Date: Confirmation Letter to express an intention to participate in a public tender for “Elastic full waveform inversion for monitoring using field data and comparison with Acoustic FWI” Mr. Makoto Ichikawa Executive Director, Member of the Board Oil & Gas Upstream Technology Units Japan Oil, Gas and Metals National Corporation Submitter: (Name of the Company representative) (Name of your company) (Address of your company) We hereby express our intention to participate in a public tender for “Elastic full waveform inversion for monitoring using field data and comparison with Acoustic FWI” and submit this “Confirmation Letter” to JOGMEC. Please see and review the following documents proving that we are qualified as a potential tenderer. : 1) Outline of our institution or career summary 2) Documents to certify having full knowledge about “Elastic full waveform inversion for S-wave velocity” which is the contract research of last year. 3) Documents to certify having all necessary software/hardware and personnel who will be able to perform the Research. 4) Documents to certify to capability of making a lot of technical discussion with JOGMEC. - Please include that you meet all the requirements indicated in Article 3 of the announcement into your documents to be submitted. - The size of the submission form should be “A4”. Attachment will be accepted.