Amended and Restated Credit Agreement dated as of December 23, 2019, among Aspen Technology, Inc., as borrower, the lenders party thereto, JPMorgan Chase Bank, N.A., as administrative agent, joint lead arranger and joint bookrunner, Silicon Valley Bank, as joint lead arranger, joint bookrunner and syndication agent, and Citibank N.A., Citizens Bank, N.A., TD Bank, N.A. and Wells Fargo Bank, N.A., as co-documentation agents