SIERRA TRUST FUNDS
DEFS14A, 1997-11-19
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<PAGE>   1
 
                            SCHEDULE 14A INFORMATION
 
                PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE
                        SECURITIES EXCHANGE ACT OF 1934
 
Filed by the Registrant [X]
 
Filed by a Party other than the Registrant [ ]
 
Check the appropriate box:
 
[ ]  Preliminary Proxy Statement
[ ]  Confidential, for Use of the Commission Only (as permitted by 
     Rule 14a-6(e)(2))
[X]  Definitive Proxy Statement
[ ]  Definitive Additional Materials
[ ]  Soliciting Material Pursuant to Section 240.14a-11(c) or Section
     240.14a-12


                               SIERRA TRUST FUNDS
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)
 
- --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)
 
Payment of Filing Fee (Check the appropriate box):
 
[X]  No fee required.
 
[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
 
     (1)  Title of each class of securities to which transaction applies:
 
          --------------------------------------------------------------------- 
 
     (2)  Aggregate number of securities to which transaction applies:
 
          --------------------------------------------------------------------- 
 
     (3)  Per unit price or other underlying value of transaction computed
          pursuant to Exchange Act Rule 0-11:*
 
          --------------------------------------------------------------------- 
 
     (4)  Proposed maximum aggregate value of transaction:
 
          --------------------------------------------------------------------- 

     (5)  Total fee paid:
 
          --------------------------------------------------------------------- 
 
* Set forth the amount on which the filing fee is calculated and state how it
was determined.

[ ]  Fee paid previously with preliminary materials.
 
[ ]  Check box if any part of the fee is offset as provided by Exchange Act
     Rule 0-11(a)(2) and identify the filing for which the offsetting fee was
     paid previously. Identify the previous filing by registration statement
     number, or the Form or Schedule and the date of its filing.
 
     (1)  Amount Previously Paid:

          --------------------------------------------------------------------- 
     (2)  Form, Schedule or Registration Statement No.:
 
          --------------------------------------------------------------------- 
     (3)  Filing Party:
 
          --------------------------------------------------------------------- 
     (4)  Date Filed:

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<PAGE>   2
               IMPORTANT NEWS FOR SIERRA TRUST FUNDS SHAREHOLDERS


                                     Q & A
 
Q.  WHY AM I RECEIVING THIS PROXY STATEMENT?
 
A.  The parent company of the investment adviser, Great Western Financial
    Corporation, has merged with Washington Mutual, Inc. ("Washington Mutual"),
    the corporate parent of Composite Research & Management Co. ("Composite")
    which is also an investment adviser. Washington Mutual has decided to
    consolidate its investment advisory businesses into a single entity and has
    recommended the consolidation of the Sierra Family of Funds and the mutual
    funds managed by Composite (the "Composite Funds") into a single family of
    funds with a common board of Trustees and a common investment adviser. As a
    result, you are being asked to (1) elect a Board of Trustees that includes
    the current trustees of Sierra Trust Funds (the "Trust") and the current
    directors of the Composite Funds, (2) approve Composite as the new
    investment adviser for nine investment portfolios of the Trust (each a
    "Fund" and, together, the "Funds"), and (3) reapprove certain sub-advisory
    agreements which would otherwise terminate upon the proposed change of
    investment adviser. At this time, you are also being asked to approve a
    proposal to permit the Trust to appoint and replace investment sub-advisers
    for each Fund without seeking or receiving shareholder approval. It is
    believed that this proposal would allow for greater flexibility in the
    selection and retention of investment sub-advisers for the Trust, while
    reducing future expenses associated with obtaining shareholder approval of
    investment sub-advisory agreements.
 
Q.  HOW WILL THIS AFFECT MY ACCOUNT?
 
A.  Generally, none of the proposals will affect your account. You will continue
    to be a shareholder of the same Funds, each of which will continue to
    receive the same shareholder services. Further, each Fund will continue to
    seek its current investment objective, following the current investment
    policies. With respect to the new advisory agreement, the primary difference
    will be that Composite, the proposed new investment adviser, will directly
    provide portfolio management services for the California Money Fund, Short
    Term High Quality Bond Fund and Target Maturity 2002 Fund. The current
    investment sub-adviser for each of the other Funds will continue to provide
    portfolio management services for those Funds. The new investment advisory
    and sub-advisory arrangements will not increase the overall fees paid by the
    Funds.
 
Q.  WHY DO I NEED TO VOTE?
 
A.  Your vote is needed to ensure that the proposals can be acted upon. Your
    immediate response on the enclosed proxy card(s) or by telephone will help
    prevent the need for any further solicitations for a shareholder vote. We
    encourage all shareholders to participate in the governance of the Trust.
 
Q.  HOW DOES THE BOARD OF TRUSTEES SUGGEST THAT I VOTE?
 
A.  After careful consideration, the Board of Trustees unanimously recommends
    that you vote "FOR" each item proposed on the enclosed proxy card(s).
 
Q.  WHO IS PAYING FOR EXPENSES RELATED TO THE SHAREHOLDER MEETING?
 
A.  Composite, the Trust's proposed new investment adviser, or its affiliates
    will pay for expenses relating to the shareholder meeting. The Trust will
    not pay any expenses relating to the shareholder meeting.
 
Q.  HOW DO I VOTE MY SHARES?
 
A.  You may vote by mail, phone, fax or in person at the Special Meeting. To
    vote by mail, sign and send us the enclosed proxy card(s) in the envelope
    provided. You can fax your vote by signing the proxy card(s) and faxing both
    sides of the card(s) to 1-212-269-2796. D.F. King & Co., the proxy
    solicitor, can accept your vote over the phone anytime between 5:00 a.m. and
    6:00 p.m. Pacific Time (8:00 a.m. and 9:00 p.m. Eastern Time), Monday
    through Friday -- simply call 1-800-848-3374. Finally, you can vote in
    person at the Special Meeting on December 23, 1997.
 
Q.  WHOM DO I CALL IF I HAVE QUESTIONS?
 
A.  We will be happy to answer your questions about the proxy solicitation.
    Please call us at 1-800-848-3374 between 5:00 a.m. and 6:00 p.m. Pacific
    Time (8:00 a.m. and 9:00 p.m. Eastern Time), Monday through Friday.

                             THANK YOU FOR MAILING
                           YOUR PROXY CARD PROMPTLY!

             We appreciate your continued support and look forward
                    to serving your future investment needs.

                                  S I E R R A
                                  TRUST FUNDS
                            A Family of Mutual Funds
<PAGE>   3
 
                               SIERRA TRUST FUNDS
                         9301 CORBIN AVENUE, SUITE 333
                          NORTHRIDGE, CALIFORNIA 91324
 
                            ------------------------
 
                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
 
                        TO BE HELD ON DECEMBER 23, 1997
 
TO THE SHAREHOLDERS OF SIERRA TRUST FUNDS:
 
     You are cordially invited to attend a special meeting of the shareholders
of Sierra Trust Funds (the "Trust"), a Massachusetts business trust, on December
23, 1997 at 11:00 a.m. Pacific Time or at any adjournment thereof (the "Special
Meeting"), at the offices of Sierra Fund Administration Corporation, 9301 Corbin
Avenue, Suite 333, Northridge, California 91324. Shareholders of the California
Money Fund, Short Term High Quality Bond Fund, California Municipal Fund,
Florida Insured Municipal Fund, California Insured Intermediate Municipal Fund,
Growth Fund, Emerging Growth Fund, International Growth Fund and Target Maturity
2002 Fund (each a "Fund," and collectively the "Funds"), will be asked to
consider the proposals set forth below and to transact such other business as
may be properly brought before the Special Meeting:
 
PROPOSAL 1:  To consider and act upon a proposal to elect a Board of Trustees of
             the Trust (voted on by the shareholders of the Trust as a whole).
 
PROPOSAL 2:  To approve a new Investment Management Agreement between the Trust,
             on behalf of each Fund, and Composite Research & Management Co.
             ("Composite") (voted on separately by shareholders of each Fund).
 
PROPOSAL 3:  To approve a proposal which would authorize the Board of Trustees
             to replace or appoint investment sub-advisers for each Fund without
             the necessity of seeking shareholder approval (voted on separately
             by shareholders of each Fund).
 
PROPOSAL 4:  To approve a new Investment Sub-Advisory Agreement for the Growth
             Fund between Composite and Janus Capital Corporation ("Janus")
             (voted on by shareholders of the Growth Fund only).
 
PROPOSAL 5:  To approve a new Investment Sub-Advisory Agreement for the Emerging
             Growth Fund between Composite and Janus (voted on by shareholders
             of the Emerging Growth Fund only).
 
PROPOSAL 6:  To approve a new Investment Sub-Advisory Agreement for the
             International Growth Fund between Composite and Warburg Pincus
             Asset Management, Inc. ("Warburg") (voted on by shareholders of the
             International Growth Fund only).
 
PROPOSAL 7:  To approve a new Investment Sub-Advisory Agreement for the
             California Municipal Fund between Composite and Van Kampen American
             Capital Management Inc. ("Van Kampen") (voted on by shareholders of
             the California Municipal Fund only).
 
PROPOSAL 8:  To approve a new Investment Sub-Advisory Agreement for the Florida
             Insured Municipal Fund between Composite and Van Kampen (voted on
             by shareholders of the Florida Insured Municipal Fund only).
 
PROPOSAL 9:  To approve a new Investment Sub-Advisory Agreement for the
             California Insured Intermediate Municipal Fund between Composite
             and Van Kampen (voted on by shareholders of the California Insured
             Intermediate Municipal Fund only).
 
     Only shareholders of the Trust at the close of business on October 29, 1997
are entitled to notice of, and to vote at, the Special Meeting. Shareholders of
the Growth and Income Fund, U.S. Government Fund,
<PAGE>   4
 
Corporate Income Fund, National Municipal Fund, Global Money Fund, U.S.
Government Money Fund and Short Term Global Government Fund will receive a
separate proxy statement regarding the election of Trustees, as well as certain
issues related solely to those funds of the Trust.
 
- --------------------------------------------------------------------------------
     WHETHER OR NOT YOU EXPECT TO BE PRESENT AT THE SPECIAL MEETING, PLEASE
EITHER VOTE YOUR PROXY BY CALLING 1-800-848-3374 OR COMPLETE AND PROMPTLY RETURN
THE ENCLOSED PROXY CARD(S). A POSTAGE-PAID ENVELOPE IS ENCLOSED FOR YOUR
CONVENIENCE SO THAT YOU MAY RETURN YOUR PROXY CARD(S) AS SOON AS POSSIBLE. IT IS
MOST IMPORTANT AND IN YOUR INTEREST FOR YOU TO SIGN AND DATE YOUR PROXY CARD(S)
AND RETURN IT SO THAT A QUORUM WILL BE PRESENT AND A MAXIMUM NUMBER OF SHARES
MAY BE VOTED. THE PROXY IS REVOCABLE AT ANY TIME PRIOR TO ITS USE.
- --------------------------------------------------------------------------------
 
                                          By Order of the Board of Trustees
 
                                          Keith B. Pipes
                                          President
Dated: November 17, 1997
<PAGE>   5
 
                               SIERRA TRUST FUNDS
                         9301 CORBIN AVENUE, SUITE 333
                          NORTHRIDGE, CALIFORNIA 91324
 
                            ------------------------
 
                                PROXY STATEMENT
 
     This Proxy Statement is furnished by the Board of Trustees (the "Board") of
Sierra Trust Funds (the "Trust") on behalf of California Money Fund, Short Term
High Quality Bond Fund, California Municipal Fund, Florida Insured Municipal
Fund, California Insured Intermediate Municipal Fund, Growth Fund, Emerging
Growth Fund, International Growth Fund and Target Maturity 2002 Fund (each a
"Fund," and collectively the "Funds"), in connection with the solicitation of
proxies for use at the special meeting of shareholders of the Trust to be held
on December 23, 1997, at 11:00 a.m. Pacific Time, or at any adjournment thereof
(the "Special Meeting"), at the offices of Sierra Fund Administration
Corporation ("Sierra Administration"), 9301 Corbin Avenue, Suite 333,
Northridge, California 91324. It is expected that the Notice of Special Meeting,
the Proxy Statement and proxy cards will be mailed to shareholders on or about
November 17, 1997.
 
     The primary purpose of the Special Meeting is to (1) ask shareholders to
elect a Board of Trustees, (2) permit shareholders of each Fund to consider a
new Investment Management Agreement (the "New Management Agreement") between the
Trust and Composite Research & Management Co. ("Composite"), (3) approve a
proposal which would authorize the Board to appoint investment sub-advisers for
each Fund without the necessity of seeking shareholder approval, and (4) permit
shareholders of each of the Growth, Emerging Growth, International Growth,
California Municipal, Florida Insured Municipal, and California Insured
Intermediate Municipal Funds to consider new Investment Sub-Advisory Agreements
(each a "New Sub-Advisory Agreement") to take effect following the effectiveness
of the New Management Agreement. The Trust's New Management Agreement is similar
in substance to the Trust's current Investment Advisory Agreements (the "Current
Advisory Agreements"), except that (i) certain administrative services
previously provided under a separate contract and related fees will be part of
the services provided and the fees charged by Composite under the New Management
Agreement and (ii) in the case of the California Money, the Short Term High
Quality Bond and the Target Maturity 2002 Funds, Composite, rather than a
sub-adviser, will retain investment discretion for such Funds. The New
Sub-Advisory Agreements are substantially identical to each applicable Fund's
current Investment Sub-Advisory Agreement (each a "Current Sub-Advisory
Agreement"), except for the parties, dates of execution, effectiveness and
initial term.
 
