ATAI Life Sciences Investor Presentation — May 2018

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2018 FIRST QUARTER EARNINGS CALL

Mr. Kevin Ma, Chairman and CEO

Mr. Jack Huang, President

•This presentation was developed by ATA and is intended to be used solely in connection with ATA’s earnings call for the first

quarter ended March 31, 2018. This presentation is not to be construed as an offer to sell or the solicitation of an offer to buy the

Company’s securities. This presentation is based upon information available to the public, as well as other information from sources which management believes to be reliable, but is not guaranteed by the Company as being accurate nor does it purport to be complete. The forward- looking statements contained in this presentation are made only of this date, and ATA is under no

obligation to revise or update these forward- looking statements.

•This presentation may contain forward- looking statements, and management may make additional forward- looking statements in

response to your questions. Such written and oral disclosures are made pursuant to the Safe Harbor provision of the Private Securities Litigation Reform Act of 1995.

•All statements other than statements of historical fact in this presentation are forward- looking statements, including but not l imited

to, the Company’s ability to raise additional capital to finance the Company’s activities; the effectiveness, profitability, andthe

marketability of its services; the Company’s ability to protect its proprietary information; general economic and business conditions; the volatility of the Company’s operating results and financial condition; the Company’s ability to attract or retain qualified senior management personnel and research and development staff; and other risks detailed in the Company’s filings with the Securities and Exchange Commission. Although we believe our expectations expressed in such forward- looking

statements are reasonable, we cannot assure you that they will be realized. Investors are cautioned that such forward- looking

statements involve risks and uncertainties that could cause actual results to differ materially from the anticipated results, and

therefore we refer you to a more detailed discussion of the risks and uncertainties in the Company’s filings with the Securit ies&

Exchange Commission.

2 www.atai.net.cnNote :AllU.S.dollar amounts inthispresentation, relating tothefinancial results forthefirstquarter ended March 31,2018, areconverted from RMB using anexchange rateof6.2726

RMB :1USD .Allhistorical conversions areaccurate asofthetime reported, unless otherwise noted. The Company reports itsfinancial results under U.S.GAAP inRMB, andall

percentages calculated inthepresentation arebased onRMB unless otherwise noted.OVERVIEW