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Beginning end-of-day June 15, 2018, ANSYS will observe a Quiet Period during which the business outlook as provided in this press release and the most recent Annual Report on Form 10-K and Quarterly Report on Form 10-Q no longer constitutes the Company's current expectations. During the Quiet Period, the business outlook in these documents should be considered historical, speaking as of prior to the Quiet Period only and not subject to any update by the Company. During the Quiet Period, ANSYS' representatives will not comment on ANSYS' business outlook, financial results or expectations. The Quiet Period will extend until the day when ANSYS' second quarter 2018 earnings release is published, which is currently scheduled for August 6, 2018.