     If you do not expect to be present at the Special Meeting and wish your
shares to be voted, please date and sign the enclosed Proxy Card ("Proxy") and
mail it in the enclosed reply envelope, allowing sufficient time for the Proxy
to be received on or before 11:00 a.m. Pacific Time on December 23, 1997. No
postage is required if the Proxy is mailed in the United States. You can also
vote your shares by signing the Proxy and faxing both sides of the Proxy to
1-212-269-2796 or by calling D.F. King & Co., the proxy solicitor, at 1-800-
848-3374 anytime between 5:00 a.m. and 6:00 p.m. Pacific Time (8:00 a.m. and
9:00 p.m. Eastern Time), Monday through Friday. If the accompanying Proxy is
executed properly and returned, shares represented by it will be voted at the
Special Meeting in accordance with the instructions on the Proxy. However, if no
instructions are specified, shares will be voted FOR each proposal described
above (each a "Proposal" and, together, the "Proposals"). All shareholders of
the Funds are entitled to vote on Proposals 1, 2 and 3. With respect to
Proposals 4, 5, 6, 7, 8 and 9, only those shareholders of the Growth, Emerging
Growth, International Growth, California Municipal, Florida Insured Municipal
and California Insured Intermediate Municipal Funds, respectively, may vote on
the applicable Proposal for approval of the New Sub-Advisory Agreements.
Shareholders may revoke their Proxies at any time prior to the time they are
voted by giving written notice to the Secretary of the Trust, by delivering a
subsequently dated Proxy or by attending and voting at the Special Meeting. This
Proxy Statement solicits votes on Proposals affecting more than one Fund as set
forth below.
<PAGE>   6
 
Shareholders are requested to vote only on those Proposals affecting the Fund or
Funds of which they are shareholders.
 
<TABLE>
<CAPTION>
                     PROPOSAL                               SHAREHOLDERS ENTITLED TO VOTE
- --------------------------------------------------  ----------------------------------------------
<S>                                                 <C>
Proposal 1 -- (Election of Trustees)                Shareholders of the Trust as a whole
Proposal 2 -- (Approval of New Management           Shareholders of each Fund vote separately
  Agreement)
Proposal 3 -- (Permitting the Trust to Appoint      Shareholders of each Fund vote separately
  Sub-Advisors Without Shareholder Approval)
Proposal 4 -- (Approval of New Sub-Advisory         Shareholders of the Growth Fund only
  Agreement)
Proposal 5 -- (Approval of New Sub-Advisory         Shareholders of the Emerging Growth Fund only
  Agreement)
Proposal 6 -- (Approval of New Sub-Advisory         Shareholders of the International Growth Fund
  Agreement)                                        only
Proposal 7 -- (Approval of New Sub-Advisory         Shareholders of the California Municipal Fund
  Agreement)                                        only
Proposal 8 -- (Approval of New Sub-Advisory         Shareholders of the Florida Insured Municipal
  Agreement)                                        Fund only
Proposal 9 -- (Approval of New Sub-Advisory         Shareholders of the California Insured
  Agreement)                                        Intermediate Municipal Fund only
</TABLE>
 
     The close of business on October 29, 1997 has been fixed as the record date
(the "Record Date") for the determination of shareholders entitled to notice of,
and to vote at, the Special Meeting and at any adjournment thereof. As of the
Record Date, there were 472,174,541.759 shares of the Trust outstanding,
including the following number of shares of each Fund:
 
<TABLE>
<CAPTION>
                                                                       SHARES
                                    FUND                            OUTSTANDING
            -----------------------------------------------------  --------------
            <S>                                                    <C>
            California Money Fund................................  40,904,903.440
            Short Term High Quality Bond Fund....................   6,902,542.315
            California Municipal Fund............................  30,443,312.665
            Florida Insured Municipal Fund.......................   2,556,205.265
            California Insured Intermediate Municipal Fund.......   5,763,436.255
            Growth Fund..........................................  17,500,170.117
            Emerging Growth Fund.................................  12,847,546.362
            International Growth Fund............................  14,262,687.655
            Target Maturity 2002 Fund............................     235,557.899
</TABLE>
 
Each full share will be entitled to one vote at the Special Meeting and each
fraction of a share will be entitled to the fraction of a vote equal to the
proportion of a full share represented by the fractional share.
 
     The expenses of the Special Meeting will be borne by Composite and its
affiliates. The solicitation of Proxies will be largely by mail, but may include
telephonic, telegraphic or oral communication by employees and officers of
Composite and Sierra Administration, their affiliates, or D.F. King & Co., a
proxy solicitor retained for that purpose.
 
     THE TRUST WILL FURNISH TO SHAREHOLDERS, WITHOUT CHARGE, A COPY OF ITS
ANNUAL REPORT FOR THE FISCAL YEAR ENDED JUNE 30, 1997, UPON REQUEST. THE ANNUAL
REPORT OF THE TRUST MAY BE OBTAINED BY WRITTEN REQUEST TO THE TRUST, 9301 CORBIN
AVENUE, SUITE 333, NORTHRIDGE, CALIFORNIA 91324 OR BY CALLING 1-800-222-5852.
 
     The Trust is registered as an open-end management investment company under
the Investment Company Act of 1940 (the "1940 Act") and its shares are
registered under the Securities Act of 1933.
 
                                        2
<PAGE>   7
 
                                  INTRODUCTION
 
     On July 1, 1997, Great Western Financial Corporation ("GWFC"), the indirect
parent of Sierra Investment Advisors Corporation ("Sierra Advisors"), the
Trust's current investment adviser, and Washington Mutual, Inc. ("Washington
Mutual"), a publicly held financial services company, consummated a previously
announced Agreement and Plan of Merger resulting in the merger of GWFC with and
into a wholly owned subsidiary of Washington Mutual (the "Merger"). As a result
of the Merger, Sierra Advisors and its affiliates are now indirect subsidiaries
of Washington Mutual.
 
     The Special Meeting is being called in preparation for the planned
consolidation of the funds managed by Sierra Advisors and its affiliates, and
those managed by Composite, which also is an indirect subsidiary of Washington
Mutual. The planned consolidation will result in a common Board of Trustees and
a single investment adviser, as well as several reorganizations of funds managed
by Sierra Advisors with and into funds managed in accordance with similar or
compatible investment objectives and policies managed by Composite or Sierra
Advisors. This Proxy Statement relates only to the Proposals and the relevant
Funds listed above, none of which is being reorganized, and does not deal with
the proposed reorganizations of other funds managed by Sierra Advisers or
Composite.
 
PROPOSAL 1:  TO CONSIDER AND ACT UPON A PROPOSAL TO ELECT A BOARD OF TRUSTEES OF
THE TRUST.
 
     At the Special Meeting, it is proposed that thirteen Trustees be elected to
hold office until their successors are duly elected and qualified. The persons
named in the accompanying Proxy intend, in the absence of contrary instructions,
to vote all Proxies on behalf of the shareholders for the election of David E.
Anderson, Wayne L. Attwood, M.D., Arthur H. Bernstein, Esq., Kristianne Blake,
Edmond R. Davis, Esq., John W. English, Anne V. Farrell, Michael K. Murphy,
Alfred E. Osborne, Jr., Ph.D., William G. Papesh, Daniel L. Pavelich, Jay Rockey
and Richard C. Yancey (each a "Nominee" and collectively, the "Nominees").
Messrs. Anderson, Bernstein, Davis, English and Osborne are currently members of
the Board of Trustees of the Trust. Messrs. Attwood, Murphy, Papesh, Pavelich,
Rockey and Yancey and Mmes. Blake and Farrell currently serve on the Boards of
Directors of the mutual funds managed by Composite (the "Composite Funds"), but
have not previously served on the Board of Trustees of the Trust. Approval of
this Proposal will provide a single Board combining the current Trustees of the
Trust and the current Directors of the Composite Funds. It is also currently
anticipated that the various Composite Funds will be reorganized into a single
trust (the "Composite Trust") with a number of funds and that, at that time,
each of the current Trustees will be nominated to serve on the board of trustees
of the Composite Trust.
 
     Each of the Nominees has consented to being named in this Proxy Statement
and to serving as a Trustee if elected. The Trust knows of no reason why any
Nominee would be unable or unwilling to serve if elected. If any or all of the
Nominees should become unavailable for election due to events not now known or
anticipated, the persons named as proxies will vote for such other nominee or
nominees as the Board of Trustees may recommend.
 
     The Trust is organized as a business trust under the laws of The
Commonwealth of Massachusetts. Under Massachusetts law, the Trust is not
required to hold annual meetings. The Trust has availed itself of this provision
and achieves cost savings by eliminating printing costs, mailing charges and
other expenses involved in routine annual meetings. Because the Trust does not
hold regular annual shareholder meetings, each Nominee, if elected, will hold
office until his or her successor is elected and qualified.
 
     Even with the elimination of routine annual meetings, the Board may call
special meetings of shareholders for action by shareholder vote as may be
required by the 1940 Act, or as required or permitted by the Trust's Master
Trust Agreement. Shareholder meetings will be held, in compliance with the 1940
Act, to elect Trustees under certain circumstances. Shareholder meetings may
also be held by the Trust for other purposes, including to approve investment
policy changes, a new investment advisory agreement or other matters requiring
shareholder action under the 1940 Act.
 
     A meeting also may be called by shareholders holding at least 10% of the
shares entitled to vote at the meeting for the purpose of voting upon the
removal of Trustees, in which case shareholders may receive
 
                                        3
<PAGE>   8
 
assistance in communicating with other shareholders as if the provisions
contained in Section 16(c) of the 1940 Act applied.
 
INFORMATION REGARDING NOMINEES
 
     The following information is provided for each Nominee. It includes his or
her name, position with the Trust, if any, tenure in office, age, principal
occupations or employment during the past five years, trusteeships/directorships
with other companies which file reports periodically with the Securities and
Exchange Commission ("SEC"), number of trustee positions with the registered
investment companies which hold themselves out to investors as related companies
for purposes of investment and investor services or to which Sierra Advisors or
an affiliated person of Sierra Advisors provides investment advisory or
administration services (the "Sierra Fund Complex," consisting of the Trust, The
Sierra Variable Trust, Sierra Prime Income Fund and Sierra Asset Management
Portfolios, and the "Composite Funds," consisting of Composite Bond & Stock
Fund, Inc., Composite Growth & Income Fund, Inc., Composite Northwest Fund,
Inc., Composite U.S. Government Securities, Inc., Composite Income Fund, Inc.,
Composite Tax-Exempt Bond Fund, Inc. and Composite Cash Management Company),
number of shares of the funds of the Trust beneficially owned and percentage of
shares of the funds of the Trust beneficially owned. As of October 29, 1997, the
Nominees as a group beneficially owned an aggregate of less than 1% of the
shares of each fund of the Trust and the Trustees and officers of the Trust as a
group beneficially owned an aggregate of less than 1% of the shares of each fund
of the Trust.
 
<TABLE>
<CAPTION>
                                  ADDRESS AND BUSINESS EXPERIENCE
                                          DURING THE PAST
    NAME, AGE AND POSITION             FIVE YEARS (INCLUDING           SHARES BENEFICIALLY OWNED AS OF
        WITH THE TRUST                     DIRECTORSHIPS)                     OCTOBER 29, 1997**
- -------------------------------  ----------------------------------  ------------------------------------
<S>                              <C>                                 <C>
ARTHUR H. BERNSTEIN, ESQ. (72)   11661 San Vicente Blvd., Suite      Global Money Fund - 237
  Chairman of the Board of       701,                                California Money Fund - 5,262
  Trustees and Trustee since     Los Angeles, CA 90049               California Municipal Fund - 11
  1989.                          President, Bancorp Capital Group,   Corporate Income Fund - 406
                                 Inc., 1988 to present; President,
                                 Bancorp Venture Capital, Inc.,
                                 1988 to present. Trustee of 4
                                 trusts in the Sierra Fund Complex.

DAVID E. ANDERSON (70)           17960 Seabreeze Drive               California Municipal Fund - 1,253
  Trustee since 1989.            Pacific Palisades, CA 90272         California Insured Intermediate
                                 Retired. Formerly, President and    Municipal Fund - 498
                                 Chief Executive Officer, GTE        International Growth Fund - 1,261
                                 California, Inc., 1979 to 1988.     Short Term Global
                                 Trustee of 4 trusts in the Sierra   Government Fund - 4,008
                                 Fund Complex.                       Growth Fund - 1,277

EDMOND R. DAVIS, ESQ. (69)       550 South Hope Street, 21st Floor   California Money Fund - 101,144
  Trustee since 1989.            Los Angeles, CA 90071               Global Money Fund - 17,419
                                 Partner, Brobeck, Phleger &
                                 Harrison (law firm) 1987 to
                                 present. Trustee of 4 trusts in
                                 the Sierra Fund Complex.

