(July 27, 2016, 11:57 AM EDT) -- BUCHAREST, Romania — Two investors on July 27 said they have sent a notice of investment arbitration to the government of Romania in relation to the seizure of assets of its Romanian subsidiaries by the government.

JSC National Company KazMunayGas (KMG) and KMG International N.V. (KMGI) said in a news release that they submitted to the Romanian authorities a notice of investment dispute based on the agreement between the government of Romania and the government of the Republic of Kazakhstan, the agreement between the government of...