just the exp binary from 7.3 w/o the rest of the binaries in the Oracle Home will not work. You need to get the whole 7.3 installation in place in order to use the exp. It uses the DLL (Win) and .so files for (Solaris).
Solaris also has version on Intel as well as Linux. What do you mean by Intel box - Solaris (x86), Windows or Linux.
visit out web site: Click Here