Corr * Disclosure of Voting Rights in Shares

M&G Plc controls voting rights in 29,007,347 shares of PGS, which estimates to a * 7.49% holding as of 13th February 2020 based on the total number of shares/voting rights of 387,206,996.

The transaction triggering this notification was completed within the ‘post close’ hours. The purchased amount was 4,750,000 shares and the trade date was 13th February 2020.

The trigger for this notification is due to The Prudential Assurance Company Limited (wholly owned subsidiary of M&G Plc) moving above the 5% notifiable threshold.

All shares attributed to M&G Plc are managed by M&G Investment Management Limited.

Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held:

Shareholders Number of Shares/ Percentage og Shares/
Voting Rights Voting Rights

M&G Plc
(Ultimate parent) 29,007,347 7.49%

The Prudential Assurance Company Limited
(wholly owned subsidiary of M&G Plc) 20,134,192 5.19%

M&G Group Limited
(wholly owned subsidiary of M&G Plc) 29,007,347 7.49%

M&G FA Limited
(wholly owned subsidiary of M&G Group Limited) 29,007,347 7.49%

M&G Investment Management Limited
(wholly owned subsidiary of M&G FA Limited) 29,007,347 7.49%