Certificate under SEBI (Depositories and Participants) Regulations, 2018

SDHIL/SE/38/2026-27 10th July, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Plot No. C/1, Dalal Street, Fort, G Block, Bandra Kurla Complex, Mumbai – 400001 Bandra (E), Mumbai – 400051 BSE Scrip Code : 533107 NSE Symbol : SWANDEF Dear Sir/Madam, Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th June, 2026. With reference to the above captioned subject, please find enclosed copy of the certificates received from KFin Technologies Limited, Registrar and Share Transfer Agent of the Company, for the quarter ended 30th June, 2026. We request you to kindly take the same on record. Yours faithfully, For Swan Defence and Heavy Industries Limited [formerly known as Reliance Naval and Engineering Limited] Priti P. Dave Company Secretary & Compliance Officer ACS:- 19469 Enclosed as above SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED (Formerly known as Reliance Naval and Engineering Limited) Registered Office: Pipavav Port, Post Ucchaiya, Via-Rajula, Dist. Amreli - 365 560, Gujarat Corporate Office: Vakils House, 1st Floor, Shri Shivsagar Ramgulam Marg, Ballard Estate, Mumbai - 400 001 +91 22 4058 7300 | info@swan.co.in | www.sdhi.co.in | CIN - L35110GJ1997PLC033193 KFIN/SSV/NSDL/74(5) Date : 08-07-2026 NATIONAL SECURITIES DEPOSITORY LIMITED TRADE WORLD, 4TH FLOOR, KAMALA MILLS COMPOUND, SENAPATI BAPAT MARG, LOWER PAREL, MUMBAI – 400 013. Dear Sir(s), Sub – Certificate under regulation 74 (5) for the quarter ended 30th June, 2026. We as Registrars, Share Transfer and Depository Services agents of the SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as the required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You, Yours faithfully, For KFin Technologies Limited Praveen Chaturvedi, Senior Vice President CC TO: SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, PIPAVAV PORT, POST-UCCHAIYA, VIA-RAJULA DIST., AMERELI, GUJARAT – 365560 KFIN/SSV/CDSL/74(5) Date : 08-07-2026 CENTRAL DEPOSITORY SERVICES (INDIA) LTD REGD OFF: MARATHON FUTUREX, A WING, 25TH FLORE, NM JOSHI MARG, LOWER PAREL (EAST), MUMBAI – 400 023. Dear Sir(s), Sub – Certificate under regulation 74 (5) for the quarter ended 30th June, 2026. We as Registrars, Share Transfer and Depository Services agents of the SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, certify that the details of securities dematerialized/rematerialized during the aforesaid period, as the required under Regulation 74(5) of SEBI (Depositories and participants) Regulations 2018 have been furnished to all the Stock Exchanges where the shares of the company are listed. Thanking You, Yours faithfully, For KFin Technologies Limited Praveen Chaturvedi, Senior Vice President CC TO: SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, PIPAVAV PORT, POST-UCCHAIYA, VIA-RAJULA DIST., AMERELI, GUJARAT – 365560