General Updates

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 in continuation of our letter dated 13.04.2026. Please find below disclosure pertaining to event or information as stipulated in Regulation 30 of SEBI (LODR) Regulations, 2015: EXTENSION OF COMPLETION SCHEDULE OF KOCHI- KOOTTANAD- BENGALURU- MANGALURU PIPELINE (KKBMPL) PROJECT a Pipeline KOCHI- KOOTTANAD- BENGALURU- MANGALURU PIPELINE (KKBMPL) PROJECT b Length Authorized/ under 1104 Km / 951 Km execution (Revised Length) c Pipeline Completed 947 Km d Pipeline Commissioned 715 Km e Revised Completion Schedule March, 2027 f Additional Investment required Not Required g Rationale Delay in availability of hindrance free fronts Further, approval for extension in completion schedule of aforesaid project(s) is being taken up with PNGRB. 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