Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - ARENA PHARMACEUTICALS INCFinancial_Report.xls
EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER - ARENA PHARMACEUTICALS INCd268596dex311.htm
EX-23.2 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - ARENA PHARMACEUTICALS INCd268596dex232.htm
EX-23.1 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - ARENA PHARMACEUTICALS INCd268596dex231.htm
EX-32.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER - ARENA PHARMACEUTICALS INCd268596dex321.htm
EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER - ARENA PHARMACEUTICALS INCd268596dex312.htm
EX-3.8 - CERTIFICATE OF DESIGNATIONS - ARENA PHARMACEUTICALS INCd268596dex38.htm
10-K - FORM 10-K - ARENA PHARMACEUTICALS INCd268596d10k.htm
EX-10.36 - AMENDMENT NO.5 TO THE TOLL MANUFACTURING AGREEMENT - ARENA PHARMACEUTICALS INCd268596dex1036.htm

Exhibit 21.1

Significant Subsidiaries of Arena Pharmaceuticals, Inc.

As of December 31, 2011

API Development LTD, a company incorporated in the Cayman Islands with limited liability

Arena Pharmaceuticals GmbH, a limited liability company organized under the laws of Switzerland and having its domicile in Zofingen