Shareholders will also discuss on May 27 the merger with its distributor Zaharcom.
Tereos bought Zaharul Ludus and Zaharcom in 2012, from Franco Roumanie de Sucrerie, a unit of French group Sucreries du Marquenterre Group.
Located in Mures County, Transylvania region, the Ludus refinery produces 34,000 tons of beet sugar per year, Tereos said in a statement.
In 2012, Zaharul Ludus had 213 employees and reported a net profit of RON30.5 million, almost threefold higher on the year.
Tereos, the world’s fourth largest sugar producer, had previously been majority owner in Zaharul Ludus until 2007, when it sold its 50% stake to Sucreries du Marquenterre.