NPP-Kozloduy Plc gives this reference to Quantum engineering Ltd, Sofia, with BULSTAT: 131087680 and Tax No: 2226187122 to certify that this company is our partner and has fulfilled professionally, in correspondence to the normative requirements, in time until December 2005 the assigned order:

"Modernization the system for vibration control of main circulation pumps at 5th and 6th block of NPP-Kozloduy", valued at 1 550 772 BGN.

NPP-Kozloduy Plc recommended Quantum engineering Ltd as loyal and correct partner and hopes that in the future the correct relations and professional co-operation will continue.

The present reference is given to Quantum Engineering to serve for participation in auctions and dont have any following engagements for our part.

28 Sep 2006

NPP-Kozloduy Plc gives this reference to Quantum engineering Ltd, Sofia, with BULSTAT: 131087680 and Tax No: 2226187122 to certify that this company is our partner and has fulfilled professionally, in correspondence to the normative requirements, in time until March 2006 procurement procedure:

"Reconstruction of the building and modernization of electrolysis station for hydrogen production", valued at 1 680 000 BGN.

Quantum Engineering Ltd is correct partner and executor of our orders.

NPP-Kozloduy Plc recommended Quantum engineering Ltd as loyal and correct partner in executing orders for construction and modernization and hopes that in the future the correct relations and professional co-operation will continue.

The present reference is given to Quantum Engineering to serve for participation in auctions and dont have any following engagements for our part.

28 Sep 2006