20 April, 2006

Statement of Responsibility for the Annual Report 2005 of TVK Rt

We the undersigned representatives of the issuer, Tisza Chemical Group Company Limited by Shares (TVK) of TVK equity shares (ISIN: HU0000073119) hereby declare in our capacity as fully authorized persons to sign for and on behalf of TVK that Tisza Chemical Group Company Limited by Shares assumes unlimited liability under the provisions set forth in 53 § (1)-(2) of Act CXX of 2001 on the Capital Market that the data disclosed in the 2005 Annual Report as published are true and fair and the Annual Report does not withhold any facts – to the best of its knowledge - considers to be of material importance in terms of evaluating the issuer’s position.

Furthermore, Tisza Chemical Group Company Limited by Shares is liable for indemnifying proven damages, if any, arising from its failure to make regular and extraordinary disclosures or from any misstatements therein.

Árpád Olvasó
Chief Executive Officer

Tivadar Vályi Nagy
Deputy CEO Chief Financial Officer