Compliance certificate received from S. K. Infosolutions Pvt. Ltd., Registrar and Share Transfer Agent of the Company for the quarter ended December 31, 2025.

RIGA SUGAR CO LTD Registered office: 14 Netaji Subhas Road, 2nd Floor P S Hare Street, Kolkata, (Wholly owned subsidiary of Nirani Sugars Limited) West Bengal, India, 700001 CIN: L15421WB1980PLC032970 Tel: 9766057999 PO-Riga, Dist-Sitamarhi, Bihar, Pin-843327 Email: riga.cgm@niranigroups.com July 21, 2026 Listing Department BSE Limited, Scrip Code: 507508 Sub.: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 Dear Sir/Ma’am, Pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, please find enclosed herewith the certificate dated January 12, 2026, received from S. K. Infosolutions Pvt. Ltd., Registrar and Share Transfer Agent of the Company, for the quarter ended December 31, 2025. We request you to kindly take the above on record. Thanking you. Yours truly, For Riga Sugar Co. Limited Vishal Nirani Managing Director Encl.: As Above Ref No. SKC/RS/74(5) DDate : 12/01/2026 M/S RIGA SUGAR COMPANY LLIMITED 14 N S ROAD 2ND FLOOR Kolkata PIN-700 001 Unit:M/S RIGA SUGAR COMPANY LIMITED --------------------------------------------- Sub: Certificaate under Regulation 74(5)of the SEBII(Depositories and Participants) Regulations 2018 for the quuarter ended 31st Decemmber ,2025 Ref: NSDL/CIR/II/5/2019 dated 25th January,2019 CDSL/OPS/RRTA/POLCY/2019/14 dated 25th January,22019. SEBI vide its letter ref no MRD/DOP2/DSA2/OW/22019/2498/1 Dated 24th January,2019. This has reference to above-caaptioned regulation, we hereby confirm that the seecurities received from the Depository participantss for dematerialization during the quarter eended 31stDecember , 2025, were confirmed (acceptedd/rejected) to the depositories by us and that seccurities comprised in the said certificates have been listedd on the stock exchanges where the earlier issuedd securities are listed. We hereby also confirm that thee security certificates received for dematerializattion have been mutilated and cancelled after due verificattion by the depository participant and the name of the depositories have been substituted in register of meembers as the registered owner within 15 days. For S.K.Infosolutioons Pvt Ltd ( Dilip Bhattacharyaa ) Digitally signed by Manager DILIP D BHIL AIP TTACHARYA DN: cn=DILIP BHATTACHARYA BHAT c=IN l=KOLKATA o=Personal e=SKDILIP266@GM TACH AIL.COM Reason: I am the author of this ARYA document Location: Date: 2026-07-19 23:10+05:30