MERRILL LYNCH RETIREMENT RESERVES MO FU OF MER LYN RE SER TR
N-30D, 1996-06-14
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MERRILL LYNCH
RETIREMENT
RESERVES
MONEY FUND

Merrill Lynch
Retirement Series Trust







FUND LOGO






Semi-Annual Report

April 30, 1996



<PAGE>
Officers and Trustees
Arthur Zeikel, President and Trustee
Joe Grills, Trustee
Walter Mintz, Trustee
Robert S. Salomon Jr., Trustee
Melvin R. Seiden, Trustee
Stephen B. Swensrud, Trustee
Harry Woolf, Trustee
Terry K. Glenn, Executive Vice President
Joseph T. Monagle Jr., Senior Vice President
Christopher G. Ayoub, Vice President
Donald C. Burke, Vice President
Gerald M. Richard, Treasurer
Mark B. Goldfus, Secretary

Custodian
The Bank of New York
90 Washington Street
New York, NY 10286

Transfer Agent
Merrill Lynch Financial Data Services, Inc.
4800 Deer Lake Drive East
Jacksonville, FL 32246-6484
(800) 221-7210


This report is not authorized for use as an offer of sale or a
solicitation of an offer to buy shares of the Fund unless
accompanied or preceded by the Fund's current prospectus. Past
performance results shown in this report should not be considered a
representation of future performance, which will fluctuate. The Fund
seeks to maintain a consistent $1.00 net asset value per share,
although this cannot be assured. An investment in the Fund is
neither insured nor guaranteed by the US Government. Statements and
other information herein are as dated and are subject to change.




<PAGE>
Merrill Lynch
Retirement Reserves
Money Fund
Box 9011
Princeton, New Jersey
08543-9011






DEAR SHAREHOLDER

For the six-month period ended April 30, 1996, Merrill Lynch
Retirement Reserves Money Fund's net annualized yield was 5.27%*.
The Fund's 7-day yield as of April 30, 1996 was 4.92%.

The average portfolio maturity for Merrill Lynch Retirement Reserves
Money Fund at April 30, 1996 was 55 days, compared to 83 days at
October 31, 1995.

The Environment
Investor perceptions regarding the US economy changed over the
course of the six-month period ended April 30, 1996. As 1995 drew to
a close and 1996 began, it appeared that the US economy was losing
momentum. Lackluster retail sales, increases in initial unemployment
claims (along with weak job and income growth), and evidence of
slowing in the manufacturing sector all suggested that the rate of
economic growth was decelerating, with some forecasters even
suggesting the possibility of an imminent recession. Going into
1996, we maintained the Fund's average life toward the higher end of
the allowed band. It was our belief that short-term interest rates
would continue to rally as the Federal Reserve Board pursued a
course of monetary easing.

However, the consensus outlook for the rate of future economic
growth changed dramatically with the report of stronger-than-
expected employment data for February and March. As a result,
investors began to anticipate renewed economic growth. Long-term
interest rates rose, and the Federal Reserve Board left monetary
policy on hold. Adding to investor concerns was the report that the
Knight Ridder-Commodity Research Bureau Index was near an eight-year
high, largely because of an increase in agricultural prices as well
as an upward spike in the price of crude oil. In his mid-February
Humphrey-Hawkins testimony, Federal Reserve Board Chairman Alan
Greenspan noted that the economy was entering a growth period. In
response, we initiated sales of longer-term securities, thereby
reducing interest rate exposure and shortening the average life
considerably.
<PAGE>
[FN]
*Based on a constant investment throughout the period, with
 dividends compounded daily, and reflecting a net return to the
 investor after all expenses.

Investors are likely to continue to focus on the probable direction
of economic activity and Federal Reserve Board monetary policy in
the weeks ahead. At this time, inflationary pressures do not seem to
be building and the capital spending, housing and consumption
sectors are still relatively weak, which suggest that the economy is
not on the verge of overheating. Nevertheless, it is likely that any
further indications of stronger economic activity in the weeks ahead
may add to investor concerns that accelerating economic activity
could lead to higher inflation and interest rates.

