AspenTech Will Not Revise Offer for KBC

Aspen Technology, Inc.

announced today that it does not intend to revise its offer of 185 pence for each share of KBC Advanced Technologies plc ("KBC") which was announced on January 12, 2016. Earlier today, KBC issued an announcement stating it has agreed to accept an acquisition offer of 210 pence per share from Yokogawa Electric Corporation. Supporting QuoteAntonio Pietri, President & CEO, AspenTech"While we had looked forward to the combination of AspenTech and KBC, we believe our proposed purchase price of 185p represented full and fair value. As with every aspect of our business, AspenTech takes a disciplined approach when assessing potential acquisitions."