By Giulia Petroni

Repsol SA said Friday that it has signed an agreement to transfer two stakes in Vietnam to state-owned company PetroVietnam.

The Spanish energy company said it would transfer its 51.75% stake in block 07/03 PSC and its 40% stake in blocks 135-136/03 PSC.

The transaction is expected to be completed by the end of the year, the company said, adding it won't have any significant impact on its financial statements.

Write to Giulia Petroni at giulia.petroni@wsj.com