(Replaces "discussed" with "disclosed" in third paragraph)

FRANKFURT, March 26 (Reuters) - German nationalised

energy firm Sefe will take full ownership of gas transmission

network WIGA by buying around half from joint venture partner

Wintershall DEA, it said on Tuesday.

The deal is being funded via additional state aid and still

needs to be approved by the EU Commission, Sefe said.

No financial details were disclosed.