PATENT No.                                 252998

APPLICATION No.                  1120/MUM/2007

DATE OF FILLING                    14-06-07

PATENTEE                   CATALYSTS HY SENSING TECHNOLOGIES PVT LTD. ( NOW SOLUTION 4 HYDROGEN )

"IT IS HEREBY CERTIFIED THAT A PATENT HAS BEEN GRANTED TO THE PATENTEE FOR AN INVENTION ENTITLED SOLID STATE ELECTROCHEMICAL HYDROGEN SENSOR AS DISCLOSED IN THE ABOVE MENTIONED APPLICATION FOR THE TERM OF 20 YEARS FROM THE 14TH DAY OF JUNE 2007, IN ACCORDANCE WITH THE PROVISIONS OFTHE PATENTS ACT, 1970.

s/d                                                                                                                                                                     s/d                                         

Controller of Patents                                                                                    Controller General of Patent, Design & Trade Marks.

Date of Grant: 13/06/2012.