Phase 2 COACH Trial Topline Week 52 Data January 8, 2026 Treatment with TransCon CNP and TransCon hGH combination therapy is investigational. For investor communication only. Not for use in product promotion. Not for further distribution. Cautionary Note on Forward-Looking Statements This presentation contains forward-looking statements. All statements other than statements of historical facts contained in this presentation, such as statements regarding TransCon hGH's ability to complement TransCon CNP's ho ...

Combination treatment with investigational TransCon CNP and TransCon hGH is investigational. For investor communication only. Not for use in product promotion. Not for further distribution. COACH Trial Interim Topline Week 26 Data June 9, 2025 Cautionary Note on Forward-Looking Statements 2 Combination treatment with investigational TransCon CNP and TransCon hGH is investigational. For investor communication only. Not for use in product promotion. Not for further distribution. Executive Summary This present ...