News Release

CapRock Communications, Cisco Systems Sign Service Provider Alliance

Companies Combine Resources to Increase Business Opportunities in the outhwestern U.S.
Aug 02, 1999

DALLAS, Texas. - August 2, 1999 - CapRock Communications, Corp. (NASDAQ:CPRK), a Southwestern facilities-based integrated communications provider (ICP), has become the newest member of Cisco Systems Inc.'s (NASDAQ: CSCO) Service Provider Alliance program, joining a select group of the world's top tier communications companies.

Cisco's Alliance program is designed to help service provider customers develop innovative approaches to service creation, market new services and define technical requirements for future products. Through joint marketing, CapRock and Cisco, the worldwide leader in networking for the Internet, will join resources to develop data products and solutions for small to medium-sized businesses based in the Southwestern U.S. with an additional focus on enterprise customers such as those in oil and gas, insurance, medical, educational, financial and transportation markets.

CapRock was recently certified for the Cisco Powered Network (CPN) program. This certification communicates to CapRock's customers that CapRock services deliver the performance required for today's integrated communications applications.

"Becoming a Cisco Service Provider Alliance program and CPN member provides CapRock access to a new avenue of resources, technical expertise and industry insight from Cisco that can be used to increase our service and product offerings," said CapRock President Ignatius Leonards.

"Cisco and CapRock share a common vision that recognizes that a strong relationship between the two companies will facilitate CapRock's ability to deliver New World IP services leading to an acceleration of new service revenue," said Cisco's director of service provider marketing, Jeff Spagnola. "A collaboration such as this often leads to innovation in services and technology for customers served by CapRock."

CapRock's advanced fiber optic network is designed to support the bandwidth requirements of the 21st century. The 6,100-mile six-state fiber network will enable carriers, business and residential customers in the Southwestern U.S. to communicate via New World integrated data, voice, video and Internet access services at higher speeds and lower costs. CapRock's high-performance Cisco Powered Network demonstrates CapRock's emphasis on and ability to provide industry-leading technology and services, thereby creating a New World communications infrastructure on which their customers can rely.

About CapRock

CapRock is a regional facilities-based ICP offering local, long-distance, ATM, frame relay, private line, high-speed Internet, and enhanced data services tailored to business and retail customers. The company also provides switched and dedicated access, domestic and international long-distance, bandwidth and dark fiber to carrier customers.

Cisco Systems

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

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