Sidney D. Rosenblatt, Chair of the Board of Directors

Sidney D. Rosenblatt has been a member of the Board of Directors since May 1996, and Chair of the Board of Directors since June 2023. After a brilliant and remarkable 26 years of building and shaping Universal Display Corporation from a three-person startup to a successful global leader that continues to be at the forefront of the OLED industry, Mr. Rosenblatt retired from his roles as Executive Vice President, Chief Financial Officer, Treasurer and Secretary of UDC at the end of 2022. Previously, Mr. Rosenblatt was the owner of S. Zitner Company from August 1990 through August 2010 and served as its President from August 1990 through December 1998. From May 1982 to August 1990, Mr. Rosenblatt served as the Senior Vice President, Chief Financial Officer and Treasurer of InterDigital. Mr. Rosenblatt is also on the Board of Managers of the Overbrook School for the Blind.