Copy hyperlink from EXCEL CELL to a Powerpoint slide

Question

I was recently upgraded to office 2007 from 97; In Excel I have a list of cells each containing hyperlinks to other documents. In office 97 I used to copy (cntl-C) these cells containing the hyperlink to PowerPoint and the URL path in the hyperlink would copy as is; With Office 2007 the copy coverts the imbedded URL in the hyperlink to the current file path making the hyperlink useless