SIGMA ADVANCED SYSTEMS LIMITED — Share Issue/Capital Change 2026

Jun 1, 2026

SIGMA ADVANCED SYSTEMS

SIGMA ADVANCED SYSTEMS LIMITED

CIN: L24100TN1999PLC042730

Survey No 1/1, Plot No 24/A, Hardware Park, Srisailam Road

Kancha Imarat, Raviryala Village, Maheswaram Mandal

Hyderabad, 501510 Telangana, India

Tel: +91 40 69652222

Website: www.sigmaadvsys.com, Email: investors@sigmaadvsys.com

Date: June 1, 2026

To,

BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai-400001 Scrip Code: 532408	National Stock Exchange of India Limited Exchange Plaza, Bandra- Kurla Complex, Mumbai 400051 Symbol: SIGMAADV

Dear Sir/Madam,

Sub.: Intimation under Regulation 29 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time (“SEBI Listing Regulations”)

We wish to inform you that a meeting of Board of Directors of the Company is scheduled to be held on June 4, 2026 to consider inter alia:

1. the issue of Equity Shares on a Preferential basis under Securities and Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2018, as amended from time to time including determination of issue price as may be permitted under applicable laws, subject to such regulatory/ statutory approvals as may be required including approval of shareholders of the Company
2. convening of an Extra-Ordinary General Meeting to seek approval of the shareholders in respect of the aforesaid issue of Equity Shares on a Preferential basis, as required.

Pursuant to the Code of Conduct framed and adopted in accordance with the SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in securities by the Designated Persons of the Company shall remain closed with immediate effect till expiry of 48 hours after the conclusion of the Board Meeting.

We request you to take the same on record.

Thanking you,

For Sigma Advanced Systems Limited
(Formerly Megasoft Limited)

Sadhu
Digitally signed by
Krishna
Sadhu Krishna
Chaitanya
Chaitanya
Date: 2026.06.01
16:59:26 +05'30'

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