Intimation under Regulation 30(5) of the Securities and Exchange Board of India (Listing Obligation and Disclosure Requirements) Regulations, 2015

June 23, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G Dalal Street, Fort, Bandra Kurla Complex Mumbai - 400 001 Bandra (East), Mumbai - 400 051 BSE Scrip Code: 544311 NSE Symbol: IGIL Subject: Intimation under Regulation 30(5) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (the “Listing Regulations”) Dear Sir/ Madam, Pursuant to the requirement under the Regulation 30(5) of the Listing Regulations, the following Key Managerial Personnel (“KMP”) of the Company are authorized to determine materiality of an event or information and make disclosures to stock exchange(s) with effect from July 1, 2026: Sr. No. Name Designation Contact Details Managing Director and Chief 1. Mr. Tehmasp Printer Executive Officer Address: 702, 7th floor, The Capital, Bandra Kurla Complex, Bandra East, 2. Mr. Eashwar Iyer Chief Financial Officer Mumbai- 400051, India Contact no.: 022-40352550 3. Ms. Nitika Dalmia Company Secretary and Email Id: investor.relations@igi.org Compliance Officer The aforesaid information will be made available on the Company's website at www.igi.org. This is for your information and record. Thanking you, Yours faithfully, For International Gemological Institute Limited Eashwar Iyer Chief Financial Officer