Certificate under SEBI (Depositories and Participants) Regulations, 2018

CUBEX TUBINGS LIMITED ) (AN ISO 9001:2008 CERTIFIED COMPANY) CIN: L27109TG1979PLC002504 Date:12-10-2026 To, To, - BSE Limited The Manager, Phiroze Jeejeebhoy Towers, Department of Corporate Services, Dalal Street, The National Stock Exchange of India Limited Mumbai- 400 001 BKC Complex, Bandra (East), Mumbai Scrip Code: 526027 SYMBOL: CUBEXTUB Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the period between 015 July, 2026 to 30" September, 2026. In accordance with Regulation 74(5) of the SEBI Depositories and participants) Regulations, 2018 and based on the certificate received from M/s. Aarthi Consultants Private Limited (Registrar and Share Transfer Agent), we hereby confirm that for the period from 01 July, 2026 to 30" September, 2026, the certificate of equity shares received for dematerialization have been mutilated and cancelled only after due verification and that the name of the respective depository has been substituted as the registered owner in respect of those dematerialized equity shares. We further confirm that the securities comprised in the said certificates of equity shares have been listed on stock exchanges where the earlier issued securities are listed. Request you take the same on records. Thanking You For Cubex Tubings Limited Virendra Bhandari Managing Director DIN: 00062228 REGD. OFFICE : 1-7-27 TO 34, 2ND FLOOR, SHYAM TOWERS, 8.D. ROAD, SECUNDERABAD - 500 003. TELANGANA TEL : 040-27817440, 27817436 ADMN. OFFICE & FACTORY : SURVEY NOS. 464 & 482, NEAR IDA, PHASE-V, PATANCHERU - 502 319, SANGAREDDY DIST. TELANGANA TEL : 08455-285362, 285363, FAX : 08455-241675, email : cubex@rediffmail.com KOLKATA : 033-22436184, FAX : 28610672, CHENNAI : 044-22483187, FAX : 22484630