Please find the Grant of Stage-I concept design approval by RDSO

KALYANI CAST TECH LIMITED (Formerly Known As; “Kalyani Cast Tech Private Limited”) Date: 27.10.2026 BSE Limited P J Tower Dalal Street, Mumbai – 400001 Scrip Code: 544023 Subject: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Grant of Stage-I Concept Design Approval by RDSO Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has received a letter dated 26 October 2026 from the Research Designs and Standards Organisation (RDSO), Ministry of Railways, granting Stage-I Concept Design Approval for the Company's proposed new wagon design for carrying ISO/domestic/dwarf containers under the Procedure for New Wagon Design Approval (PWDA) Scheme. This approval marks an important milestone for the Company and is expected to support its efforts to expand its presence in the railway wagon segment and explore potential business opportunities in container transportation. A copy of the letter received from RDSO is enclosed herewith for your information and records. Thanking you, For Kalyani Cast Tech Limited Naresh Kumar (Managing Director) DIN: 03302133 Reg. Office: B-144, 2nd Floor, DDA Shed, Okhla Industrial Area, Phase-1, Delhi-110020 Factory: Village Mamria Thethar, Distt. Rewari (Hr.) Tel: 011-26444400, Mobile: 09650891119, E-mail: info@kalyanicasttech.com, Kalyanicasttech@gmail.com CIN: L30200DL2012PLC242760 File No.RDSO-MW0PWDA(CNTR)/1/2025-O/o PED/SW/RDSO i= l[a ;k&,e³Cyw./PWDA/CONTR/KCT fnukda : 26.10.2026 M/s Kalyani Cast Tech. Ltd., B-144, 2nd DDA Shed, ` Okhla Industrial Area (O.I.A), Phase-1, Delhi – 110020 fo"k; : Application for Design & Development of New Design Wagon for carrying ISO/domestic/dwarf containers under PWDA scheme. lUnHkZ: (i) This office letter of even no. dated 24.07.2026. (ii) M/s Kalyani Cast Tech Limited’s letter no. Nil dated 31.08.2026/02.09.2026. (iii) M/s Kalyani Cast Tech Limited’s letter no. Nil dated 21.09.2026. The details submitted vide your letters under reference (ii) & (iii) above, in response to the observations raised vide this office letter under reference (i) above, has been scrutinised. The concerned Design directorates have accorded the proposal subject to compliance with the stipulated conditions relating to the negotiability of the propose ‘New Design wagons’ over simple curves of 10 degrees and two closely located (SRJ to SRJ distance between 0 m to 5m) 1 in 8.5 turnouts of 2nd and subsequent loops. In view of the above, your proposal of ‘New Wagon Design’ to Diagram drawing no. KCTL25-A-01 (A-Car), KCTL25- B-01 (B-car) and KCTL25-C-01 (C-car) is hereby accorded for ‘Stage –I Concept Design Approval’. Further it is advised to submit the requisites documents as per Stage-II (‘5.2 Detail Design Approval’ of PWDA policy no. WD-02-WDA-2009) for further processing the proposal, duly incorporating followings: 1. The details shall involve modifications and updates in Guard container design in line with the revised wagon design parameters submitted earlier duly incorporating its Locking, bolting and fixing arrangement. 2. Details Dynamics simulation reports as mentioned under para 5.2.2 of PWDA policy (WD-02-WDA-2009) which shall also include: a. The dynamics simulation report shall establish that the proposed rolling stock combinations, viz. A & C cars, C & B cars, and C & C cars, are capable of negotiating two closely spaced 1 in 8.5 turnouts in the 2nd and subsequent loops, with the SRJ-to-SRJ distance from 0 m to 5 m. b. Dynamics simulation reports indicating proposed rolling stock are capable to negotiate 10 degree simple curve. This is for your information and necessary action. layXu & Nil. (furs'k dqekj ikaMs;) funs’kd @eky fMCck —rs dk;dZ kjh funs’kd@eky fMCck Copy to: EDME/Frt/RB- For kind information, please.