Record Date for Dividend, Book Closure of Register of Members of the Company and E-voting Period.

THE SOUTHERN GAS LIMITED Regd. Office· Meera Classic, Phase II, Gogol, Borda, Post Fatorda, Margao, Goa - 403 602 Tel.: (0832)2724863, 2724864, 2724865 Email: sglgoa@southerngasindia.com (iSTIN: 30AAACT6201H1ZZ Website: www.southerngasindia.com Since 1963 PAN: AAACT6201H CIN: L24111GA1963PLC000562 Date: 4" September, 2026 The Department of Corporate Services, BSE Limited P. J. Towers, Dalal Street, Mumbai- 400 001. Scrip Code: 509910 (ZSOUTGAS) Subject: _Regulation 30of the _SEBI _(Listing Obligations and _Disclosure _Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30, 42 and other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you as under: 1. The Record date for the purpose of payment of dividend has been fixed as Monday, 21 September, 2026. 2. The dates for book closure of Registrar of Members of the Company have been fixed from Tuesday, 22" September, 2026 to Monday, 28" September, 2026 (both days inclusive) for purpose of 62" Annual General Meeting. 3. The remote e-voting period shall commence on Friday, 25 September, 2026 at 9:00 A.M. (IST) and shall end on Sunday 27" September, 2026 at 5:00 P.M. (1ST). During this period, the shareholders of the Company holding shares either in physical form or in dematerialised form, as on the cut-off date i.e., Monday, 21 September, 2026 shall be entitled to cast their votes through remote e-voting. You are requested to kindly take the above on record. Thanking you, For The Southern Gas Limited Roshan Varshney Company Secretary & Compliance Officer Production Units: • Bengaluru 7338667282/83 • Bhadravati (08282) 270561, 270397 • Harihar (08192) 241656 • Hubballi - (0836) 2970855 • Mysuru - (0821) 2403680, 2974364 • Kozhikode - (0495) 2482311 • Kochi - (0484) 2546895 • Thiruvananthapuram - (0471) 2705511, 2704161 • Tiruchirappalli - (0431) 2731124, 2731125 AN ISO CERTIFIED