JOHN W. ENGLISH (64)             50H New England Ave.                Growth and Income - 758
  Trustee since 1994.            P.O. Box 640                        International Growth Fund - 717
                                 Summit, NJ 07902-0640               Growth Portfolio - 1,672
                                 Retired. Formerly, Vice President
                                 and Chief Investment Officer, Ford
                                 Foundation, 1981 to 1993. Chairman
                                 of the Board and Director, The
                                 China Fund, Inc. (a closed-end
                                 mutual fund), 1993 to present;
                                 Director, The Northern Trust
                                 Company's Benchmark Funds
                                 (open-end mutual funds), 1994 to
                                 present. Trustee of 4 trusts in
                                 the Sierra Fund Complex.
</TABLE>
 
                                        4
<PAGE>   9
 
<TABLE>
<CAPTION>
                                  ADDRESS AND BUSINESS EXPERIENCE
                                          DURING THE PAST
    NAME, AGE AND POSITION             FIVE YEARS (INCLUDING           SHARES BENEFICIALLY OWNED AS OF
        WITH THE TRUST                     DIRECTORSHIPS)                     OCTOBER 29, 1997**
- -------------------------------  ----------------------------------  ------------------------------------
<S>                              <C>                                 <C>
ALFRED E. OSBORNE, JR., PH.D.    110 Westwood Plaza, Suite C305      Global Money Fund - 1,024
  (52)                           Los Angeles, CA 90095-1481          Corporate Income Fund - 638
  Trustee since 1996.            Professor, The Anderson School and  Growth and Income Fund - 286
                                 Director, The Harold Price Center   International Growth Fund - 667
                                 for Entrepreneurial Studies at      Short Term Global Government Fund -
                                 University of California at Los     154
                                 Angeles, 1972 to present;
                                 Independent general partner,
                                 Technology Funding Venture
                                 Partners V, 1990 to present.
                                 Director, Times Mirror Company,
                                 1980 to present; Director, United
                                 States Filter Corporation, 1991 to
                                 present; Director, Nordstrom,
                                 Inc., 1987 to present; Director,
                                 Greyhound Lines, Inc., 1994 to
                                 present. Trustee of 4 trusts in
                                 the Sierra Fund Complex, 1989 to
                                 1993 and 1996 to present.

WAYNE L. ATTWOOD, M.D. (68)      2931 S. Howard                      None
  Nominee                        Spokane, WA 99203
                                 Retired. Formerly, Doctor of
                                 internal medicine and
                                 gastroenterology. Director of all
                                 of the Composite Funds.

KRISTIANNE BLAKE (43)            705 W. 7th, Suite D                 None
  Nominee                        Spokane, WA 99203
                                 President, Kristianne Gates Blake,
                                 PS (accounting services). Director
                                 of all of the Composite Funds.
ANNE V. FARRELL *(62)            425 Pike Street, Suite 510          None
  Nominee                        Seattle, WA 98101
                                 President and Chief Executive
                                 Officer, The Seattle Foundation.
                                 Director, Washington Mutual, Inc.
                                 Director of all of the Composite
                                 Funds.

MICHAEL K. MURPHY* (60)          P.O. Box 3366                       None
  Nominee                        Spokane, WA 99220
                                 Chairman and Chief Executive
                                 Officer, CPM Development
                                 Corporation (holding company).
                                 Director, Washington Mutual, Inc.
                                 Director of all of the Composite
                                 Funds.

WILLIAM G. PAPESH* (54)          601 W. Main Avenue, Suite 801       None
  Nominee                        Spokane, WA 99201
                                 President and Director, Composite,
                                 1995 to present, President and
                                 Director, Composite Funds
                                 Distributor, Inc., 1997 to
                                 present. President and Director,
                                 Murphey Favre Securities Services
                                 Inc., 1987 to present. President
                                 and Director of all of the
                                 Composite Funds, 1989 to present.

DANIEL L. PAVELICH (53)          Two Prudential Plaza,               None
  Nominee                        180 North Stetson Ave., Suite 4300
                                 Chicago, Il 60601
                                 Chairman and Chief Executive
                                 Officer, BDO Seidman (accounting
                                 and consulting). Director of all
                                 of the Composite Funds.

JAY ROCKEY (69)                  2121 Fifth Avenue                   None
  Nominee                        Seattle, WA 98121
                                 Chairman and Chief Executive
                                 Officer, The Rockey Company
                                 (public relations). Director of
                                 all of the Composite Funds.
</TABLE>
 
                                        5
<PAGE>   10
 
<TABLE>
<CAPTION>
                                  ADDRESS AND BUSINESS EXPERIENCE
                                          DURING THE PAST
    NAME, AGE AND POSITION             FIVE YEARS (INCLUDING           SHARES BENEFICIALLY OWNED AS OF
        WITH THE TRUST                     DIRECTORSHIPS)                     OCTOBER 29, 1997**
- -------------------------------  ----------------------------------  ------------------------------------
<S>                              <C>                                 <C>
RICHARD C. YANCEY (71)           535 Madison Avenue                  None
  Nominee                        New York, NY 10022
                                 Senior Advisor, Dillon, Read &
                                 Co., Inc. (broker/dealer and
                                 investment bank) Director of all
                                 of the Composite Funds.
</TABLE>
 
- ---------------
 
 * Denotes an individual who is an "interested person" as defined in the 1940
   Act.
 
** This information has been provided by each Nominee.
 
COMPENSATION OF TRUSTEES
 
     Each Trustee who is not an "interested person" within the meaning of the
1940 Act ("Disinterested Trustee") receives an aggregate annual fee (plus
reimbursement for reasonable out-of-pocket expenses incurred in connection with
his or her attendance at Board and committee meetings) from the Trust and all of
the trusts in the Sierra Fund Complex for which he or she serves. The Trust pays
each Trustee who is not a director, officer or employee of Washington Mutual,
Sierra Services, Sierra Advisors, any of the investment sub-advisers or First
Data Investor Services Group, Inc., or any of their affiliates, $7,500 per annum
plus $1,500 per Board meeting attended, $1,000 per Audit and/or Nominating
Committee meeting attended and reimbursement for travel and out-of-pocket
expenses. Since December 1996, the Chairman has received one and a half times
the normal Trustee's compensation. The Chairman of the Audit Committee receives
$1,500 per Audit Committee meeting attended. Officers of the Trust receive no
direct remuneration from the Trust for serving in such capacity. Officers of the
Trust who are employees of Sierra Advisors or its affiliates may be considered
to have received remuneration indirectly.
 
     Pursuant to an exemptive order granted by the SEC, the Trust's eligible
Trustees may participate in a deferred compensation plan (the "Plan"), which may
be terminated at any time. Under the Plan, Trustees may elect to defer receipt
of all or a portion of their fees which, in accordance with the Plan, may be
invested in shares of funds in the Sierra Fund Complex. Upon termination of the
Plan, Trustees that have deferred amounts under the Plan will be paid benefits
no later than the time the payments would otherwise have been made without
regard to such termination. All benefits provided under the Plan are funded and
any payments to Plan participants are paid solely out of the Trust's assets.
 
     The aggregate compensation payable by the Trust to each of the Trustees
serving during the fiscal year ended June 30, 1997 is set forth in the
compensation table below. The aggregate compensation payable to such Trustees
during the fiscal year ended June 30, 1997, by the Sierra Fund Complex is also
set forth in the compensation table below. The Trustees do not receive any
pension or retirement benefits from any Trust.
 
                               COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                          TOTAL COMPENSATION
                                          AGGREGATE COMPENSATION     FROM THE SIERRA FUND COMPLEX
             NAME AND POSITION            PAYABLE FROM THE TRUST         PAYABLE TO TRUSTEES*
    -----------------------------------  ------------------------   -------------------------------
    <S>                                  <C>                        <C>
    Arthur H. Bernstein, Chairman and
      Trustee..........................          $ 22,938**         $54,063 for service on 4 boards
    David E. Anderson, Trustee.........            18,000            42,000 for service on 4 boards
    Edmond R. Davis, Trustee...........            18,000            42,000 for service on 4 boards
    John W. English, Trustee...........            18,000            42,000 for service on 4 boards
    Alfred E. Osborne, Jr., Trustee....            18,000            42,000 for service on 4 boards
</TABLE>
 
- ---------------
 
  * Sierra Advisors reimbursed the Trust for the cost, including Trustees' fees,
    of all special meetings held with regard to contemplation of the sale of
    Sierra Capital Management Corporation, as well as the Merger.
 
 ** Mr. Bernstein defers, pursuant to the Plan, all compensation received from
    the Trust.
 
                                        6
<PAGE>   11
 
MEETINGS AND COMMITTEES OF THE BOARD OF TRUSTEES
 
     There were fifteen meetings of the Board of Trustees held during the fiscal
year ended June 30, 1997. During that fiscal year, all Trustees attended at
least 75% of the meetings of the Board.
 
     The Board has an Audit Committee. The Audit Committee makes recommendations
to the full Board with respect to the engagement of independent accountants and
reviews the results of the audit engagement and matters having a material effect
on the Funds' financial operations with the independent accountants. The members
of the Audit Committee during the fiscal year ended June 30, 1997, were Messrs.
Bernstein (Chairman), Anderson, Davis, English and Osborne, each of whom is a
Disinterested Trustee. The Audit Committee met once during the fiscal year ended
June 30, 1997 and all members attended the meeting.
 
     The Board has a Nominating Committee. The Nominating Committee makes
recommendations to the full Board with respect to candidates for the Board. The
members of the Nominating Committee during the fiscal year ended June 30, 1997,
were Messrs. Cerini (Mr. Cerini resigned as a Trustee of the Trust effective May
29, 1997), Anderson, Bernstein, Davis, Osborne and English, each of whom, with
the exception of Mr. Cerini, is a Disinterested Trustee. The Nominating
Committee did not meet during the fiscal year ended June 30, 1997.
 
BOARD APPROVAL OF THE ELECTION OF TRUSTEES
 
     At a meeting of the Board held on October 27-28, 1997, the Board
recommended that shareholders vote FOR each of the Nominees for Trustee named
herein. In recommending that shareholders elect the Nominees as Trustees of the
Trust, the Board considered the Nominees' experience and qualifications. In
particular, the Board took into account the fact that each of the Nominees who
has not previously served on the Board has previous experience serving on the
Boards of Directors of the Composite Funds.
 
SHAREHOLDER APPROVAL OF THE ELECTION OF TRUSTEES
 
     The Election of each Nominee requires the affirmative vote of a plurality
of all votes cast at the Special Meeting, provided that a majority of the shares
entitled to vote are present in person or by Proxy at the Special Meeting. If
your shares are represented at the meeting but you give no voting instructions,
your shares will be voted FOR all Nominees named herein. If the Nominees are not
approved by shareholders of the Trust, the Board will consider alternative
nominations.
 
THE BOARD OF TRUSTEES RECOMMENDS THAT THE SHAREHOLDERS OF THE TRUST VOTE FOR THE
                           ELECTION OF THE NOMINEES.
 
PROPOSAL 2:  TO APPROVE A NEW INVESTMENT MANAGEMENT AGREEMENT BETWEEN THE TRUST,
             ON BEHALF OF EACH FUND, AND COMPOSITE RESEARCH & MANAGEMENT CO.
 
     The Board has approved, subject to shareholder approval, the appointment of
Composite as the investment adviser for each Fund and recommends that
shareholders of each Fund approve the New Management Agreement between the
Trust, on behalf of each Fund, and Composite, a form of which is attached hereto
as Exhibit A. The Trustees of the Trust, including all of the Disinterested
Trustees, approved the New Management Agreement with respect to each Fund at a
meeting held on October 27-28, 1997. The Trustees do not anticipate, as a result
of the change in investment advisers, any reduction in the quality of services
now provided to the Funds.
 
     The Trustees are recommending that Composite replace the Funds' current
investment adviser, Sierra Advisors. Sierra Advisors, as the result of the
Merger, is an indirect subsidiary of Washington Mutual. Washington Mutual has
indicated that it intends to consolidate all of its investment advisory
businesses within Composite. As a result of such consolidation, which would
likely occur in early 1998, Sierra Advisors would cease to exist as a separate
entity.
 
                                        7
<PAGE>   12
 
SIERRA ADVISORS
 
     Sierra Advisors is registered under the Investment Advisers Act of 1940
(the "Advisers Act") and is currently the investment adviser to each Fund of the
Trust. Although Sierra Advisors serves as investment adviser to each Fund,
investment discretion for the Funds has been delegated to various sub-advisers.
Nonetheless, Sierra Advisors remains responsible for analyzing economic and
market trends; formulating and assessing investment policies and recommending
changes to the Board where appropriate; supervising compliance by sub-advisers
with each Fund's investment objectives, policies and limits, as well as with
laws and regulations applicable to each Fund; evaluating the performance of the
sub-advisers in light of selected benchmarks and the needs of the Funds;
evaluating potential additional or replacement sub-advisers and recommending
changes to the Board where appropriate; and reporting to the Board and
shareholders on the foregoing. The sub-advisers, in turn, are responsible for
continuously reviewing, supervising and administering the particular Fund's
investment program.
 
COMPOSITE
 
     Composite, a subsidiary of Washington Mutual, with principal offices
located at 1201 Third Avenue, Seattle, Washington 98101, is also registered
under the Advisers Act. Composite has been in the investment management business
since 1944 and currently manages more than $2.6 billion for mutual funds and
institutional accounts, including more than $1.7 billion within the Composite
Funds. It is anticipated that Composite would manage the day to day portfolio
operations of the California Money Fund, Short Term High Quality Bond Fund, and
Target Maturity 2002 Fund, but would, at least initially, delegate investment
discretion for the remaining Funds to the sub-advisers listed in Proposals 4
through 9 of this Proxy Statement.
 
DIRECTORS AND PRINCIPAL EXECUTIVE OFFICERS OF COMPOSITE
 
<TABLE>
<CAPTION>
   NAME AND POSITION
     WITH COMPOSITE            ADDRESS                      PRINCIPAL OCCUPATION
- ------------------------  ------------------  ------------------------------------------------
<S>                       <C>                 <C>
William G. Papesh         1201 Third Avenue   Director and President, Composite Research &
  Director and President  Seattle, WA 98101   Management Co.; Director and President, Murphey
                                              Favre Securities Services, Inc.; Director and
                                              President, Composite Fund Distributors, Inc.

Kerry K. Killinger        1201 Third Avenue   Chairman, President, Chief Executive Officer and
  Director                Seattle, WA 98101   Director, Washington Mutual Inc.

