EDGAR Filing Documents for 0001104659-11-069460

Form CORRESP - Correspondence:

SEC Accession No. 0001104659-11-069460

Filing Date

2011-12-14

Accepted

2011-12-14 17:19:54

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		filename1.htm	CORRESP	90357
2	GRAPHIC	g316321bci001.jpg	GRAPHIC	3062
	Complete submission text file	0001104659-11-069460.txt		95592

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