Pursuant to that certain Investor Rights Agreement by and between BGPInc., China National Petroleum Corporation (BGP) and ION Geophysical Corporation (the Company) dated March 25, 2010 (the Investor Rights Agreement), BGP is entitled to appoint one nominee to the Board of Directors of ION Geophysical Corporation, and to appoint replacements of such director from time to time. In accordance with the Investor Rights Agreement, BGP appointed Mr. Zhang ShaoHua, effective as of February 8, 2021, to replace its prior Board appointee, Mr. Zheng HuaSheng. Mr. Zheng HuaSheng 's service ended immediately prior to Mr. Zhang ShoaHua's appointment taking effect. The Board unanimously approved Mr. Zhang ShoaHua's appointment to the Board. Mr.Zhang ShaoHua, age 54, has been employed by BGP, in various positions of increasing responsibility since 1991.