Updates

11th September 2026 Department of Corporate Services National Stock Exchange of India, BSE Limited, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Script Code: 506690 Symbol: UNICHEMLAB Dear Sir/Madam, Sub.: Extension of the exercise period for the options granted and vested under Unichem Employee Stock Option Scheme 2018 Pursuant to Regulation 30 of SEBI Listing Regulations, 2015, we wish to inform you that in accordance with the powers conferred under the duly approved Unichem Employee Stock Option Scheme 2018 ("Scheme”) of the Company, the Nomination and Remuneration Committee (“NRC”) of the Board of Directors of the Company vide circular resolution today, i.e. Friday, 11th September 2026, have extended the exercise period of the first & second tranche of vested options held by the option holder under the Scheme. Rest of the terms and conditions of the options so granted remain unchanged. Current Exercise Revised Exercise Tranche of Options Vesting Date Options Period Period 1st Tranche – 50% of the 01-07-2024 250,000 30-09-2026 31-03-2027 Options Granted 2nd Tranche – 25% of the 01-05-2025 125,000 30-09-2026 31-03-2027 Options Granted Kindly take the same on your records. Thanking you, FOR UNICHEM LABORATORIES LIMITED PRADEEP BHANDARI Head – Legal & Company Secretary