On September 5, 2023, Aspen Aerogels, Inc. issued a press release regarding the retirement of Kelley Conte, Senior Vice President, Human Resources, from Aspen and the appointment of Stephanie Pittman as Chief Human Resources Officer, effective September 5, 2023. With over 25 years of business-oriented global human resources experience, Ms. Pittman brings a broad range of skills and expertise to Aspen. She previously served as the Executive Vice President and Chief Human Resources Officer at Excelitas Technologies Corporation.

Prior to Excelitas, Ms. Pittman was a senior human resources executive at Boston Scientific, where she served in a number of HR leadership roles during a 12-year tenure, including leading HR for the EMEA region and the global operations organization and oversight of the global talent management, HR strategy and planning, and HR operations functions. Before joining Boston Scientific, Ms. Pittman held roles at Covidien (now Medtronic) and The New York Times Companies, as a business transformation consultant, and director of various HR, program management and business transformation programs, respectively. Ms. Pittman is a graduate of Syracuse University, B.A., and holds a J.D. from Suffolk Law School as well as an M.B.A. from Suffolk Sawyer School of Business.

Ms. Pittman will join the Company on September 5, 2023, and will transition into her new role with the support of her predecessor, Ms. Conte, who intends to retire following eight years of dedicated service to Aspen. Ms. Conte will step down from her role effective September 5, 2023.