Closure of Trading Window

AS 9100D ISO 9001:2015 AVL/SE/2026-27 September 30, 2026 To To The Corporate Relations Department The Listing Department BSE Limited National Stock Exchange of India Limited Floor 25, P J Towers, Dalal Street, Exchange Plaza, Bandra-Kurla Complex, Mumbai – 400 001, India. Bandra (East), Mumbai – 400 051, India. Scrip Code: 532406 Symbol: AVANTEL Dear Sir/Madam, Sub: Intimation for Closure of Trading Window Ref: ISIN: INE005B01027 Pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, and in compliance with BSE Circular No. LIST/COMP/01/2019-20 dated April 2, 2019 and NSE Circular No. NSE/CML/2019/11 dated April 2, 2019, we hereby inform you that the Trading Window for dealing in the securities of Avantel Limited (“the Company”) shall remain closed with effect from October 1, 2026, and shall continue to remain closed until 48 (Forty-Eight) hours after the conclusion of the meeting of the Board of Directors at which the Unaudited Financial Results of the Company for the Quarter and Half Year ending September 30, 2026 are considered and approved. The Trading Window closure shall be applicable to all Designated Persons of the Company and its subsidiary companies, their Immediate Relatives, and other Connected Persons covered under the Company’s Code of Conduct for Prevention of Insider Trading framed pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015. During the aforesaid period, such persons have been advised not to deal in the securities of the Company. The date of the Board Meeting for considering the aforesaid Unaudited Financial Results shall be intimated separately in due course. This is for your information and record. Yours faithfully, For Avantel Limited D Rajasekhara Reddy Company Secretary & Compliance Officer Avantel Limited CIN - L72200AP1990PLC011334 Corporate office: Registered Office & Unit-1 Unit-2 Survey No. 17, Unit No. 201 & 202, 2nd Floor, Plot No.47/P, APIIC Industrial Park, Plot No. S-119 (M), Sy. No. 49, Block - 1, Vasavi’s Shalom Sky City, Gambheeram (V), Anandapuram (M), E-City, Raviryal (V), Maheswaram (M), Gachibowli, Serilingampally (M), Ranga Reddy (D), Visakhapatnam - 531 163, Andhra Pradesh. Ranga Reddy (Dt), Hyderabad - 500032, Telangana. Tel : +91-891-2850000 Hyderabad - 501510, Telangana. Tel : +91-40-6630 5000, Fax : +91-40-6630 5004 Fax : +91-891-2850004 Tel: +91-40-3537 1900 marketing@avantel.in www.avantel.in Fax: +91-40-3537 1904