Trading Window

Orient Ceratech Limited (Formerly known as Orient Abrasives Limited) An Ashapura Group Company Ref No.: Orient/Stock Exch/Letter/520 28th September, 2026 The Dy. General Manager, The Dy. Gen. Manager, Corporate Relations & Services Dept., National Stock Exchange of India Ltd., BSE Limited Corporate Relations Dept., P. J. Towers, Dalal Street, Exchange Plaza, Bandra-Kurla Complex, Mumbai - 400 023. Bandra (E), Mumbai – 400 051. Scrip Code: 504879 Scrip Code: ORIENTCER Dear Sir/Madam, Sub: Intimation of Closure of Trading Window Pursuant to the provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 read with Company’s Code of Conduct for Prohibition of Insider Trading in its Securities, this is to inform that, the trading window for dealing in securities of the Company will be closed for all Designated Persons of the Company w.e.f. 01st October, 2026 till the end of 48 hours after the declaration of the Un-audited financial results for the quarter ending on 30th September, 2026. The date of Board Meeting for consideration of aforesaid Un-audited Financial Results would be intimated in due course. Kindly take the above on your record. Thanking You, Yours faithfully, FOR ORIENT CERATECH LIMITED KRUPAL UPADHYAY COMPANY SECRETARY & COMPLIANCE OFFICER ACS: A50301 Registered Office : Lawrence & Mayo House, 3rd Floor, 276, D. N. Road, Fort, Mumbai - 400 001. India Website : www.orientceratech.com Tel.: +91-22 6622 1700, Fax: +91-22 2207 4452 Email : orientceratech@oalmail.co.in Works: G.I.D.C. Industrial Area, Porbandar - 360 577, Gujarat, India lnvestor@oalmail.co.in Tel.: +91-286 2221788 / 9, Fax: +91-286 2222719 CIN:L24299MH1971PLC366531