Exhibit 99.9 ASPEN TECHNOLOGY, INC. CONFERENCE CALL REGARDING BALANCE SHEET STRENGTHENING 6/02/03 SAFE HARBOR STATEMENT Some of the information and comments in this presentation may contain forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicated by such forward-looking statements include the risks set forth under the caption "Risk Factors" in our 10K, 10Q and 8-K filed with the SEC. 2 SOURCES AND USES ($ MILLIONS) <Table> <Caption> Sources Uses - ------------------------------------- ------------------------------------- Series D Pfd. (new $ in) $100.0 Conv. Sub Debs $ 45.0* Series B Pfd. (Cash) 30.0 Fees/Expenses (est.) 10.0 Working Capital 15.0 - ------------------------------------- ------------------------------------- Total Sources $100.0 Total Uses $100.0 </Table> o IN ADDITION, $21 MM OF SERIES D PREFERRED STOCK WILL BE EXCHANGED FOR $21 MM OF SERIES B PREFERRED STOCK. THE PREFERRED B STOCK WILL BE FULLY RETIRED. * The company's projections for its use of capital represents an expected use of funds, but actual allocation may differ. The company expects to use up to, but no more than $45.5 million for the re-purchase of convertible bonds. The bonds will be re-purchased at prices that are attractive to the company. 3 IMPACT OF PROPOSED RESTRUCTURING o Removes customer and investor obstacles o Eliminates near-term liquidity risk, potentially onerous conditions o Dilutes common shareholders in the short-term o Paves way forward for appreciation in value o Enables management to focus on strategy and execution 4 KEY TERMS: SERIES D PREFERRED SHARES o Convert. at $3.33/share o 8% dividend, accrued o Payable in cash or stock at AZPN's option o Company can elect to accrue dividends through redemption/conversion o 7.3 million warrants at $3.33/share o 50% redeemable by holders 2009 & 2010 o Redeemable by AZPN in 2006 if shares trade above $7.60 (45 days) o Standard anti-dilution, reg. rights, etc. o Advent appoints up to 4 of 9 directors (2 Advent Partners, 2 Independent) 5 ANTICIPATED TIMING o File proxy (mid June) o Mail proxy (late June/early July) o Meetings w/investors, webcast (July) o Q4 results & shareholder vote (August) o Closing 6 WHAT WE'RE NOT CHANGING! o Drive for attractive growth, profitability o Commitment to customers o Solution focus, market leadership o Product excellence, quality reputation o Game plan, loyal employees, executive team 7 THE WAY FORWARD o Eliminates balance sheet uncertainties o Removes obstacles for customers, investors o Prevents potentially onerous conditions o Improves cash flow o Reveals true underlying equity value o Refocuses management energy on execution 8