The board at its meeting held on 27 October 2026 has accorded approval for availing additional credit facilities of Rs. 1,250.00 Crore with SBI, Mumbai for issuing SBLC in favour of SBI, Sri Lanka for the subsidiary company Colombo Dockyard PLC, Sri Lanka, as per the terms agreed with CDPLC and the Bank.

1?704102 ~~KEINiNDIA ssTe RisI~eseI f~tR≥.s 41I~1’l ~i~it ~T .SLlchIj) Mazagon Dock Shipbuilders Ltd. (Formerly Mazagon Dock Limited) (A Govt. ofIndia Undertaking) sTmciii NI5I~Ii~, ~f-40O 010 Dockyard Road, Mazagon, Mumbai -400 010. Certified ISO 9001 Company CIN : L35100MH1934G01002079 SECIBSENSEDISCL/48/2026-27 *.fle Ref. No.: i~i~: 27 October 2026 Date: To To BSE Limited National Stock Exchange ofIndia Limited Phiroze Jeejeebhoy Towers Exchange Plaza, C-i, Block 0 Dalal Street Bandra Kurla Complex Mumbai— 400 001 Bandra (E), Mumbai 400 051 Scrip Code: 543237 NSE Symbol: MAZDOCK Subject: Disclosure under Para B of Part A of Schedule III read with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Dear Sir! Madam, This is to inform that the Board at its meeting held on 27 October 2026 has accorded approval for availing additional credit facilities of ~1,250 Crores (Rupees One Thousand and Two Hundred Fifty Crores only) with State Bank of India, Mumbai for issuing Standby Letter of Credit (SBLC) in favour of State Bank of India, Sri Lanka for subsidiary company Colombo Dockyard PLC, Sri Lanka, as per the terms agreed with CDPLC and the Bank. Disclosure of information pursuant to Regulation 30 of the SEBI (LODR) Regulations, 2015 read with SEBI Master Circular No. HO!49/14!14(7)2025-CFD-POD2,’1J3762,’2026 dated 30 January 2026 is placed as Annexure-I. The Board Meeting commenced at 1030 hrs 1ST and concluded at 1440 hrs 1ST. This is for your information and record. Thanking You, Yours Faithfully, For MAZAGON DOCK SHIPBUILDERS LIMITED Lalatendu Acharya Company Secretary and Compliance officer FCS-6569 End: as above ~ +91(22)23762000 ~T (Design) +91(22) 2373 8159 (Proj-C) +91(22) 2373 8147 www.mazdock.com Phone+91(22) 2376 3000 Fax (Material)+91(22) 2373 8151 (EastYd.)+91(22) 2373 8333 Website : www.mazdock.com IRQS +91(22) 23764000 (Finance)+91(22)2373 8338 AOEPARINENTOF INOIANRSGISTSROF SHIPPING Annexure I Disclosure of information pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/113762/2026 dated 30 January 2026. Sr. Particwars Information a) Name ofparty for which such guarantees or indemnity or surety was given. Colombo Dockyard PLC, Sri Lanka (CDPLC) Whether the promoter/ promoter group/ group companies have any interest in this b) transaction? If yes, nature of interest and No details thereofand whether the same is done at “arm’s length”. CDPLC is required to furnish bank guarantee (BG)toitsclients againsttheadvancereceived for the shipbuilding contracts. However, owing to limited resources, vis a vis orders received, CDPLC had requested MDL (Holdingcompany) to offernecessary comfort to theBG issuing Bank. Accordingly, back-to- Briefdetails ofsuch guarantee or indemnity back Standby Letter ofCredit (SBLC) facility or becoming a surety viz, brief details of has been arranged for the bank in Colombo to c) agreement entered (if any) including enable it to issue BGs in favour of CDPLC’s significara terms and conditions, including clients as and when, it is required. amount ofguarantee. Amount Involved: ~1,250Crores (Rupees One Thousand and Two Hundred Fifty Crores only) SBLC issuance charges, taxes and directly attributable costs (including out-of-pocket costs) shall be borne by the company, to be reimbursed by CDPLC with amarkup of 10%. d) Impact of such guarantees or indemnity or In case CDPLC defaults to honor the BG, the surety on listed entity. liability will cometoMDLbeingback-to-back SBLC provider.