This Guaranty (including the documents and instruments referred to herein) constitutes the entire agreement between each Guarantor and Lender and supersedes all other prior agreements and understandings, both written and oral, between each Guarantor and Lender with respect to the subject matter hereof; provided , however , that this Guaranty is in addition to, and not in substitution for, any other guarantees from each Guarantor to Lender.