General Updates

AS 9100D ISO 9001:2015 AVL/SE/2026-27 September 22, 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 regarding dispatch of communication to shareholders whose e-mail addresses are not registered with the Company pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Ref: ISIN: INE005B01027 Pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations"), we wish to inform you that the Company has today dispatched communication letters to those shareholders whose e-mail addresses are not registered with the Company, its Registrar and Share Transfer Agent or the Depository Participants. The said communication, inter alia, provides the web link of the Company's website from where the Notice of Postal Ballot dated September 18, 2026, may be accessed and contains information relating to the Postal Ballot process and registration of e-mail addresses. A copy of the communication sent to such shareholders is enclosed herewith (Specimen Copy) for your information and records. The aforesaid communication is also available on the Company's website at www.avantel.in/investors. This is for your information and record. Thanking you, 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 Open PleaseTear Here Open PleaseTear Here अंतद(cid:337)शीय प(cid:361) काड(cid:330) INLAND LETTER CARD R SATYANARAYAN C/O RAJ KUMAR KHANDELWAL H NO 4-2-815 RAMKOTI AREA HYDERABAD PIN: 0 If undelivered please return to :- KFin Technologies Limited UNIT: AVANTEL LIMITED Selenium Tower B, Plot No. 31 & 32, Gachibowli, Financial District, Nanakramguda, Hyderabad: 500 032 Toll Free No: 1800 309 4001 Email: einward.ris@kfintech.com AVANTEL LIMITED CIN: L72200AP1990PLC011334 Registered Office: Sy No.141, Plot No.47/P, APIIC Industrial Park, Gambheeram (V), Anandapuram (M), Vishakhapatnam – 531163, Andhra Pradesh, India. Corporate Office: Sy No. 17, Unit No.201 & 202, 2nd Floor, Block - 1, Vasavi’s Shalom Sky City, Gachibowli, Serilingampally (M), Ranga Reddy (D), Hyderabad - 500032, Telangana, India. Website: www.avantel.in; E-mail: cs@avantel.in Tel: +91 40 6630 5000; Fax: +91 40 6630 5004 Date: September 22, 2026 Folio No./DP ID & Client ID: ASL950010 Dear Shareholder(s), Sub: Notice of Postal Ballot We wish to inform you that the Board of Directors of Avantel Limited ("the Company") has approved the conduct of a Postal Ballot for seeking the approval of the Members through remote e-voting only, in accordance with the provisions of Sections 108 and 110 of the Companies Act, 2013 read with Rules 20 and 22 of the Companies (Management and Administration) Rules, 2014, the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and the General Circulars issued by the Ministry of Corporate Affairs ("MCA"), including General Circular No. 03/2025 dated September 22, 2025. In compliance with the aforesaid MCA Circulars, the Notice of Postal Ballot is being sent only through electronic mode to those Members whose e-mail addresses are registered with the Company, Registrar and Share Transfer Agent ("RTA"), Depository Participants or Depositories as on Friday, September 18, 2026 ("Cut-off Date"). Upon verification of our records, we note that your e-mail address is not registered against your Demat Account/Folio. Consequently, the Company is unable to send the Postal Ballot Notice to you through electronic mode. Accordingly, this communication is being sent to inform you about the Postal Ballot process and to facilitate registration of your e-mail address. The Notice of Postal Ballot is available on the Company's website at: https://www.avantel.in, Investors → Financial Information → Postal Ballot Notice. The Notice is also available on the websites of BSE Limited: https://www.bseindia.com; National Stock Exchange of India Limited: https://www.nseindia.com; and KFin Technologies Limited: https://evoting.kfintech.com. Details of the Postal Ballot Particulars Details Cut-off Date for determining voting entitlement Friday, September 18, 2026 Commencement of Remote e-Voting Wednesday, September 23, 2026 – 09.00 A.M. (IST) End of Remote e-Voting Thursday, October 22, 2026 – 05:00 P.M. (IST) Members whose names appear in the Register of Members/Register of Beneficial Owners as on the Cut-off Date shall be entitled to cast their votes through the remote e-voting facility only. Members are requested to register/update their e-mail address at the earliest to enable the Company to send all future shareholder communications electronically.  For shares held in Demat form: Kindly contact your respective Depository Participant.  For shares held in Physical form: Kindly submit the prescribed request along with the required supporting documents to the Company's Registrar and Share Transfer Agent. The contact details of the Registrar and Share Transfer Agent are provided below: Name and Address Contact Details KFIN Technologies Limited (Unit: Avantel Limited) E-mail: einward.ris@kfintech.com Selenium Building, Tower-B, Website: https://www.kfintech.com Plot No 31 & 32, Financial District, Phone: +91 22 4617 0911 / +91 40 7961 5565 Nanakramguda, Serilingampally, Fax: 040 – 2300 1153 Hyderabad - 500 032, Rangareddy, Toll Free No: 1800 345 4001 Telangana State, India. Members holding shares in physical form may also register their e-mail address by submitting Form ISR-1 (for updating KYC details) along with the prescribed documents to the Registrar and Share Transfer Agent, if not already updated. Please note that the Company is committed to providing prompt and efficient services to all its shareholders. Yours faithfully, For Avantel Limited Sd/- D Rajasekhara Reddy Company Secretary & Compliance Officer M No. F13605