Well done on your success so far. What are your eating plans at the end of your Exante diet? I believe it's vital to know how you'll maintain those results, as it's not possible to seriously restrict calories long term.
Years ago before I was diabetic I was "persuaded" to go on a very low calorie diet - I certainly lost weight, but put it back with a vengeance afterwards. But I've lost far more weight over a few months (about 20kg) by eating very low carbs for a while, on my now permanent and sustainable low carb diet, and more to the point have kept it off. The main advantage though to me as a T2, is that by starting to reduce carbohydrates soon after diagnosis, my blood sugars almost immediately dropped down to low pre-diabetic levels, even before I was really losing weight.