Disclosure under Regulation 30 of SEBI(LODR) Regulations, 2015- Incorporation of Integrated Petrochemical Marketing and Trading Joint Venture.

MANGALORE REFINERY AND PETROCHEMICALS LIMITED ,.एस.ओ. 9001, 14001 एवं 50001 प्रमाणित कंपनी AN ISO 9001, 14001 AND 50001 CERTIFIED COMPANY सीआईएन / CIN : L19200KA1988G01008959 , Website : www.mrpl.co.in 08/10/2026 The Assistant General Manager, The Compliance & Listing Department Listing Compliance, BSE Limited National Stock Exchange of India Limited Scrip Code: 500109, Symbol: MRPL, Series: EQ, ISIN: INE103A01014 ISIN: INE103A01014 Scrip Code (Debenture): 959162, 959250, | Debt Security: INE103A08019, INE103A08035, 973692 INE103A08050 Dear Sir/Madam, Subject: Disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 Reg:- Incorporation of ONGC Petrochemicals Marketing Limited (OPML) This is in continuation of our filing dated 27/04/2026, wherein the Company had informed regarding formation of Joint Venture Company (JVC) with shareholding in the ratio of 50:25:25 by ONGC, MRPL and OPaL. It is informed that the JVC has been incorporated in the name of “ONGC Petrochemicals Marketing Limited” (OPML) on 7" October 2026 as a Public Limited Company, which shall undertake the business of integrated marketing and trading of petrochemicals, chemicals and kindred products. Information as per requirements of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with master circular issued by the SEBI, is attached at Annexure -1. This is for your information and record, please. Thank you. Yours faithfully, For Mangalore Refinery and Petrochemicals Limited Premachandra Rao G Company Secretary Encl.: A/a Read. Office: Kuthethoor P.O. Via Katipalla, Manaaluru - 575 030 (India) ANNEXURE -1 Information as per SEBI Master Circular dated 11.11.2024 Item Particulars Details a) Name of the target entity, details in ONGC Petrochemicals Marketing Limited (OPML), a public brief such as size, turnover etc. limited company incorporated on 07 October 2026. OPML has an authorised and subscribed share capital of %50 crore divided into 5 crore equity shares of 210 each. Being newly incorporated company, it has no history of operating turnover etc. b) Whether the acquisition would fall The subscription forms part of the establishment of the joint within related party transaction(s) and venture company by ONGC, MRPL and OPaL. Equity shares whether the promoter/ promoter group/ of the company has been subscribed by ONGC, MRPL and group companies have any interest in OPaL in the ratio of 50:25:25. Equity shares have been the entity being acquired? If yes, nature subscribed at face value and the transaction is on an arm’s- of interest and details thereof and length basis. whether the same is done at “arm’s length”? Industry to which the entity being Petrochemicals marketing and trading. acquired belongs 9) Objects and impact of acquisition To establish a single integrated, market-facing platform for (including but not limited to, disclosure marketing and trading petrochemicals, chemicals and kindred of reasons for acquisition of target products of the ONGC Group, including branding, business entity, if its business is outside the main development, pricing, distribution, logistics, . customer line of business of the listed entity) management, sourcing/trading and sales and operations planning. The incorporation is aligned with Group companies existing downstream and petrochemicals business. e) Brief details of any governmental or Approval of Department of Investment and Public Asset regulatory approvals required for the Management, Ministry of Finance was obtained. acquisition. Certificate of Incorporation was issued by the Registrar of Companies, Ministry of Corporate Affairs. Indicative time period for completion of Certificate of Incorporation was issued on 07 October 2026. the acquisition 8) Consideration - whether cash Cash consideration through subscription to equity shares at consideration or share swap or any face value. other form and details of the same h) Cost of acquisition and/or the price at %12.5 crore, representing subscription money by MRPL and which the shares are acquired its nominee shareholders to acquire 1,25,00,000 equity shares of 710 each. Percentage of shareholding / control 25% of the paid-up equity share capital, comprising acquired and / or number of shares 1,25,00,000 equity shares of 710 each, held by MRPL together acquired with its nominee shareholders. dD Brief background about the entity OPML was incorporated in India on 07 October 2026 as a acquired in terms of products/line of public limited company. It will undertake integrated marketing business acquired, date of and trading of petrochemicals, chemicals and kindred incorporation, history of last 3 years products, along with related branding, business development, turnover, country in which the acquired sourcing, pricing, distribution, logistics, storage, customer entity has presence and any other management and sales and operations planning. As a newly significant information (in brief) incorporated company, it has no turnover history for the preceding three financial years.