Press Release

Aspen Technology Announces Date of First-Quarter Fiscal 2018 Financial Results Release, Conference Call and Webcast

October 13, 2017

Bedford, Mass. – October 13, 2017 – Aspen Technology, Inc. (NASDAQ: AZPN), the asset optimization software company, today announced that it will release financial results for its first-quarter fiscal 2018, ended September 30, 2017, after the U.S. financial markets close on Thursday, October 26, 2017.

In conjunction with this announcement, AspenTech will host a conference call and webcast on October 26, 2017 at 4:30 p.m. (Eastern Time) to discuss the company's financial results, business outlook, and related corporate and financial matters.

The live dial-in number is (866) 604-6127 or (443) 961-0460, conference ID code 98608997. Interested parties may also listen to a live webcast of the call by logging on to the Investor Relations section of AspenTech’s website, http://www.aspentech.com/corporate/investor.cfm, and clicking on the “webcast” link. A replay of the call will be archived on AspenTech’s website and will also be available via telephone at (855) 859-2056 or (404) 537-3406, conference ID code 98608997, through November 26, 2017.

About AspenTech

AspenTech is a leading software supplier for optimizing asset performance. Our products thrive in complex, industrial environments where it is critical to optimize the asset design, operation and maintenance lifecycle. AspenTech uniquely combines decades of process modeling expertise with big data machine learning. Our purpose-built software platform automates knowledge work and builds sustainable competitive advantage by delivering high returns over the entire asset lifecycle. As a result, companies in capital-intensive industries can maximize uptime and push the limits of performance, running their assets faster, safer, longer and greener. Visit AspenTech.com to find out more.

© 2017 Aspen Technology, Inc. AspenTech, aspenONE, the Aspen leaf logo, and OPTIMIZE are trademarks of Aspen Technology, Inc. All rights reserved. All other trademarks are property of their respective owners.

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