Ventura Offshore Holding

Ventura Offshore Holding Ltd.: SSV Catarina Exercise of 3rd Optional Well

December 10, 2025 - Ventura Offshore Holding Ltd. (the "Company") is pleased

to announce that our customer, Eni Indonesia, has exercised the drilling and

completion of the third of four optional wells in Indonesia for the

semisubmersible drilling rig, SSV Catarina.

The exercise of this third optional well is expected to keep the rig utilized

through the second quarter of 2026 and it further increases the firm backlog

of the Company by approximately $20 million. Further exercise by Eni of the

remaining optional well in Indonesia could keep the rig utilized into Q3 2026.

For further queries, please contact:

Mardonildo Filho

Chief Strategy Officer

+55 21 97166 1978

About Ventura Offshore Holding Ltd.

Ventura Offshore Holding Ltd. is a deep water drilling contractor providing

deep water offshore drilling services to the oil and gas industry. The

Company's core activities are focused in the Brazilian offshore oil and gas

market. The Company owns and operates one drillship, DS Carolina, and two

semisubmersible drilling rigs, SSV Victoria and SSV Catarina, and manages one

drillship, DS Zonda. The Company is incorporated under the laws of Bermuda.

Additional information about Ventura Offshore Holding can be found at

https://ventura-offshore.com/en/a-ventura/.

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