On March 3, 2023, the Board of Directors of Rubicon Technology, Inc. appointed Dennis Paul, 50, as an independent director. Mr. Paul will serve as a Class II director with a term expiring at the Company's 2024 Annual Meeting of Stockholders. Since 2012, Mr. Paul has served as a Founder and Managing Member of Thyra Global Management and since 2018 has served as a Senior Advisor at Blackstone.