Monte D. Calvin           1201 Third Avenue   First Vice President and Director, Murphey Favre
  Director and Treasurer  Seattle, WA 98101   Securities Services, Inc.; Director and
                                              Treasurer, Composite Research & Management Co.;
                                              Director, Composite Funds Distributors, Inc.

Craig S. Davis            1201 Third Avenue   Executive Vice President, Washington Mutual
  Director                Seattle, WA 98101   Inc.; Director, Composite Research & Management
                                              Co.; Director, Murphey Favre Services, Inc.;
                                              Director, Composite Funds Distributors, Inc.;
                                              Director, WM Financial Services, Inc.

J. Pamela Dawson          1201 Third Avenue   Director and President, WM Financial Services,
  Director                Seattle, WA 98101   Inc.; Director, Composite Research & Management
                                              Co.; Director, Murphey Favre Securities
                                              Services, Inc.; Director, Composite Funds
                                              Distributors, Inc.
</TABLE>
 
THE PROPOSED INVESTMENT MANAGEMENT AGREEMENT
 
     In anticipation of the consolidation of Sierra Advisors with Composite, as
described in the Introduction above, the Board of Trustees, including the
Disinterested Trustees, unanimously approved the New Management Agreement.
Although the form of the New Management Agreement is different from the form of
the Current Advisory Agreements, the material provisions of the New Management
Agreement, but for the exceptions highlighted below, are substantially similar
to the material provisions of the Current Advisory Agreements between Sierra
Advisors and the Funds.
 
                                        8
<PAGE>   13
 
     In the case of the Short Term High Quality Bond Fund, the California Money
Fund and the Target Maturity 2002 Fund, the New Management Agreement allows for
the appointment of a sub-adviser, but Composite has recommended, and the
Trustees have approved, that Composite retain investment discretion, rather than
continuing with the current sub-advisory arrangements. With respect to the other
Funds, although the present intention is to continue the current sub-advisory
arrangements, Composite may in the future recommend to the Trustees that
Composite also retain investment discretion for such Funds. The New Management
Agreement differs from the Current Advisory Agreements for all Funds in that the
New Management Agreement governs both the investment advisory services provided
under the Current Advisory Agreements and certain of the administrative services
currently provided to the Funds by Sierra Administration pursuant to an
Administration Agreement (the "Current Administration Agreement") at an annual
rate of compensation equal to 0.35% (0.30% for the California Money Fund) of
average daily net assets of each Fund. Transfer agency services provided to the
Funds under the Trust's current transfer agency agreement and paid for under the
Current Administration Agreement would continue to be provided to the Funds
under a separate agreement (the "Proposed Transfer Agency Agreement"). Because
the New Management Agreement governs both investment advisory and certain
administrative services, the proposed fees under the New Management Agreement
are higher than those in the Current Advisory Agreements, but the total fees for
investment advisory, administrative and transfer agency services is not expected
to increase for any Fund, other than the California Money Fund, as shown below.
 
<TABLE>
<CAPTION>
                                                                                         PRO FORMA
                                                COMBINED FEES UNDER                 COMBINED FEES UNDER
                                            CURRENT ADVISORY AGREEMENT                NEW MANAGEMENT
                                            AND CURRENT ADMINISTRATION        AGREEMENT AND PROPOSED TRANSFER
                                           AGREEMENT (NET OF FEE WAIVERS             AGENCY AGREEMENT
                 FUND                      AND EXPENSE REIMBURSEMENTS)*           (NET OF FEE WAIVERS)**
- --------------------------------------    -------------------------------     -------------------------------
<S>                                       <C>                                 <C>
California Money Fund.................                  0.45%                               0.56%***
Short Term High Quality Bond Fund.....                  0.36%                               0.24%
California Municipal Fund.............                  0.76%                               0.61%
Florida Insured Municipal Fund........                  0.40%                               0.26%
California Insured Intermediate
  Municipal Fund......................                  0.60%                               0.38%
Growth Fund...........................                  1.26%                               1.23%
Emerging Growth Fund..................                  1.22%                               1.19%
International Growth Fund.............                  1.18%                               1.13%
Target Maturity 2002 Fund.............                 -1.70%                              -1.70%
</TABLE>
 
- ---------------
 
  * Effective fee rate based on average daily net assets for fiscal year end
    June 30, 1997 restated to reflect anticipated management fees and
    administration fees.
 
 ** Transfer agency fees are charged monthly per account. Assumes no change in
    average account size from June 30, 1997.
 
*** Although the Combined Fees are expected to increase, a proposed decrease in
    12b-1 fees would result in lower total Fund expenses.
 
     In addition to the foregoing, the New Management Agreement, unlike the
Current Advisory Agreements, does not attempt to restate the provisions of
Section 36 of the 1940 Act that impose upon Composite a fiduciary duty with
respect to the receipt of compensation by Composite and its affiliates for
services. Also, the New Management Agreement differs from the Current Advisory
Agreements as follows: (1) the identity of the manager; (2) the dates of
execution, effectiveness and initial term; (3) the deletion of provisions
relating to state expense limits that have been preempted by federal law; (4)
inclusion of a specific provision allowing for amendment of the Agreement under
limited circumstances; (5) inclusion of a provision restricting the Trust's use
of the proprietary names "Sierra" and "Composite"; and (6) provision for
termination of the New Management Agreement by Composite upon 60 days' notice,
rather than the 90 days' notice required under the Current Advisory Agreements.
See "The New Management Agreement" below.
 
                                        9
<PAGE>   14
 
THE CURRENT ADVISORY AGREEMENTS
 
     The Current Advisory Agreements between Sierra Advisors and each Fund were
most recently renewed by the Trustees at a meeting of the Board held on
September 9, 1997, and are dated and were last approved by the shareholders of
each Fund on the following dates:
 
<TABLE>
<CAPTION>
                                                  DATE OF CURRENT      DATE LAST APPROVED BY
                       FUND                     ADVISORY AGREEMENT          SHAREHOLDERS
    ------------------------------------------  -------------------    ----------------------
    <S>                                         <C>                    <C>
    California Money Fund.....................     July 7, 1989         September 28, 1990**
    Short Term High Quality Bond Fund.........   September 6, 1993               *
    California Municipal Fund.................     July 7, 1989          October 25, 1991**
    Florida Insured Municipal Fund............     June 2, 1993                  *
    California Insured Intermediate Municipal
      Fund....................................     April 1, 1994                 *
    Growth Fund...............................     April 1, 1993                 *
    Emerging Growth Fund......................     July 18, 1990         October 22, 1993+
    International Growth Fund.................     July 18, 1990         October 14, 1994++
    Target Maturity 2002 Fund.................    March 17, 1995                 *
</TABLE>
 
- ---------------
 
 * Approved by Sole Shareholder at commencement of operations.
 
** Agreement submitted for approval pursuant to an undertaking to the SEC to
   submit the Current Advisory Agreement relating to a new Fund to shareholders
   for their approval at the first meeting of shareholders following the new
   Fund's initial offering of shares.
 
 + New Agreement submitted for approval in order to adjust compensation paid to
   the investment adviser.
 
++ New Agreement submitted for approval because of changes in the sub-advisory
   fee structure.
 
     The Current Advisory Agreements provide that Sierra Advisors, in return for
its fee, will (1) participate in the formulation of each Fund's investment
policies; (2) analyze economic trends affecting each Fund; (3) monitor the
expenses incurred by each Fund; (4) monitor the brokerage and research services
(as those terms are defined in Section 28(e) of the Securities Exchange Act of
1934) that are provided to each Fund and that may be considered by each Fund's
investment sub-adviser in selecting brokers or dealers to execute particular
transactions; and (5) monitor and evaluate the services provided by each Fund's
investment sub-adviser under its investment sub-advisory agreement, including,
without limitation, the sub-advisor's adherence to the Fund's investment
objective(s) and policies and the Fund's investment performance. Subject to the
approval of the Board and the shareholders of each Fund, Sierra Advisors may
delegate certain of its duties enumerated above to one or more sub-advisers.
 
     The Current Advisory Agreements provide for payment of compensation to
Sierra Advisors on the first business day of each month for the previous month
at the following annual rates:
 
<TABLE>
<CAPTION>
                                                                AMOUNT OF ASSETS ($ MILLIONS)
                                           ------------------------------------------------------------------------
                                                      AFTER 50;   AFTER 100;   AFTER 125;   AFTER 200;      OVER
                  FUND                     FIRST 50    NEXT 50     NEXT 25      NEXT 75      NEXT 300       500
- -----------------------------------------  --------   ---------   ----------   ----------   ----------   ----------
<S>                                        <C>        <C>         <C>          <C>          <C>          <C>
California Money Fund*...................     .50%       .50%         .50%         .50%        .50%         .40%
Short Term High Quality Bond Fund........     .50%       .50%         .50%         .50%        .45%         .40%
California Municipal Fund**..............     .65%       .65%         .65%         .65%        .65%         .50%
Florida Insured Municipal Fund**.........     .60%       .60%         .60%         .60%        .60%         .45%
California Insured Intermediate Municipal
  Fund**.................................     .65%       .65%         .65%         .65%        .65%         .50%
Growth Fund..............................     .95%       .95%         .90%         .90%        .875%        .875%
Emerging Growth Fund.....................     .90%       .90%         .85%         .85%        .85%         .75%
International Growth Fund................     .95%       .85%         .85%         .65%        .65%         .65%
Target Maturity 2002 Fund................     .25%       .25%         .25%         .25%        .25%         .20%
</TABLE>
 
- ---------------
 
                                       10
<PAGE>   15
 
 * Sierra Advisors has contractually agreed to limit the annual management fee
   that is payable under the Current Advisory Agreement for the California Money
   Fund to 0.40% through June 30, 1998.
 
** For these Funds, Sierra Advisors has contractually agreed to limit the annual
   management fees that are payable under the Current Advisory Agreements to
   0.55% through June 30, 1998.
 
     The Current Advisory Agreements provide that Sierra Advisors will bear all
expenses in connection with the performance of its services under the Current
Advisory Agreements, including, without limitation, payment of sub-advisory fees
to any sub-adviser. Each Fund assumes and shall pay or cause to be paid all
other expenses of the Fund.
 
     The Current Advisory Agreements are terminable, without penalty, upon 60
days' written notice by the Board or by vote of holders of a majority of a
Fund's shares, or upon 90 days' written notice by Sierra Advisors. Each Current
Advisory Agreement will terminate automatically in the event of its assignment.
 
     The Current Advisory Agreements obligate Sierra Advisors, in the
performance of its duties, to exercise its best judgment in rendering its
services, but provides that Sierra Advisors shall not be liable for any act or
omission which does not constitute willful misfeasance, bad faith or gross
negligence on the part of Sierra Advisors or its officers, Trustees or
employees, or reckless disregard by Sierra Advisors of its obligations and
duties under the agreement. The Current Advisory Agreements also provide that
any claims by Sierra Advisors against a Fund may be satisfied only from the
assets of that Fund, and that no shareholder, Trustee or officer of a Fund, or
any other Fund may be held personally liable or responsible for any obligations
arising out of such agreement.
 
     For the fiscal year ended June 30, 1997, each Fund paid management fees to
Sierra Advisors, administration fees to Sierra Administration, and distribution
fees to Sierra Investment Services Corporation as follows:
 
<TABLE>
<CAPTION>
                                                                ADMINISTRATION
                    FUND                   MANAGEMENT FEES*          FEES          DISTRIBUTION FEES
    -------------------------------------  ----------------     --------------     ------------------
    <S>                                    <C>                  <C>                <C>
    California Money Fund................     $   51,589          $  140,313           $  117,490
    Short Term High Quality Bond Fund....     $        0**        $  107,344           $  105,759
    California Municipal Fund............     $  982,429          $1,312,972           $1,115,027
    Florida Insured Municipal Fund.......     $        0***       $  110,484           $  117,846
    California Insured Intermediate
      Municipal Fund.....................     $   48,297          $  253,706           $  341,927
    Growth Fund..........................     $2,418,645          $  927,458           $  915,910
    Emerging Growth Fund.................     $2,600,399          $1,050,164           $1,025,883
    International Growth Fund............     $1,444,004          $  616,002           $  505,118
    Target Maturity 2002 Fund............     $        0#         $   10,859           $    7,756
</TABLE>
 
- ---------------
 
  * After fee waivers.
 
 ** After expense reimbursement of $40,836.
 
*** After expense reimbursement of $22,193.
 
 # After expense reimbursement of $59,718.
 
THE NEW MANAGEMENT AGREEMENT
 
     The Board of Trustees approved the proposed New Management Agreement
between the Trust and Composite, a form of which is attached as Exhibit A
hereto, at a meeting held October 27-28, 1997. The New Management Agreement
provides that Composite, in return for its fee, will (1) provide supervision of
each Fund's investments, furnish a continuous investment program for each Fund's
portfolio and determine from time to time what securities will be purchased,
retained, or sold by each Fund, and what portion of the assets will be invested
or held as cash; (2) determine the securities to be purchased or sold by each
Fund and place orders for the purchase and sale of portfolio securities pursuant
to its determinations with brokers or dealers it
 
                                       11
<PAGE>   16
 
selects; and (3) provide those administrative services (other than transfer
agency services) previously provided by Sierra Administration pursuant to the
Current Administration Agreement. Subject to the provisions of the Master Trust
Agreement of Trust of the Trust and the 1940 Act, Composite may delegate certain
of its duties enumerated above to one or more sub-advisers.
 
