John Joseph Zielinski

Optimum Investment Advisors LLC (OIA) is a registered investment advisor headquartered in Chicago, Illinois and was founded in 1989. The firm is a subsidiary of Optimum Investment Group LLC. OIA provides investment advisory services consisting primarily of discretionary asset management through use of equity, fixed income and balanced (between equity securities such as stocks and fixed income securities such as municipal and government bonds) portfolios. Their clients include individual persons, investment companies, pension and profit sharing plans, trusts, estates, charitable organizations, corporations or similar business and governmental entities.

William Blair & Co. LLC (William Blair) is a SEC-registered broker/dealer firm headquartered in Chicago, Illinois. The firm was founded by William McCormick Blair in 1935 and is a subsidiary of WBC Holdings LP. Until 1941, they were known as Blair, Bonner & Co. William Blair provides broking services to individual, institutional and issuing clients.

Neuberger Berman BD LLC is a SEC-registered investment advisor and mutual fund manager headquartered in New York City. It is directly owned by Neuberger Berman Investment Advisers LLC, which is an indirect, wholly-owned subsidiary of Neuberger Berman Group LLC, which is owned by NBSH Acquisition LLC. The firm traces their origin back to the 1939 founding of Neuberger & Berman, its predecessor firm. In 1950, Neuberger Berman became one of the first firms to offer a no-load mutual fund to individual investors. Neuberger Berman BD manages a range of equity, fixed income, private equity and hedge fund strategies on behalf of institutions, advisors and individual investors worldwide.

Northern Trust Investments, Inc. (Investment Management) (NTI-IM) is the asset management division of Northern Trust Investments, Inc., ultimately held by Northern Trust Corp. (NASDAQGS: NTRS), a multi-bank holding company established in 1889. The firm was founded in 1988 and headquartered in Chicago, Illinois. NTI-IM provides a wide range of discretionary and non-discretionary investment advisory and sub-advisory services to individual and institutional clients.