Polish GDP expanded 1.3% year on year in the first quarter, (chart) easing slightly versus a gain of 1.6% y/y in the preceding three months, seasonally adjusted data from the Central Statistical Office (GUS) showed in a flash estimate on May 15. The expansion points to economic recovery becoming sustained, even if not following a steady upward trajectory yet. “Economic growth in Poland is gradually recovering but low activity in the economies of Poland’s main trading partners, especially the ongoing recession in the German industry, limits the scale of the recovery,” Bank Millennium said. Adju…