EDGAR Filing Documents for 0001104659-10-035588

Form CORRESP - Correspondence:

SEC Accession No. 0001104659-10-035588

Filing Date

2010-06-25

Accepted

2010-06-25 15:26:56

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		filename1.htm	CORRESP	21129
2	GRAPHIC	g131681bci001.jpg	GRAPHIC	3059
	Complete submission text file	0001104659-10-035588.txt		26770

Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803

Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000

ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: CORRESP
SIC: 7371 Services-Computer Programming Services