Excel Integration in SSIS Package Here's an older list of links I used when populating an excel spreadsheet versus extracting as you are hoping to do.
One of the biggest things I ran into is whether or not it's xls or xlsx (Office 2007). Maybe some of these will point you in a direction. I don't mean to imply that any of these will answer your question, but I'm pressed for time so I wanted to share the resources I found for my situation.
http://devcity.net/PrintArticle.aspx?ArticleID=239
http://jessicammoss.blogspot.com/2008/10/manipulating-excel-spreadsheets-in-ssis.html
http://msdn.microsoft.com/en-us/library/cc837974.aspx
http://www.sqlservercentral.com/Forums/Topic852934-364-1.aspx
http://stackoverflow.com/questions/863864/excel-2007-automation-on-top-of-a-windows-server-2008-x64
http://stackoverflow.com/questions/1051464/excel-interop-worksheet-or-worksheet
http://stackoverflow.com/questions/2012282/open-excel-file-on-a-specific-worksheet
http://bytes.com/topic/visual-basic-net/answers/385790-how-do-i-set-excel-cell-format-text-vb-net
http://vb.net-informations.com/excel-2007/vb.net_excel_page_format.htm