Announcement under Regulation 30 (LODR) - Change in RTA

Ref: SSPSL /SEC /2026-27/Sep/01 03rd Sep 2026 TO, TO, THE LISTING DEPARTMENT, THE MANAGER – LISTING, NATIONAL STOCK BSE LIMITED, P.J. TOWERS, DALAL STREET, EXCHANGE OF INDIA LTD, EXCHANGE FORT, MUMBAI – 400 001, MAHARASHTRA PLAZA, BANDRA – KURLA COMPLEX, BSE SCRIP CODE: 517273 BANDRA(EAST), MUMBAI – 400 051, MAHARASHTRA NSE SYMBOL: S&SPOWER Dear Sir / Madam, Reg: Intimation under Regulation 7 & 30 of SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015 - Change of Registrar to an Issue and Share Transfer Agent (RTA) In terms of Regulation 7 & 30 and all other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, and in continuation to our intimation dated March 5, 2026, this is to inform that the Registrar to an Issue and Share Transfer Agent (RTA) of the company for its equity shares has been changed from M/s GNSA Infotech Private Limited (“GNSA”) to M/s KFin Technologies Limited (“KFin Tech”) w.e.f. September 2, 2026. Letters received from National Securities Depository Limited dated September 1, 2026 and Central Depository Services (India) Limited dated September 2, 2026 are enclosed herewith. It is hereby intimated that the shifting of RTA connectivity of the company to the new Registrar to an Issue and Share Transfer Agent is completed. The address and contact details of our new Registrar to an Issue and Share Transfer Agent is as under: KFin Technologies Limited Unit: S & S Power Switchgear Limited Selenium Tower B, Plot 31 & 32, Financial District, Nanakramguda, Hyderabad – 500032 Email: einward.ris@kfintech.com Toll Free: 1800 309 4001 Website: www.kfintech.com All the stakeholders and other concerned persons are requested to communicate all the correspondence and requests relating to the company’s equity shares to the abovementioned address now onwards. Further, in terms of Regulation 7(4) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, a tripartite agreement between the company, M/s. GNSA Infotech Private Limited (old RTA) and KFin Technologies Limited (new RTA) is under process and same will be intimated in due Course. We request you to kindly take the above on record. Thanking you, Yours faithfully, For S & S POWER SWITCHGEAR LIMITED Prince Thomas Company Secretary & Compliance Officer M. No. F11841 CONFIDENTIAL II/DR/DEMAT/2026/0345 September 01, 2026 Mr Prince Thomas Company Secretary & Compliance Officer S and S Power Switchgear Limited PLOT NO 14, CMDA INDUSTRIAL AREA PART-II CHITHAMANUR VILLAGE MARAIMALAI NAGAR KANCHEEPURAM DISTRICT - 603209 Dear Sir, Sub: Change of R&T Agent for connectivity for S and S Power Switchgear Limited We refer to your letter intimating change of R&T Agent for electronic connectivity from GNSA Infotech Private Limited to KFIN TECHNOLOGIES LIMITED . In this regard, please note that the change of R&T Agent is scheduled to be carried out on September 02, 2026 . Consequent to the change, GNSA Infotech Private Limited will stop acting as R&T Agent for electronic connectivity w.e.f. BOD of September 02, 2026 and KFIN TECHNOLOGIES LIMITED may commence as the R&T Agent on September 02, 2026 . In case you require any further clarifications, please get in touch with us on 022-2499 4552/4543. Yours faithfully, Prathmesh Mungle Deputy Vice President Cc : Mr. Krishnakumar . Compliance Officer GNSA Infotech Private Limited STA Department, Nelson Chambers, 4th Floor, F-Block, 115 Nelson Manickam Road, Amjikarai, Chennai - 600029 Mr. Srinivas Sudheer Venkatapuram . Vice Precident- Corporate Registry KFIN TECHNOLOGIES LIMITED Seleniun Tower B,Plot No. 31 & 32 Financial District , Nanakramguda,Gachibowli Hyderabad - 500032 301, 3rd Floor, Naman Chambers, Plot C-32, G - Block, Bandra Kurla Complex, Bandra (E), Mumbai - 400 051, India Tel.: 91-22-6944 8400 | CIN-L74120MH2012PLC230380 | Email: info@nsdl.com | Web: www.nsdl.co.in CONFIDENTIAL CDSL/OPS/RB-RP/RTA-CH/2026-27/141 02/09/2026 The Company Secretary S & S POWER SWITCHGEAR LIMITED Plot No 14, Cmda Industrial Area Part-II, Chithamanur Village, Maraimalai Nagar, Kancheepuram, Chennai Tamil Nadu, India, 603209 Dear Sir, Sub: Change in RTA from GNSA INFOTECH PRIVATE LIMITED To KFIN TECHNOLOGIES LIMITED This has reference to your request for change of RTA. We have effected the change in RTA in CDSL system from from GNSA INFOTECH PRIVATE LIMITED To KFIN TECHNOLOGIES LIMITED on 02/09/2026. Please note that the Tri-partite Agreement with your previous RTA now stands cancelled. Thanking you, Yours faithfully, For Central Depository Services (India) Limited Nilesh Shah Vice President – Operations CC: Kind Attn. : Compliance Officer KFIN TECHNOLOGIES LTD Selenium Tower B, Plot 31-32, Gachibowli, Financial District Nanakramguda - 500032 Hyderabad Regd. Office : Marathon Futurex, A-Wing, 25th floor, NM Joshi Marg, Lower Parel (East), Mumbai- 400013, Phone : 91-22-2302 3333, Fax : 91-22-2300 2043, Website : www.cdslindia.com CDSL: L67120MH1997PLC112443 Inter Classification - Internal