Connect Biopharma CBP-201 Atopic Dermatitis Abstracts from Two Trials Accepted for Presentation at the American Academy of Dermatology (AAD) Annual Meeting

CBP-201 global AD data accepted as an e-Poster with an Oral Presentation

CBP-201 China AD trial data accepted as a late-breaking Oral Presentation

Connect Biopharma Holdings Limited (Nasdaq: CNTB) (Connect Biopharma or the Company), a global clinical-stage biopharmaceutical company developing T cell-driven therapies to treat inflammatory diseases, today announced that two abstracts from its CBP-201 clinical development program in atopic dermatitis (AD) have been accepted for presentation at the American Academy of Dermatology (AAD), March 17-21, 2023, in New Orleans, LA. Specifically, data from the Phase 2b CBP-201 global trial in moderate-to-severe AD will be presented as an online e-poster with an oral presentation. Data from stage 1 of the ongoing pivotal CBP-201 China trial in moderate-to-severe AD has been accepted as a late-breaking abstract for oral presentation.

Online e-Poster with Oral Presentation

“Rapid and Sustained Improvements with CBP-201 Across All Body Regions: Treatment of Atopic Dermatitis in a Phase 2b, Randomized, Double-blind, Placebo-controlled Trial (CBP-201-WW001)”

Online Oral Presentation and e-Poster: March 17, 2:30-2:35 PM Central Time

Abstract: #4448

Late-Breaker Oral Presentation

“CBP-201, a next-generation IL-4Rα antibody, achieved all primary and secondary efficacy endpoints in the treatment of adults with moderate-to-severe atopic dermatitis (AD): A randomized, double-blind, pivotal trial in China (CBP-201-CN002)”

March 18, 2023, 1:40 PM – 1:50 PM Central Time, New Orleans Ernest N. Morial Convention Center Theater B

“We are delighted that abstracts from our global and China-only CBP-201 trials in atopic dermatitis have been accepted by the AAD for oral presentation, and in particular that our China trial data was granted the late-breaking abstract distinction,” said Zheng Wei, Ph.D., Co-founder and CEO of Connect Biopharma. “We look forward to sharing our AD data, which we believe will continue to demonstrate CBP-201 differentiation, at this prestigious conference.”

About Connect Biopharma Holdings Limited

Connect Biopharma is a global, clinical-stage biopharmaceutical company applying its expertise in T cell biology and deep knowledge of the drug discovery industry to develop innovative therapies to treat chronic inflammatory diseases with the goal of improving the lives of millions of those affected around the world. The Company is building a rich pipeline of proprietary small molecules and antibodies, using functional T cell assays, to screen and discover potent product candidates against validated immune targets. The Company’s lead product candidate, CBP-201, is an antibody designed to target interleukin-4 receptor alpha (IL-4Rα) in development for the treatment of atopic dermatitis (AD) and asthma. The Company’s second most advanced product candidate, CBP-307, is a modulator of S1P1 T cell receptor and is in development for the treatment of ulcerative colitis (UC). The Company’s third product candidate, CBP-174, is a peripherally acting antagonist of histamine receptor 3, in development for the treatment of pruritus associated with AD.

For more information, please visit: https://www.connectbiopharm.com/

Forward-Looking Statements

Connect Biopharma cautions that statements included in this press release that are not a description of historical facts are forward-looking statements. Words such as “may,” “could,” “will,” “would,” “should,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “intend,” “predict,” “seek,” “contemplate,” “potential,” “continue” or “project” or the negative of these terms or other comparable terminology are intended to identify forward-looking statements. These statements include the Company’s plans to advance the development of its product candidates, the timing of achieving any development or regulatory milestones or whether such milestones will be achieved, and the potential of such product candidates, including to achieve any benefit, differentiation or profile or any product approval or be effective. The inclusion of forward-looking statements should not be regarded as a representation by Connect Biopharma that any of its plans will be achieved. Actual results may differ materially from those set forth in this release due to the risks and uncertainties inherent in the Company’s business and other risks described in the Company’s filings with the Securities and Exchange Commission (SEC), including the Company’s Annual Report on Form 20-F filed with the SEC on March 31, 2022, and its other reports. Investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Connect Biopharma undertakes no obligation to revise or update this news release to reflect events or circumstances after the date hereof. Further information regarding these and other risks is included in Connect Biopharma’s filings with the SEC which are available from the SEC’s website (www.sec.gov) and on Connect Biopharma’s website (www.connectbiopharm.com) under the heading “Investors.” All forward-looking statements are qualified in their entirety by this cautionary statement. This caution is made under the safe harbor provisions of Section 21E of the Private Securities Litigation Reform Act of 1995.

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