We submit herewith details of cut off date and details of E-voting for AGM to be held on 20-08-2026

Date: 29-07-2026 BSE Limited, The Corporate Relationship Dept., Floor 25, P J Towers, Dalal Street, Mumbai 400 001. Scrip Code: 544440 Subject: Intimation - Cut-off date and period of e-voting for AGM to be held on 20/08/2026 Sir, We give hereunder details for cut-off date and period of e-voting. Sr. No. Particulars Date/Period 1 Cut-off date for entitlement of e-voting Friday, 14th August, 2026 2 Remote E-voting Period From Monday, 17th August, 2026 (9.00 a.m.) to Wednesday, 19th August, 2026 (5.00 p.m.) 3 Date of Annual General Meeting Thursday, 20th August, 2026 For CRYOGENIC OGS LIMITED RASHMI KAMLESH OTAVANI Company Secretary & Compliance Officer Copy to 1. MUFG Intime India Private Limited (Formerly Known as Link Intime India Private Limited), B 102-103, Shangrila complex, First Floor, Near Radhakrishna char Rasta, Akota, Baroda – 390020. 2. Central Depository Services [I] Ltd, 25th Floor, A Wing, Marathon Futurex, Mafatlal Mills Compound, N M Joshi Marg, Lower Parel(E), Mumbai – 400013. 3. National Securities Depository Ltd, 301, 3rd Floor, Naman Chambers, G Block, Plot, No- C-32, Bandra Kurla Complex, Bandra East, Mumbai- 400051. Security Type of Book closure Date Cut-off date Purpose code No Security for entitlement of e-voting 544440 Equity Pursuant to Securities and Friday, 14th Annual General Meeting Share Exchange Board of India (Listing August, 2026 to be held on Thursday, Obligations and Disclosure 20th August, 2026 Requirements) (Third Amendment) Regulations, 2024 w.e.f. 13.12.2024, the company is not required to close its registers of members and share transfer book. Therefore, the Company shall not close its registers of members and share transfer book. For CRYOGENIC OGS LIMITED RASHMI KAMLESH OTAVANI Company Secretary & Compliance Officer