Sigma Advanced Systems Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 06/11/2026 ,inter alia, to consider and approve Prior intimation of Board Meeting to consider and approve the unaudited standalone and consolidated financial results of the Company for the quarter and half-year ended September 30, 2026 and to consider and approve the proposal for raising of funds, in one or more tranches, as per the provisions of SEBI (LODR) Regulations 2015.

To, Date: November 03, 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: Prior Intimation of Board Meeting pursuant to Regulation 29(1) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (“SEBI Listing Regulations”) Dear Sir/Madam, Pursuant to Regulations 29(1)(a), 29(1)(d) and 29(2) of the SEBI Listing Regulations, intimation is hereby given that a meeting of Board of Directors of the Company is scheduled to be held on Friday, November 6, 2026, inter-alia, to: (i) consider and approve the unaudited standalone and consolidated financial results of the Company for the quarter and half-year ended September 30, 2026; and (ii) consider and approve the proposal for raising of funds, in one or more tranches, for such amount as may be determined by the Board, by way of issuance of equity shares and/or any other eligible securities through a further public offer, preferential allotment, rights issue, private placement, qualified institutions placement, or any other permissible method or combination thereof, in accordance with the applicable laws, to such investors that may be permitted to participate in such issuance of securities, as deemed appropriate, subject to the approval of the shareholders of the Company and on receipt of other regulatory approvals as may be required. Further, we wish to inform you that, pursuant to the Code of Conduct to regulate, monitor and report trading by insiders of the Company and the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, as amended, the Trading Window for dealing in the shares of the Company is already closed will remain closed till the expiry of forty-eight (48) hours, after the public disclosure of the outcome of the aforesaid Board Meeting. We request you to take the above information on record and the same be treated as compliance under the Regulation 29(1) and Regulation 30 of the SEBI Listing Regulations. The above information will also be available on the website of the Company at https://sigmaadvsys.com/investors-services/announcements/, in compliance with applicable law. Thanking you, For Sigma Advanced Systems Limited (Formerly Megasoft Limited) Krishna Chaitanya Sadhu Company Secretary & Compliance Officer