The portfolio's composition at the end of the April period and as of
our last report is detailed below:


                                         4/30/96       10/31/95

Bank Notes                                  4.5%           3.8%
Certificates of Deposit                     0.2             --
Certificates of Deposit--European            --            6.6
Certificates of Deposit--Yankee             5.1            6.7
Commercial Paper--Discount                 34.7           29.3
Corporate Notes                            10.3            6.1
Master Notes                                3.2            3.3
Repurchase Agreements                       1.0            1.3
US Government, Agency &
Instrumentality Obligations--
Discount Notes                              6.3            6.8
US Government, Agency &
Instrumentality Obligations--
Non-Discount Notes                         36.8           36.7
Liabilities in Excess of Other
Assets                                     (2.1)          (0.6)
                                          ------         ------
Total                                     100.0%         100.0%
                                          ======         ======


Sincerely,





(Arthur Zeikel)
Arthur Zeikel
President
<PAGE>



Christopher G. Ayoub
(Christopher G. Ayoub)
Vice President and Portfolio Manager



May 29, 1996





SCHEDULE OF INVESTMENTS                              (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

Bank Notes--4.5%

Bank One, Columbus    $125,000   5.24++%     9/18/96     $  124,963

Bank One, Dayton        60,000   5.32++      1/30/97         59,978

Bank One,               82,000   5.27++      8/28/96         81,990
Milwaukee               42,000   5.27++      9/05/96         41,994

Bank One, Texas         50,000   5.27++      9/05/96         49,993

First Bank, N.A.,       50,000   5.45++     12/18/96         49,990
Minneapolis

Total Bank Notes (Cost--$408,908)                           408,908


Certificates of Deposit--0.2%

Bank One, Cleveland     21,000   5.32        6/04/96         21,000

Total Certificates of Deposit (Cost--$21,000)                21,000


Certificates of Deposit--Yankee--5.1%


Bayerische              70,000   5.02        8/12/96         69,925
Hypotheken-und-
Wechsel Bank, NY
<PAGE>
Bayerische              50,000   5.10        7/05/96         49,972
Landesbank
Girozentrale, NY

HongKongbank, NY       100,000   5.35        6/04/96         99,998

Societe Generale,       50,000   5.35        6/06/96         49,999
NY                     150,000   5.37        6/07/96        150,002
                        48,000   5.39        6/14/96         48,002

Total Certificates of Deposit--Yankee
(Cost--$468,011)                                            467,898


Commercial Paper--34.7%


Allied-Signal, Inc.     25,000   5.34        5/15/96         24,944

Allomon Funding Corp.    9,041   5.32        5/24/96          9,009

Alpine Securitization   59,469   5.35        5/15/96         59,336
Corp.                   11,535   5.30        6/20/96         11,448

American Express        25,000   4.88        8/09/96         24,627
Credit Corp.

Ameritech Capital       25,000   5.30        7/11/96         24,734
Funding Corp.

Apreco, Inc.            30,000   5.30        6/12/96         29,810

Beta Finance Inc.       12,000   5.32       10/03/96         11,721

CS First Boston Inc.    20,000   5.31        6/05/96         19,894

CSW Credit, Inc.        40,000   5.33        5/14/96         39,917
                        15,000   5.34        5/16/96         14,964
                        32,500   5.34        5/20/96         32,404
                        28,100   5.35        6/04/96         27,954

Caisse des Depots et    53,000   5.35        5/08/96         52,937
Consignations           65,000   5.34        5/13/96         64,875

Cargill Financial       25,000   5.30        5/24/96         24,912
Services Corp.

Cargill Inc.            25,000   5.30        5/24/96         24,912
<PAGE>




SCHEDULE OF INVESTMENTS                              (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

Commercial Paper  (continued)

Deer Park Refining   $  50,000   5.35  %     6/12/96     $   49,683
L.P.

