Danish owner Evergas is selling its eight ethylene carriers to the partners in Unigas.
B Schulte, Sloman Neptune and Ultragas are reportedly paying between $25m and $26m for each of the 12,000-cbm ships.
The octet, built in 2013 and 2014, were reported ordered in China for some $38m each.
Steffen Jacobsen, chief executive of Evergas, confirms that the eight ships are being sold to the Unigas partners.