Linda Jean Wondrack

Columbia Management Group, Inc. provides asset management services. The company administers discretionary investment accounts for corporations, foundations, pension and benefit plans and endowments. The company also assists in tax and estate planning and portfolio management for high-net-worth individuals. Columbia Management Group is headquartered in Boston, MA

Massachusetts Financial Services Co., do-business-as MFS Investment Management (MFS), is a SEC-registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1924 and is a subsidiary of Sun Life of Canada (US) Financial Services Holdings, Inc., ultimately held by Sun Life Financial, Inc. (TSE, NYSE: SLF) in Canada. The firm provides investment advisory and sub-advisory services to a range of institutional clients and pooled investment vehicles. MFS is a responsible investor and signatory to the UN Principles for Responsible Investment (UNPRI).

Tri-Continental Corp. is a diversified, closed-end management investment company, which invests primarily for the longer term. Its objective is to produce future growth of both capital and income while providing reasonable current income. The company was founded on January 14, 1929 and is headquartered in Boston, MA.

Columbia Seligman Premium Technology Growth Fund, Inc. is a closed end mutual fund investment trust, which invests in technology and technology-related companies. Its investment objectives is to seek growth of capital. The company was founded on September 03, 2009 and is headquartered in Boston, MA.