Compliance certificate received from S. K. Infosolutions Pvt. Ltd., Registrar and Share Transfer Agent of the Company for the quarter ended June 30, 2026.

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 July 18, 2026, received from S. K. Infosolutions Pvt. Ltd., Registrar and Share Transfer Agent of the Company, for the quarter ended June 30, 2026. 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) Daate : 18/07/2026 M/S RIGA SUGAR COMPANY LIMITED 14 N S ROAD 2ND FLOOR Kolkata PIN-700 001 Unit:M/S RRIGA SUGAR COMPANY LIMITED --------------------------------------------- Sub: Certificate under Regulation 74(5)of the SEBI((Depositories and Particcipants) Regulations 2018 for the quaarter ended 30TH June ,2026 Ref: NSDL/CIR/II/5/2019 dated 25th January,2019 CDSL/OPS/RTTA/POLCY/2019/14 dated 25th January,20019. SEBI vide its letter ref no MRD/DOP2/DSA2/OW/20019/2498/1 Dated 24th JJanuary,2019. This has reference to above-capptioned regulation, we hereby confirm that the seccurities received from the Depository participants for dematerialization during the quarter ennded 30thJune , 2026, were confirmed (accepted/rejecteed) to the depositories by us and that securitiees comprised in the said certificates have been listed on thee stock exchanges where the earlier issued securities are listed. We hereby also confirm that the ssecuritycertificates received for dematerializationn have been mutilated and cancelled after due verification byy the depository participant and the name of the depositories have been substituted in register of memberss as the registered owner within 15 days. For S.K.Infosolutionns Pvt Ltd ( Dilip Bhattacharya ) Digitally signed by Manager DILIP DILIP BHATTACHARYA DN: cn=DILIP BHATT BHATTACHARYA c=IN l=KOLKATA o=Personal e=SKDILIP266@GMAIL ACHA .COM Reason: I am the author of this document RYA Location: Date: 2026-07-19 22:52+05:30