Advertising and Business

Owner

HEALTHWORLD CORPORATION

May 1, 2001

Telecommunications

Owner

HEALTHWORLD CORPORATION

—

Advertising and Business

Owner

HEALTHWORLD CORPORATION

—

Electrical and Scientific Apparatus and 4 others

Owner

HEALTHWORLD CORPORATION

—

Advertising and Business

Owner

HEALTHWORLD CORPORATION

—

Advertising and Business

Owner

HEALTHWORLD CORPORATION

Sep 26, 2000