Pursuant to SEBI( Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, the " Trading Window" for dealing/ trading in the shares of the Company shall remain closed from October 01, 2026, till the Completion of 48 hours after the declaration of the financial results of the Company, for the quarter ended September 30, 2026. Accordingly, all the Promoters , Directors, and Designated Persons of the Company and their immediate ....

GKB Ophthalmics Ltd. Tel. . (91 832) 6714444 16-A, Tivim lndustrial Estate, Mapusa, Goa 403 526 (lNDlA) E-mail : gkbophthalmics@gkb.net ClN.: 126109GA1 981 P1C000469 Website :www.gkb.net GKB/SI:EXCH September 28, 2026 Department of Colporate Services BSE Limited Phiroze Jeejubho! Towers Dalal Street Mumbai - 400 001 Ref : Scrio Code No. : 533212 Sub: Closure of Tradins Window Dear Sir, Pursuant to SEBI (Prohibition of Insider Trading) Regulations 2015, as amended from time to time, the "Trading Window" for dealing/trading in the shares of the Company shall remain closed from October 01,2026, till the completion of 48 hours after the declaration ofthe financial results ofthe Company, for the quarter ended September 30,2026. Accordingly, all the homoters, Directors and Designated Persons of tle Company and their immediate relatives are being intimated to not to enter into any transaction involving aading in shares of the Company, during the period of closure of Trading Window. Further, the date of Board Meeting at which the said results will be considered shall be intimated in due course of time. Kindly take the information on record. Thanking you, Yours faithfully, Pooja Dessai Company Secretary