Confirming Statement

I, as Reporting Person of Putnam Investment Management, LLC and/or
Putnam, LLC, the Issuer's Investment Adviser and Indirect Parent
Holding Company, respectively, hereby authorize and designate each and
every Managing Director, Senior Vice President and Vice President in
the Putnam Investments Legal and Compliance Department to file SEC
Exchange Act Forms 3, 4 or 5 on my behalf until further notice in
electronic format pursuant to Rule 101(b)(4) of Regulation S-T.

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/s/  Charles B. Curtis