NE Technologies Inc.

NE Technologies, Inc. will continue to market, sell support, and maintain DSET's TMN-compliant application development tools, the TMN Agent Tool Suite, and the TMN Manager++ Tool Suite worldwide except for China, Taiwan, and Singapore. DSET and NE Technologies, which is based in Atlanta, Georgia, are working to provide all pertinent information and services to current and new clients so that product support continues uninterrupted during the transition. Inquiries should be directed to NE Technologies, Inc. at admin@netechinc.com or support@netechinc.com. They can also be reached by calling (770) 453-9190. Visit NE Technologies on the Web at www.netechinc.com.

Chengdu TM Network Technology Co., Ltd.

In January 2001, DSET completed the sale of its wholly owned subsidiary, Chengdu DSET Science and Technology Development, Ltd. As part of this sale, Chengdu TM Network Technology Co., Ltd. acquired a license for sales, support, development, and maintenance of DSET's TMN tools products within China, Taiwan and Singapore. Inquiries for Chengdu TM Network Technology should be directed to Ms. Chen Hua, Suite A-C, 6/F, Building C, Bi-Pacific Plaza, No. 58, North Kehua Road, Chengdu, 610041, China. E-mail inquiries should be sent to Ms. Maggie Shu at maggie_shu@chinatmn.com. At present, more information about Chengdu TM Network Technology can also be found on the Web at www.dset.com.cn.