Further to intimation dated June 29, 2026, and pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, we hereby inform you that the trading window for ....

REF: HSL/SEC/2026/61 September 01, 2026 To To The Deputy Manager The Manager Department of Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot No. C/1, G Block P.J. Towers, Dalal Street Bandra-Kurla Complex, Bandra (E) Mumbai -400001 Mumbai 400051 Scrip Code: 514043 Symbol: HIMATSEIDE Dear Sir/ Madam, Sub: Intimation of Opening of Trading Window pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 Further to the intimation dated June 29, 2026, and pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, we hereby inform that the trading window for dealing in the equity shares of the Company by designated persons and their immediate relatives, is open w.e.f. Tuesday, September 01, 2026. Kindly take the same on your record. Thanking you, Yours Sincerely, For Himatsingka Seide Limited Bindu D. Company Secretary & Compliance Officer Himatsingka Seide Limited Registered Office: No.4/1-2, Crescent Road, Bangalore – 560001, India T +918022378000 E hslblr@himatsingka.com CIN L17112KA1985PLC006647 www.himatsingka.com