Disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 - Ref: Our disclosure dated July 14, 2026

Date: July 22, 2026 BSE Limited National Stock Exchange of India Phiroze JeeJee Bhoy Towers Limited Dalal Street, Fort Exchange Plaza Mumbai 400001 Bandra-Kurla Complex, Bandra(E) Scrip Code: 532408 Mumbai 400051 Symbol: SIGMAADV Sub.: Disclosure pursuant to Regulation 30 of Securities and Exchanges Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Ref: (1) Regulation 30 read with Part A, Para A of Schedule III of SEBI (LODR) Regulations, 2015 (2) Our earlier disclosure dated July 14th, 2026 on this subject Dear Sir/Madam, Further to our above referenced disclosure of July 14, 2026, wherein it was informed that the Company has signed a Share Purchase Agreement for Acquisition of 100% Stake (Shareholding) in Bromford Precision Solutions Limited in the United Kingdom. Also, as part of the said disclosure we had informed that the indicative time period for completion of the acquisition will be within 6 weeks. We wish to inform now that with the Condition Precedents being met, the Company has acquired the 100% stake (Shareholding) in Bromford Precision Solutions Limited in the United Kingdom. You are requested to kindly take the above information on record. Thanking you, Yours faithfully, For Sigma Advanced Systems Limited (Formerly Megasoft Limited) Krishna Chaitanya Sadhu Company Secretary & Compliance Officer