This is to inform that GAIL Board in its meeting held today i.e. 30.10.2026 accorded approval for Transfer of Six CGD Geographical Areas of GAIL India Ltd. viz. Varanasi, Patna, Ranchi, East Singhbhum, Cuttack and Khordha to GAIL Gas Ltd. (wholly owned Subsidiary of GAIL) through slump sale by Execution of Business Transfer Agreement on going concern basis, with effective date of transfer as 01.01.2027.

ND/GAIL/SECTT/2026 30.10.2026 Listing Compliance Listing Compliance National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, Plot No. C/1 Floor 1, Phiroze Jeejeebhoy G Block, Bandra-Kurla Complex Towers, Dalal Street Bandra (East) Mumbai – 400051 Mumbai – 400001 Scrip Code: GAIL-EQ Scrip Code: 532155 Sub: Disclosure of event or information under Regulation 30 of SEBI LODR Regulations, 2015 Sir/Madam, This is to inform that GAIL Board in its meeting held today i.e. 30.10.2026 accorded approval for Transfer of Six CGD Geographical Areas of GAIL India Ltd. viz. Varanasi, Patna, Ranchi, East Singhbhum, Cuttack and Khordha to GAIL Gas Ltd. (wholly owned Subsidiary of GAIL) through slump sale by Execution of Business Transfer Agreement on going concern basis, with effective date of transfer as 01.01.2027. It was approved by the Board of Directors of the Company in its meeting held today i.e. 30.10.2026 which commenced at 11.00 a.m. and concluded at 02:25 p.m. This disclosure is in compliance of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Thanking you Yours faithfully (Deepak Asija) Company Secretary Copy to: 1. Deutsche Bank AG, Filiale Mumbai TSS & Global Equity Services The Capital, 14th Floor C-70, G Block, Bandra Kurla Complex Mumbai -400051 2. Beacon Trusteeship Limited 4C and D Siddhivinayak Chambers, Gandhi Nagar, Opposite MIG Cricket club, Bandra East, Mumbai -400051