With reference to our letter dated March 29, 2023, we are enclosing herewith a copy of Notice of Postal Ballot seeking approval of the Shareholders. In Compliance with relevant circulars issued by Ministry of Corporate Affairs and the Securities and Exchange Board of India, the Notice of Postal Ballot has been sent to all Shareholders of the Company whose email addresses are registered with the Company/ Depository Participants(s). The Remote E-Voting period commences on Thursday, April 20, 2023 at 9.00 A.M. (IST) and ends on Friday, May 19, 2023 at 5.00 P.M (IST). The results of the Postal Ballot will be declared on or before Tuesday, May 23, 2023 at 5.00 P.M. (IST). The Postal Ballot Notice is also available on the website of the Company at www.subros.com/PostalBallotNotice.html and NSDL at www.evoting.nsdl.com