March 14, 2022

London Stock Exchange

London

Dear Madam, Sirs,

Re: Conversion of partly paid-up equity shares to fully paid-up equity shares

This has reference to our letters dated February 9, 2021, February 23, 2021, March 24, 2021, April 14, 2021, May 15, 2021, June 21, 2021, September 13, 2021, October 30, 2021,
November 23, 2021 and January 21, 2022 in relation to the first and final call on the partly
paid-up equity shares of the Company.

In this connection, the Stakeholders' Relationship Committee ("Committee"), duly authorized by the Board of Directors of the Company, has on March 14, 2022 approved the conversion of 59,026 partly paid-up equity shares of face value ₹10 each (₹2.504 paid-up) into fully paid-up equity shares of face value ₹10 each on which the first and final call money of ₹461/- per share (comprising face value of ₹7.496 per share and securities premium of ₹453.504 per share) has been received. The converted shares will rank pari passu with the existing fully paid-up equity shares and shall be available to trade under the ISIN INE081A01012, subject to completion of necessary corporate actions and receipt of listing and trading approvals.

This disclosure is being made pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended.

This is for your information and records.