On July 29, 2022, the Board of Directors of Pacific Premier Bancorp, Inc., upon the recommendation of its Nominating and Governance Committee, approved the appointment of Ms. Stephanie Hsieh as a member of the Company's Board of Directors. Ms. Hsieh will also serve on the Board of Directors of Pacific Premier Bank, the Company's wholly-owned bank subsidiary (the Bank"), with both appointments effective July 29, 2022. Ms. Hsieh has accepted an appointment to serve initially as a member of the Company's Compensation and Enterprise Risk Committees.

Ms. Hsieh joined Biocom California, the state's leading non-profit trade association for the life science industry, as Executive Director of the Los Angeles region in 2020. Prior to Biocom California, she co-founded Meditope Biosciences, Inc., a privately-held, preclinical-stage oncology company, where she served as CEO from 2012 to 2020 and where she currently serves as a non-executive director. Ms. Hsieh began her career as an intellectual property attorney, specializing in patent prosecution and litigation, and actively practiced law for a combined fifteen years.

She served in a variety of legal and business roles in the biotechnology and biopharmaceutical industries, including as a senior executive at Impax Laboratories, Inc. from 2007 to 2011. Ms. Hsieh currently serves on the Board of Directors of Meditope Biosciences, Inc. and Sydecar, Inc., a financial technology company. In addition, she is active in the community, currently serving on the Boards of Directors of Girls, Inc., the Forsyth Institute, as Chair of the Wellesley Business Leadership Council, and on the Wellesley College Alumnae Association Board.

Ms. Hsieh graduated magna cum laude and Phi Beta Kappa from Wellesley College, as a Harlan Fiske Stone Scholar from the Columbia University School of Law, and holds a master's degree in business administration from Stanford University's Graduate School of Business.