Corrigendum

Date: August 26, 2026 To, To, Listing Department Listing Department BSE Limited National Stock Exchange of India Ltd Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Plot No. C-1, Block G, Dalal Street, Mumbai-400001 Bandra Kurla Complex, Bandra (E), Mumbai-400051 BSE Scrip: 530475 NSE Symbol: TINNARUBR ISIN: INE015C01016 SUBJECT: CORRIGENDUM TO BUSINESS RESPONSIBILITY AND SUSTAINABILITY REPORT Dear Sir/ Madam, This has reference to our letter dated August 24, 2026, wherein Tinna Rubber And Infrastructure Limited (“the Company”) had submitted its Annual Report and Business Responsibility and Sustainability Report (“BRSR”) for the financial year 2025-26. In this regard, we hereby inform your good offices that certain inadvertent clerical errors were noticed in the BRSR of the Company for the financial year 2025-26, after the same was sent to members/shareholders. The Company rectified such inadvertent clerical errors and consequently revised BRSR was submitted to your good offices August 25, 2026. In furtherance to same, we submit herewith the details of relevant correction made in the BRSR due to aforesaid inadvertent clerical errors through this corrigendum as “Annexure-A”. There are no other changes in the BRSR filed with the Stock Exchanges. We further wish to inform that the said corrections have no impact on the financial statements of Company for the year ended March 31, 2026. Pursuant to Regulation 30 and 34 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we kindly request your good offices to consider this submission for necessary compliance. The Annual Report and BRSR as updated is disseminated on the Company's website at:- (i) Annual Report - https://tinna.in/wp-content/uploads/2026/08/Annual-Report-F.Y.-2025-26-1.pdf (ii) BRSR - https://tinna.in/wp-content/uploads/2026/08/BRSR-FY-2025-26.pdf You are requested to take the same on your records Thanking you For TINNA RUBBER AND INFRASTRUCTURE LIMITED Sanjay Kumar Rawat Company Secretary ICSI M. No. : ACS23729 Enclosure: as above “Annexure – A” Sr. Particulars/ Page Previous extract Revised extract No. Reference Numbered. 1 General 69 24. Whether CSR is applicable as per 24. Whether CSR is applicable as per Disclosure: section 135 of Companies Act, section 135 of Companies Act, 2013 VI. CSR 2013 (Yes/No): Yes (Yes/No): Yes Details in (i) Turnover (in Rs.): 504.99 (i) Turnover (in Rs.) : 5049933000 Para No. 24 (ii) Net worth (in Rs.): 172.06 (ii) Net worth (in Rs.) : 1720695000 (iii) Profit Before Tax (in Rs.): 56.73 (iii) Profit Before Tax (in Rs.): 567342000 2 Principal 1: 76 8. Number of days of accounts payables 8. Number of days of accounts payables Para No. 8 ((Accounts payable * 365) / Cost of ((Accounts payable * 365) / Cost of goods/services procured) in the following goods/services procured) in the following format format FY FY FY FY 2025-26 2024-25 2025-26 2024-25 Current Previous Current Previous Financial Financial Financial Financial Year Year Year Year Number of 5.51 7.82 Number 78 55 days of of days of accounts accounts payables payables 3 Principal 5: 87 b. Gross wages paid to females as % of b. Gross wages paid to females as % of total Para No. 3 (b) total wages paid by the entity, in the wages paid by the entity, in the following following format: format: FY FY FY FY 2025-26 2024-25 2025-26 2024-25 Current Previous Current Previous Financial Financial Financial Financial Year Year Year Year Gross 0.01 0.01 Gross 0.12 0.13 wages paid wages to females paid to as % of females as total % of total wages wages