Mark Identification

CONSTELLATION UTILITY DATA MINING SERVICES

Serial Number

75696281

Filing Date

May 3, 1999

Registration Date

Oct 19, 2004

Trademark by

CONSTELLATION ENERGY SOURCE INC.

Classification Information

Billing services, namely, providing consolidated billing summaries and administration; and preparing customized business reports featuring energy savings data, energy profile development, energy profile benchmarking, rate analysis and verification

Advertising and Business

Providing energy usage management information services; providing energy auditing, namely, review and analysis of energy consumption; and providing a website featuring information about energy management, use and conservation

Computer and Scientific