Awarding of order(s)/contract(s)

August 26, 2026 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: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Para B of Part A of Schedule III of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), we wish to inform that Subex secured a contract with a leading African mobile operator for the deployment of its HyperSense Fraud Management solutions. This engagement will strengthen the operator’s ability to detect and combat emerging fraud across its mobile operations. The details as required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated November 11, 2024 are enclosed as “Annexure A”. Kindly take the same on record. Thanking you, Yours faithfully, For Subex Limited Nisha Dutt Managing Director & CEO Encl: as above Annexure- A SI. Particulars Details 1. Name of the entity awarding the A new-logo engagement with a leading order(s)/contract(s); African mobile operator 2. Significant terms and conditions of The deal is worth USD 0.6 million. order(s)/contract(s) awarded in brief; This engagement involves deploying HyperSense Fraud Management solutions to strengthen the operator’s ability to detect and combat emerging fraud across its mobile operations. 3. Whether order(s) / contract(s) have International Entity been awarded by domestic/ international entity; 4. Nature of order(s) / contract(s); This engagement involves deploying HyperSense Fraud Management solutions to strengthen the operator’s ability to detect and combat emerging fraud across its mobile operations. 5. Time period by which the The contract spans a period of 3 years. order(s)/contract(s) is to be executed 6. Broad consideration or size of the USD 0.6 million order(s)/contract(s); 7. Whether the promoter/ promoter No group / group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof 8. Whether the order(s)/contract(s) No would fall within related party transactions? If yes, whether the same is done at “arm’s length Subex Secures Three-Year HyperSense Fraud Management Deal with Leading African Mobile Operator Bengaluru, India- August 26, 2026: Subex, a global leader in AI-powered telecom solutions, today announced a three-year engagement with a leading African mobile operator for the deployment of Subex HyperSense Fraud Management. The operator is part of a major global telecommunications group, with a significant mobile money business. The engagement will strengthen the operator’s ability to detect and combat emerging fraud across mobile networks and mobile money operations, leveraging Subex’s HyperSense Fraud Management solution to identify evolving fraud patterns and enable faster, more effective investigations. The operator selected Subex for its deep telecom domain expertise, proven experience across African markets and AI-powered fraud management capabilities. Commenting on the announcement, Nisha Dutt, MD & CEO, Subex, said: “Fraud in mobile money doesn’t look like fraud in voice or data, it moves faster and can hide within legitimate- looking transactions. Addressing it requires more than anomaly detection, it requires an understanding of the telecom and mobile money context in which those transactions occur. That combination of domain intelligence and AI is what HyperSense is built for, and it’s why we’re a strong fit for this engagement” The engagement expands Subex’s fraud management footprint across Africa and strengthens its position at the intersection of telecom and mobile financial services. It also reflects the growing relevance of integrated, AI-powered fraud management as operators address risks spanning traditional mobile networks and rapidly expanding mobile money ecosystems. About Subex Subex is a telecom AI solutions company enabling Communications Service Providers (CSPs) across the globe to deliver connected experiences to their customers. With over 30 years of expertise in business optimization and analytics, Subex helps CSPs maximize revenue, reduce leakage, and strengthen operational efficiency. With a winning aspiration of empowering every digital journey to be Fearless, Seamless, and Fraud-Free, Subex enables operators to manage risk, ensure frictionless operations through AI-powered automation, and safeguard trust across every interaction. Its portfolio spans Business Assurance, Fraud Management, and Partner Ecosystem Management, helping CSPs reduce revenue leakage, combat emerging fraud, and optimize partner settlements in an AI-native environment. For any media queries, please contact: Mahima Mishra Brand Communication Specialist | mahima.mishra@subex.com | www.subex.com