Subex Limited has informed the Exchange about the Earnings Call scheduled to be held on Wednesday, November 12, 2025, at 11:30 A.M. (IST)

November 3, 2025

The Secretary BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Mumbai- 400 001

BSE Scrip Code: 532348

Dear Sir/Madam,

The Secretary National Stock Exchange of India Limited Exchange Plaza, 5th Floor, Plot no. C/l G Block, Bandra-Kurla Complex Bandra (E), Mumbai - 400 051 NSE Symbol: SUBEXLTD

Sub: Earnings Call for the half year ended September 30, 2025

In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we would like to inform that the Management will host an Earnings call to discuss on the financial results Q2 FY26 on Wednesday, November 12, 2025, at 11:30 A.M. (IST). The details of the Earnings call are enclosed herewith.

Kindly take the same on record.

Thanking you,

Yours faithfully, For Subex Limited

Ramu Akkili Company Secretary & Compliance Officer

Encl: as above

Subex Limited to announce Q2 FY26 results on November 11, 2025; Earnings call to be held on November 12, 2025, at 11:30 A.M. (IST)

Subex Ltd. (BSE: 532348), (NSE: SUBEXLTD), a leading telecom analytics solution provider, will announce its Unaudited Standalone & Consolidated Financial Results for the quarter and half year ended September 30, 2025, on Tuesday, November 11, 2025. The earnings call for the results will be held on Wednesday, November 12, 2025, at 11:30 A.M. (IST).

The Details of Earnings Conference Call are:

Date: November 12, 2025 Time (IST): 11:30 A.M – 12:30 P.M. (IST) Dial-in Number: 086 3416 8751 / 086 4536 6777

The number listed above is universally accessible from all networks and all countries.

International Toll-Free Numbers:

Participant PIN Number (only for International Participants): 6154418#

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-Q2FY26

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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