CONSOLIDATED STATEMENT OF STOCKHOLDER’S EQUITY Aspen Technology, Inc. and Subsidiaries Consolidated Statements Stockholder’s Equity Additional Number of Carrying Number of $0.10 Par Paid-in  Shares Value Shares Value Capital (In thousands, except share data) Balance, July 1, 2000 — $—  29,060,428 $2,906 $173,591 Issuance of stock in the purchase of businesses and equity investment — — 1,255,782 126 37,151 Issuance of common stock under employee stock purchase plans — — 174,463 17 4,693 Exercise of stock options and warrants — — 991,751 99 11,802 Translation adjustment, not tax effected — — — — — Unrealized market gain on investments, net of tax effect — — — — — Issuance of restricted common stock — — 94,500 9 1,739 Amortization of deferred compensation — — — — — Net Loss — — — — — Comprehensive net loss for the year ended June 30, 2001 Balance, June 30, 2001 — — 31,576,924 3,157 228,976 Issuance of common stock under employee stock purchase plans — — 313,337 31 5,275 Exercise of stock options and warrants — — 185,625 19 1,600 Issuance of Series B convertible preferred stock and common stock warrants, net of issuance costs 60,000 48,544 — — 8,044 Beneficial conversion feature embedded in Series B convertible preferred stock — (3,232) — — 3,232 Issuance of common stock and common stock warrants, net of issuance costs — — 4,166,665 417 47,539 Issuance of common stock in settlement of obligation subject to common stock settlement — — 1,641,672 164 18,336 Return of escrowed shares issued to Optimum Logistics Ltd — — (58,540) (6) (2,084) Reversal of unvested and forfeited restricted common stock — — (94,500) (9) (1,739) Accretion of discount on Series B convertible preferred stock — 5,441 — — — Accrual of Series B convertible preferred stock dividend — — — — 860 Translation adjustment, not tax effected — — — — — Unrealized market gain on investments, net of tax effect — — — — — Amortization of deferred compensation — — — — — Net Loss — — — — — Comprehensive net loss for the year ended June 30, 2002 Balance, June 30, 2002 60,000 50,753 37,731,183 3,773 310,039 Issuance of common stock under employee stock purchase plans — — 759,771 76 3,217 Exercise of stock options — — 56,934 6 144 Issuance of common stock in settlement of Series B convertible preferred stock dividend — — 731,380 74 (74) Accrual of Series B convertible preferred stock dividend — — — — 2,400 Accretion of discount on Series B convertible preferred stock — 6,784 — — — Modification of Series B convertible preferred stock (60,000) (57,537) — — — Reacquisition of common shares issued to CPU — — — — — Translation adjustment, not tax effected — — — — — Unrealized market gain on investments, net of tax effect — — — — — Net Loss — — — — — Comprehensive net loss for the year ended June 30, 2003 Balance, June 30, 2003 — $— 39,279,268 $3,929 $315,726 Series B Convertible Preferred Stock Common Stock 34