Swan Defence and Heavy Industries Limited has informed the Exchange regarding Appointment of Mr. Venu Avadhanula as Chief Operating Officer (Senior Management Personnel) of the Company w.e.f. 1st October, 2026.

SDHIL/SE/62/2026-27 1st 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, Sub : Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 With reference to the captioned subject, we wish to inform that Mr. Venu Avadhanula has been appointed as the Chief Operating Officer (Senior Management Personnel) of the Company w.e.f. 1st October, 2026. The detailed disclosures with respect to the appointment as required in terms of the Regulation 30 of Listing Regulations read with SEBI Circular HO/49/14/14(7)2025- CFD-POD2/I/3762/2026 dated January 30, 2026 are attached as Annexure I. Request you to take the same on record. Thanking you, 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 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 Annexure I Appointment – Mr. Venu Avadhanula Particulars Remarks Reason for change viz. appointment, Mr. Venu Avadhanula has been appointed as the re-appointment, resignation, Chief Operating Officer (Senior Management removal, death or otherwise; P ersonnel) of the Company. Date of appointment/re- D ate of Appointment: 1st October, 2026 appointment/cessation (as applicable) & term of appointment/re-appointment; Brief profile (in case of appointment); Mr. Venu Avadhanula is a seasoned maritime and shipbuilding professional with over 34 years of leadership experience in shipyard operations, production and infrastructure development. He was previously associated with Drydocks World, Dubai. Disclosure of relationships between Not Applicable directors (in case of appointment of a director). Information as required pursuant to Not Applicable BSE Circular with ref no LIST/COMP/14/2018-19 and the National Stock Exchange of India Ltd with Ref. no NSE/CML/2018/24 both dated 20th June, 2018 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