159In that regard, it is well established that the principle of equal treatment requires that comparable situations not be treated differently and different situations not be treated in the same way unless such treatment is objectively justified (see judgments of 29 April 2004, Novartis Pharmaceuticals, C‑106/01, EU:C:2004:245, paragraph 69 and the case-law cited; of 4 May 2016, Pillbox 38, C‑477/14, EU:C:2016:324, paragraph 35 and the case-law cited; and of 9 September 2010, CSL Behring v Commission and EMA, T‑264/07, EU:T:2010:371, paragraph 113 and the case-law cited).