1, litra a), betyder, at den pågældende medlemsstat har en holdbar prisudvikling og en gennemsnitlig inflationstakt, som betragtet i en periode på et år før undersøgelsen ikke overstiger inflationstakten i de højst tre medlemsstater, der har nået de bedste resultater med hensyn til prisstabilitet, med mere end 1,5 procentpoint.  
The criterion on price stability referred to in Article III-198(1)(a) of the Constitution shall mean that the Member State concerned has a price performance that is sustainable and an average rate of inflation, observed over a period of one year before the examination, that does not exceed by more than 1,5 percentage points that of, at most, the three best performing Member States in terms of price stability.  