Analysts/Institutional Investor Meet/Con. Call Updates

July 6, 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: Earnings Call for the quarter ended June 30, 2026 In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Management will host an Earnings call on Thursday, August 06, 2026, at 11:00 A.M. (IST) and the details of the Earnings 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 Q1 FY27 results on August 5, 2026; Earnings call to be held on August 06, 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 ended June 30, 2026, on Wednesday, August 05, 2026. The earnings call for the results will be held on Thursday, August 06, 2026, at 11:00 A.M. (IST). The Details of Earnings Conference call are: Date: August 06, 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): 5104687# 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_Limited_Q1FY27 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