CERTIFICATION OF FOREIGN SOURCE INCOME I hereby certify, under the penalties of perjury, that the personal services I performed (or will perform) for The Academy of Natural Sciences of Drexel University were performed (or will be performed) totally outside the United States. Further, no part of the compensation I received (or will receive) under my current contract with The Academy of Natural Sciences of Drexel University is for personal services rendered within the United States. As such, my compensation from The Academy of Natural Sciences of Drexel University constitutes gross income from sources outside the United States under section 862(a)(1)(iii) of the Internal Revenue Code of 1986. By: _______________________________________ (Signature of International Payee) __________ Date C:/mydocuments/forms/CERTFSINCOME.doc