3b blackbio dx Limited has formally declared to BSE Limited that it does not qualify as a Large Corporate under the Securities and Exchange Board of India (SEBI) regulatory framework, thereby exempting itself from specific disclosure requirements.

Updated Regulatory Compliance Declaration

The company submitted its latest declaration on April 15, 2026, addressing the non-applicability of disclosure requirements outlined in SEBI circular SEBI/HO/DDHS/DDHSRACPOD1/P/CIR/2023/172 dated October 19, 2023. The formal communication was directed to the Department of Corporate Relations at BSE Limited.

Corporate Authorization

The declaration was duly authorized and digitally signed by key company officials. Company Secretary Navneet Kaur (ACS No. 29130) and Chief Financial Officer Nikhil Kuber Dubey (DIN: 00538049) both provided their digital signatures on April 15, 2026, at 16:14:22 and 16:15:03 respectively.

SEBI Large Corporate Framework

The SEBI circular dated October 19, 2023, establishes specific criteria for categorizing companies as Large Corporates, which triggers additional disclosure obligations. By confirming its non-applicability under these criteria, 3B BlackBio Dx Limited has clarified its regulatory status and compliance obligations to the stock exchange.

The company's formal submission serves as an official record with BSE Limited, ensuring transparency regarding its regulatory classification and associated disclosure requirements under current SEBI guidelines.

3B BlackBio Dx Limited has filed its quarterly compliance certificate with BSE Limited, fulfilling mandatory regulatory requirements under SEBI Depositories and Participants Regulations for the quarter ended March 31, 2026.

Regulatory Compliance Filing

The company submitted the certificate on April 6, 2026, in compliance with Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. The filing was signed by Nikhil Kuber Dubey, Whole Time Director (DIN: 00538049), and addressed to the Department of Corporate Relations at BSE Limited.

RTA Confirmation Certificate

Adroit Corporate Services Pvt. Ltd., serving as the company's Registrar and Share Transfer Agent, provided the confirmation certificate dated April 1, 2026. The RTA confirmed that securities received from depository participants for dematerialization during Q4FY26 were properly processed and confirmed to the depositories.

Key Compliance Confirmations

The RTA certificate validates several critical compliance aspects:

• Securities received for dematerialization were confirmed (accepted/rejected) to depositories
• Securities comprised in certificates have been listed on stock exchanges where earlier issued securities are listed
• Security certificates received for dematerialization have been mutilated and cancelled after due verification
• Depository names have been substituted in the register of members as registered owners within 15 days

Corporate Structure

The filing identifies the company as 3B BlackBio Dx Limited (Formerly, Kilpest India Limited), indicating a recent corporate restructuring or name change. The company maintains its registered operations from Bhopal, Madhya Pradesh.

This quarterly certification demonstrates the company's adherence to SEBI's regulatory framework governing depositories and participants, ensuring transparent and compliant securities handling processes throughout Q4FY26.