Security cover Certificate for quarter and half year ended September 30, 2026.

MANGALORE REFINERY AND PETROCHEMICALS LIMITED आई.एस.ओ. 9001, 14001 एवं 50001 प्रमाणित कंपनी AN ISO 9001, 14001 AND 50001 CERTIFIED COMPANY सीआईएन/ CIN : 19200KA1988G01008959 , Website : www.mrpl.co.in 14/10/2026 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: Security Cover Certificate pursuant to Regulation 54(2)/(3)_of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Pursuant to Regulation 54(2) of SEBI (LODR) Regulations, 2015, the listed entity shall disclose to the Stock Exchange in quarterly, half-yearly, year-to-date and annual financial statements, as applicable, the extent and nature of security created and maintained with respect to its secured listed non- convertible debt securities. Accordingly, we hereby enclose Security Cover Certificate for period ended 30 September 2026 for reference and necessary action. We request you to take the above on record. Thank you. Yours faithfully, For Mangalore Refinery and Petrochemicals Limited Premachandra Rao G Company Secretary Encl.: A/a wo (awe Jexebncal 30)=9e de asv(org ayqacuminnan|g3०E रvane ॥renv ten]Lonezs9~ous हज 20e stigonere| ०१०ona newoe eeSnes 8०1७०wosofsurfsfieys sqeut2orynp seanatnesteखि DD seatamesmfoo HER=380"A execute m Heer] mee |ow५e eame nayRin (०५,३०५sends mio]आर:so nereg-uea|3००५७ sown] UE posto,os{4 Budponsn M9]2119 gralrimeimalwera० peer]genres] SNEXO astrasiymasg_ 0:ary oman] SEO लग9010०...tu]rorss 2MRydswam wef'उच्ण् ETE 940104FH suena)Sunaos 29403)ney sun eed samnonseg |iat PG]ose७gmp 9५epBasres ato]yw०१०३०ep SaULNTaVET PemTvORNSTE BHO)1a 10>)०००8SRA Ramon canal 00) Te