Zymeworks Cautionary Note Regarding Forward-Looking Statements This press release includes "forward-looking statements" or information within the meaning of the applicable securities legislation, including Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements in this press release include, but are not limited to, statements that relate to the potential therapeutic effects and commercial potential of zanidatamab and Zymeworks' other product candidates; the anticipated benefits of the partnerships with Jazz and BeiGene; the timing and status of ongoing and future studies and the related data; the commercial potential of zanidatamab and Zymeworks' and its collaborators' ability to obtain regulatory approval of and successfully commercialize zanidatamab; anticipated interactions and filings with regulators and the results thereof; and other information that is not historical information.