Eureka                  30,000   5.35        5/08/96         29,964
Securitization Inc.     40,000   5.40        5/10/96         39,940
                        30,000   5.35        5/20/96         29,911

Falcon Asset            25,000   5.30        5/23/96         24,915
Securitization Corp.    25,500   5.33        5/23/96         25,413
                        53,650   5.29        6/13/96         53,303
                        23,600   5.32        6/17/96         23,432

Ford Motor             100,000   5.32        5/08/96         99,882
Credit Co.              59,000   5.30        5/22/96         58,809
                        30,000   5.30        5/30/96         29,868
                       190,000   5.30        5/31/96        189,133

General Electric        75,000   5.45        5/02/96         74,979
Capital Corp.          100,000   5.15        7/15/96         98,875
                       100,000   5.09        7/16/96         98,860
                       100,000   5.14        7/16/96         98,860

General Motors         170,000   5.39        5/06/96        169,847
Acceptance Corp.        35,000   5.13        5/13/96         34,933
                        35,000   5.40        5/16/96         34,916
                        37,000   5.35        6/05/96         36,802

Goldman Sachs           50,000   5.30        5/31/96         49,772
Group L.P.

Greenwich Funding        8,000   5.38        5/01/96          7,999
Corp.                   52,142   5.35        5/07/96         52,088
                        16,300   5.10        5/09/96         16,279
                        40,000   5.35        5/15/96         39,911
                        32,103   5.31        5/20/96         32,008

International           64,775   5.35        5/15/96         64,631
Securitization Corp.    31,000   5.32        5/21/96         30,904
                        53,630   5.32        5/22/96         53,456
<PAGE>
Korea Development       30,000   5.10        5/08/96         29,966
Bank                    20,000   5.30        7/25/96         19,745

Morgan Stanley         200,000   5.375       5/01/96        199,970
Group, Inc.             60,000   5.30        5/22/96         59,806

National Australia      49,500   5.44        5/29/96         49,287
Funding (Delaware) Inc.

National Fleet          15,000   5.25        5/08/96         14,983
Funding Corp.           75,000   5.31        5/29/96         74,679
                        16,700   5.31        5/30/96         16,626

New Center Asset        57,000   5.35        5/30/96         56,746
Trust

Nomura Holding          25,000   5.20        5/03/96         24,989
America, Inc.           25,000   5.35        6/13/96         24,838

Preferred Receivables   58,900   5.33        5/14/96         58,778
Funding Corp.

Sheffield Receivables   23,000   5.30        5/22/96         22,926
Corp.




SCHEDULE OF INVESTMENTS (continued)                 (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

Commercial Paper  (concluded)

Svenska               $ 18,900   5.30  %     5/20/96    $    18,844
Handelsbanken, Inc.     40,000   5.30        6/20/96         39,700

Sweden,                 56,000   5.50        5/01/96         55,992
Kingdom of              18,000   4.98        7/08/96         17,816

WCP Funding Inc.        15,000   5.33        6/03/96         14,925

Windmill Funding        18,581   5.35        5/17/96         18,534
Corp.                   78,730   5.30        5/24/96         78,452
                        24,003   5.37        5/28/96         23,905
                        17,192   5.35        5/31/96         17,113
                        60,144   5.37        5/31/96         59,867
                        12,010   5.30        6/18/96         11,923
<PAGE>
Total Commercial Paper (Cost--$3,158,348)                 3,158,181


Corporate Notes--10.3%

Abbey National          47,000   6.45        5/15/96         47,017
Treasury Services PLC

Beta Finance Inc.       25,000   5.37++      8/26/96         25,000
                        40,000   5.38++      9/16/96         40,000
                        30,000   5.388       9/25/96         29,999

CIT Group Holdings,     25,000   5.30        9/20/96         24,990
Inc. (The)              50,000   5.31        9/26/96         49,982
                        40,000   5.41       11/14/96         40,018
                        30,000   5.30        2/06/97         29,982

Key Bank of NY,        100,000   5.26++      8/16/96         99,986
Albany

PHH Corp.              100,000   5.34        1/23/97         99,978
                        25,000   5.36        2/10/97         24,993
                        25,000   5.378       3/25/97         24,991

SMM Trust               71,000   5.52++      6/14/96         71,000
Certificate (1995-K)

SMM Trust              150,000   5.50++      1/08/97        150,000
Certificate (1995-Q)

Short Term Card        150,000   5.51++      1/15/97        150,000
Account Trust (1995-1)

Toyota Motor            30,000   5.333++     9/13/96         29,992
Credit Corp.

