DELAWARE INVESTMENTS MANAGEMENT COMPANY, LLC.

DELAWARE INVESTMENTS MANAGEMENT COMPANY, LLC. owns 75% or more and is the CORPORATE PARENT OF REGISTRANT of Macquarie Investment Management Business Trust

DELAWARE INVESTMENTS MANAGEMENT COMPANY, LLC. owns 75% or more and is the CORPORATE PARENT OF REGISTRANT of Macquarie Investment Management Business Trust

DELAWARE INVESTMENTS MANAGEMENT COMPANY, LLC. owns 75% or more and is the PARENT of Four Corners Capital Management LLC

DELAWARE INVESTMENTS MANAGEMENT COMPANY, LLC. owns 75% or more and is the CORPORATE PARENT OF MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST of Jackson Square Partners LLC

• Macquarie Investment Management Business Trust

  2005 MARKET STREET,
      PHILADELPHIA, PA

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• Four Corners Capital Management LLC

  2005 MARKET STREET,
      PHILADELPHIA, PA

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• Jackson Square Partners LLC

  101 CALIFORNIA STREET, SUITE 3750
      SAN FRANCISCO, CA

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