Ventura Offshore Holding Ltd.: SSV Catarina - Exercise of optional well

June 5, 2025 -- Ventura Offshore Holding Ltd. (the "Company") is pleased to
announce that our customer, ENI Indonesia, has exercised the first of four
optional wells in Indonesia for the semisubmersible drilling rig, SSV
Catarina.

The exercise of this first optional well is expected to keep the rig utilized
into the fourth quarter of 2025 and further it increases the firm backlog of
the Company by about $31 million. Further exercise by ENI of the remaining
three optional wells in Indonesia could keep the rig utilized through Q2 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, 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/.