Common use of KEYBANK NATIONAL ASSOCIATION Clause in Contracts

KEYBANK NATIONAL ASSOCIATION. By: /s/ Michxxxx Xxxxxx ------------------------------------ Title: Vice President --------------------------------- BORROWER: BIRNXX XXXTAL MANAGEMENT SERVICES, INC., a Colorado corporation

KEYBANK NATIONAL ASSOCIATION. By: /s/ Michxxxx Xxxxxx ------------------------------------ ------------------------------- Title: Vice President --------------------------------- BORROWER: BIRNXX XXXTAL MANAGEMENT SERVICES, INC., a Colorado corporationcorporation By: /s/ Dennxx X. Xxxxx -------------------------------- Title: Chief Financial Officer

KEYBANK NATIONAL ASSOCIATION. By: /s/ Michxxxx Xxxxxx ------------------------------------ ----------------------------------------- Title: Vice President --------------------------------- ---------------------------------- BORROWER: BIRNXX XXXTAL MANAGEMENT SERVICES, INC., a Colorado corporation

KEYBANK NATIONAL ASSOCIATION. By: /s/ /s/Michxxxx Xxxxxx ------------------------------------ ----------------------------------------- Title: Vice President --------------------------------- BORROWER: BIRNXX XXXTAL MANAGEMENT SERVICES, INC., a Colorado corporationcorporation By: /s/Dennxx X. Xxxxx ----------------------------------------- Title: Chief Financial Officer