Common use of Acknowledgement Agreement Clause in Contracts

Acknowledgement Agreement. CCC agrees to enter into an agreement with any permitted pledgee of Securities acknowledging the pledge and the rights of the pledgee on terms reasonably requested by the pledgee. Very truly yours, APH ASSOCIATES L.P. By: APH Associates, Inc., its general partner By: /s/ Alan P. Hirmes Name: Alan P. Hirmex Xhe undersigned, being the holder(s) (colxxxxxxxxx xx xore than one, the "Holder") of all of the equity interests (the "Equity Interests") in the above party to the foregoing Lock-Up Agreement (the "Direct Owner"), agree for the benefit of CCC and CharterMac that the Holder will not Transfer or permit any Transfer of the Equity Interests in the Direct Owner in a manner that, by indirect Transfer, would circumvent the purpose and intent of the restrictions on Transfer of Securities set forth in the Lock-Up Agreement. /s/ Alan P. Hirmes ------------------------ Alan P. Hirmes Acknowledged and agreed to by: CharterMac Capitax Xxxxxxx, XXX By: CharterMac Corporation, its Managing Member By: /s/ Stuart J. Boesky Name: Stuart J. Boesky Title: Xxxxx Xxxxxxive Officer

Acknowledgement Agreement. CCC agrees to enter into an agreement with any permitted pledgee of Securities acknowledging the pledge and the rights of the pledgee on terms reasonably requested by the pledgee. Very truly yours, APH SJB ASSOCIATES L.P. By: APH SJB Associates, Inc., its general partner By: /s/ Alan P. Hirmes Stuart J. Boesky Name: Alan P. Hirmex Xhe Stuart X. Xxxxxx The undersigned, being the holder(s) (colxxxxxxxxx xxxxxxxxxxxx xx xore more than one, the "Holder") of all of the equity interests (the "Equity Interests") in the above party to the foregoing Lock-Up Agreement (the "Direct Owner"), agree for the benefit of CCC and CharterMac that the Holder will not Transfer or permit any Transfer of the Equity Interests in the Direct Owner in a manner that, by indirect Transfer, would circumvent the purpose and intent of the restrictions on Transfer of Securities set forth in the Lock-Up Agreement. /s/ Alan P. Hirmes ------------------------ Alan P. Hirmes Stuart J. Boesky --------------------- Stuart J. Boesky Acknowledged and agreed to by: CharterMac Capitax Capixxx Xxxxxxx, XXX By: CharterMac Corporation, its Managing Member By: /s/ Stuart J. Boesky By:/s/ Alan P. Hirmes ----------------------- Name: Stuart J. Boesky Xxxx X. Xxxxxx Title: Xxxxx Xxxxxxive Chief Operating Officer

Acknowledgement Agreement. CCC agrees to enter into an agreement with any permitted pledgee of Securities acknowledging the pledge and the rights of the pledgee on terms reasonably requested by the pledgee. Very truly yours, APH ASSOCIATES DLK Associates L.P. By: APH DLK Associates, Inc., its general partner By: /s/ Alan P. Hirmes Denise L. Kiley Name: Alan P. Hirmex Xhe Denise L. Xxxxx The undersigned, being the holder(s) (colxxxxxxxxx coxxxxxxxxxx xx xore than one, the "Holder") of all of the equity interests (the "Equity Interests") in the above party to the foregoing Lock-Up Agreement (the "Direct Owner"), agree for the benefit of CCC and CharterMac that the Holder will not Transfer or permit any Transfer of the Equity Interests in the Direct Owner in a manner that, by indirect Transfer, would circumvent the purpose and intent of the restrictions on Transfer of Securities set forth in the Lock-Up Agreement. /s/ Alan P. Hirmes ------------------------ Alan P. Hirmes Denise L. Kiley ---------------------------- Denise L. Kiley Acknowledged and agreed to by: CharterMac Capitax Capitxx Xxxxxxx, XXX By: CharterMac Corporation, its Managing Member By: /s/ Stuart J. Boesky Alan P. Hirmes Name: Stuart J. Boesky Alan P. Hirmes Title: Xxxxx Xxxxxxive Chxxx Xxxxxxxxx Officer

Acknowledgement Agreement. CCC agrees to enter into an agreement with any permitted pledgee of Securities acknowledging the pledge and the rights of the pledgee on terms reasonably requested by the pledgee. Very truly yours, APH MARC ASSOCIATES L.P. By: APH Marc Associates, Inc., its general partner By: /s/ Alan P. Hirmes Marc D. Schnitzer Name: Alan P. Hirmex Xhe Marc X. Xxxxxxxxx The undersigned, being the holder(s) (colxxxxxxxxx coxxxxxxxxxx xx xore xxxe than one, the "Holder") of all of the equity interests (the "Equity Interests") in the above party to the foregoing Lock-Up Agreement (the "Direct Owner"), agree for the benefit of CCC and CharterMac that the Holder will not Transfer or permit any Transfer of the Equity Interests in the Direct Owner in a manner that, by indirect Transfer, would circumvent the purpose and intent of the restrictions on Transfer of Securities set forth in the Lock-Up Agreement. /s/ Alan P. Hirmes ------------------------ Alan P. Hirmes Marc D. Schnitzer --------------------- Marc D. Schnitzer Acknowledged and agreed to by: CharterMac Capitax Capitxx Xxxxxxx, XXX By: CharterMac Corporation, its Managing Member By: /s/ Stuart J. Boesky Alan P. Hirmes Name: Stuart J. Boesky Alan P. Hirmes Title: Xxxxx Xxxxxxive Xxxxxxxxg Officer