Total Corporate Notes (Cost--$937,890)                      937,928


Master Notes--3.2%


Goldman Sachs           34,000   5.41++      8/09/96         34,000
Group, L.P.            175,000   5.39++     11/08/96        175,000

Jackson National        80,000   5.47++      4/08/97         80,000
Life Insurance Co.
<PAGE>
Total Master Notes (Cost--$289,000)                         289,000


US Government, Agency & Instrumentality Obligations--
Discount Notes--6.3%


Federal Home Loan       50,000   5.20       10/11/96         48,806
Bank                    25,000   5.22        1/21/97         24,030

Federal National        50,000   5.15        5/03/96         49,979
Mortgage Association    73,000   5.17        5/10/96         72,897



SCHEDULE OF INVESTMENTS (continued)                 (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

US Government, Agency & Instrumentality Obligations--
Discount Notes (concluded)

Federal National     $  30,000    4.82  %    7/30/96    $    29,606
Mortgage Association    25,000   5.17       10/11/96         24,403
(concluded)             50,000   5.11       10/30/96         48,668

US Treasury Bills       60,000   5.875       5/02/96         59,984
                        75,000   4.545       2/06/97         71,939
                        50,000   4.56        2/06/97         47,959
                        50,000   4.59        2/06/97         47,959
                        50,000   5.23        5/01/97         47,310

Total US Government, Agency & Instrumentality
Obligations--Discount Notes (Cost--$574,554)                573,540


US Government, Agency & Instrumentality Obligations--
Non-Discount Notes--36.8%


Federal Farm Credit     50,000   5.25        5/01/96         50,000
Bank                    85,000   5.20++     12/30/96         84,897
                        40,000   5.38++     11/25/97         39,987
                        30,000   6.24        5/07/98         29,976

Federal Home Loan       70,000   5.71++      6/17/96         70,000
Bank                    29,000   6.21++      6/21/96         29,000
                        20,500   5.63        6/28/96         20,500
                        15,000   5.135++     8/05/96         14,994
                        20,095   6.875      11/18/96         20,216
                        25,000   5.83++      2/18/97         25,024
                        26,000   6.19        5/08/98         25,931
<PAGE>
Federal Home Loan       15,500   5.58++      5/06/96         15,500
Mortgage Corp.          38,250   6.005       5/13/96         38,258
                        21,850   5.50++      6/03/96         21,846
                        55,000   5.70++      6/07/96         54,998

Federal National        50,000   5.20++      5/10/96         49,999
Mortgage Association    98,000   5.58++      5/13/96         98,000
                        80,000   5.83++      5/24/96         80,000
                       110,000   5.63        6/28/96        110,000
                       100,000   5.273++     7/05/96         99,983
                        45,000   5.255++     7/18/96         44,992
                        70,000   5.19++      8/08/96         69,989
                        40,000   5.58++      8/13/96         40,000
                        20,000   5.85++     10/07/96         20,014
                       150,000   5.268++    10/11/96        150,000
                        40,000   5.31++     11/04/96         40,000
                       100,000   5.44       11/21/96         99,910
                        50,000   5.31       12/11/96         49,915
                        75,000   5.21++     12/19/96         74,965
                        30,000   5.85++      2/14/97         30,038
                       123,000   5.32++      2/21/97        123,000
                        67,000   5.33++      4/15/97         66,931
                        75,000   5.22++      4/22/97         74,936
                        50,000   5.205++     4/29/97         49,949
                        68,500   5.70++      5/19/97         68,500
                       140,000   5.310++     5/22/97        139,899
                        25,000   5.19        1/08/98         24,656
                        38,000   5.75++      5/14/98         38,000
                        22,150   5.30++     12/14/98         22,101



