22 June, 2007

Extraordinary announcement about changes in management

Tisza Chemical Group Public Limited Company (TVK Plc.) hereby informs its shareholders and capital market participants that the following changes will take place in the Company’s management as of July 1, 2007 in order to strengthen the group-level positions and further improve production profitability.

- Mr. Tivadar Vályi Nagy will be the Company’s new Production Director, who was up to that time the Chief Financial Officer of TVK Plc. The new Chief Financial Officer will be Mr. Gyula Hodossy, having been active formerly as senior manager of Energy Service and Maintenance Unit of TVK Plc.

- Mr. László Sebestyén, the former Production Director of TVK Plc. will pursue his career at TVK Plc., his duty will be to manage the team, specialised to the short-term and long-term reconstruction programs and capacity-increasing tasks of the MOL Group’s three Olefin Plants operating in Tiszaújváros and Bratislava.

- The mandate of Mr. Árpád Deák, director of Petrochemical Technology and Project Development of TVK Plc. was terminated due to his retirement. In the future period, Dr. Gábor Nagy, TVK Plc’s technology-development manager will take over the tasks regarding the management of this department.

The Company thanks the managers for their committed and conscientious work and wish further success for their new positions.

According to the above changes the Company’s strategic employees are as follows: