PLIANT THERAPEUTICS, INC.

This Annual Report on Form 10-K, or this Report, contains forward-looking statements that involve risks, uncertainties, and assumptions that, if they never materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. The statements contained in this Report that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act. Forward-looking statements are often identified by the use of words such as, but not limited to, “anticipate,” “believe,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “will,” “would” or the negative of those terms, and similar expressions that convey uncertainty of future events or outcomes. Any statements contained herein that are not statements of historical facts may be deemed to be forward-looking statements. Forward-looking statements in this Report include, but are not limited to, express or implied statements about:

•The success, cost and timing of our product development activities, preclinical and clinical trials of our product candidates;

•Our plans to initiate, recruit and enroll patients in, and conduct our clinical trials at the pace that we project;

•Our plans and strategy to obtain and maintain regulatory approvals of our product candidates;

•Our plans and strategy to obtain funding for our operations, including funding necessary to complete further development and, upon successful development, if approved, commercialize any of our product candidates;

•The effect and impact of new, existing and proposed laws and regulations;

•The potential benefit of orphan drug and Fast Track designations for our product candidates;

•Our ability to compete with companies currently marketing or engaged in the development of integrin-based therapeutics;

•Our plans and strategy regarding obtaining and maintaining intellectual property protection for our product candidates and the duration of such protection;

•Our plans and strategy regarding the manufacture of our product candidates for clinical trials and for commercial use, if approved;

•Our ability to enter into successful new collaborations;

•Our dependence on future collaborators for developing, obtaining regulatory approval for and commercializing product candidates in the collaboration;

•Our receipt and timing of any milestone payments or royalties under any future research collaboration or license agreements or arrangements;

•Our plans and strategy regarding the commercialization of any products that are approved for marketing and our ability to establish adequate pricing in the U.S. and international markets;

•The size and growth potential of the markets for our product candidates, and our ability to serve those markets, either alone or in combination with others;

•Our expectations regarding government and third-party payor coverage and reimbursement; and

•Our expectations of obtaining a positive health technology assessment recommending our products.

These statements are based on the beliefs and assumptions of our management, which are in turn based on information currently available to management. Such forward-looking statements are subject to risks, uncertainties and other important factors that could cause actual results and the timing of certain events to differ materially from future results and timing expressed or implied by such forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed in the section entitled “Risk Factors” included under Part I, Item 1A in this Report. Furthermore, such forward-looking statements speak only as of the date of this Report. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.