Appointment

September 21, 2026 The Listing Department The Listing Department National Stock Exchange of India Ltd. BSE Limited Exchange Plaza, Bandra-Kurla, Complex Phiroze Jeejeebhoy Towers, Bandra (E), Mumbai-400051 25thFloor, Dalal Street, Mumbai-400001 NSE SYMBOL: NUCLEUS SCRIP CODE: 531209 Dear Sir/Ma’am, SUB: Intimation under Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 and the rules made thereunder, we wish to inform that Mr. Sudhanshu Tripathi is appointed as a “Chief Marketing Officer” of the Company w.e.f. September 21, 2026. The required details pursuant to the provision of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular no. HO/49/14/14(7)2025-CFDPOD2/I/3762/2026 dated January 30, 2026 is annexed herewith as an Annexure-A Kindly take the same on record. Thanking You Yours Sincerely For Nucleus Software Exports Limited (Poonam Bhasin) Company Secretary Encl: as above Registered Office 33-35 Thyagraj Nagar Mkt, New Delhi - 110003 Tel.: +91.11.2462.7552 F.: +91.11.2462.0872 Annexure- A The requisite disclosure in terms of the LODR Regulations, read with the SEBI Circulars, is as mentioned below: Particulars Disclosures R eason for Change Appointment Date of Appointment & Mr. Sudhanshu Tripathi is appointed as a “Chief Marketing Officer” of the Term of appointment Company w.e.f. September 21, 2026 Brief Profile Mr. Sudhanshu Tripathi is a seasoned business leader with over two decades of experience building technology-driven businesses. He has scaled brands across domestic as well as international markets. Most recently, he was Chief Marketing Officer and Head of ESG at Quick Heal Technologies Limited, where he led the brand and growth mandates for both the consumer and enterprise businesses, while owning the digital business P&L. His core strengths include business strategy, GTM, demand generation, category creation, inside sales, global partner-led ecosystems, and ESG. He has also worked extensively on branding, corporate reputation and policy formulation. This work involved deep engagement across the ecosystem, including regulators, governments and critical infrastructure organisations. A published author whose case study has featured in Harvard Business Review, he is an active speaker and has consistently been named among India's top marketing leaders by multiple forums. He holds a B.E. in Electrical Engineering from Nagpur University. He also holds a management degree in Strategy and Marketing from The University of Western Australia. He serves on the Advisory Board of the CMO Council (India), as well as on the ASSOCHAM National Council on Branding & Marketing. Disclosure of Relationship NA between Directors Registered Office 33-35 Thyagraj Nagar Mkt, New Delhi - 110003 Tel.: +91.11.2462.7552 F.: +91.11.2462.0872