5AM Ventures VI, L.P. bought LTGO

Footnotes

Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date.; The securities are directly held by 5AM Opportunities II, L.P. ("Opportunities II"). 5AM Opportunities II (GP), LLC ("Opportunities II GP") is the general partner of Opportunities II and may be deemed to have sole investment and voting power over the securities held by Opportunities II. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Opportunities II GP and may be deemed to have shared voting and investment power over the securities beneficially owned by Opportunities II. Each of Opportunities II GP, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein.