TPG GP A, LLC sold ODTX

Footnotes

Pursuant to the Eighth Amended and Restated Certificate of Incorporation (the "Certificate of Incorporation") of the Issuer, as amended, the shares of Series D Preferred Stock of the Issuer (the "Preferred Stock") directly held by TPG Orazio I automatically converted into shares of Common Stock upon consummation of the Issuer's initial public offering on May 11, 2026 at a conversion rate (as adjusted for a reverse stock split) equal to one share of Common Stock per 9.7170 shares of Preferred Stock. The shares of Preferred Stock had previously been convertible, at the option of the holder, at any time into shares of Common Stock.; Each of James G. Coulter and Jon Winkelried own entities that control TPG GP A, LLC (together with Messrs. Coulter and Winkelried, the "Reporting Persons"), which exercises direct or indirect control over entities that collectively hold 100% of the shares of Class B common stock (which represents a majority of the combined voting power of the common stock) of TPG Inc., which is the sole member of TPG GPCo, LLC, which is the sole member of TPG Holdings II-A, LLC, which is the general partner of TPG Operating Group II, L.P., which is the sole member of TPG Holdings I-A, LLC, which is the general partner of TPG Operating Group I, L.P., which is the sole member of TPG LSI GenPar Advisors, LLC, which is the general partner of TPG LSI GenPar, L.P., which is the sole member of TPG LSI SPV GP, LLC.; TPG LSI SPV GP, LLC is the general partner of each of (i) TPG LSI Rise Orazio, L.P. ("TPG Orazio I"), which directly holds 2,301,257 shares of Common Stock ("Common Stock") of Odyssey Therapeutics, Inc. (the "Issuer"), and (ii) TPG LSI Rise Orazio II, L.P. ("TPG Orazio II" and, together with TPG Orazio I, the "TPG Funds"), which directly holds 1,388,889 shares of Common Stock.; Because of the relationship between the Reporting Persons and the TPG Funds, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of the greater of their respective direct or indirect pecuniary interests in the profits or capital accounts of the TPG Funds. Each of the TPG Funds and each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such TPG Fund's or such Reporting Person's pecuniary interest therein, if any.; Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.