Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015

Docusign Envelope ID: 9317FEFE-7394-8821-81E0-93FFF91B5566 October 14, 2026 The Manager, Listing T he Manager, Listing BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot No. c/1, Dalal Street, G -Block, Bandra-Kurla Complex, Mumbai - 400 001 Mumbai – 400 051 Scrip Code: 526299 Scrip Symbol: MPHASIS Dear Sirs/Madam Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 In continuation of our earlier intimation dated March 26, 2026, regarding the receipt of an Assessment Order passed under Section 143(3) read with Section 144B of the Income-tax Act, 1961, along with a Notice of Demand under Section 156 for Assessment Year 2023-24, we hereby inform that the Assistant Commissioner of Income Tax, Circle 4(1)(1), Bengaluru, has issued a rectification order under Section 154 of the Income-tax Act, 1961 dated October 9, 2026, received by the Company on October 13, 2026. Pursuant to the said rectification order, the demand has been revised from ₹2,286.86 crore to ₹2,417.80 crore on account of interest levied under section 220 of the income tax Act. The Company is evaluating options to avail itself of legal remedies and intends to file appropriate rectification petition on errors noted in the computation. Based on the rectification order, the Company does not expect any material impact on its financial statements. The above information will also be available on the website of the Company at www.mphasis.com. We request you to take the above intimation on record. Yours faithfully, For Mphasis Limited Mayank Verma Senior Vice President and Company Secretary Membership No.: ACS 18776