This Guarantee Joinder Agreement may be executed in any number of counterparts each of which when so executed and delivered shall be deemed an original, and it shall not be necessary in making proof of this Guarantee Joinder Agreement to produce or account for more than one such counterpart executed by the Joining Guarantor. Without limiting the foregoing provisions of this Section 4 , the provisions of Sections 10.11 and 10.12 of the Credit Agreement shall be applicable to this Guarantee Joinder Agreement. Delivery of an executed signature page to this Guarantee Joinder Agreement by facsimile transmission or other electronic transmission shall be as effective as delivery of a manually executed counterpart of this Guarantee Joinder Agreement.