SCHEDULE OF INVESTMENTS (concluded)                 (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

US Government, Agency & Instrumentality Obligations--
Non-Discount Notes (continued)
<PAGE>
Student Loan          $ 15,000   5.35++ %    5/09/96     $   15,000
Marketing               53,750   5.28++      5/14/96         53,750
Association             67,350   6.08++      7/01/96         67,337
                        15,000   5.25++      7/19/96         15,000
                        75,000   5.30++      8/08/96         75,000
                       125,000   5.268++     9/20/96        125,000
                        50,000   5.25++      9/23/96         50,000
                        75,000   5.31++     10/04/96         75,000
                        11,830   5.50++     11/01/96         11,844
                        59,415   5.31++     12/20/96         59,415
                        45,000   5.46++      1/14/97         45,008
                        37,125   5.50++      1/23/97         37,176
                        17,500   5.525++     2/14/97         17,509
                        25,000   5.42++      3/03/97         25,000
                        35,000   5.48++      3/03/97         35,037
                        67,075   5.45++      1/21/98         67,236
                        29,200   5.40++      2/17/98         29,175

US Treasury Notes       10,000   6.50        9/30/96         10,045
                        50,000   6.875      10/31/96         50,352




SCHEDULE OF INVESTMENTS (concluded)                 (in Thousands)

                        Face    Interest    Maturity       Value
Issue                  Amount    Rate*        Date       (Note 1a)

US Government, Agency & Instrumentality Obligations--
Non-Discount Notes (concluded)

US Treasury Notes    $  15,000   7.50 %     12/31/96   $     15,192
(concluded)             45,000   6.125       5/31/97         45,169
                        55,000   5.25       12/31/97         54,364
                        60,000   5.00        1/31/98         58,988
                        50,000   5.125       2/28/98         49,250
                        50,000   5.875       4/30/98         49,875

Total US Government, Agency & Instrumentality
Obligations--Non-Discount Notes
(Cost--$3,345,953)                                        3,343,626


Face Amount                      Issue

Repurchase Agreements**--1.0%


$ 91,000       Fuji Securities, Inc., purchased on
               4/30/1996 to yield 5.37% to 5/01/1996         91,000

Total Repurchase Agreements (Cost--$91,000)                  91,000

Total Investments (Cost--$9,294,664)--102.1%              9,291,081
<PAGE>
Liabilities in Excess of Other Assets--(2.1%)              (189,743)
                                                         ----------
Net Assets--100.0%                                       $9,101,338
                                                         ==========

[FN]
 *Commercial Paper and certain US Government, Agency &
  Instrumentality Obligations are traded on a discount basis; the
  interest rates shown are the discount rates paid at the time of
  purchase by the Fund. Other securities bear interest at the rates
  shown, payable at fixed dates or upon maturity. Interest rates on
  variable rate securities are adjusted periodically based upon
  appropriate indexes; the interest rates shown are the rates in
  effect at April 30, 1996.
**Repurchase Agreements are fully collateralized by US Government
  Obligations.
++Floating Rate Notes.

  See Notes to Financial Statements.



FINANCIAL INFORMATION


<TABLE>
Statement of Assets and Liabilities as of April 30, 1996
<S>                 <S>                                                                  <C>              <C>
Assets:             Investments, at value (identified cost--$9,294,663,510*)(Note 1a)                     $9,291,080,633
                    Cash  .                                                                                    4,014,345
                    Receivables: Interest                                                $   44,011,916
                                 Beneficial interest sold                                         3,482       44,015,398
                                                                                         --------------
                    Prepaid registration fees and other assets (Note 1d)                                         421,348
                                                                                                          --------------
                    Total assets                                                                           9,339,531,724
                                                                                                          --------------

