Submission of Audio Recording of Earnings Conference Call for Financial Performance of the Company pursuant to Regulation 30 of SEBI (LODR) Regulations, 2015

To, Date: November 10, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Fort, Bandra- Kurla Complex, Mumbai-400001 Mumbai 400051 Scrip Code: 532408 Symbol: SIGMAADV Sub.: Submission of Audio Recording of Earnings Conference Call for Financial Performance of the Company pursuant to Regulation 30 of SEBI (LODR) Regulations, 2015 Ref: Intimation of Earnings Conference Call submitted to the exchange on 03-11-2026 Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with the applicable SEBI Circulars, we hereby submit that the audio recording of the Earnings Conference Call for Financial Performance of the Company held on 06-11-2026 for the quarter and half year ended 30-09-2026 has been made available on the website of the Company. The link for accessing the aforesaid audio recording is as under: https://sigmaadvsys.com/investors/announcements/AUDIO-2026-11-09-19-43-02.mp3 Thanking you, For Sigma Advanced Systems Limited (Formerly Megasoft Limited) Krishna Chaitanya Sadhu Company Secretary & Compliance Officer