Update on Commencement of Operations at Guntur, Andhra Pradesh.

Rainbow® Children's ~ BirthRighf Hospital ~ - BY RAINBOW HOSPITALS WOMEN CARE I CHILD CARE I FERTILITY September 16, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot No. C/1, G Block, Corporate Relationship Department, Bandra Kurla Complex, Bandra (E), Phiroze Jeejeebhoy Towers, Mumbai – 400 051. Dalal Street, Mumbai – 400001. Symbol: RAINBOW Scrip Code: 543524 Sub: Update on Earlier Intimation regarding establishment of Women’s and Children's hospital at Guntur, Andhra Pradesh – Commencement of Operations Dear Sir/Madam, Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations"), and further to our earlier disclosure dated July 29, 2026, regarding the establishment of women’s and children's hospital at Guntur, Andhra Pradesh, we wish to inform you that the Company has commenced operations of the 50-bed women’s and children’s hospital at Guntur, Andhra Pradesh. The above information will also be available on the website of the Company at https://www.rainbowhospitals.in/investors-relations/stock-exchange-disclosures. This is for your information and record. Thanking You, Yours Faithfully, For Rainbow Children’s Medicare Limited Shreya Mitra Company Secretary and Compliance Officer Rainbow Children's Medicare Limited Registered Office: 8-2-120/103/1, Survey No. 403, Road No. 2, Banjara Hills, Hyderabad- 500034, Telangana CIN :L85110TG 1998PLC029914 Q Corporate Office: 8-2-19/1/A, Daulet Arcade, Road No. 11, Banjara Hills, Hyderabad- 500034, Telangana G info@rainbowhospitals.in \;' 1800 2122 iffil www. rainbowhospitals.in OUR PRESENCE: BENGALURU CHENNAI DELHI GUWAHATI HYDERABAD RAJAHMUNDRY VIJAYAWADA VISAKHAPATNAM WARANGAL