Based on the information available, "EE" stands for the Enterprise Edition. It is intended for business use and offers an additional 3 years of extended company support as well as 7 years of security and maintenance updates. These Enterprise services are not included in the normal product.

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Answer taken from the Samsung website: https://www.samsung.com/ch... The smart way to work: Galaxy Enterprise Edition helps you increase your productivity even further while keeping your organisation secure. With the Galaxy Enterprise Edition, you benefit from up to 3 years of extended manufacturer warranty and up to 7 years of security and maintenance patch updates. - Regular and fast security support - 3-year extended manufacturer's warranty - Comprehensive security solutions with Samsung Knox

Thanks for the message, the error has now been corrected :)