definiens: of Ultragenyx means if : ( a ) any Third Party acquires directly or indirectly the beneficialownership of any voting security of Ultragenyx, or if the percentage ownership of such person or entity in the voting securities ofUltragenyx is increased through stock redemption, cancellation or other recapitalization, and immediately after such acquisition orincrease such Third Party is, directly or indirectly, the beneficial owner of voting securities representing [ * * * ] of the total votingpower of all of the then- outstanding voting securities of Ultragenyx ; ( b ) [ * * * ], which would result in stockholders or equity holders ofUltragenyx, or an Affiliate of Ultragenyx, immediately prior to such transaction [ * * * ] of the surviving entity ( or its parent entity)immediately following such transaction ; ( c ) the stockholders or equity holders of Ultragenyx approve [ * * * ], other than pursuant tothe transaction as described above or to an Affiliate ; or ( d ) the sale or other transfer to a Third Party of [ * * * ]