Northern Star Generation

Northern Star Generation is owned jointly by UBS Infrastructure Asset Management (IAM) and The Ontario Teachers Pension Plan Board (OTPPB).

UBS Infrastructure Asset Management (IAM) is a business unit of UBS Global Asset Management, one of the world's leading asset managers, providing traditional, alternative, real estate and infrastructure investment management solutions to private clients, financial intermediaries and institutional investors worldwide. IAM invests in the growing infrastructure sector managing both listed infrastructure securities and direct investment funds in North America and globally. IAM has dedicated investment professionals operating from offices in New York, London, Hong Kong and Sydney.

The Ontario Teachers' Pension Plan ("Teachers'") is one of Canada's largest financial institutions with net assets of C$108.5 billion. It invests globally to secure the retirement income of 278,000 active and retired teachers in the province of Ontario, Canada. In addition to stocks, bonds, real estate and private equity, as of December 31, 2007, Teachers' had a global infrastructure and timberland portfolio valued at C$8.8 billion and is actively seeking to expand this portfolio.