Atlantic Power Expands Mainsaver Usage

San Diego, CA – September 6, 2019: Mainsaver Software is pleased to announce that Atlantic Power
Corporation will expand its usage of Mainsaver to another five of its power generation facilities. Atlantic Power
currently utilizes Mainsaver at twelve of its sites across the United States and Canada. The new additions will
include sites at Koma, WA, Cadillac, MI, Piedmont, GA, and two recently acquired facilities in Dorchester
County and Allendale, South Carolina. Of the five new sites, four are biomass fueled plants and one is a
hydroelectric plant.

As with the other Atlantic Power sites, the new additions will be deployed on Mainsaver’s state of the art Cloud
based hosting platform. All sites will utilize Mainsaver’s full complement of functionality for managing both
Corrective and Preventive Maintenance, as well as Material Management and Procurement/Purchasing. All
five locations are expected to be fully operational on Mainsaver by year end.

About Atlantic Power
Atlantic Power is an independent power producer that owns power generation assets in eleven states in the
United States and two provinces in Canada. The generation projects sell electricity and steam to investmentgrade utilities and other creditworthy large customers predominantly under long-term Power Purchase
Agreements (PPAs) that have expiration dates ranging from 2019 to 2043. The majority of the projects in
operation are 100% owned and directly operated and maintained by the Company. The Company has
expertise in operating most fuel types, including gas, hydro, and biomass, and it owns a 40% interest in one
coal project.

About Mainsaver Software
Mainsaver offers a complete Enterprise Asset Management Solution with a robust Computerized Maintenance
Management System (CMMS) at its core. As one of the industry’s foremost established CMMS suppliers,
Mainsaver provides solid software applications, trusted consulting services, and comprehensive customer
support to its clients. Our solutions are designed to provide a maximum return on investment, whether
installed as a standalone application, or as an “end to end” solution interfaced to any of today’s popular ERP,
MRP or financial packages.