definiens: means, collectively, and to the extent such Entit y is receiving Services under this Agreement, the following : ( a ) [COMPANY] ; ( b ) any Entity that is an Affiliate of [COMPANY] on the Commencement Date, or thereafter becomes an Affiliate of [COMPANY] ; ( c ) any Entity that purchases after the Commencement Da te from [COMPANY] or any Affiliate of [COMPANY], all or substantially all of the assets of [COMPANY] or such Affiliate, or of any division, marketing unit, business unit, administrative unit, or manufacturing, research or development facility thereof, provided that such Entity agrees in writing to be bound by the terms and conditions of this Agreement ; THIS EXHIBIT HAS BEEN REDACTED AND IS THE SUBJECT O F A CONFIDENTIAL TREATMENT REQUEST . REDACTED MATERIAL IS MARKED WITH [ * * * * * * ] AND HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE C OMMISSION