President Donald Trump has sent out tariff letters to seven smaller U.S. trading partners in his first batch of import tax announcements of the day.

Instead on Wednesday, Trump continued to threaten countries with higher tariffs in the near future by publishing open letters to the Philippines, Brunei, Moldova, Algeria, Iraq, Libya and Sri Lanka that set new tariff rates ranging from 20% to 30% that he said he would impose on Aug. 1.

President Trump is alerting countries around the world of impending tariff rates that they will face when sending goods to the United States, hitting prominent trading partners and poorer nations