The manufacturing PMI came in at 44.6, showing contraction above expectations, which were at 46.2, and below the 50 level that separates growth from contraction.
The PMI reading came in at 53.3, as the index was expected to register a reading of 53.7.
The services PMI showed higher than expected growth of 55.9 versus a forecast of 55.6.
And in early May, the European Central Bank raised interest rates by 25 basis points to 3.75%, the seventh consecutive increase since last year, in a bid to control inflation.
The ECB raised rates in December, February and March by half a percentage point each month.
The bank kept its options open on future moves as it continues its battle to tackle high inflation in the euro zone, but did not mention the need for further increases.
Annual inflation in the euro zone reached 7% last April, in line with expectations, against 6.9% the previous month, as prices continue to be bullish in the twenty countries that share the euro.
On a monthly basis, the inflation rate in the euro zone fell more than expected to 0.6% in April, against 0.9% in March, while expectations were for 0.7%.
Inflation in the euro zone slowed the most in March to 6.9%, as energy prices fell to the lowest level in a year, after peaking at 10.6% in October.
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