Awarding of order(s)/contract(s)

October 9, 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 another new deal with a leading African mobile operator for the deployment of its HyperSense Fraud Management solutions. The engagement strengthens Subex’s presence in Africa and extends its fraud management capabilities to another operating company within a major global telecommunications group. 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 Ramu Akkili Company Secretary & Compliance Officer Encl: as above Annexure- A SI. Particulars Details 1. Name of the entity awarding the Another new-logo with a leading African order(s)/contract(s); mobile operator 2. Significant terms and conditions of The value of the deal is USD 0.7 million. order(s)/contract(s) awarded in brief; This engagement involves deploying HyperSense Fraud Management solutions to strengthen the operator’s ability to identify emerging fraud patterns, improve investigation effectiveness and enable the operator to respond more rapidly to evolving threats 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 identify emerging fraud patterns, improve investigation effectiveness and enable the operator to respond more rapidly to evolving threats 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 0.7 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 wins new deal with a leading African operator to deploy HyperSense Fraud Management solution Bengaluru, India - October 09, 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 solution. The engagement strengthens Subex’s presence in Africa and extends its fraud management capabilities to another operating company within a major global telecommunications group. The operator selected HyperSense Fraud Management to strengthen fraud detection and investigation across communications and mobile money operations. The solution will help identify emerging fraud patterns, improve investigation effectiveness and enable the operator to respond more rapidly to evolving threats. Commenting on the announcement, Nisha Dutt, MD & CEO, Subex, said: “For operators running both mobile and mobile money services, fraud now crosses between the two. HyperSense brings AI and deep telecom domain intelligence together to help this operator detect those threats earlier and protect its revenues and customers. Extending our partnership to another operating company within the group is a strong endorsement of what HyperSense delivers.” The engagement reflects continued customer confidence in HyperSense Fraud Management. Subex’s extensive experience across African markets brings an understanding of regional operating environments, supporting a deployment aligned with the operator’s specific requirements and long-term fraud management priorities. 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