News Release

Cisco Completes Acquisition of Sentient Networks, Inc.

SAN JOSE, Calif. - June 24, 1999 - Cisco Systems, Inc. today
Jun 24, 1999

SAN JOSE, Calif. - June 24, 1999 - Cisco Systems, Inc. today announced it has completed the acquisition of Sentient Networks, Inc. of Milpitas, California.

On April 8, 1999 Cisco Systems announced a definitive agreement to acquire privately held Sentient Networks, Inc. Sentient Networks has been a pioneer in high density ATM Circuit Emulation Services (CES) technology, which enables carriers to efficiently transport circuit-based private line services across packet-based ATM networks.The transaction will be accounted for as a pooling of interests.

Cisco Systems

Cisco Systems, Inc. (NASDAQ:CSCO) is theworldwide leader in networking for the Internet.

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This release may contain forward-looking statements that involve risks and uncertainties. These statements may differ materially from actual future events or results. Readers are referred to the documents filed by Cisco with the SEC, specifically the most recent reports on Form 10-K and 10-Q, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements, including potential fluctuations in quarterly results, dependence on new product development, rapid technological and market change, acquisition strategy, manufacturing risks, risks associated with the Internet infrastructure, volatility of stock price, financial risk management and future growth subject to risks.