IN MAY 02, 2007, JOHN VALVE WAS APPROVED OF BEING A QUALIFIED MATERIAL MANUFACTURER OF CASTINGS IN CARBON, CARBON-MANGANESE, ALLOY, AUSTENITIC STAINLESS STEEL AND DUPLEX STAINLESS STEEL BY INVESTMENT CASTING PROCESS. THIS APPROVAL IS ISSUED BY LLOYD'S REGISTER.

CERTIFICATE NO: MD00/3013/0002/2