"Exceptional performance" means performing above and beyond the expected or average level, doing exceptionally well, or standing out for being outstanding or excellent in a particular area or task. Full definition
Exceptional performance of assigned duties above and beyond that ordinarily expected of the position. (vet.purdue.edu)
We strive to provide our clients with exceptional performance in exchange for reasonable fees. (DevilsAdvocate.com)
Employees may also receive a variety of other perks, such as laptops, mobile phones and rewards for exceptional performance, such as weekend breaks or annual trips abroad. (allaboutcareers.com)