     The New Management Agreement provides that Composite will bear all expenses
in connection with the performance of its services under the Agreement,
including payment of sub-advisory fees to any sub-adviser, administration fees
to Murphey Favre Securities Services, Inc. for administration services,
portfolio accounting and regulatory compliance systems, and the salaries and
expenses of any of the officers or employees of Composite who act as officers,
Trustees or employees of the Trust; but excluding the cost of securities
purchased for each Fund and the amount of any brokerage fees and commissions
incurred in executing portfolio transactions for the Funds. Each Fund assumes
and shall pay or cause to be paid all other expenses of the Fund.
 
     The New Management Agreement is terminable, without penalty, upon 60 days'
written notice by the Board or by vote of holders of a majority of a Funds'
shares, or upon 60 days' written notice by Composite. The New Management
Agreement will terminate automatically in the event of its assignment.
 
     The New Management Agreement obligates Composite, in the performance of its
duties, to exercise its best judgment in rendering its services, but provides
that Composite shall not be liable for any act or omission which does not
constitute willful misfeasance, bad faith or gross negligence on the part of
Composite or its officers, directors or employees, or reckless disregard by
Composite of its obligations and duties under the agreement. The New Management
Agreement also provides that any claims by Composite against a Fund may be
satisfied only from the assets of that Fund, and that no shareholder, Trustee,
officer, employee or agent of a Fund, or any other Fund may be held personally
liable or responsible for any obligations arising out of such agreement.
 
     The New Management Agreement provides for payment to Composite of a monthly
fee computed on the average daily net assets of each Fund at the following
annual rates:
 
<TABLE>
<CAPTION>
                                                                AMOUNT OF ASSETS ($ MILLIONS)
                                           ------------------------------------------------------------------------
                                                      AFTER 50;   AFTER 100;   AFTER 125;   AFTER 200;      OVER
                  FUND                     FIRST 50    NEXT 50     NEXT 25      NEXT 75      NEXT 300       500
- -----------------------------------------  --------   ---------   ----------   ----------   ----------   ----------
<S>                                        <C>        <C>         <C>          <C>          <C>          <C>
California Money Fund*...................     .45%        .45%        .45%          .45%       .45%         .40%
Short Term High Quality Bond Fund*.......     .50%        .50%        .50%          .50%       .45%         .40%
California Municipal Fund**..............     .70%        .70%        .70%          .70%       .70%         .55%
Florida Insured Municipal Fund**.........     .70%        .70%        .70%          .70%       .70%         .55%
California Insured Intermediate Municipal
  Fund**.................................     .70%        .70%        .70%          .70%       .70%         .55%
Growth Fund..............................    1.10%       1.10%       1.05%         1.05%      1.025%       1.025%
Emerging Growth Fund.....................    1.05%       1.05%       1.00%         1.00%      1.00%         .90%
International Growth Fund................    1.10%       1.00%       1.00%          .80%       .80%         .80%
Target Maturity 2002 Fund*...............     .25%        .25%        .25%          .25%       .25%         .25%
</TABLE>
 
- ---------------
 
*  Composite has voluntarily undertaken to waive, through December 31, 1998, a
   portion of the annual management fees if and to the extent that total Fund
   expenses would otherwise exceed the Fund's level of expenses as of June 30,
   1997.
 
** Composite has voluntarily undertaken to continue to waive, through December
   31, 1998, a portion of the annual management fees equal to the amount of
   management fees that Sierra Advisors is currently waiving, if and to the
   extent that total Fund expenses would otherwise exceed the Fund's level of
   expenses as of June 30, 1997.
 
     The fee as a percentage of net assets payable by the California Money and
Short Term High Quality Bond Funds will be the same or lower under the New
Management Agreement as under the Current Advisory Agreements. The fee for
Target Maturity 2002 Fund under the New Management Agreement would be the
 
                                       12
<PAGE>   17
 
same as under the Current Advisory Agreement until the Fund has assets of more
than $500 million, at which point the fee would be higher. Nonetheless, if the
fee under the New Management Agreement had been in effect for each of these
Fund's most recently completed fiscal year, the fee to which Composite would
have been entitled would have been identical to, or less than, that to which it
was entitled under the Current Advisory Agreements. Further, because a portion
of the services provided under the Current Administration Agreement would be
paid out of Composite's fee, each of these Fund's total expenses would decrease.
 
     With respect to each of the other Funds for which the management fee will
increase, the following table shows current expenses for Class A shares, under
the Current Advisory Agreements and Current Administration Agreement, labeled
"Old Fees," and expenses under the New Management Agreement and Proposed
Transfer Agency Agreement, labeled "New Fees." Class B, I and S shares differ
from Class A shares in their "Shareholder Transaction Expenses" and "12b-1
Fees," but have similar "Management Fees" and "Other Expenses."
 
                     SUMMARY OF SIERRA TRUST FUNDS EXPENSES
 
<TABLE>
<CAPTION>
                                                                       EMERGING            INTERNATIONAL
                                                GROWTH FUND           GROWTH FUND           GROWTH FUND
                                            -------------------   -------------------   -------------------
                                            OLD FEES   NEW FEES   OLD FEES   NEW FEES   OLD FEES   NEW FEES
                                            --------   --------   --------   --------   --------   --------
<S>                                         <C>        <C>        <C>        <C>        <C>        <C>
SHAREHOLDER TRANSACTION EXPENSES
MAXIMUM SALES CHARGE IMPOSED ON PURCHASES
  (AS A PERCENTAGE OF OFFERING PRICE)
  Class A.................................    5.75%      5.75%      5.75%      5.75%      5.75%      5.75%
ANNUAL OPERATING EXPENSES (AS A PERCENTAGE
  OF AVERAGE NET ASSETS)
MANAGEMENT FEES (AFTER VOLUNTARY WAIVERS
  OR REIMBURSEMENT)
  Class A.................................    0.91%      1.07%      0.87%      1.02%      0.83%      0.97%
12B-1 FEES
  Class A.................................    0.25%      0.25%      0.25%      0.25%      0.25%      0.25%
OTHER EXPENSES
  Class A.................................    0.56%      0.34%      0.62%      0.34%      0.60%      0.37%
TOTAL FUND OPERATING EXPENSES
  Class A.................................    1.72%      1.66%      1.74%      1.61%      1.68%      1.59%
</TABLE>
 
                                       13
<PAGE>   18
 
<TABLE>
<CAPTION>
                                                                  CALIFORNIA INSURED
                                                CALIFORNIA           INTERMEDIATE         FLORIDA INSURED
                                              MUNICIPAL FUND        MUNICIPAL FUND        MUNICIPAL FUND
                                            -------------------   -------------------   -------------------
                                            OLD FEES   NEW FEES   OLD FEES   NEW FEES   OLD FEES   NEW FEES
                                            --------   --------   --------   --------   --------   --------
<S>                                         <C>        <C>        <C>        <C>        <C>        <C>
SHAREHOLDERS TRANSACTION EXPENSES
MAXIMUM SALES CHARGE IMPOSED ON PURCHASES
  (AS A PERCENTAGE OF OFFERING PRICE)
  Class A.................................    4.50%      4.50%      4.50%      4.50%      4.50%      4.50%
ANNUAL OPERATING EXPENSES (AS A PERCENTAGE
  OF AVERAGE NET ASSETS)
MANAGEMENT FEES (AFTER VOLUNTARY WAIVERS
  OR REIMBURSEMENT)(1)
  Class A.................................    0.41%      0.57%      0.25%      0.34%      0.05%      0.21%
12B-1 FEES
  Class A.................................    0.25%      0.25%      0.25%      0.25%      0.25%      0.25%
OTHER EXPENSES(2)
  Class A.................................    0.44%      0.15%      0.50%      0.23%      0.70%      0.36%
TOTAL FUND OPERATING EXPENSES(3)
  Class A.................................    1.10%      0.97%      1.00%      0.82%      1.00%      0.82%
</TABLE>
 
- ---------------
 
(1) Reflects voluntary waivers of management fees by Composite. Through December
    31, 1998, Composite has voluntarily undertaken to waive up to 0.13%, 0.36%
    and 0.49%, respectively, for the California Municipal Fund, Florida Insured
    Municipal Fund and the California Insured Intermediate Municipal Fund, to
    the extent that Total Fund Operating Expenses would otherwise exceed,
    respectively, 0.97%, 0.82% or 0.82%. In the absence of such voluntary
    waivers, new management fees for each of the following Funds would have
    been: California Municipal Fund -- 0.70%; Florida Insured Municipal
    Fund -- 0.70%; California Insured Intermediate Municipal Fund -- 0.70%. In
    the absence of such voluntary waivers by Sierra Advisors, current (old)
    management fees for each of the following Funds would have been: California
    Municipal Fund -- 0.55%; Florida Insured Municipal Fund -- 0.55%; California
    Insured Intermediate Municipal Fund -- 0.55%.
 
(2) After voluntary waivers or reimbursement. Reflects the voluntary agreement
    of Composite to bear certain expenses and to waive fees to limit total fund
    expenses for the Class A Shares.
 
(3) The total fund operating expenses set forth in the foregoing table are
    restated to reflect anticipated management fees and other expenses (after
    voluntary waivers or reimbursements). Set forth below are total fund
    operating expenses, based on the fees under the New Management Agreement,
    absent Composite's fee waivers and expense reimbursements: California
    Municipal Fund, 1.10%; Florida Insured Municipal Fund, 1.31%; California
    Insured Intermediate Municipal Fund, 1.18%. Set forth below are total fund
    operating expenses, based on the fees under the Current Advisory Agreements
    and Current Administration Agreement, absent fee waivers and expense
    reimbursements by Sierra Advisors: California Municipal Fund, Class
    A -- 1.24%; Florida Insured Municipal Fund -- 1.50%; California Insured
    Intermediate Municipal Fund -- 1.30%.
 
                                       14
<PAGE>   19
 
  Example:
 
     You would pay the following expenses on a $1,000 investment, assuming (1)
5% annual return (2) reinvestment of all dividends and distributions and (3)
deduction at the time of purchase of the maximum initial sales charge.
 
<TABLE>
<CAPTION>
                                                                     1        3        5        10
                              FUND                                  YEAR    YEARS    YEARS     YEARS
- -----------------------------------------------------------------  ------   ------   ------   -------
<S>                                                                <C>      <C>      <C>      <C>
Growth Fund (Old Fees)...........................................     74      109      145       249
Growth Fund (New Fees)...........................................     73      107      143       243
Emerging Growth Fund (Old Fees)..................................     74      109      146       251
Emerging Growth Fund (New Fees)..................................     73      105      140       238
International Growth Fund (Old Fees).............................     74      107      144       245
International Growth Fund (New Fees).............................     73      105      139       236
California Municipal Fund (Old Fees).............................     56       78      103       173
California Municipal Fund (New Fees).............................     54       75       96       159
California Insured Intermediate
Municipal Fund (Old Fees)........................................     55       75       98       162
California Insured Intermediate
Municipal Fund (New Fees)........................................     53       70       88       142
Florida Insured Municipal Fund (Old Fees)........................     55       75       98       162
Florida Insured Municipal Fund (New Fees)........................     53       70       88       142
</TABLE>
 
     Although the combined fees payable under the Current Advisory Agreement and
the Current Administration Agreement for each Fund, except the California Money
Fund, are generally the same as or more than the combined fees payable under the
New Management Agreement and the Proposed Transfer Agency Agreement, the fees as
a percentage of net assets payable by the following Funds under the New
Management Agreement alone would generally be more than under the Current
Advisory Agreements alone. Shown below are the combined fees actually received
by Sierra Advisors and Sierra Administration under the Current Advisory
Agreements and Current Administration Agreement (the "Old Fee"), the fees that
would have been paid to Composite under the New Management Agreement and
Proposed Transfer Agency Agreement had they been in effect for these Funds' most
recently completed fiscal year (the "New Fee"), and the New Fee expressed as a
percentage of the Old Fee:
 
<TABLE>
<CAPTION>
                                                                                    NEW FEES AS
                                                                                   A PERCENTAGE
                         FUND                        OLD FEES*      NEW FEES**      OF OLD FEES
    -----------------------------------------------  ----------     ----------     -------------
    <S>                                              <C>            <C>            <C>
    California Money Fund***.......................  $  191,902     $  262,072         136.6%
    Short Term High Quality Bond Fund..............  $   66,508     $   62,023          93.3%
    California Municipal Fund......................  $2,295,401     $2,289,218          99.7%
    Florida Insured Municipal Fund.................  $   88,291     $   82,581          93.5%
    California Insured Intermediate Municipal
      Fund.........................................  $  302,003     $  276,103          91.4%
    Emerging Growth Fund...........................  $3,650,563     $3,533,899          96.8%
    International Growth Fund......................  $2,060,006     $1,920,374          93.2%
    Growth Fund....................................  $3,346,103     $3,165,625          94.6%
    Target Maturity 2002 Fund......................  $  (48,859)    $  (48,859)        100.0%
</TABLE>
 
- ---------------
 
  * Combined advisory and administration fees payable under the Current Advisory
    and Administration Agreements (net of fee waivers) and reimbursement of
    expenses.
 
 ** Fees payable under the new Management and Proposed Transfer Agency
    Agreements, which include payment for advisory, certain administrative and
    transfer agency services.
 
*** It is expected that a reduction in 12b-1 fees would result in lower total
    Fund expenses.
 
     The New Management Agreement would take effect upon the later to occur of
(1) the obtaining of shareholder approval; or (2) January 1, 1998. The New
Management Agreement will continue in effect for an
 
                                       15
<PAGE>   20
 
initial two-year term and thereafter for successive annual periods as long as
such continuance is approved in accordance with the 1940 Act.
 
