DEFA14A

PROXY STATEMENT PURSUANT TO SECTION 14 (a)
OF THE SECURITIES EXCHANGE ACT OF 1934

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Filed by a Party other than the	[_]
Registrant

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[_]	Preliminary Proxy Statement
[_]	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
[_ ]	Definitive Proxy Statement
[X]	Definitive Additional Materials
[_]	Soliciting Materials under Rule 14a-12
Dreyfus Cash Management
Dreyfus Government Cash Management Funds
- Dreyfus Government Cash Management
- Dreyfus Government Prime Cash Management
Dreyfus Massachusetts Municipal Money Market Fund
Dreyfus Municipal Cash Management Plus
Dreyfus New York AMT-Free Municipal Money Market Fund
Dreyfus New York Municipal Cash Management
Dreyfus 100% U.S. Treasury Money Market Fund
Dreyfus Pennsylvania Municipal Money Market Fund
Dreyfus Tax Exempt Cash Management Funds
- Dreyfus Tax Exempt Cash Management
Dreyfus Treasury & Agency Cash Management
Dreyfus Treasury Prime Cash Management
	(Name of Registrant as Specified In Its Charter)
	(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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