Certificate under SEBI (Depositories and Participants) Regulations, 2018

SIGMA ADVANCED SYSTEMS LIMITED CIN: L24100TN 1999PLC042730 Survey No 1/1, Plot No 24/A, Hardware Park, Srisailam Road ,.,, ...... Kancha Imarat, Raviryala Village, Maheswaram Mandal Hyderabad, 501510 Telangana, India SIGMA ADVANCED SYSTEMS Tel: +91 40 69652222 Website: www.sigmaadvsys.com, Email: investors@sigmaadvsys.com To, Date: July 14, 2026 BSE Limited National Stock Exchange of India Limited Phiroze JeeJee Bhoy Towers Exchange Plaza Dalal Street, Fort Bandra-Kurla Complex, Bandra(E) Mumbai 400001 Mumbai 400051 Scrip Code: 532408 Symbol: SIGMAADV Sub: Compliance Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, Pursuant to the provisions of Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, we submit herewith the certificate received from our Registrar and Share Transfer Agent for the quarter ended on June 30, 2026. 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 Registered Office No.43/1 (# 129 to# 140), Prestige Palladium, 8th Floor, Greams Road, Nungambakkam, Chennai, 600006, Tamil Nadu, India CAN1EO CAMEO CORPORATE SERVICES LIMITED Ref: CAM/MSL/74(5)/2026 1st July, 2026 SIGMA ADVANCED SYSTEMS LIMITED Survey No 1/1, Plot No 24/A, Hardware Park, Srisailam Road, Kancha lmarat, Raviryala Village, Maheswaram Manda!, Hyderabad - 501510 Telangana, India Dear Sir Subject: Certificate under of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended 30.06.2026 With reference to the above captioned subject, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th June 2026, were confirmed (accepted/rejected} to the depositories by us and that securities comprised In the said certificates have been listed on the stock exchanges where the earlier Issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in register of members as the registered owner within stipulated time limit under captioned regulations. Thanking you Yours faithfully For Cameo Corporate Services Limited Executive (Shares} "Subramanian Building", 1, Club House Road, Chennai -600 002. Ph : 28460390 (5 Lines), 40020700 Online Investor Portal : https://wisdom.cameoindia.com, Website: www.cameoindia.com CIN No. : U67120TN1998PLC041613