     The Board accepted a recommendation by Composite to consolidate the Sierra
Funds and the Composite Funds into a single family of funds with a common board
of Trustees and with Composite as each Fund's investment adviser. In accepting
this recommendation, the Board considered that, based on Composite's projections
and commitments, each Fund's overall level of expenses would generally be
reduced or remain unchanged at least through the end of 1998, and that
Washington Mutual planned to consolidate Sierra Advisors with Composite sometime
in early 1998. Before reaching its conclusions, the Board conducted an extensive
"due diligence" review. Among other things, the Board received reports from
counsel and independent experts specifically hired to evaluate Composite's
ability to manage the Funds, reviewed Composite's overall business plan for the
Funds, including the ability of its affiliates to provide administration and
distribution services, met with portfolio managers at Composite, and met with
the directors of the Composite Funds. The Board also was informed of the
resources of Washington Mutual and its affiliates that could be made available
to Composite and the Funds. The Trustees also considered Composite's experience
as adviser and service provider to the Composite Funds.
 
     Although the Merger did not result in an "assignment" of the Current
Advisory Agreements, in light of the upcoming consolidation of Sierra Advisors
with Composite, Sierra Advisors and Composite have indicated that they intend to
comply with the requirements of Section 15(f) of the 1940 Act. Section 15(f)
provides a non-exclusive safe harbor for an investment adviser to an investment
company or any of its affiliated persons to receive any amount or benefit in
connection with a change in control of the investment adviser that results in
the "assignment" of an advisory agreement, as that term is defined in the 1940
Act, so long as the following two conditions are met. First, for a period of
three years after the change of control, at least 75% of the board members of
the investment company must not be interested persons of the acquired adviser or
the acquiror (Sierra Advisors and Composite, respectively, in this case). If the
Nominees listed in Proposal 1 above are elected by shareholders, the Trust would
meet this condition of Section 15(f). Second, an "unfair burden" must not be
imposed upon the investment company as a result of such transaction or any
express or implied terms, conditions or understandings applicable thereto. The
term "unfair burden" is defined in Section 15(f) to include any arrangement
during the two-year period after the assignment whereby the investment adviser,
or any interested person of any such adviser, receives or is entitled to receive
any compensation, directly or indirectly, from the investment company or its
shareholders (other than fees for bona fide investment advisory or other
services) or from any person in connection with the purchase or sale of
securities or other property to, from or on behalf of the investment company
(other than bona fide ordinary compensation as principal underwriter for such
investment company). Sierra Advisors and Composite are not aware of any express
or implied term, condition, arrangement or understanding that would impose an
"unfair burden" on the Trust as a result of the recent Merger or the upcoming
consolidation of Sierra Advisors with Composite.
 
     The Board also considered that the costs of the Special Meeting would be
borne by Composite and its affiliates.
 
     After consideration of the above factors and such other factors and
information that the Board deemed relevant, the Board, including the
Disinterested Trustees, unanimously approved the New Management Agreement with
respect to each Fund and voted to recommend its approval to the shareholders of
each Fund.
 
     In the event that shareholders of a Fund do not approve the New Management
Agreement for such Fund, the Current Advisory Agreement for such Fund will
remain in effect and the Board will take such action as it deems in the best
interest of the Fund and its shareholders, which may include proposing that
shareholders approve an agreement in lieu of the New Management Agreement.
 
SHAREHOLDER APPROVAL OF THE NEW MANAGEMENT AGREEMENT
 
     Approval of the New Management Agreement requires the affirmative vote of a
majority of the outstanding shares of each Fund. For purposes of this proposal,
"majority of the outstanding shares" means the vote of (1) 67% or more of a
Fund's outstanding shares present at the Special Meeting, if the holders of
 
                                       16
<PAGE>   21
 
more than 50% of the outstanding shares of the Fund are present in person or
represented by Proxy; or (2) more than 50% of a Fund's outstanding shares,
whichever is less.
 
  THE BOARD OF TRUSTEES RECOMMENDS THAT THE SHAREHOLDERS OF EACH FUND VOTE FOR
                   APPROVAL OF THE NEW MANAGEMENT AGREEMENT.
 
PROPOSAL 3:  TO APPROVE A PROPOSAL WHICH WOULD AUTHORIZE THE BOARD OF TRUSTEES
             TO REPLACE OR APPOINT INVESTMENT SUB-ADVISERS FOR EACH FUND WITHOUT
             THE NECESSITY OF SEEKING SHAREHOLDER APPROVAL.
 
     This Proposal would permit the Board to replace or appoint investment
sub-advisers for each Fund without obtaining approval of the relevant Fund's
shareholders. This proposal is being submitted to the shareholders of each Fund
for approval as required by the terms of an exemptive application filed with the
SEC and will not become effective with respect to any particular Fund unless and
until (1) the SEC has granted the relief requested in the exemptive application;
and (2) this proposal has been approved by a majority vote of such Fund's
shareholders.
 
     It is anticipated that implementation of this Proposal will enable the
Trust to achieve a higher degree of management efficiency and will reduce the
need for costly shareholder meetings in the future. If shareholders approve this
Proposal, and an SEC order is obtained, the Board would be able, upon the
recommendation of a Fund's investment adviser (currently Sierra Advisors, but if
Proposal 2, above, is approved, Composite) and without shareholder approval, to
replace an investment sub-adviser and/or appoint additional sub-advisers to the
Funds, and to utilize investment sub-advisory agreements for the Funds with
terms that are different from those currently used by the Trust. For example, if
this Proposal were currently in place, shareholders would not be required to
consider and approve Proposals 4 through 9 herein.
 
     Currently, the Trust operates within a structure whereby Sierra Advisors is
responsible for analyzing economic and market trends; formulating and assessing
investment policies and recommending changes to the Board where appropriate;
supervising compliance by sub-advisers with each Fund's investment objectives,
policies and limits, as well as with laws and regulations applicable to the
Fund; evaluating the performance of the sub-advisers in light of selected
benchmarks and the needs of the Funds; evaluating potential additional or
replacement sub-advisers and recommending changes to the Board where
appropriate; and reporting to the Board and shareholders on the foregoing. Each
Fund's sub-adviser, in turn, is responsible for continuously reviewing,
supervising and administering the particular Fund's investment program with
respect to the Fund's assets. Should Proposal 2, above, be approved by a
majority of shareholders of each Fund, Composite will replace Sierra Advisors as
the investment adviser for each Fund. Although Composite currently intends to
retain investment discretion for several of the Funds, it also intends to
continue the investment sub-adviser structure with respect to several Funds.
 
SEC EXEMPTIVE RELIEF
 
     Section 15(a) of the 1940 Act requires that all contracts pursuant to which
persons serve as investment advisers to investment companies be approved by
shareholders. As interpreted, this requirement applies to the appointment of
investment sub-advisers to any Fund of the Trust for which Sierra Advisors or
Composite acts or in the future acts as an investment adviser. The SEC has
previously granted exemptions from the shareholder approval requirements under
certain circumstances for open-end investment companies (mutual funds) with
investment sub-advisers and, therefore, the Trust has applied for such an
exemption. If the SEC approves the Trust's application and shareholders approve
this Proposal, the Board would, without shareholder approval, be able to appoint
additional or replacement sub-advisers without having to unnecessarily seek
shareholder acquiescence. The Board would not, however, be able to replace the
investment adviser to each Fund of the Trust without receiving shareholder
approval, as required by the 1940 Act and applicable regulations governing
mutual fund advisory contracts. There can be no assurance that the exemptive
order will be granted.
 
     The SEC has in the past required open-end investment companies seeking
relief similar to that sought by the Trust to agree to the following conditions:
(1) adequate and prominent disclosure in the fund's prospectus
 
                                       17
<PAGE>   22
 
concerning the investment sub-adviser structure as well as the existence,
substance and effect of the SEC order; (2) within 60 days of the hiring of a new
investment sub-adviser for the fund, the investment adviser will provide
shareholders with an information statement meeting proxy regulation
requirements, except as modified by the SEC order with respect to the disclosure
of fees paid to the investment sub-adviser(s); (3) the investment adviser will
not enter into an investment sub-advisory agreement with any affiliated
investment sub-adviser without such agreement, including the compensation to be
paid thereunder, being approved by the shareholders of the fund; (4) no
director, trustee or officer of the fund or the investment adviser will own
directly or indirectly (other than through a pooled investment vehicle over
which such person does not have control) any interest in an investment
sub-adviser except for (i) ownership of interests in the investment adviser or
any entity that controls, is controlled by or is under common control with the
investment adviser; or (ii) ownership of less than 1% of the outstanding
securities of any class of equity or debt of a publicly traded company that is
either an investment sub-adviser or an entity that controls, is controlled by or
is under common control with an investment sub-adviser; (5) a majority of the
fund's board of directors/ trustees will be "independent," and the nomination of
new or additional independent directors/trustees will be placed with the
discretion of the then existing independent directors/trustees; (6) when an
investment sub-adviser change is proposed for a fund with an affiliated adviser,
the fund's directors/trustees, including a majority of the independent
directors/trustees, are required to make a separate finding, reflected in the
board minutes, that such change is in the best interests of the fund and its
shareholders and does not involve a conflict of interest from which the
investment adviser or affiliated sub-adviser derives an inappropriate advantage;
(7) the fund will disclose, both as a dollar amount and as a percentage of net
assets, in its registration statement the respective fee disclosure on an
aggregate basis; (8) at all times, independent counsel knowledgeable about the
1940 Act and the duties of independent directors/trustees will be engaged to
represent the fund's independent trustees; (9) the investment adviser will
provide the Board no less frequently than quarterly with information about the
investment adviser's profitability, reflecting the impact on its profitability
of the hiring or termination of investment sub-advisers; and (10) whenever a
sub-adviser is hired or terminated, the investment adviser will provide the
Board with information showing the expected impact on the adviser's
profitability.
 
     If the SEC changes these conditions for granting the relief as requested by
the Trust or the SEC order is granted with materially different conditions, the
Trust will take appropriate action, which could include soliciting shareholders
for reapproval of this Proposal in light of the new conditions.
 
TRUSTEE CONSIDERATIONS
 
     This Proposal is intended to facilitate the efficient operation of those
Funds with investment sub-advisers, afford the Trust increased management
flexibility and allow the investment adviser to perform to the fullest extent
the principal functions the Trust is paying it to perform with respect to
investment sub-advisers -- that is continuously monitoring the performance of
the sub-advisers and, from time to time, recommending that the Board replace
sub-advisers or appoint additional sub-advisers, depending on the investment
adviser's assessment of a sub-adviser's performance and the probability of such
investment sub-adviser achieving a Fund's investment objective. In addition, the
Proposal, if approved, would avoid the need to seek shareholder approval of new
investment sub-advisory agreements when an agreement has been terminated as a
result of a change in control of the sub-adviser. However, a change in an
investment sub-advisory agreement that reduces the sub-advisory fee payable by
the investment adviser would, absent a reduction in the management fee, benefit
the investment adviser rather than the shareholders of a Fund. While there is no
way of knowing exactly how often the investment adviser may recommend, and the
Board approve, the termination and replacement of a particular sub-adviser or
the selection of an additional sub-adviser, each of which would typically
require a shareholder meeting, experience has shown that the use of sub-advisers
results in more frequent shareholder meetings than would otherwise be the case.
Because shareholder meetings result in substantial costs, the Board believes
that approval of this Proposal would benefit shareholders.
 
     In reaching this conclusion the Trustees weighed the costs of shareholder
meetings against the benefits of shareholder scrutiny of proposed contracts with
additional or replacement sub-advisers. To this end, the Trustees considered
that, even in the absence of shareholder approval, any proposal to add or
replace an
 
                                       18
<PAGE>   23
 
investment sub-adviser would receive careful review. First, the investment
adviser would assess the Fund's needs and, if it believed additional or
replacement sub-advisers could benefit the Fund, would review the relevant
universe of available investment managers. Second, any recommendations made by
the investment adviser would have to be approved by a majority of the Board,
including a majority of the Disinterested Trustees. Finally, any selections of
additional or replacement investment sub-advisers would have to comply with
conditions contained in the SEC exemptive order, if it is granted.
 
SHAREHOLDER APPROVAL OF THE PROPOSAL
 
     Approval of the Proposal for each Fund requires the affirmative vote of a
majority of the outstanding shares of each Fund. For purposes of this proposal,
"majority of the outstanding shares" means the vote of (1) 67% or more of a
Fund's outstanding shares present at the Special Meeting, if the holders of more
than 50% of the outstanding shares of a Fund are present in person or
represented by proxy, or (2) more than 50% of a Fund's outstanding shares
whichever is less.
 
           THE TRUSTEES RECOMMEND THAT THE SHAREHOLDERS OF EACH FUND
                      OF THE TRUST VOTE FOR THIS PROPOSAL.
 
PROPOSAL 4:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE GROWTH
             FUND BETWEEN COMPOSITE AND JANUS CAPITAL CORPORATION.
 
PROPOSAL 5:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE EMERGING
             GROWTH FUND BETWEEN COMPOSITE AND JANUS CAPITAL CORPORATION.
 
     The Current Sub-Advisory Agreements provide that they will terminate upon
the termination of the Current Advisory Agreements. As a result of the proposed
approval of a New Management Agreement (in Proposal 2 above) which will cause
the termination of the Current Advisory Agreements, the Board, including a
majority of the Disinterested Trustees, at a meeting held on October 27-28,
1997, concluded that entry into a New Sub-Advisory Agreement for the Growth Fund
and the Emerging Growth Fund would be in the best interests of those Funds and
their shareholders. Therefore, the Board is recommending that shareholders of
each Fund approve the selection of Janus Capital Corporation ("Janus") to
continue to serve as the investment sub-adviser to the Growth Fund and the
Emerging Growth Fund following Composite's becoming the adviser to the Funds,
and approve a New Sub-Advisory Agreement. Other than the change of the
investment adviser to the Funds from Sierra Advisors to Composite, provisions
regarding the dates of effectiveness and termination and deleting the Trust as a
party to the Agreement, there are no material differences between the Current
Sub-Advisory Agreements and the New Sub-Advisory Agreement.
 
