N-MFP2 0001060517 XXXXXXXX 2017-06-30 0001060517 S000053135 1 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 084-01761 Y 0001403166 Government Master Fund S000054189 N N Exempt Government N 1 1 5894459214.96 6385872931.78 5677665184.38 5431950932.79 6846769072.79 9943544290.99 10698698612.28 9680750362.67 9536597260.67 9542260732.88 0.3422 0.3678 0.3554 0.3369 0.4219 0.5773 0.6162 0.6059 0.5915 0.5879 0.00 84400650.26 0.00 49017.30 70303.88 84379363.68 84378339.5500 1.0000 0.0097 1.0000 1.0000 1.0000 1.0000 1.0000 C000167203 10000.00 84379363.68 84378339.5500 1.0000 1.0000 1.0000 1.0000 1.0000 746611.90 1654960.76 1433152.18 414300.00 2688737.13 45700.00 3729114.00 994076.42 15750708.93 1617639.71 24248324.14 3246859.39 0.0052 Y UBS Asset Management (US) Inc Expense cap waiver and/or reimbursement 2,780 UBS Asset Management (Americas) Inc Expense cap waiver and/or reimbursement 22,661 Government Master Fund Government Master Fund 0001403166 976WHL907 Investment Company Y 2017-07-03 2017-07-03 2017-07-03 N N N 0.0000 84400650.26 84400650.26 1.0000 N Y Y N The master-feeder funds are parties to a written daily liquidity agreement; consistent with SEC staff interpretative guidance, ownership interests in the master fund are categorized as a Daily Liquid Asset/Weekly Liquid Asset by the feeder funds. UBS Money Series 2017-07-10 /s/Nancy Osborn Nancy Osborn Vice President