Giving guarantees/indemnity/ becoming a surety for third party

September 21, 2026 The Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Bandra East , Mumbai 400 001. Mumbai 400 051. Scrip Code: 539523 Scrip Symbol: ALKEM Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 as amended (“SEBI LODR Regulations”). Dear Sir(s)/ Madam, Pursuant to Regulation 30 of the SEBI LODR Regulations, this is to inform you that the Company has issued Corporate Guarantee of an amount of Euro 54.45 Million to HSBC UK Bank plc (“the Bank”), for term loan of an amount of Euro 49.5 Million availed by M/s. Occlutech Holding AG, a step-down subsidiary of the Company in Switzerland. In this regard, the necessary disclosures/ information required to be submitted pursuant to Regulation 30 of SEBI LODR Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025- CFDPOD2/I/3762/2026 dated January 30, 2026, have been provided in Annexure – I. A copy of this disclosure will be made available on the Company’s website in accordance with Regulation 30(8) of the SEBI LODR Regulations. Request you to kindly take the same on record. Sincerely, For Alkem Laboratories Limited Manish Narang President – Legal, Company Secretary & Compliance Officer Encl: a/a Annexure I Particulars Details name of party for which such guarantees or M/s. Occlutech Holding AG (“Occlutech”), a indemnity or surety was given step-down subsidiary of the Company in Switzerland whether the promoter/ promoter group/ group The promoter/ promoter group/ group companies companies have any interest in this transaction? are not interested in this transaction. If yes, nature of interest and details thereof and whether the same is done at “arm’s length The corporate guarantee is issued at arm’s length. brief details of such guarantee or indemnity or Corporate Guarantee for an amount of Euro becoming a surety viz. brief details of agreement 54.45 Million to HSBC UK Bank plc (“the entered (if any) including significant terms and Bank”), for term loan of an amount of Euro 49.5 conditions, including amount of guarantee; Million availed by M/s. Occlutech impact of such guarantees or indemnity or surety It is a contingent liability of the Company that on listed entity. Company has to pay in case Occlutech defaults