You can use an excel spreadsheet and the "concatonate" command to write a procom script. It will probably take you a half hour or so to learn the Procom scripting commands but procom can accomplish what you are asking.
transmit "1001 ^[[B"
pause 1
transmit "1002 ^[[B"
pause 1
transmit "1003 ^[[B"
pause 1
etc...........
^[[B sends a down curser, but you would probably be better off looking up "TAB" so you can fill the entire page.
To build the script in excel, make your 1st column a list of odd numbers 1,3,5,7,9, etc. make your 2nd column >transmit "<. make the 3rd column your list of extensions. make your 4th colum > ^[[B<. make your 5th column a concatonate formula to add the text from column 2-4.
Further down on the spreadsheet, make a list of even numbers 2,4,6,8,10, etc in the 1st column. Put <PAUSE 1> in the 2nd column.
Finally, sort your spreadsheet by column 1 and you'll get something looking like:
transmit "1001 ^[[B"
pause 1
transmit "1002 ^[[B"
pause 1
transmit "1003 ^[[B"
pause 1
to cut & paste into procomm.
-CL