Shareholders meeting

To, Date: June 19, 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: Corrigendum to the Notice of the Extra-Ordinary General Meeting (EGM) to be held on Sunday, the 28th Day of June, 2026 at 11:00 A.M. (IST) through Video Conferencing/ Other Audio- Visual Means ('VC/OAVM') dated June 6, 2026. Ref: Intimation under Regulation 30 of the SEBI (LODR) Regulations, 2015 (“SEBI (LODR) Regulations”) Dear Sir /Madam, This is with reference to our earlier communication dated June 6, 2026 regarding the Notice of the Extra- Ordinary General Meeting (EGM). As per the suggestions of the BSE Limited and National Stock Exchange of India Limited (Stock Exchanges) a Corrigendum is being issued to inform Members of the Company regarding additions / modifications / alterations to the Notice of the EGM to be held on Sunday, the 28th Day of June, 2026 at 11:00 A.M. (IST) through Video Conferencing/ Other Audio-Visual Means ('VC/OAVM') Except as referred above and detailed in the Corrigendum, all other contents of Notice of the EGM shall remain unchanged. Accordingly, Corrigendum dated June 19, 2026 to Notice of the EGM is enclosed for your information. This Corrigendum shall form an integral part of Notice of the EGM sent to Members of the Company on June 6, 2026. The said Notice is also available on the website of the Company at https://sigmaadvsys.com/investors- services/announcements/ 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 CORRIGENDUM TO THE NOTICE OF THE EXTRAORDINARY GENERAL MEETING Corrigendum to the notice of the Extraordinary General Meeting (“EGM”) of the Company to be held on Sunday, June 28, 2026 at 11:00 a.m. through Video Conferencing (“VC”) / Other Audio- Visual Means (“OAVM”). Sigma Advanced Systems Limited (“Company”) had issued a notice dated June 5, 2026 (“Notice”) for convening an EGM, scheduled to be held on Sunday, June 28, 2026 at 11:00 a.m. IST through VC / OAVM in accordance with the relevant circulars issued by the Ministry of Corporate Affairs (“MCA”) and Securities and Exchange Board of India (“SEBI”). The Notice of the EGM (“EGM Notice”) was sent through email to the members whose email id is registered with the Company/Company’s Registrar and Transfer Agent on June 6, 2026, in due compliance with the provisions of the Companies Act, 2013, and rules made thereunder, read with circulars issued by Ministry of Corporate Affairs and Securities Exchange Board of India. Pursuant to the requirements of Regulation 28(1) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, the Company had filed applications for obtaining the in-principle approval of BSE Limited (“BSE”) and the National Stock Exchange of India Limited (“NSE” and together with BSE, the “Stock Exchanges”) for the proposed preferential issue of equity shares as detailed in Item No. 1 and 2 of the Notice together with the explanatory statement annexed thereto. The Stock Exchanges vide their communications dated June 10 and June 11, 2026 have suggested the Company to provide certain clarifications and additional information with respect to the proposed preferential issue as detailed in Item No. 1 and 2 of the Notice, by way of a corrigendum to the Notice. Accordingly, in continuation to the Notice together with the explanatory statement annexed thereto this corrigendum (“Corrigendum”) is being issued and same shall be deemed to be an integral part of and should be read in conjunction with the Notice with reference to Item No. 1 and 2 of the Notice together with the explanatory statement annexed thereto. Capitalized words and expressions used but not defined herein shall have the same meaning as assigned to them in the EGM Notice. Pursuant to the Corrigendum, Members are hereby informed and requested to note the following changes in the Resolution No. 2 and explanatory statement to Item No. 1 and 2 as set out in the Notice: ITEM NO. 1: TO CONSIDER AND APPROVE ISSUE OF EQUITY SHARES ON PREFERENTIAL BASIS FOR CONSIDERATION IN CASH 1. Objects of the issue, In the EGM Notice under the Explanatory Statement in page .no: 17, point 1, the following shall be substituted and read in the manner set out below: b) General corporate purposes: The Company shall utilise upto 25% (Twenty Five percent) of the issue proceeds from the Preferential Issue i.e., an amount of about INR 115 Crore (Indian Rupees One hundred Fifteen crores only) for general corporate purposes, which includes, inter alia, for meeting ongoing general corporate exigencies and contingencies, expenses of the Company as applicable in such a manner and proportion as may be decided by the Board from time to time and/or any other general purposes as may be permissible under applicable laws ("GCP"). In terms of NSE notice no. NSE/CML/2022/56 and BSE notice no. 20221213-47, dated December 13, 2022, the amount specified for the above-mentioned object of issue size may deviate +/- 10% depending upon future circumstances, as the objects are based on the management estimates and other commercial and technical factors. Accordingly, the same is dependent on a variety of factors such as financial, market and sectoral conditions, business performance and strategy and other external factors, which may not be within the control of the Company and may result in modifications to the proposed schedule for utilization of the Proceeds at the discretion of the Board, subject to compliance with applicable laws. If the issue proceeds are not utilised (in full or in part) for the Objects during the period stated herein due to any such factors, the remaining issue proceeds shall be utilised in subsequent periods in such manner as may be determined by the Board, in accordance with applicable laws 2. UBO of Syncorp Ventures LLP – In the explanatory statement to Item 1, page .no: 27 under table under point 12, following shall be substituted and read in the manner set out below: Identity of the natural persons who are ultimate beneficial owners of the shares proposed to be allotted and/ or who ultimately control the proposed allottee Sr. No Details of the Proposed Category/Class of Ultimate Beneficial Allottee Proposed Allottee Owner of the Proposed Allottee 24 Syncorp Ventures LLP Non- Promoter Vikram Shah, Ami Shah, Naishadh Shah Ruchira Shah 3. Current and Proposed Status of the Allottees, After the table in Point 16, page.no: 30 of the explanatory statement for Item 1 of the notice, the following sentence is inserted: “All the proposed allottees are Non-promoter category and shall remain under Non-promoter category after the allotment.” S.No Name of Proposed Category Allottees 1. Bank of India Flexi Cap Fund Non- Promoter - Mutual Fund 2. Bank of India Small Cap Fund Non- Promoter - Mutual Fund 3. Bank of India Mid Cap Tax Fund Series 1 Non- Promoter - Mutual Fund 4. Bank of India Mid Cap Tax Fund Series 2 Non- Promoter - Mutual Fund 5. Taurus Flexi Cap Fund Non- Promoter - Mutual Fund 6. Taurus Mid Cap Fund Non- Promoter - Mutual Fund 7. Taurus ELSS Tax Saver Fund Non- Promoter - Mutual Fund 8. Taurus Large Cap Fund Non- Promoter - Mutual Fund 9. Akshat Greentech Private Limited Non- Promoter 10. Bhaskara Rao Bollineni Non- Promoter 11. Amritha Vellodi Non- Promoter 12. Kuldip Singh Rathee Non- Promoter 13. Mehul Lavjibhai Mehta Non- Promoter 14. Rudira Aqua Limited Non- Promoter 15. Citron Realty LLP Non- Promoter 16. A.P.T.Research Private Limited Non- Promoter 17. VLS Generics And Biosimilars Private Limited Non- Promoter 18. Mantena Venkata Rama Raju Non- Promoter 19. Rama Raju Gokaraju Non- Promoter 20. Gokaraju Venkata Kanaka Ranga [Showing first 8,000 characters — download PDF for full document]