Exhibit A

DIRECTORS AND EXECUTIVE OFFICERS OF NATIONAL AUSTRALIA BANK LIMITED, NATIONAL EQUITIES LIMITED AND NATIONAL AMERICAS HOLDINGS LLC

The following tables set forth the name and present principal occupation or employment, the name, principal business and address of any corporation or other organization in which such occupation or employment is conducted, and citizenship of each director and executive officer of National Australia Bank Limited, National Equities Limited and National Americas Holdings LLC. The business address of each such person whose principal occupation or employment is with, and for the purposes of this filing for each Non-Executive Director of, National Australia Bank Limited or National Equities Limited is c/o National Australia Bank Limited, Level 1, 800 Bourke Street, Docklands, Victoria 3008, Australia. The business address of each such person whose principal occupation or employment is with Great Western Bancorp is c/o Great Western Bancorp, Inc., 100 N. Phillips Ave., Sioux Falls, South Dakota 57104.

DIRECTORS OF NATIONAL AUSTRALIA BANK LIMITED	PRESENT PRINCIPAL OCCUPATION OR EMPLOYMENT AND PRINCIPAL BUSINESS AND BUSINESS  ADDRESS	CITIZENSHIP
Michael Chaney (Chairman)	Non-Executive Director	Australia
Andrew Thorburn	Group Chief Executive Officer National Australia Bank Limited	Australia
David Armstrong	Non-Executive Director	Australia
Daniel T. Gilbert	Managing Partner Gilbert & Tobin Level 37, 2 Park Street Sydney NSW 2000 Australia	Australia
Peeyush Gupta	Non-Executive Director	Australia
Kenneth R. Henry	Non-Executive Director	Australia
Geraldine McBride	Chief Executive Officer MyWave Limited Suite 2, 18 Anzac Street Takapuna, Auckland, 0622 New Zealand	New Zealand
Paul J. Rizzo	Non-Executive Director	Australia
Jillian S. Segal	Non-Executive Director	Australia
John Waller	Non-Executive Director	New Zealand
Anthony K. T. Yuen	Non-Executive Director	China

EXECUTIVE OFFICERS OF NATIONAL AUSTRALIA BANK LIMITED	PRESENT PRINCIPAL OCCUPATION	CITIZENSHIP
Andrew Thorburn	Group Chief Executive Officer National Australia Bank Limited	Australia
Antony Cahill	Group Executive Product & Markets National Australia Bank Limited	Australia
Craig Drummond	Group Executive, Finance & Strategy National Australia Bank Limited	Australia
David Gall	Group Chief Risk Officer National Australia Bank Limited	Australia
Andrew Hagger	Group Executive, NAB Wealth National Australia Bank Limited	Australia
Michaela Healey	Group Executive, People, Communications & Governance National Australia Bank Limited	Australia
Anthony Healy	Managing Director & Chief Executive Officer Bank of New Zealand National Australia Bank Limited	Australia
Angela Mentis	Group Executive Business Banking National Australia Bank Limited	Australia
Renee Roberts	Group Executive, Enterprise Services and Transformation National Australia Bank Limited	Australia
Gavin Slater	Group Executive, Personal Banking National Australia Bank Limited	Australia

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DIRECTORS OF NATIONAL EQUITIES LIMITED	PRESENT PRINCIPAL OCCUPATION	CITIZENSHIP
Michael Chaney (Chairman)	Non-Executive Director	Australia
Andrew Thorburn	Group Chief Executive Officer National Australia Bank Limited	Australia
David Armstrong	Non-Executive Director	Australia
Daniel T. Gilbert	Managing Partner Gilbert & Tobin Level 37, 2 Park Street Sydney NSW 2000 Australia	Australia
Kenneth R. Henry	Non-Executive Director	Australia
Geraldine McBride	Chief Executive Officer MyWave Limited Suite 2, 18 Anzac Street Takapuna, Auckland, 0622 New Zealand	New Zealand
Paul J. Rizzo	Non-Executive Director	Australia
Jillian S. Segal	Non-Executive Director	Australia
John G. Thorn	Non-Executive Director	Australia
Geoffrey A. Tomlinson	Non-Executive Director	Australia
John Waller	Non-Executive Director	New Zealand
Anthony K. T. Yuen	Non-Executive Director	China
EXECUTIVE OFFICERS OF NATIONAL EQUITIES LIMITED	PRESENT PRINCIPAL OCCUPATION	CITIZENSHIP
Andrew Thorburn	Group Chief Executive Officer National Australia Bank Limited	Australia

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DIRECTORS OF NATIONAL AMERICAS HOLDINGS LLC	PRESENT PRINCIPAL OCCUPATION	CITIZENSHIP
Richard James Sawers (Chairman)	Enterprise Executive National Australia Bank Limited	Australia
Richard Rauchenberger	General Manager, New York Branch National Australia Bank Limited	United States
Svetlana Lyubomirskya	Head of US Taxation, New York Branch National Australia Bank Limited	United States
EXECUTIVE OFFICERS OF NATIONAL AMERICAS HOLDINGS LLC	PRESENT PRINCIPAL OCCUPATION	CITIZENSHIP
Richard James Sawers	Enterprise Executive National Australia Bank Limited	Australia
Richard Rauchenberger	General Manager, New York Branch National Australia Bank Limited	United States
Svetlana Lyubomirskya	Head of US Taxation, New York Branch National Australia Bank Limited	United States

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