Please find enclosed herewith intimation regarding enhancement of Corporate Guarantee to Bank on behalf of Wholly Owned Subsidiary.

Ref. No. - OIL/SE/2026-27/46 September 23, 2026 Listing Department Listing Department BSE Limited National Stock Exchange of India Ltd Floor 25, P J Towers Exchange Plaza, C-1 Block G Dalal Street Bandra Kurla Complex, Bandra (E) Mumbai- 400 001 Mumbai – 400 051 Scrip Code: 530135 Symbol: OPTIEMUS Subject: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015: Enhancement / Giving of Corporate Guarantee for Wholly Owned Subsidiary Dear Sir/Ma’am, Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that the Operations and Administration Committee of the Board of Directors of the Company at its meeting held today i.e. on 23rd September, 2026, has accorded its approval to enhance the amount of Corporate Guarantee given/ to be given to Indusind Bank Limited, from Rs. 50.07 Crores to Rs. 100 Crores, for securing the credit facility(ies) availed/ to be availed by Optiemus Electronics Limited, a Wholly Owned Subsidiary of the Company. The requisite details as required under Regulation 30 read with Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and SEBI’s Master Circular No.: HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated 30th January, 2026 are given in enclosed Annexure-A. The meeting of Operations and Administration Committee of the Board of Directors commenced at 02:05 P.M. and concluded at 02:22 P.M. Kindly take the same on your records. Thanking You, Yours truly, For OPTIEMUS INFRACOM LIMITED Vikas Chandra Company Secretary & Compliance Officer Encl.: As above Annexure-A Sr. Particulars Description 1. Name of party for which such guarantees or Optiemus Electronics Limited (“OEL”), Wholly indemnity or surety was given Owned Subsidiary of the Company. 2. Whether the promoter/ promoter group/ The Promoter/ Promoter Group doesn’t have interest group companies have any interest in this in this transaction. transaction? If yes, nature of interest and details thereof and whether the same is The Corporate Guarantee will be provided by the done at “arm’s length” Company on an arm’s length basis. 3. Brief details of such guarantee or indemnity Approval to enhance the amount of Corporate or becoming a surety viz. brief details of Guarantee given/to be given by the Company in agreement entered (if any) including favour of Indusind Bank Limited i.e. from Rs. 50.07 significant terms and conditions, including Crore to Rs. 100 Crores, to secure the total credit amount of guarantee facility(ies) amounting to Rs. 100 Crores availed/ to be availed by OEL. 4. Impact of such guarantees or indemnity or The Corporate Guarantee will be treated as a surety on listed entity contingent liability for the Company.