Poland's core inflation, excluding the prices of food and energy, measured 7.7 percent year on year in April 2022, up from 6.9 percent in March, the National Bank of Poland (NBP) said on Monday. Core inflation, excluding fixed prices, amounted to 12.2 percent year on year in April, up from 10.6 percent in the previous month. Core inflation, excluding the most volatile priced items, measured 9.3 percent year on year in April, against the 7.9 percent level a month earlier.