As of the date hereof, YZi Labs Management directly beneficially owns 2,150,481 shares of common stock, par value $0.00001 per share (the “Common Stock”). As of the date hereof, YZi Labs Management holds (i) 7,750,510 shares of Common Stock underlying certain Pre-Funded Warrants (the “Pre-Funded Warrants”), (ii) 9,900,991 shares of Common Stock underlying certain Stapled Warrants (the “Stapled Warrants”) and (iii) 3,564,359 shares of Common Stock underlying certain Strategic Advisor Warrants (the “Strategic Advisor Warrants”). Each of the Pre-Funded Warrants, the Stapled Warrants and the Strategic Advisor Warrants either provide that, or the holder has elected that, the holder shall not have the right to exercise any portion of any such warrants to the extent that after giving effect to such issuance after exercise, such holder and certain of its affiliates would be deemed to beneficially own, as determined in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, more than 4.99% of the Company’s then outstanding shares of Common Stock (the “Beneficial Ownership Limitations”). As of the date hereof, none of YZi Labs Management’s Pre-Funded Warrants, Stapled Warrants or Strategic Advisor Warrants are currently exercisable, and are not expected within 60 days to be exercisable due to the Beneficial Ownership Limitations. Mr. Zhao, as the sole director of YZi Labs Management, may be deemed the beneficial owner of the 2,150,481 shares of Common Stock directly owned by YZi Labs. As of the date hereof, Ms. He may be deemed to beneficially own 2,099,644 shares of Common Stock, including 1,188,120 shares of Common Stock underlying certain Stapled Warrants, and Mr. Odagiu may be deemed to beneficially own 4,918 shares of Common Stock. As of the date hereof, each of Messrs. Baucus, Chapman and Roszak, and Msses. Goody Guillen and Zhang do not beneficially own any shares of Common Stock.