Liabilities:        Payables: Securities purchased                                          128,256,342
                              Beneficial interest redeemed                                  102,991,616
                              Investment adviser (Note 2)                                     3,030,650      234,278,608
                                                                                         --------------
                    Accrued expenses and other liabilities                                                     3,914,909
                                                                                                          --------------
                    Total liabilities                                                                        238,193,517
                                                                                                          --------------

Net Assets:         Net assets                                                                            $9,101,338,207
                                                                                                          ==============
<PAGE>
Net Assets          Shares of beneficial interest, $0.10 par value, unlimited number of
Consist of:         shares authorized                                                                     $  910,492,109
                    Paid-in capital in excess of par                                                       8,194,428,975
                    Unrealized depreciation on investments--net                                               (3,582,877)
                                                                                                          --------------
                    Net assets--Equivalent to $1.00 per share based on 9,104,921,084
                    shares of beneficial interest outstanding                                             $9,101,338,207
                                                                                                          ==============


                   <FN>
                   *Cost for Federal income tax purposes. As of April 30, 1996, net
                    unrealized depreciation for Federal income tax purposes amounted to
                    $3,582,877, of which $355,721 related to appreciated securities and
                    $3,938,598 related to depreciated securities.



                    See Notes to Financial Statements.
</TABLE>


FINANCIAL INFORMATION (continued)


<TABLE>
Statement of Operations
<CAPTION>
                                                                                                For the Six Months Ended
                                                                                                          April 30, 1996
<S>                 <S>                                                                  <C>              <C>
Investment Income   Interest and amortization of premium and discount earned                              $  255,137,941
(Note 1c):

Expenses:           Investment advisory fees (Note 2)                                    $   16,892,320
                    Transfer agent fees (Note 2)                                              7,034,996
                    Registration fees (Note 1d)                                                 586,062
                    Accounting services (Note 2)                                                244,384
                    Printing and shareholder reports                                            240,295
                    Custodian fees                                                              121,518
                    Professional fees                                                            43,632
                    Trustees' fees and expenses                                                  35,491
                    Other.                                                                       63,229
                                                                                         --------------
                    Total expenses                                                                            25,261,927
                                                                                                          --------------
                    Investment income--net                                                                   229,876,014
                                                                                                          --------------

Realized & Unreal-  Realized gain on investments--net                                                            307,537
ized Gain (Loss)    Change in unrealized appreciation/depreciation on investments--net                        (7,269,858)
on Investments                                                                                            --------------
- --Net (Note 1c):    Net Increase in Net Assets Resulting from Operations                                  $  222,913,693
                                                                                                          ==============
</TABLE>
<PAGE>

<TABLE>
Statements of Changes in Net Assets
<CAPTION>
                                                                                         For the Six         For the
                                                                                         Months Ended      Year Ended
Increase (Decrease) in Net Assets:                                                      April 30, 1996   October 31, 1995
<S>                 <S>                                                                  <C>              <C>
Operations:         Investment income--net                                               $  229,876,014   $  432,019,283
                    Realized gain on investments--net                                           307,537        1,637,926
                    Change in unrealized appreciation/depreciation on
                    investments--net                                                         (7,269,858)      10,376,159
                                                                                         --------------   --------------
                    Net increase in net assets resulting from operations                    222,913,693      444,033,368
                                                                                         --------------   --------------

Dividends &         Investment income--net                                                 (229,876,014)    (432,019,283)
Distributions to    Realized gain on investments--net                                          (307,537)      (1,637,926)
Shareholders                                                                             --------------   --------------
(Note 1e):          Net decrease in net assets resulting from dividends and
                    distributions to shareholders                                          (230,183,551)    (433,657,209)
                                                                                         --------------   --------------

Beneficial Interest Net proceeds from sale of shares                                     14,265,306,958   24,132,766,015
Transactions        Net asset value of shares issued to shareholders in
(Notes 1e & 3):     reinvestment of dividends and distributions                             230,181,614      433,654,456
                                                                                         --------------   --------------
                                                                                         14,495,488,572   24,566,420,471
                    Cost of shares redeemed                                             (14,035,787,024) (23,331,574,095)
                                                                                         --------------   --------------
                    Net increase in net assets derived from beneficial
                    interest transactions                                                   459,701,548    1,234,846,376
                                                                                         --------------   --------------

