SIGMA ADVANCED SYSTEMS LIMITED — M&A Activity 2025

Oct 31, 2025

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To, Date: October 31, 2025

BSE Limited Phiroze JeeJee Bhoy Towers Dalal Street, Fort Mumbai 400001 Scrip Code: 532408	National Stock Exchange of India Limited Exchange Plaza Bandra-Kurla Complex, Bandra(E) Mumbai 400051 Symbol:MEGASOFT

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 the October 28, 2025 on this subject

Dear Sir/Madam,

In our above referenced disclosure of 28[th] October 2025, we had informed that the Company’s Wholly Owned Subsidiary, Sigma Advanced Systems UK LTD, has signed a Share Purchase Agreement for Acquisition of 100% Stake (Shareholding) in Nasmyth Group Limited, United Kingdom. Also, as part of the said disclosure we had informed that the indicative time period for completion of the acquisition will be about 4 weeks.

We wish to inform now that the parties have met the Condition Precedents and that the acquisition is completed.

You are requested to kindly take the above information on record.

Thanking you,

Yours faithfully,

For Megasoft Limited

Digitally signed by THAKUR THAKUR VISHAL SINGH VISHAL SINGH Date: 2025.10.31 20:58:13 +05'30'

……………………………….

Thakur Vishal Singh

Company Secretary and Compliance Officer

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