Closure of trading window for quarter ended September 30, 2026.

28th September, 2026 The General Manager The Manager The Corporate Relationship Department Listing Department BSE Limited National Stock Exchange of India 1st floor, New Trading Ring, Limited Rotunda Building “Exchange Plaza”, C-1, Block G P J Towers Bandra-Kurla Complex Dalal Street, Fort Bandra (E) Mumbai 400 001 Mumbai 400 051 BSE Scrip Code: 500249 NSE Symbol: KSB Sub: Intimation of closure of Trading Window under SEBI (Prohibition of Insider Trading) Regulation, 2015. Dear Sir/ Madam, This is to inform you that pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in securities of the Company will remain closed for all Directors/ Officers/ Designated Persons/ Connected Persons and their immediate relatives of the Company covered under the Code of Conduct, from Thursday, 01st October, 2026 till 48 hours after the announcement of Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ended 30th September, 2026. The date of the Board Meeting of the Company for consideration and approval of the aforesaid results will be intimated in due course. Thanking you, Yours faithfully, For KSB Limited Shraddha Kavathekar Company Secretary Mail to : (Head Office) KSB Limited : Mumbai-Pune Road, Pimpri, Pune - 411 018. (India) Tel. : +91 20-2710 1000 . Visit us at : www.ksbindia.co.in Registered Office : Office No. 601, Runwal R-Square, L.B.S. Marg, Mulund (West), Mumbai- 400 080, Tel.: 022- 6658 8787 Zonal Offices : Zonal Offices : Chennai • Kolkata • Mumbai • NOIDA CIN : L29120MH1960PLC011635