Effective January 1, 2024, Christopher Stagno was appointed to the position of Interim Chief Financial Officer of Aspen Technology, Inc. (the ?Company?) while the Company searches for a new permanent Chief Financial Officer following Chantelle Breithaupt?s previously announced resignation from the role, effective December 31, 2023. Mr. Stagno, age 49, has served since 2020, and will continue to serve, as the Company?s Senior Vice President, Chief Accounting Officer. Prior to joining the Company in 2020, he served from 2018 to 2020 as Treasurer at Cognex Corporation, a provider of machine vision products, software and sensors used in automated manufacturing.

Before that, he served in various finance roles at Brightcove Inc., a provider of cloud-based services for video, and at Unica, an enterprise marketing software company.