THE CURRENT SUB-ADVISORY AGREEMENTS
 
     Janus currently serves as the investment Sub-Advisor to the Growth Fund and
the Emerging Growth Fund pursuant to separate agreements by and among the Trust,
Sierra Advisors and Janus dated November 22, 1993 and September 20, 1993,
respectively, and approved by the sole shareholder of the Growth Fund, at
commencement of operations, on November 22, 1993, and by shareholders of the
Emerging Growth Fund at a meeting held on October 22, 1993. Under the Current
Sub-Advisory Agreements, Janus makes the day-to-day investment decisions for the
assets of each Fund, subject to the supervision of, and policies established by,
Sierra Advisors and the Trustees.
 
     The Current Sub-Advisory Agreements provide that Janus, in return for its
fee, and subject to the supervision of the Board and Sierra Advisors, will (1)
maintain compliance procedures for each Fund that Janus believes are adequate to
ensure its compliance with the applicable provisions of the 1940 Act and the
Advisers Act; (2) make investment decisions for each Fund in accordance with the
Fund's investment objective(s) and policies as stated in the Funds' Prospectus
and Statement of Additional Information as in effect and, after notice to Janus,
as they may be amended from time to time; (3) place purchase and sale orders on
behalf of each Fund to effectuate the investment decisions made; (4) maintain
books and records with respect to the securities transactions of each Fund in
accordance with the 1940 Act and the Advisers Act and the rules adopted
thereunder and furnish the Adviser quarterly, annual and special reports as the
Adviser
 
                                       19
<PAGE>   24
 
may reasonably request; (5) treat confidentially and as proprietary information
of the Trust, all records and other information relative to the Trust and past,
present or potential shareholders (other than information publicly available,
otherwise legally in the hands of Janus or pertaining to mutual clients); and
(6) not knowingly use such records and information for any purpose other than
performance of its responsibilities and duties under the Current Sub-Advisory
Agreements, except after prior notification to and approval in writing by the
Trust, which approval shall not be unreasonably withheld and, notwithstanding
the foregoing, such records may not be withheld where Janus may be exposed to
civil or criminal contempt proceedings for failure to comply when requested to
divulge such information by duly constituted authorities, or when so requested
by the Trust. In providing these services, Janus will supervise each Fund's
investments and conduct a continual program of investment, evaluation and, if
appropriate, sale and reinvestment of each Fund's assets.
 
     Subject to the supervision of Sierra Advisors and in accordance with the
investment objective and policies as stated in the Funds' Prospectus and
Statement of Additional Information, Janus is authorized, in its discretion and
without prior consultation with Sierra Advisors, to buy, sell, lend, and
otherwise trade in any stocks, bonds, and other securities and investment
instruments on behalf of each Fund, without regard to the length of time the
securities have been held and the resulting rate of portfolio turnover or any
tax considerations, and so long as consistent with the foregoing, the majority
or the whole of each Fund may be invested in such proportions of stocks, bonds,
other securities or investment instruments, or cash as Janus shall determine. In
addition, Janus will furnish each Fund or Sierra Advisors with whatever
statistical information the Funds or Sierra Advisors may reasonably request with
respect to the instruments that each Fund may hold or contemplate purchasing.
 
     The Current Sub-Advisory Agreements provide for the payment of a fee to
Janus from Sierra Advisors on the first business day of each month for services
provided in the previous month at the annual rate of 0.55% of each Fund's
average daily net assets including cash and cash equivalents up to $100 million
and 0.50% of each Fund's average daily net assets in excess of $100 million.
 
     The Current Sub-Advisory Agreements provide that Janus will bear all
expenses in connection with the performance of its services under the
Agreements, which expenses shall not include brokerage fees or commissions in
connection with the effectuation of securities transactions. Janus shall bear no
expenses of the Trust, the Funds or Sierra Advisors. The Trust will bear certain
other expenses to be incurred in its operation, including but not limited to
organizational expenses, taxes, interest, brokerage fees and commissions, if
any; fees of the Disinterested Trustees; SEC fees and state Blue Sky
qualification fees; out-of-pocket expenses of custodians, transfer and dividend
disbursing agents and the Trust's sub-administrator and transaction charges of
custodians; insurance premiums; outside auditing and legal expenses; costs of
maintenance of the Trust's existence; costs attributable to investor services,
including without limitation, telephone and personnel expenses; costs of
preparing and printing prospectuses and statements of additional information for
regulatory purposes and for distribution to existing shareholders; costs of
shareholders' reports and meetings of the shareholders of the Funds and of the
officers or Board; and any extraordinary expenses. In addition, each Fund pays a
distribution fee pursuant to the terms of Distribution Plans adopted under Rule
12b-1 under the 1940 Act.
 
     The services of Janus are not deemed to be exclusive, and Janus is free to
render investment advisory and other services to others, including fiduciary and
other managed accounts as well as to other investment companies or series of
investment companies, so long as its services under the Current Sub-Advisory
Agreements are not impaired thereby. The Current Sub-Advisory Agreements also
provide that purchase or sell orders for the Funds may be aggregated with
contemporaneous purchase or sell orders of other clients of Janus; provided that
(i) no advisory account will be favored by Janus over any other account; (ii)
each client of Janus who participates in such an aggregated order will
participate at the average share price, with all transaction costs shared on a
pro rata basis; (iii) only advisory clients' transactions will be aggregated for
such an aggregated order; and (iv) the accounts of clients whose orders are
aggregated will be segregated on Janus's books and records so as to identify the
particular client who has the beneficial interest therein. Janus shall use its
best efforts to obtain execution of Fund transactions at prices which are
advantageous to the Funds and at commission rates that are reasonable in
relation to the benefits received.
 
                                       20
<PAGE>   25
 
     Each Current Sub-Advisory Agreement has an initial term of one year from
the effective date, and thereafter shall continue for successive annual periods,
provided the continuation is approved by the Board or by vote of a majority of
each Fund's outstanding voting securities, as well as by a majority of the
Disinterested Trustees. Each Current Sub-Advisory Agreement may be terminated,
without the payment of any penalty, on 30 days' written notice by Sierra
Advisors, the Board or by the vote of a majority of the outstanding voting
securities of the Funds, or upon 60 days' written notice by Janus. In addition,
each Current Sub-Advisory Agreement will also terminate automatically upon its
assignment.
 
     Under each Current Sub-Advisory Agreement, except as may otherwise be
provided by federal securities laws, Janus is not liable for any error of
judgment or for any loss suffered by the Funds or Sierra Advisors in connection
with performance of its obligations under the agreement, except for any losses
resulting from willful misfeasance, bad faith or gross negligence on Janus' part
in the performance of its duties or from reckless disregard of its obligations
and duties under the agreement.
 
THE NEW SUB-ADVISORY AGREEMENT
 
     The Board approved the proposed New Sub-Advisory Agreement for the Growth
Fund and the Emerging Growth Fund between Composite and Janus, a form of which
is attached hereto as Exhibit B, at a meeting held on October 27-28, 1997. The
proposed New Sub-Advisory Agreement is substantially identical to the Current
Sub-Advisory Agreements, except for the change of the investment adviser from
Sierra Advisors to Composite, the dates of execution, effectiveness and initial
term and the deletion of the Trust as a party to the Agreement.
 
     The sub-advisory fees as a percentage of net assets payable by Composite
under the New Sub-Advisory Agreement will be the same as the fees payable by
Sierra Advisors under the Current Sub-Advisory Agreements. If the sub-advisory
fees under the New Sub-Advisory Agreement had been in effect for the Funds' most
recently completed fiscal year, the sub-advisory fees to which Janus would have
been entitled would have been equal to that to which it actually received under
the Current Sub-Advisory Agreement.
 
     The Board recommends the New Sub-Advisory Agreement for approval by the
shareholders of each Fund. The New Sub-Advisory Agreement would take effect upon
the obtaining of shareholder approval. The New Sub-Advisory Agreement will
continue in effect for an initial term of one year and thereafter for successive
annual periods as long as such continuance is approved in accordance with the
1940 Act.
 
     In evaluating the New Sub-Advisory Agreement, the Board considered the
continuity of services by Janus. In this regard, the Board took account of each
Fund's Current Sub-Advisory Agreement and the New Sub-Advisory Agreement,
including their terms relating to the services to be provided thereunder by
Janus, and that the fees and expenses payable under the New Sub-Advisory
Agreement will be equal to those paid under the Current Sub-Advisory Agreements.
Although the Trust is not a party to the New Sub-Advisory Agreement, it is not
expected that this change will have a material effect on the legal remedies
available to the Trust or shareholders in the event of a breach of the New
Sub-Advisory Agreement.
 
     Approval of the New Sub-Advisory Agreement is contingent on the approval by
shareholders of the New Management Agreement between the Trust and Composite.
However, if the New Management Agreement is approved and shareholders of a Fund
do not approve the New Sub-Advisory Agreement, then the Board will take such
action as it deems is in the best interest of the Fund and its shareholders,
which may include proposing that shareholders approve an agreement in lieu of
the New Sub-Advisory Agreement.
 
INFORMATION REGARDING JANUS
 
     Janus is located at 100 Fillmore Street, Denver, Colorado 80206. Janus is
an indirect, majority owned subsidiary of Kansas City Southern Industries, Inc.
("KCSI"). KCSI is a publicly traded holding company whose primary subsidiaries
are engaged in transportation, information processing and financial services.
Janus has provided investment advice to mutual funds and other large financial
clients since 1970. As of June 30, 1997, Janus had approximately $60 billion in
assets under management.
 
                                       21
<PAGE>   26
 
     Each director and the principal executive officer of Janus and their
principal occupations are listed below.
 
<TABLE>
<CAPTION>
NAME AND POSITION WITH THE SUB-ADVISER        ADDRESS               PRINCIPAL OCCUPATION
- ---------------------------------------  -----------------  ------------------------------------
<S>                                      <C>                <C>
Thomas H. Bailey                         100 Fillmore St.   Chairman of Trustees and President
  President, Director, Chairman and      Denver, CO         of Janus Investment Fund and Janus
  Chief Executive Officer                                   Aspen Series; Chairman and Director
                                                            of Idex Management, Inc.

James P. Craig III                       100 Fillmore St.   Trustee and Executive Vice President
  Vice President, Director and Chief     Denver, CO         of Janus Investment Fund and Janus
  Investment Officer                                        Aspen Series

Michael E. Herman                        9300 Ward Pkwy.    President of Kansas City Royals
  Director                               Kansas City, MO    Baseball Team; Chairman of Finance
                                                            Committee, Ewing Marion Kauffman
                                                            Foundation

Thomas A. McDonnell                      1055 Broadway      President and Director of DST
  Director                               Kansas City, MO    Systems, Inc.; Director of Euronet
                                                            Services, Inc.

Landon H. Rowland                        114 W. 11th St.    President and Chief Executive
  Director                               Kansas City, MO    Officer of Kansas City Southern
                                                            Industries, Inc.

Michael Stolper                          525 "B" Street     President of Stolper & Company
  Director                               San Diego, CA
</TABLE>
 
     None of the officers or Trustees of the Trust is an officer, employee,
director, or shareholder of Janus.
 
     As compensation for investment sub-advisory services to the Funds for the
fiscal year ended June 30, 1997, Janus received compensation from the Growth
Fund and the Emerging Growth Fund totaling $1,374,940 and $1,550,235,
respectively.
 
