Swan Defence and Heavy Industries Limited has informed the Exchange about Certificate under SEBI (Depositories and Participants) Regulations, 2018.

SDHIL/SE/65/2026-27 9th October, 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 September, 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 September, 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: Uttam House, 3rd Floor, Plot No. 69, P D’Mello Road, Carnac Bunder, Mumbai – 400 009 +91 22 4058 7300 | info@swan.co.in | www.sdhi.co.in | CIN - L35110GJ1997PLC033193 A KFINTECH TolFree Numb180e0 5r0840 01 EXPERIENCE TRANSTORMATION Tel. No: +91 224617 0911 KFIN/SWAN/CDSL/74(5) Date: 07-10-2026 CENTRAL DEPOSITORY SERVICES (INDIA) LTD REGD OFF: MARATHON FUTUREX, A WING, 25™ FLORE, NM JOSHI MARG, LOWER PAREL (EAST), MUMBAI - 400 023. Dear Sir(s), Sub - Certificate under regulation 74 (5) for the quarter ended 30th September, 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 Y, sl (& <) Vagolu Ratna Babu \‘; 5 Assistant Vice President \U / CCTO: SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, PIPAVAV PORT, POST-UCCHAIYA, VIA-RAJULA DIST.,, AMERELI, GUJARAT - 365560 KFin Technologies Limited ¢ Operations Centre: Registered Office: KFin Technologies Limited, Selenium, Tower B, Plot No-31 & 32, KFin Technologies Limited, 301, The Centrium, Financial District, Nanakramguda, Serilingampally, 3rd Floor, 57, Lal Bahadur Shastri Road, Nav Pada, Hyderabad - 500032, Telangana, India. Kurla (West), Mumbai - 400 070, Maharashtra CIN: L72400MH2017PLC444072 AKFI NTECH Toll Free Number: 1800 3094 001 EXPERIENCE TRANSFORMATION Tel. No: +91 22 4617 0911 KFIN/SWAN/NSDL/74(5) Date : 07-10-2026 NATIONAL SECURITIES DEPOSITORY LIMITED TRADE WORLD, 4™ 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 30t September, 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 N il Vagolu Ratna Babu Assistant Vice President CCTO: SWAN DEFENCE AND HEAVY INDUSTRIES LIMITED, PIPAVAV PORT, POST-UCCHAIYA, VIA-RAJULA DIST., AMERELI, GUJARAT - 365560 KFin Technologies Limited ¢ Operations Centre: Registered Office: KFin Technologies Limited, Selenium, Tower B, Plot No-31 & 32, KFin Technologies Limited, 301, The Centrium, Financial District, Nanakramguda, Serilingampally, 3rd Floor, 57, Lal Bahadur Shastri Road, Nav Pada, Hyderabad - 500032, Telangana, India. Kurla (West), Mumbai - 400 070, Maharashtra CIN: L72400MH2017PLC444072,