Resignation of Mr. Saurav Singh from the post of Company Secretary and Compliance Officer of the Company w.e.f close of business hours on 23.10.2026

RIGA SUGAR CO LTD (Wholly owned subsidiary of Nirani Sugars Limited) CIN: L15421WB1980PLC032970 Website: www.rigasugar.com October 24, 2026 Listing Department BSE Limited Scrip Code: 507508 Sub: Intimation of Resignation of Company Secretary and Compliance Officer pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, With reference to the captioned subject and in compliance with Regulation 30 read with Para A of Part A of Schedule III of The SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (as amended from time to time), this is to inform you that Mr. Saurav Singh (ICSI Membership No.A63910), Company Secretary & Compliance Officer, and Key Managerial Personnel of the Company has tendered his resignation from the position of Company Secretary and Compliance Officer (Key Managerial Personnel - KMP) of the Company vide a letter dated October 23, 2026, due to personal reasons. The Company accepted his resignation on October 23, 2026, and he was relieved from the services of the Company w.e.f., close of business hours on Friday, October 23, 2026 Further, Mr. Saurav Singh has also confirmed that there is no other material reason other than mentioned in his resignation letter. (Attached resignation letter). The resignation will be placed before the Board of Directors in the upcoming Board Meeting for noting. The disclosure required in terms of Listing Regulations read with SEBI circular No. CIR/CFD/CMD/4/2015 dated September 9,2015, and HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed as "Annexure-1". The resignation letter of Mr. Saurav Singh detailing the reasons for resignation is enclosed herewith as "Annexure-II" as required under Clause 7C of Para A of Part A of Schedule III of the said Listing Regulations. Kindly take the above information on record. Yours faithfully, For Riga Sugar Company Limited Vishal Nirani Managing Director DIN: 08434032 Encl.: As above Registered Office Corporate Office 14 Netaji Subhas Road, 2nd Floor, P S Hare Street, #S-904, 9th Floor, World Trade Centre, Brigade Gateway Kolkata, West Bengal, India, 700001 Tel: 9766057999 Campus, Rajajinagar, Karnataka, India-560055 Email: riga.cgm@niranigroups.com Tel: 080-232 56500|23256500 | Email: ho@niranigroups.com RIGA SUGAR CO LTD (Wholly owned subsidiary of Nirani Sugars Limited) CIN: L15421WB1980PLC032970 Website: www.rigasugar.com Annexure-1 The details as per the SEBI Circular No. HO/49/14/14{7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 are mentioned below: Sr No. Particulars Information Reason for change viz. Resignation of Mr. Saurav Singh from the post of appointment, re-appointment, Company Secretary & Compliance officer and resignation, removal, death or Key Managerial Personnel due to personal otherwise reasons. He confirms that there are no other material reasons for his resignation. 2 Date of appointment/re-appointment/ From the close of business hours on Friday, Cessation/ term of appointment/re-appointment October 23, 2026. 3 Brief profile (in case of Not Applicable appointment/ reappointment) 4 Disclosure of relationships Not Applicable between Directors (in case of appointment/ reappointment of a Director) Registered Office Corporate Office 14 Netaji Subhas Road, 2nd Floor, P S Hare Street, #S-904, 9th Floor, World Trade Centre, Brigade Gateway Kolkata, West Bengal, India, 700001 Tel: 9766057999 Campus, Rajajinagar, Karnataka, India-560055 Email: riga.cgm@niranigroups.com Tel: 080-232 56500|23256500 | Email: ho@niranigroups.com Annxeure-II ThBeo aorfdD irectors RigSau gCaorm paLniym ited SubjReecsti:g nfraotmti hooenffi coefC ompaSneyc reatnaCdro ym pliOaffincceer Dear Sir/Madam, Ih eretbeynm dyer re sigfrnoamtt hioeoffi nc oefC ompaSneyc reatnCador myp liOaffincceoerfR iga SugCaorm paLniym iatswe edl,a lsfr omt hsee rvoiftc heCeso mpawniyte,hff efrcotmt hcel oosfe busihnoeusorsn2s 3 O ctobeorn a 2c0c2o6up,ne tr sorofen aaslo ns. 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