(Reuters) - U.S.-based data centre firm Equinix Inc on Monday said it had signed agreements for additional joint ventures with Singapore's sovereign wealth fund GIC to add $3.9 billion to expand a data centre programme.

The agreements for additional joint ventures in the form of limited liability partnerships with GIC, when closed, will bring the xScale data centre portfolio to more than $6.9 billion across 32 facilities globally, Equinix said in a statement.