Union Dental Holdings Inc. (OTCPK:UDHI) signed a letter of intent to acquire remaining stake in Drinkable Air, Inc in cash and stock on December 18, 2014. The financing is to be arranged by Sunrise Capital and the acquisition of DA assets. The companies will apply for a listing on the American Stock Exchange or to be quoted as a fully reporting company with the Securities and Exchange Commission on the OTC Bulletin Board Stock Exchange. The deal is expected to be completed in the next 90 days from the transaction announcement. As of April 10, 2015, Union Dental Holdings Inc. announced that it had requested an extension for the letter of intent to acquire Drinkable Air, Inc. and Drinkable Air agreed to the extension.

Union Dental Holdings Inc. (OTCPK:UDHI) cancelled the acquisition of remaining stake in Drinkable Air, Inc on December 18, 2015.