The Customer shall perform Routine Maintenance and operate the Covered Equipment and
the Facility using including, but not limited to lubricants and fuel, greases, water, steam and
air which comply with the manufacturers’ specifications and latest mainten ance manuals, all
in accordance with the manufactures’ and/or designers’ recommendations and Good
Industry Practices. It is the Customer’s responsibility to perform all maintenance work on
the portions of the Facility and on the Covered Equipment which are not included in the
scope of Preventive Maintenance or in the scope of Corrective Maintenance. The Customer
shall inform Bihai (Thailand), in writing, of all Assumption Deviations. The Customer shall
fulfil all the Customer’s responsibilities and obligations under this Agreement, at the times
necessary to meet Bihai (Thailand)’s schedule and the requirements of this Agreement.