Contract Work of an total amount Rs. 701.80 Millions.

Brahmaputra Infrastructure Ltd. Registered Office: Brahmaputra House, A-7, Mahipalpur (NH 8-Mahipalpur Crossing), New Delhi-110037 Phones: 91-11-42290200 (50 Lines) Fax: 91-11-41687880, 26787068 E-mail: delhi@brahmaputragroup.com web: www.brahmaputragroup.com CIN:L55204DL1998PLC095933 Date : 24.08.2026 The General Manager, Department of Corporate Services, BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001. Sub: Agreement Signing Intimation – Performance Based Maintenance Contract on NH-502A, Mizoram Ref: Regulation 30 read with Schedule III, Part A of SEBI (LODR) Regulations, 2015 Dear Sir / Madam, We write to inform you that Brahmaputra Infrastructure Limited (hereinafter referred to as 'the Company') has formally executed and signed the agreement for the following contract as awarded by the Ministry of Road Transport & Highways (MoRT&H), Government of India, executed through the Chief Engineer, PWD (Highway), Aizawl, Mizoram. This intimation is being made in compliance with Regulation 30 read with Schedule III, Part A, Clause 16 (New Orders / Contracts) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Contract Details Parameter Details Awarding Authority Ministry of Road Transport & Highways (MoRT&H), Govt. of India through Chief Engineer, PWD Highway, Aizawl – 796001, Mizoram Name of Contract Performance Based Maintenance Contract (PBMC) on NH-502A from Km 0.000 to Km 87.180 Job Number PBMC/502A/MZ/2025-26/130 State Mizoram Scope of Work Operation & Maintenance of NH-502A corridor including monsoon maintenance Contract Length 87.180 km (Km 0.000 to Km 87.180) Contract Tenure 60 months (5 years) L1 Quoted Value ₹701.8 Million Division Multi Modal Project Division Status Agreement Signed Strategic Significance of the Contract The NH-502A corridor runs through southern Mizoram, connecting the Myanmar border with Lawngtlai — one of the most remote and strategically significant stretches in India's Northeast. Execution of this contract requires establishing local infrastructure including plant, machinery, manpower, camps and logistics in difficult terrain. This operational presence is expected to provide the Company with a durable competitive advantage and position it favourably for future infrastructure works being undertaken in the India–Myanmar border belt by the Border Roads Organisation (BRO), MoRT&H, PWD and other road agencies. Financial & Strategic Impact The execution and formalization of this agreement marks a significant milestone for the Company. With a contract value of ₹701.8 Million (approximately USD 84.45 Million), this five-year engagement is expected to contribute meaningfully to the Company's revenue streams and operational footprint in the Northeast region. Company expected an 15 to 20 % EBIDTA margin from that particular project. The secured contract demonstrates the Company's competitive strength and technical capability in executing complex highway maintenance operations in challenging frontier environments. Regulatory Compliance This intimation is being made in compliance with Regulation 30 read with Schedule III, Part A, Clause 16 (New Orders / Contracts) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Kindly take the above on record. Thanking you, Yours faithfully, For Brahmaputra Infrastructure Limited Raktim Acharjee Whole Time Director DIN: 06722166 Annexure - 1 Disclosures required under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read along with SEBI Circular CIR/CFD/CMD/4/2015 dated 9th September, 2015 Agreement Signing – New Orders / Contracts Sr. Particulars Company Remarks 1 Name of the entity Ministry of Road Transport & Highways awarding the (MoRT&H), Govt. of India through Chief order(s)/contract(s) Engineer, PWD Highway, Aizawl – 796001, Mizoram 2 Significant terms and Performance Based Maintenance Contract conditions (PBMC) on NH-502A from Km 0.000 to Km 87.180. Five-year operation and maintenance contract including monsoon maintenance. 3 Whether awarded by Domestic Entity (Government Body) domestic/international entity 4 Nature of Engineering, Procurement and Construction order(s)/contract(s) (EPC) mode 5 Whether domestic or Domestic international 6 Time period for 60 Months (5 Years) execution 7 Broad ₹701.8 Million consideration/size 8 Promoter/group Not applicable company interest 9 Related party Not applicable transaction