We hereby enclose a Press Release that Yash Highvoltage Limited announced that its subsidiary, YASH HV USA INC. strengthen US Footprints that expands reach from 19 to 22 states with new strategic agreement with Gateway power Sales.

Date: 30-09-2026 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. strengthens US Footprint, that expands reach from 19 to 22 States with new strategic agreement with Gateway Power Sales covering additional three Midwestern 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 Strengthens US Footprint, Expands Reach from 19 to 22 States New agreement with Gateway Power Sales adds three Midwestern states to Yash Highvoltage’s US footprint Vadodara, 30th September 2026: Yash Highvoltage Limited (“Yash®” or the “Company”), a leading manufacturer of condenser graded transformer bushings for the power genera(cid:415)on and transmission sector, announced that its subsidiary, YASH HV USA INC., has entered into a 36-month Representa(cid:415)on Agreement with Gateway Power Sales, effec(cid:415)ve September 29, 2026, covering three addi(cid:415)onal Midwestern US states. Gateway Power Sales will support the promo(cid:415)on, marke(cid:415)ng and sales of Yash Highvoltage’s products, alongside stakeholder mapping, product evangelism, u(cid:415)lity approvals and product homologa(cid:415)on across its appointed territories. The agreement builds on YASH HV USA INC.’s exis(cid:415)ng representa(cid:415)on network, including ENSALES ELECTRICAL ASSOCIATES, INC., which was appointed earlier this month to support sales development, u(cid:415)lity homologa(cid:415)on and approvals across 19 US states. With the addi(cid:415)on of Gateway Power Sales, Yash Highvoltage’s US representa(cid:415)on footprint has expanded from 19 to 22 states. The US electrical sector comprises more than 3,000 u(cid:415)li(cid:415)es. YASH HV USA INC.’s representa(cid:415)on agreements are designed to address this diverse market by partnering with experienced US energy- sector companies with established industry rela(cid:415)onships, technical exper(cid:415)se and an understanding of u(cid:415)lity requirements. Their teams support u(cid:415)lity approvals and facilitate the adop(cid:415)on of Yash Highvoltage’s products for projects undertaken by u(cid:415)li(cid:415)es across their respec(cid:415)ve territories. The products represented include LV High Current Bushings up to 25,000 Amps, OIP Condenser Bushings up to 245 kV, and RIP and RIS Condenser Bushings up to 230 kV, available from 2027 onwards. Mr. Keyur Shah, Chairman & Managing Director, Yash Highvoltage Limited, said: “Expanding our US representa(cid:415)on network from 19 to 22 states strengthens our engagement with u(cid:415)li(cid:415)es and customers across this important market. Our partnerships with experienced local representa(cid:415)ves will support market access, u(cid:415)lity approvals and product adop(cid:415)on as we con(cid:415)nue to expand our advanced bushing technologies.” The expanded representa(cid:415)on network is expected to strengthen Yash Highvoltage’s u(cid:415)lity engagement, market access and adop(cid:415)on of its products across the US power infrastructure market. About Yash Highvoltage Limited Yash Highvoltage Limited is a leading manufacturer of condenser graded transformer bushings catering to the power genera(cid:415)on and transmission industry. The Company serves leading transformer manufacturers, u(cid:415)li(cid:415)es and power sector customers worldwide and con(cid:415)nues to focus on technological excellence, product innova(cid:415)on and manufacturing quality to support the evolving requirements of the global power infrastructure sector. Forward-Looking Statement Certain statements contained in this release may cons(cid:415)tute forward-looking statements. These statements are based on management's current expecta(cid:415)ons and assump(cid:415)ons and are subject to risks and uncertain(cid:415)es that may cause actual results to differ materially from those expressed or implied. The Company undertakes no obliga(cid:415)on to publicly update any forward-looking statements except as required under applicable laws and regula(cid:415)ons. For addi(cid:415)onal PR informa(cid:415)on: Zenobia Vaz: Zenobia.vaz@adfactorspr.com Sru(cid:415) Sikdar: sru(cid:415).sikdar@adfactorspr.com For any Investor Rela(cid:415)ons Advisors: Mrs. Disha Shah: disha.shah@adfactorspr.com Mr. Yash Sanghavi: yash.sanghavi@adfactorspr.com