Insight Enterprises, Inc. to Release Third Quarter 2009 Financial Results on November 4, 2009

Insight Enterprises, Inc. (Nasdaq: NSIT) (the “Company”) today announced that it will release financial results for the quarter ended September 30, 2009 following the close of the market on Wednesday, November 4, 2009. The Company will host a corresponding conference call and live webcast at 5:00 p.m. ET to discuss the results of operations. The live webcast (in listen-only mode) and subsequent replays of the conference call will be available online on the investor relations section of our website, insight.com, at https://www.insight.com/pages/investor_relations.web?source=investorrelations.

About Insight

Insight Enterprises, Inc. is a leading provider of brand-name information technology ("IT") hardware, software and services to large enterprises, small- to medium-sized businesses and public sector institutions in North America, Europe, the Middle East, Africa and Asia-Pacific. The Company has more than 4,000 teammates worldwide and generated sales of $4.8 billion for its most recent fiscal year, which ended December 31, 2008. Insight is ranked number 484 on Fortune magazine's 2009 'Fortune 500' list. For more information, please call (480) 902-1001 in the United States or visit www.insight.com.