Select the text

In Word 2003 - click Table - Convert - Text to Table


(In your example you have 1 column and 3 rows)

Click OK


(The text is now in a table)


with the table selected click Table - Insert - Column to the right

In response to soapage:

Did you work things out? Nothing is simple if you haven't done it before. I wonder if this illustration may help you out...

Adding Columns to Tables in Word

Let me know if you need any assistance.