Analysts/Institutional Investor Meet/Con. Call Updates

(castrol castrol.co.in 7 October 2026 The BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra East, Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500870 Scrip Symbol: CASTROLIND Dear Sir/Madam, Sub.: Schedule of Post Earnings Call for 3Q FY 2026 Pursuant to Regulation 30 read with Schedule III to the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that the post earnings call with analysts/investors pertaining to the unaudited financial results of the Company for the quarter and nine months ended 30 September 2026, has been scheduled on Monday, 26 October 2026 from 12:30 p.m. IST to 1:15 p.m. IST following the adoption of the said unaudited financial results by the Board of Directors at its meeting scheduled on Saturday, 24 October 2026. The details pertaining to the said call are enclosed herewith. This is for your information and records. Thank You. Yours faithfully, For Castrol India Limited Hemangi Ghag Company Secretary & Compliance Officer Notes: i. Presentation to be made, if any, will be made available on the website of the Company and will be also informed to the Exchanges. ii. The above schedule is subject to change(s) which may happen due to unavoidable circumstances and / or exigencies. iii. No unpublished price sensitive information pertaining to the Company is shared at any of the earnings call / meets with analyst / institutional investors. Encl.: A/a Registered address: Castrol India Limited CIN: L23200MH1979PLC021359 Technopolis Knowledge Park, Mahakali Caves Road, Andheri (East), Mumbai – 400093 Tel: +91 22 7177 7111 / Fax: +91 22 6698 4101 Customer Service Toll Free No: 1800222100 / 18002098100 (castrol castrol.co.in Castrol India Limited 3Q 2026 conference call for the quarter and nine months ended 30 September 2026 to be held on 26th October 2026 from 12.30 to 1.15 pm IST Mumbai: Castrol India Limited will be hosting a conference call for investors and analysts on Monday, 26th October 2026 from 12.30 to 1.15 pm, for the third quarter and nine month ended 30th September 2026. The call will include a brief management discussion on the financial performance followed by an interactive question and answer session. The management team will be represented by: Mr. Saugata Basuray, Managing Director and Ms. Mrinalini Srinivasan, Whole-time Director & Chief Financial Officer, Castrol India Limited Conference Dial-In Numbers Direct Access Link India / Mumbai +91 22 6280 1164 (Primary No.) +91 22 7115 8065 https://services.choruscall.in/DiamondPassRegistr USA 1866 746 2133 ation/register?confirmationNumber=6430256&link UK 0808 101 1573 SecurityString=3806149040 Singapore 800 101 2045 Hong Kong 800 964 448 About Castrol India Limited Castrol India Limited, part of the bp group, is a leading lubricant company with a 115-year presence in India. Known for its innovation and high-performance products, Castrol offers trusted brands like Castrol CRB, Castrol GTX, Castrol Activ, Castrol MAGNATEC, Castrol EDGE, and Castrol POWER1. Serving various sectors including automotive, mining, machinery, and wind energy, Castrol India operates three blending plants and a wide distribution network, reaching over 150,000 retail outlets nationwide. Globally, Castrol has been driving technological advancements for 125 years. For more information, visit www.castrol.co.in. For further information, please contact: Disha Mody, Adfactors PR Mobile: +91 9699060134 Email: disha.shah@adfactorspr.com Statements in this document relating to future status, events, or circumstances, including but not limited to statements about plans and objectives, the progress and results of research and development, potential product characteristics and uses, product sales potential and target dates for product launch are forward-looking statements based on estimates and the anticipated effects of future events on current and developing circumstances Such statements are subject to numerous risks and uncertainties and are not necessarily predictive of future results. Actual results may differ materially from those anticipated in the forward-looking statements. The company assumes no obligation to update forward-looking statements to reflect actual results, changed assumptions or other factors. Confidential