yash Highvoltage’s engagement with utilities and customers in the US by creating a stronger platform for the company’s global growth. The agreement covers a portfolio of Yash Highvoltage’s transformer bushings, including Low Voltage (LV) High Current Bushings up to 25,000 Amps and Oil-Impregnated Paper (OIP) Condenser Bushings up to 245 kV, including Oil-Air, Oil-Oil and Air-Air configuration types. It also covers Resin Impregnated Paper (RIP) and Resin Impregnated Synthetic (RIS) Condenser Bushings up to 230 kV, available from 2027 onwards. The company’s portfolio of RIP, RIS and OIP technologies positions it to address evolving requirements across power generation and transmission infrastructure. Additional products can be incorporated into the agreement through mutual written consent. Speaking on this development, Mr. Keyur Shah, Chairman & Managing Director, Yash Highvoltage Limited, said: “The US represents an important strategic market for Yash Highvoltage®, and this partnership marks a significant step in strengthening our engagement with utilities and customers across the country. Ensales brings valuable market representation capabilities and an established presence across multiple US states. Beyond sales development, the focus on utility homologation and approvals will help us build a stronger foundation for sustained participation in the US power infrastructure ecosystem. As we expand our portfolio of advanced RIP, RIS and OIP technologies, we see significant potential to serve the evolving needs of the global grid.” Under the agreement, Ensales Electrical Associates, Inc. has been appointed as a Sales Representative of the Company. Its mandate includes promoting, marketing and representing the sales of the Company’s products, along with driving utility homologation & approvals for the Company’s products within the 19 territories. About Yash Highvoltage Limited Yash Highvoltage Limited is a leading manufacturer of condenser graded transformer bushings catering to the power generation and transmission industry. The Company serves leading transformer manufacturers, utilities and power sector customers worldwide and continues to focus on technological excellence, product innovation and manufacturing quality to support the evolving requirements of the global power infrastructure sector. Forward-Looking Statement Certain statements contained in this release may constitute forward-looking statements. These statements are based on management's current expectations and assumptions and are subject to risks and uncertainties that may cause actual results to di(cid:431)er materially from those expressed or implied. The Company undertakes no obligation to publicly update any forward-looking statements except as required under applicable laws and regulations. For additional information: Zenobia Vaz: Zenobia.vaz@adfactorspr.com Sruti Sikdar: sruti.sikdar@adfactorspr.com