Net Assets:         Total increase in net assets                                            452,431,690    1,245,222,535
                    Beginning of period                                                   8,648,906,517    7,403,683,982
                                                                                         --------------   --------------
                    End of period                                                        $9,101,338,207   $8,648,906,517
                                                                                         ==============   ==============


                    See Notes to Financial Statements.
</TABLE>

FINANCIAL INFORMATION (concluded)
<PAGE>
<TABLE>
Financial Highlights
<CAPTION>
The following per share data and ratios have been derived
from information provided in the financial statements.      For the Six
                                                            Months Ended         For the Year Ended October 31,
Increase (Decrease) in Net Asset Value:                   April 30, 1996    1995        1994        1993        1992
<S>                 <S>                                      <C>         <C>         <C>         <C>          <C>
Per Share           Net asset value, beginning of period     $     1.00  $     1.00  $     1.00  $     1.00   $     1.00
Operating                                                    ----------  ----------  ----------  ----------   ----------
Performance:        Investment income--net                        .0259       .0540       .0345       .0279        .0370
                    Realized and unrealized gain
                    (loss) on investments--net                   (.0001)      .0015      (.0011)      .0004        .0012
                                                             ----------  ----------  ----------  ----------   ----------
                    Total from investment operations              .0258       .0555       .0334       .0283        .0382
                                                             ----------  ----------  ----------  ----------   ----------
                    Less dividends and distributions:
                      Investment income--net                     (.0259)     (.0540)     (.0345)     (.0279)      (.0370)
                      Realized gain on investments--net              --++    (.0002)         --++    (.0003)      (.0010)
                                                             ----------  ----------  ----------  ----------   ----------
                    Total dividends and distributions            (.0259)     (.0542)     (.0345)     (.0282)      (.0380)
                                                             ----------  ----------  ----------  ----------   ----------
                    Net asset value, end of period           $     1.00  $     1.00  $     1.00  $     1.00   $     1.00
                                                             ==========  ==========  ==========  ==========   ==========
                    Total investment return                       5.27%*      5.57%       3.48%       2.86%        3.95%
                                                             ==========  ==========  ==========  ==========   ==========

Ratios to           Expenses                                       .57%*       .59%        .59%        .62%         .63%
Average                                                      ==========  ==========  ==========  ==========   ==========
Net Assets:         Investment income and realized
                    gain on investments--net                      5.18%*      5.43%       3.44%       2.82%        3.88%
                                                             ==========  ==========  ==========  ==========   ==========

Supplemental        Net assets, end of period (in
Data:               thousands)                               $9,101,338  $8,648,907  $7,403,684  $7,066,326   $6,474,640
                                                             ==========  ==========  ==========  ==========   ==========


                  <FN>
                   *Annualized.
                  ++Amount is less than $.0001 per share.


                    See Notes to Financial Statements.
</TABLE>


<PAGE>
NOTES TO FINANCIAL STATEMENTS

1. Significant Accounting Policies:
Merrill Lynch Retirement Reserves Money Fund (the "Fund") is a
separate Fund offering a separate class of shares of Merrill Lynch
Retirement Series Trust (the "Trust"). The Trust is registered under
the Investment Company Act of 1940 as a diversified, open-end
management investment company which will comprise a series of
separate portfolios offering a separate class of shares to
participants in the retirement plans for which Merrill Lynch,
Pierce, Fenner & Smith Inc. ("MLPF&S") acts as passive custodian. At
the present time, the Fund is the only series offered. These
unaudited financial statements reflect all adjustments which are, in
the opinion of management, necessary to a fair statement of the
results for the interim period presented. All such adjustments are
of a normal recurring nature. The following is a summary of
significant accounting policies consistently followed by the Fund.

