Disclosure pursuant to Paragraph 9.1(a) of the Chapter VIII of SEBI Master Circular No. SEBI/HO/DDHS/DDHS-PoD/P/CIR/2025/0000000137 dated October 15,2025

Larsen & Toubro Limited Secretarial Department L&T House, Ballard Estate Narottam Morarjee Marg Mumbai - 400 001, INDIA Tel: +91 22 6752 5656 Fax: +91 22 6752 5858 www.Larsentoubro.com Email: igrc@larsentoubro.com CIN : L99999MH1946PLC004768 October 7, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jejeebhoy Towers, Exchange Plaza, 5th Floor Dalal Street, Mumbai - 400 001 Plot No.C/1, G Block,Bandra-Kurla Complex, STOCK CODE: 500510 Bandra (E), Mumbai - 400 051 STOCK CODE: LT Dear Sir/Madam, Sub: Sub: Disclosure pursuant to Paragraph 9.1 (a) of the Chapter VIII of SEBI Master Circular No. SEBI/HO/DDHS/DDHS-PoD/P/CIR/2025/0000000137 dated October 15, 2025 In accordance with the aforesaid Circular issued by SEBI for specifications related to ISIN for debt securities issued under SEBI (Issue and Listing of Non-convertible Securities) Regulations, 2021, please find attached herewith the statement of Debt Securities for the half year ended as on September 30, 2026, in the prescribed format. We request you to take note of the same. Thanking you. Yours faithfully, For Larsen & Toubro Limited Subramanian Narayan Company Secretary & Compliance Officer (M. No. – A16354) Encl. : As above. Cc: National Securities Depository Limited Central Depository Services (India) Limited LARSEN & TOUBRO LIMITED NCD ISIN INFORMATION AS ON SEPTEMBER 30, 2026 Embedded Amount Amount Sr. Issuance Maturity Coupon Payment Name of the Issuer ISIN number option if issued outstanding No. date date rate frequency any (Rs. Crore) (Rs. Crore) 1 Larsen & Toubro Limited INE018A08BE9 28-03-2023 28-04-2028 7.725% Yearly N.A. 2,000 2,000 2 Larsen & Toubro Limited INE018A08BF6 23-04-2020 23-04-2030 8.00% Yearly N.A. 1,800 1,800 3 Larsen & Toubro Limited INE018A08BL4 05-12-2024 05-12-2034 7.19% Yearly N.A. 1,500 1,500 4 Larsen & Toubro Limited INE018A08BM2 22-01-2025 22-01-2035 7.20% Yearly N.A. 4,000 4,000 5 Larsen & Toubro Limited INE018A08BN0 19-06-2025 19-06-2028 6.35% Yearly N.A. 500 500 6 Larsen & Toubro Limited INE018A08BO8 09-09-2026 09-09-2029 7.40% Yearly N.A. 500 500 Total 10,300 10,300