VeriSign (VRSN)

Network Connectivity and Interoperability Services

Through VeriSign’s network connectivity and interoperability services, VeriSign provides SS7 Connectivity and Signaling, Seamless Roaming for Wireless and Intelligent Database and Directory Services which provides for connections and services that signal and route information within and between telecommunication carrier networks.

SS7 Connectivity and Signaling.    Network connectivity revenues are derived from establishing and maintaining connection to VeriSign’s SS7 network and trunk signaling services. Revenues from network connectivity consist primarily of monthly recurring fees, along with trunk signaling service fees, which are charged and recognized monthly based on the number of switches to which a customer signals.

Wireless Roaming.    Wireless roaming revenues are derived from enabling service providers to offer wireless data roaming to their subscribers. Revenues from wireless account management services and unregistered wireless roaming services are based on the revenue retained by VeriSign and recognized in the period in which such calls are processed on a per-minute or per-call basis.

Network Connectivity and Interoperability Services

Through VeriSign’s network connectivity and interoperability services, VeriSign provides SS7 Connectivity and Signaling, Seamless Roaming for Wireless and Intelligent Database and Directory Services which provides for connections and services that signal and route information within and between telecommunication carrier networks.

SS7 Connectivity and Signaling. Network connectivity revenues are derived from establishing and maintaining connection to VeriSign’s SS7 network and trunk signaling services. Revenues from network

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Table of Contents

VERISIGN, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

(Unaudited)

connectivity consist primarily of monthly recurring fees, along with trunk signaling service fees, which are charged and recognized monthly based on the number of switches to which a customer signals.

Wireless Roaming. Wireless roaming revenues are derived from enabling service providers to offer wireless data roaming to their subscribers. Revenues from wireless account management services and unregistered wireless roaming services are based on the revenue retained by VeriSign and recognized in the period in which such calls are processed on a per-minute or per-call basis.

Network Connectivity and Interoperability Services

Through VeriSign’s network connectivity and interoperability services, VeriSign provides SS7 Connectivity and Signaling, Seamless Roaming for Wireless and Intelligent Database and Directory Services which provides for connections and services that signal and route information within and between telecommunication carrier networks.

SS7 Connectivity and Signaling. Network connectivity revenues are derived from establishing and maintaining connection to VeriSign’s SS7 network and trunk signaling services. Revenues from network connectivity consist primarily of monthly recurring fees, along with trunk signaling service fees, which are charged and recognized monthly based on the number of switches to which a customer signals.

Wireless Roaming. Wireless roaming revenues are derived from enabling service providers to offer wireless data roaming to their subscribers. Revenues from wireless account management services and unregistered wireless roaming services are based on the revenue retained by VeriSign and recognized in the period in which such calls are processed on a per-minute or per-call basis.

Network Connectivity and Interoperability Services

Through VeriSign’s network connectivity and interoperability services, VeriSign provides SS7 Connectivity and Signaling, Seamless Roaming for Wireless and Intelligent Database and Directory Services which provides for connections and services that signal and route information within and between telecommunication carrier networks.

SS7 Connectivity and Signaling. Network connectivity revenues are derived from establishing and maintaining connection to VeriSign’s SS7 network and trunk signaling services. Revenues from network connectivity consist primarily of monthly recurring fees, along with trunk signaling service fees, which are charged monthly based on the number of switches to which a customer signals.

Wireless Roaming. Revenues from wireless account management services and unregistered wireless roaming services are based on the revenue retained by VeriSign and recognized in the period in which such calls are processed on a per-minute or per-call basis.

Network Connectivity and Interoperability Services

Through our network connectivity and interoperability services, we provide SS7 Connectivity and Signaling, Seamless Roaming for Wireless and Intelligent Database and Directory Services which provides for connections and services that signal and route information within and between telecommunication carrier networks.

SS7 Connectivity and Signaling.    Network connectivity revenues are derived from establishing and maintaining connection to our SS7 network and trunk signaling services. Revenues from network connectivity consist primarily of monthly recurring fees, along with trunk signaling service fees, which are charged monthly based on the number of switches to which a customer signals.

Wireless Roaming.    Revenues from wireless account management services and unregistered wireless roaming services are based on the revenue retained by us and recognized in the period in which such calls are processed on a per-minute or per-call basis.