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
mardonildo.filho@ventura-offshore.com

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/.