Subex Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 03/11/2026 ,inter alia, to consider and approve the financial results for the period ended September 30, 2026

October 14, 2026 The Secretary The Secretary BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, 5th Floor, Plot no. C/l Dalal Street, G Block, Bandra-Kurla Complex Mumbai- 400 001 Bandra (E), Mumbai - 400 051 BSE Scrip Code: 532348 NSE Symbol: SUBEXLTD Dear Sir/Madam, Sub: Subex Limited “The Company”- Board Meeting on November 03, 2026 Notice pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, be and is hereby given that a meeting of the Board of Directors of the Company will be held on Tuesday, November 03, 2026, inter-alia to consider and approve the Unaudited financial results (Standalone & Consolidated) for the quarter and half year ended September 30, 2026. Trading Window Closure For consideration of the financial results, the trading window of the Company has been closed from October 01, 2026, till the expiry of 48 hours after declaration of Unaudited financial results (Standalone & Consolidated) for the quarter and half year ended September 30, 2026. Conference / Earnings Call The Company will host a Conference / Earnings call on Wednesday, November 04, 2026, at 11:00 A.M. (IST) to discuss the Company’s performance for the quarter and half year ended September 30, 2026. The details of the call are enclosed herewith. We request you to take the aforesaid information on record. Thanking you, Yours faithfully, For Subex Limited Ramu Akkili Company Secretary & Compliance Officer Encl: as above Subex Limited to announce Q2 FY27 results on November 3, 2026; Earnings call to be held on November 4, 2026, at 11:00 A.M. (IST) Subex Ltd. (BSE: 532348), (NSE: SUBEXLTD), a leading telecom analytics solution provider, will announce its Unaudited Financial Results (Standalone & Consolidated) for the quarter and half year ended September 30, 2026, on Tuesday, November 03, 2026. The earnings call for the results will be held on Wednesday, November 04, 2026, at 11:00 A.M. (IST). The Details of Earnings Conference call are: Date: November 04, 2026 Time (IST): 11:00 A.M – 12:00 P.M. (IST) Dial-in Number: 086 3416 9104 / 086 4536 7339 The number listed above is universally accessible from all networks and all countries. International Toll-Free Numbers: Participant PIN Number (only for International Participants): 9039539# USA – 1877 387 0849 / 1800 974 0768 UK – 0800 016 3439 / 0808 101 7155 / 00 800 0044 0033 Singapore – 800 101 1941 / 001 800 0044 0033 Hong Kong – 800 903 171 / 001 800 0044 0033 Diamond Pass: Please click here to register: Subex_Q2FY27 After registering, you will receive a confirmation email containing information about joining the call Management Representation from Subex Limited Ms. Nisha Dutt, Managing Director & CEO Mr. Harsha Angeri, VP- Corporate Strategy Mr. Sumit Kumar, Chief Financial Officer Participants are requested to log in 05 minutes prior to the start of the scheduled call. About Subex Subex is telecom AI company enabling connected experiences for CSPs across the globe. Founded in 1994, Subex helps its customers maximize their revenues and profitability. With a legacy of having served the market through world-class solutions for business optimization and analytics, Subex is now leading the way by enabling the creation of connected experiences in the telecom industry. Through its HyperSense and FraudZap line of offerings Subex empowers communications service providers in areas such as Business Assurance and Fraud Management to help reduce risk, combat fraud, and thereby ensure profitability. Subex has more than 300 installations across 90+ countries. In case of any queries, please reach out to Ramu Akkili Subex Limited ramu.akkili@subex.com Ph: +91 80 3745 1377