ASLAN PHARMACEUTICALS RESUMES RECRUITMENT OF NEW PATIENTS INTO ASLAN004 STUDY

Interim, unblinded data from all 3 dose cohorts in MAD study expected in 4Q 2020

Singapore, 24 August 2020 – ASLAN Pharmaceuticals (Nasdaq:ASLN, TPEx:6497), a clinical-stage immunology and oncology focused biopharmaceutical company developing innovative treatments to transform the lives of patients, today announced the resumption of patient recruitment into its randomised, double-blind, placebo-controlled multiple ascending dose (MAD) study of ASLAN004 in moderate to severe atopic dermatitis.

ASLAN paused recruitment of new patients on 13 April 2020 in line with government restrictions enforced in Singapore to contain the spread of the coronavirus disease (COVID-19). Patients are now being recruited into the second of three dose cohorts at all screening sites in Singapore. To accelerate recruitment, ASLAN is in the process of opening additional study sites in Australia and the US.

ASLAN expects to report interim, unblinded data from all 3 dose cohorts in 4Q 2020.

About ASLAN Pharmaceuticals ASLAN Pharmaceuticals (Nasdaq:ASLN, TPEx:6497) is a clinical-stage immunology and oncology focused biopharmaceutical company developing innovative treatments to transform the lives of patients. Led by a senior management team with extensive experience in global development and commercialisation, ASLAN has a clinical portfolio comprised of a first in class monoclonal therapy, ASLAN004, that is being developed in atopic dermatitis and other immunology indications, and a small molecule inhibitor targeting oncology. ASLAN’s partners include Almirall, Array BioPharma, Bristol-Myers Squibb, and CSL. For additional information please visit www.aslanpharma.com.