(a) Valuation of investments--Investments maturing more than sixty
days after the valuation date are valued at the most recent bid
price or yield equivalent as obtained from dealers that make markets
in such securities. When securities are valued with sixty days or
less to maturity, the difference between the valuation existing on
the sixty-first day before maturity and maturity value is amortized
on a straight-line basis to maturity. Investments maturing within
sixty days from their date of acquisition are valued at amortized
cost, which approximates market value.


NOTES TO FINANCIAL STATEMENTS (concluded)


For the purposes of valuations, the maturity of variable rate
certificates of deposit, variable rate commercial paper, short-term
corporate bond notes and variable rate Government agency notes and
variable rate corporate notes is deemed to be the next coupon date
on which the interest rate is to be adjusted. Assets for which
market quotations are not readily available are valued at fair value
as determined in good faith by or under the direction of the Board
of Trustees.

(b) Income taxes--It is the Fund's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated
investment companies and to distribute all of its taxable income to
its shareholders. Therefore, no Federal income tax provision is
required.

(c) Security transactions and investment income--Security
transactions are recorded on the dates the transactions are entered
into (the trade dates). Interest income (including amortization of
premium and discount) is recognized on the accrual basis. Realized
gains and losses on security transactions are determined on the
identified cost basis.
<PAGE>
(d) Prepaid registration fees--Prepaid registration fees are charged
to expense as the related shares are issued.

(e) Dividends and distributions to shareholders--The Fund declares
dividends daily and reinvests daily such dividends in additional
fund shares at net asset value. Dividends and distributions are
declared from the total of net investment income and net realized
gains or losses on investments.

2. Investment Advisory Agreement and
Transactions with Affiliates:
The Fund has entered into an Investment Advisory Agreement with
Merrill Lynch Asset Management, L.P. ("MLAM"). The general partner
of MLAM is Princeton Services, Inc. ("PSI"), an indirect wholly-
owned subsidiary of Merrill Lynch & Co., Inc. ("ML & Co."), which is
the limited partner. The Fund has also entered into a Distribution
Agreement and Distribution Plans with Merrill Lynch Funds
Distributor, Inc. ("MLFD" or "Distributor"), a wholly-owned
subsidiary of Merrill Lynch Group, Inc.

MLAM is responsible for the management of the Fund's portfolio and
provides the necessary personnel, facilities, equipment and certain
other services necessary to the operations of the Fund. For such
services, the Fund pays a monthly fee based upon the average daily
value of the Fund's net assets at the following annual rates: 0.50%
of the Fund's average daily net assets not exceeding $1 billion;
0.45% of average daily net assets in excess of $1 billion but not
exceeding $2 billion; 0.40% of average daily net assets in excess of
$2 billion but not exceeding $3 billion; 0.375% of average daily net
assets in excess of $3 billion but not exceeding $4 billion; 0.35%
of average daily net assets in excess of $4 billion but not
exceeding $7 billion; and 0.325% of average daily net assets in
excess of $7 billion. The most restrictive annual expense limitation
requires that MLAM reimburse the Fund to the extent the Fund's
expenses (excluding interest, taxes, distribution fees, brokerage
fees and commissions, and extraordinary charges such as litigation
costs) exceed 2.5% of the Fund's first $30 million of average daily
net assets, 2.0% of the next $70 million of average daily net assets
and 1.5% of the remaining average daily net assets. MLAM's
obligation to reimburse the Fund is limited to the amount of the
management fee. No fee payment will be made to MLAM during the
period which will cause such expenses to exceed the most restrictive
expense limitation at the time of such payment.

Merrill Lynch Financial Data Services, Inc. ("MLFDS"), a wholly-
owned subsidiary of ML & Co., is the Fund's transfer agent.

Accounting services are provided to the Fund by MLAM at cost.
<PAGE>
Certain officers and/or trustees of the Trust are officers and/or
directors of MLAM, MLFD, MLFDS, PSI, MLPF&S, and/or ML & Co.

3. Shares of Beneficial Interest:
The number of shares purchased and redeemed during the periods
corresponds to the amounts included in the Statements of Changes in
Net Assets, since shares are recorded at $1.00 per share.




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