The first crypto exchnage that was launched at that time was Mt. Gox exchange in the year 2010 so there was no exchange in 2009.

In that time 2009, the first recognized transaction was made by Satoshi and Hal Finney, so it's impossible that there was an exchange during that time 2009.
Possibly you're miscalculated here, it might be you bought Bitcoin in the year 2011 or 2010.

We can try to figure out what exchange you used before on a correct specific date.