ONGC Director (Finance) and CFO Vivek Tongaonkar Superannuates Effective May 1, 2026

Oil and Natural Gas Corporation Limited has announced the superannuation of its Director (Finance) and Chief Financial Officer, Shri Vivek Chandrakant Tongaonkar. The disclosure, made in compliance with Regulation 30 read with Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015, confirms that Tongaonkar ceased to hold both positions effective May 1, 2026, consequent upon attaining the age of superannuation.

Key Details of the Transition

The official communication was addressed to the listing departments of both major stock exchanges. The following table summarizes the essential information regarding this regulatory disclosure:

Particular	Details
Official Name	Shri Vivek Chandrakant Tongaonkar
DIN	10143854
Positions Held	Director (Finance) and Chief Financial Officer
Effective Date of Cessation	01.05.2026
Reason for Cessation	Attainment of superannuation age
Regulatory Compliance	Regulation 30 of SEBI (LODR) Regulations, 2015

Regulatory Filing Information

The disclosure was formally submitted to both the National Stock Exchange of India Ltd. and BSE Limited. The filing included standard identification details for the company, which trades under the symbol ONGC in the EQ series. The BSE Security Code Number is 500312, and the NCD is 959881.

The communication was digitally signed by Shashi Bhushan Singh, Company Secretary & Compliance Officer of Oil and Natural Gas Corporation Ltd., on May 1, 2026, at 11:17:06 IST. The disclosure was marked for the information and record of the exchanges.

Oil & Natural Gas Corporation Limited has announced changes in its senior management structure, disclosing the superannuation of two Executive Directors effective from 01.05.2026. The announcement was made in compliance with regulatory requirements under SEBI (LODR) Regulations, 2015.

Senior Management Transition Details

The company has formally notified stock exchanges about changes affecting positions one level below the Board of Directors. The disclosure was made pursuant to Regulation 30 read with Schedule III of the SEBI (LODR) Regulations, 2015.

Executive Name	Current Designation	Type of Change
Rajan Asthana	Executive Director	Superannuation
Shibu Augustine Manuel	Executive Director	Superannuation

Regulatory Compliance and Communication

The notification was officially communicated to both major stock exchanges where ONGC shares are listed. The company secretary and compliance officer, Shashi Bhushan Singh, signed the disclosure document dated 01.05.2026.

Stock Exchange Notification

The formal communication was addressed to:

National Stock Exchange of India Ltd. - Listing Department at Exchange Plaza, Bandra-Kurla Complex
BSE Limited - Corporate Relationship Department at Phiroze Jeejeebhoy Towers, Dalal Street

Corporate Governance Framework

This disclosure demonstrates ONGC's adherence to corporate governance standards and transparency requirements. The superannuation represents a natural transition in the company's leadership structure as senior executives reach retirement age.

The changes affect the senior management tier, specifically positions one level below the Board of Directors, indicating the significance of these roles in the company's organizational hierarchy. Such transitions are routine in large corporations and reflect normal succession planning processes.