N-MFP LIVE N 2015-10-31 0001060517 S000023600 1 N N N N 333-52965 UBS ASSET MANAGEMENT (AMERICAS), INC. 801-34910 Ernst & Young LLP New York NY UBS ASSET MANAGEMENT (AMERICAS) INC. BNY Mellon Investment Servicing (US) Inc. 0000849542 84-01761 Y 0001403166 Treasury Master Fund S000019503 N N Treasury 1 1 1376481384.26 13111.98 18996.36 1376475499.88 0.0010 1.0001 2015-10-31 1.0001 2015-10-31 C000069432 500000.00 1376475499.88 1.00 -30864560.53 759577172.33 790441732.86 0.0001 1.0001 2015-10-31 1.0001 2015-10-31 Treasury Master Fund Treasury Master Fund 81699K911 0001403166 Investment Company N First Tier Security N/A N/A 2015-11-02 2015-11-02 N N N 1376481384.26 1376481384.26 1.0000 N 1376481384.26 1376481384.26