FOR IMMEDIATE RELEASE                          CONTACT: Rod Dorsey
                                                        Predictive Systems, Inc.
                                                        212-659-3468



       PREDICTIVE SYSTEMS COMPLETES SYNET SERVICE CORPORATION ACQUISITION

         New York, NY - October 17, 2000 - Predictive Systems, Inc. (NASDAQ:
PRDS), a leading network infrastructure consulting firm, today announced that
the closing of its previously announced acquisition of Synet Service
Corporation, a Minneapolis-based consulting firm, was completed today. Pursuant
to this acquisition, Predictive Systems issued approximately 2,161,921 common
shares and paid approximately $8,381,079 million in cash in exchange for all
outstanding Synet shares and outstanding options.

About Synet Service Corporation

Synet Service Corporation is a network and systems management consulting firm
that works with leading organizations to cost-effectively improve the
availability and reliability of e-commerce applications and network
infrastructure. Synet's practice areas include network and systems management,
asset management, problem and fulfillment management, and knowledge management.

About Predictive Systems

Predictive Systems, Inc. (NASDAQ: PRDS) is a leading network infrastructure
consulting firm focused on building fast, reliable, secure networks for service
providers and global enterprises. The firm's BusinessFirst approach maps
technology solutions to business goals. Predictive Systems' clients include Bear
Stearns, Cisco Systems, DLJdirect, First Union National Bank, Pfizer, Qwest
Communications, and WorldCom. Headquartered in New York City, Predictive Systems
has regional offices throughout the United States. In Europe, it has offices in
London and Amsterdam.

For additional information, please contact Predictive Systems at 1-800-770-4958
or visit its home page at www.predictive.com.

Predictive Systems, the Predictive Systems logo, BusinessFirst, e-frastructure,
e-readiness, and e-xplain are trademarks or registered trademarks of Predictive
Systems, Inc. All other brands or product names are trademarks or registered
trademarks of their respective companies.

This press release contains statements of a forward-looking nature relating to
future events or future financial results of Predictive Systems. Investors are
cautioned that such statements are only predictions and that actual events or
results may differ materially. In evaluating such statements, investors should
specifically consider various factors that could cause actual events or results
to differ materially from those indicated from such forward-looking statements,
including the matters set forth in Predictive Systems' reports, Predictive
Systems' ability to integrate the operations of Synet into its operations,
Predictive Systems' ability to realize the expected benefits from the
acquisition, Predictive Systems' ability to maintain its position in the
industry and other documents filed from time to time with the Securities and
Exchange Commission.

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