Consolidated net sales were USD 2.017 bn in the first quarter of 2019 versus USD 1.972 bn in the year ago period, an increase of 2.3%. Volume was a 1.7 point benefit, the net impact of acquisitions and divestitures was a 0.9 point benefit, and net price realization was a 0.2 point benefit. Foreign currency translation was a 0.5 point headwind. Reported gross margin of 44.3% represented a decrease of 510 basis points versus the first quarter of 2018. Adjusted gross margin was 45.7% in the first quarter of 2019, compared to 44.9% in the first quarter of 2018, an increase of 80 basis points.
First-quarter 2019 reported operating profit was USD 438.9 m, resulting in an operating margin of 21.8%. Adjusted operating profit of USD 470.5 m increased 9.9% versus the first quarter of 2018. This resulted in an adjusted operating margin of 23.3%, an increase of 160 basis points.