     Janus currently provides investment services to the following investment
companies having an investment objective similar to the investment objective of
the Growth Fund:
 
<TABLE>
<CAPTION>
                                                 AMOUNT OF ASSETS
                                                 UNDER MANAGEMENT
                                                  AS OF SEPTEMBER
                                                        30,
            NAME OF INVESTMENT COMPANY                 1997                  RATE OF COMPENSATION
     -----------------------------------------   -----------------     ---------------------------------
     <S>                                         <C>                   <C>
     Janus Investment Fund
       Janus Mercury Fund                         $ 2,087,700,000      .75% of first $300 million
                                                                       .70% of next $200 million
                                                                       .65% over $500 million
     JNL Series Trust
       JNL Aggressive Growth Series               $    75,483,488      .55% on first $100 million
                                                                       .50% on $100-500 million
                                                                       .45% over $500 million
     New England Funds Trust I
       New England Star Advisers Fund             $   237,395,661      .55% on first $50 million
                                                                       .50% over $50 million
     The Sierra Variable Trust
       Growth Fund                                $   125,341,307      .55% on first $25 million
                                                                       .50% over $25 million
     Seasons Series Trust
       (Growth segments of four multi-managed
       portfolios)                                $     13,429,742     .60% on first $200 million
                                                                       .55% over $200 million
                                                                       (on combined assets)
</TABLE>
 
                                       22
<PAGE>   27
 
     Janus currently provides investment services to the following investment
companies having an investment objective similar to the investment objective of
the Emerging Growth Fund:
 
<TABLE>
<CAPTION>
                                          AMOUNT OF ASSETS
                                          UNDER MANAGEMENT
                                           AS OF SEPTEMBER
                                                 30,
      NAME OF INVESTMENT COMPANY                1997                    RATE OF COMPENSATION
- ---------------------------------------   -----------------    ---------------------------------------
<S>                                       <C>                  <C>
Janus Investment Fund
  Janus Enterprise Fund                     $ 588,500,000      .75% of first $300 million
                                                               .70% of next $200 million
                                                               .65% on assets over $500 million
Janus Aspen Series
  Aggressive Growth Portfolio               $ 477,500,000      .75% on first $300 million(1)
                                                               .70% of next $200 million
                                                               .65% on assets over $500 million
Allmerica Investment Trust --
  Select Capital Appreciation Fund          $ 221,900,000      .60% on first $100 million,
                                                               .55% over $100 million
JNL Series Trust
  JNL Capital Growth Series                 $  70,300,000      .55% on first $100 million,
                                                               .50% on $100-500 million,
                                                               .45% over $500 million
John Hancock Variable Series Trust I --
  Mid Cap Growth Portfolio                  $  34,900,000      .60% on first $100 million,
                                                               .55% over $100 million
Maxim Series Fund, Inc. --
  Mid-Cap Portfolio                         $ 226,200,000      .60% on first $100 million,
                                                               .55% on next $400 million and
                                                               .45% on assets over $500 million
Metropolitan Series Fund --
  Janus Mid-Cap Portfolio                   $  61,600,000      .55% on first $100 million,
                                                               .50% on next $400 million,
                                                               .45% over $500 million
The Sierra Variable Trust --
  Emerging Growth Fund                      $  49,600,000      .55% on first $25 million,
                                                               .50% over $25 million
IDEX Series Fund
  IDEX Capital Appreciation Portfolio       $  25,900,000      50% of fees received by adviser less
                                                               50% of fee waiver or reimbursement(2)
</TABLE>
 
- ---------------
 
(1) Janus Capital has agreed to reduce the portfolio's advisory fee to the
    extent that such fee exceeds the effective rate of the Janus retail fund
    corresponding to such portfolio (Janus Enterprise Fund). The effective rate
    is the advisory fee calculated by the corresponding retail fund as of the
    last day of each calendar quarter (expressed at an annual rate). The
    effective rate of Janus Enterprise Fund was .72% for the quarter ended
    September 30, 1997.
 
(2) Adviser's fee is 1.00% of first $750 million, 0.9% of next $250 million, and
    0.85% of assets in excess of $1 billion.
 
     The fees charged by Janus to the other investment companies are, in some
cases, for services in addition to those provided under the New Sub-Advisory
Agreement.
 
SHAREHOLDER APPROVAL OF THE NEW SUB-ADVISORY AGREEMENT
 
     Approval of the New Sub-Advisory Agreement for the Fund requires the
affirmative vote of a majority of the outstanding shares of each Fund. For
purposes of this proposal, "majority of the outstanding shares" means the vote
of (1) 67% or more of each Fund's outstanding shares present at the Special
Meeting, if the holders of more than 50% of the outstanding shares of each Fund
are present in person or represented by proxy; or (2) more than 50% of each
Fund's outstanding shares whichever is less.
 
 THE BOARD OF TRUSTEES RECOMMENDS THAT THE SHAREHOLDERS OF THE GROWTH FUND AND
 THE EMERGING GROWTH FUND VOTE FOR APPROVAL OF THE NEW SUB-ADVISORY AGREEMENT.
 
                                       23
<PAGE>   28
 
PROPOSAL 6:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE
             INTERNATIONAL GROWTH FUND BETWEEN COMPOSITE AND WARBURG PINCUS
             ASSET MANAGEMENT, INC.
 
     As a result of the proposed termination of the Current Advisory Agreements,
the Board, including a majority of the Disinterested Trustees, at a meeting held
on October 27-28, 1997, concluded that entry into a New Sub-Advisory Agreement
for the Fund would be in the best interests of the Fund and its shareholders.
Therefore, the Board is recommending that shareholders of the Fund approve the
selection of Warburg Pincus Asset Management, Inc. ("Warburg") to continue to
serve as the investment sub-adviser to the International Growth Fund and approve
a New Sub-Advisory Agreement. Other than the change of the investment adviser to
the Fund from Sierra Advisors to Composite, provisions regarding the dates of
effectiveness and termination, and deletion of the Trust as a party to the
Agreement, there are no material differences between the Current Sub-Advisory
Agreement and New Sub-Advisory Agreement.
 
THE CURRENT SUB-ADVISORY AGREEMENT
 
     Warburg currently serves as the investment sub-advisor to the International
Growth Fund pursuant to an agreement by and among the Trust, Sierra Advisors and
Warburg dated April 8, 1996. The Current Sub-Advisory Agreement was approved by
shareholders on June 21, 1996 for the purpose of decreasing sub-advisory fees
and adding reciprocal and expanded indemnification provisions. Under the Current
Sub-Advisory Agreement, Warburg makes the day-to-day investment decisions for
the assets of the Fund, subject to the supervision of, and policies established
by, Sierra Advisors and the Trustees.
 
     The Current Sub-Advisory Agreement provides that Warburg, in return for its
fee, and subject to the supervision of the Board and Sierra Advisors will (1)
act in conformity with the Trust's Master Trust Agreement, the 1940 Act, the
Advisers Act and the Internal Revenue Code of 1986; (2) make investment
decisions for the Fund in accordance with the Fund's investment objective(s) and
policies as stated in the Fund's Prospectus and Statement of Additional
Information as in effect and, after notice to Warburg, as they may be amended
from time to time; (3) place purchase and sale orders on behalf of the Fund to
effectuate the investment decisions made; (4) maintain books and records with
respect to the securities transactions of the Fund and will furnish to the Board
such periodic, regular and special reports as the Board may request; (5) treat
confidentially and as proprietary information of the Trust, all records and
other information relative to the Trust and past, present or potential
shareholders (other than information publicly available, otherwise legally in
the hands of Warburg or pertaining to mutual clients); and (6) will not use such
records and information for any purpose other than performance of its
responsibilities and duties under the Current Sub-Advisory Agreement, except
after prior notification to and approval in writing by the Trust, which approval
shall not be unreasonably withheld and, notwithstanding the foregoing, such
records may not be withheld where Warburg may be exposed to civil or criminal
contempt proceedings for failure to comply when requested to divulge such
information by duly constituted authorities, or when so requested by the Trust.
In providing these services, Warburg will supervise the Fund's investments and
conduct a continual program of investment, evaluation and, if appropriate, sale
and reinvestment of the Fund's assets. In addition, Warburg will furnish the
Fund or Sierra Advisors with whatever statistical information the Fund or Sierra
Advisors may reasonably request with respect to the instruments that the Fund
may hold or contemplate purchasing.
 
     In fulfilling its obligations under the Current Sub-Advisory Agreement,
Warburg is entitled to rely on and act in accordance with, and Sierra Advisors
has agreed to hold Warburg harmless for any act or omission taken in good faith
in reliance on, information and instructions, which may be standing
instructions, provided to Warburg by Sierra Advisors, the Trust's administrator,
or other agent of Sierra Advisors designated by Sierra Advisors. Such
information and instructions shall be conveyed to Warburg in a timely manner so
as to permit Warburg to take such action as may be required in an orderly
fashion.
 
     The Current Sub-Advisory Agreement provides for the payment of a fee to
Warburg from Sierra Advisors on the first business day of each month for
services provided in the previous month at the annual rate of 0.50% of the
Fund's average daily net assets. In the event that any reduction in the fees
paid to Sierra Advisors under the Advisory Agreement is required as a result of
any statutory or regulatory limitation on
 
                                       24
<PAGE>   29
 
investment company expenses, there shall be a proportionate reduction in the fee
payable to Warburg; provided that Warburg will never be required to pay more
than the amount of fees it receives.
 
     The Current Sub-Advisory Agreement provides that Warburg will bear all
expenses in connection with the performance of its services under the Agreement,
which expenses shall not include brokerage fees or commissions in connection
with the effectuation of securities transactions. The Trust will bear certain
other expenses to be incurred in its operation, including but not limited to
organizational expenses, taxes, interest, brokerage fees and commissions, if
any; fees of Disinterested Trustees; SEC fees and state Blue Sky qualification
fees; out-of-pocket expenses of custodians, transfer and dividend disbursing
agents and the Trust's sub-administrator and transaction charges of custodians;
insurance premiums; outside auditing and legal expenses; costs of maintenance of
the Trust's existence; costs attributable to investor services, including
without limitation, telephone and personnel expenses; costs of preparing and
printing prospectuses and statements of additional information for regulatory
purposes and for distribution to existing shareholders; costs of shareholders'
reports and meetings of the shareholders of the Fund and of the officers or
Board; and any extraordinary expenses. In addition, the Fund pays a distribution
fee pursuant to the terms of a Distribution Plan adopted under Rule 12b-1 of the
1940 Act.
 
     The services of Warburg are not deemed to be exclusive, and Warburg is free
to render investment advisory and other services to others, including fiduciary
and other managed accounts as well as to other investment companies or series of
investment companies, so long as its services under the Current Sub-Advisory
Agreement are not impaired thereby. The Current Sub-Advisory Agreement also
provides that whenever the Funds and one or more other accounts or investment
companies advised by Warburg have available funds for investment, investments
suitable and appropriate for each will be allocated in accordance with
procedures believed to be equitable to each entity. Similarly, opportunities to
sell securities will be allocated in an equitable manner.
 
     The Current Sub-Advisory Agreement has an initial term of one year from the
effective date, and thereafter shall continue for successive annual periods,
provided the continuation is approved by the Board or by vote of a majority of
the Fund's outstanding voting securities, as well as by a majority of the
Disinterested Trustees. The Current Sub-Advisory Agreement may be terminated,
without the payment of any penalty on 60 days' written notice by Sierra
Advisors, the Board or by the vote of a majority of the outstanding voting
securities of the Fund, or upon 90 days' written notice by Warburg. In addition,
the Current Sub-Advisory Agreement will also terminate automatically upon its
assignment.
 
     Under the Current Sub-Advisory Agreement, Warburg is not liable for any
error of judgment or for any loss suffered by the Fund or Sierra Advisors in
connection with performance of its obligations under the agreement, except for
any losses resulting from a breach of a fiduciary duty with respect to the
receipt of compensation for services, or resulting from willful misfeasance, bad
faith or gross negligence on Warburg's part in the performance of its duties or
from reckless disregard of its obligations and duties under the agreement. In
addition, the Current Sub-Advisory Agreement also provides that obligations
under the Agreement are binding upon the property and assets of the Fund and not
the trustees, officers or shareholders of the Fund individually.
 
THE NEW SUB-ADVISORY AGREEMENT
 
     The Board approved the proposed New Sub-Advisory Agreement for the Fund
between Composite and Warburg at a meeting held on October 27-28, 1997, a form
of which is attached hereto as Exhibit C. The proposed New Sub-Advisory
Agreement is substantially identical to the Current Sub-Advisory Agreement,
except for the change of the investment adviser from Sierra Advisors to
Composite, the dates of execution, effectiveness and initial term, and the
deletion of the Trust as a party to the Agreement.
 
     The sub-advisory fees as a percentage of net assets now payable by
Composite will be the same under the New Sub-Advisory Agreement as under the
Current Sub-Advisory Agreement. If the sub-advisory fee under the New
Sub-Advisory Agreement had been in effect for the Fund's most recently completed
fiscal year, the sub-advisory fee to which Warburg would have been entitled
would have been identical to that to which it was entitled under the Current
Sub-Advisory Agreement.
 
                                       25
<PAGE>   30
 
     At a meeting held on October 27-28, 1997, the Board, including the
Disinterested Trustees, unanimously approved the New Sub-Advisory Agreement for
the Trust on behalf of the Fund, and recommended the New Sub-Advisory Agreement
for approval by the shareholders of the Fund. The New Sub-Advisory Agreement
would take effect upon the obtaining of shareholder approval. The New
Sub-Advisory Agreement will continue in effect for an initial term of one year
and thereafter for successive annual periods as long as such continuance is
approved in accordance with the 1940 Act.
 
     In evaluating the New Sub-Advisory Agreement, the Board considered the
continuity of services by Warburg. In this regard, the Board took account of the
Fund's Current Sub-Advisory Agreement and the New Sub-Advisory Agreement,
including their terms relating to the services to be provided thereunder by
Warburg and that the fees and expenses payable under the New Sub-Advisory
Agreement will be equal to those paid under the Current Sub-Advisory Agreement.
Although the Trust is not a party to the New Sub-Advisory Agreement, it is not
expected that this change will have a material effect on the remedies available
to the Trust or shareholders in the event of a breach of the New Sub-Advisory
Agreement.
 
     Approval of the New Sub-Advisory Agreement is contingent on the approval by
shareholders of the New Management Agreement between the Trust and Composite.
However, if the New Management Agreement is approved and shareholders of the
Fund do not approve the New Sub-Advisory Agreement, then the Board will take
such action as it deems is in the best interest of the Fund and its
shareholders, which may include proposing that shareholders approve an agreement
in lieu of the New Sub-Advisory Agreement.
 
INFORMATION REGARDING WARBURG
 
     Warburg is located at 466 Lexington Avenue, New York, New York 10017-3147.
Warburg is a professional investment counseling firm that provides investment
services to investment companies, employee benefit plans, endowment funds,
foundations and other institutions and individuals. As of September 30, 1997,
Warburg managed approximately $21.1 billion of assets, including approximately
$12.5 billion of investment company assets. Incorporated in 1970, Warburg is
indirectly controlled by Warburg, Pincus & Co. ("WP&Co."), which has no other
business other than being a holding company of Warburg and its affiliates.
Lionel I. Pincus, the managing partner of WP&Co., may be deemed to control both
WP&Co. and Warburg.
 
     Each Director and the principal executive officer of Warburg and their
principal occupations are listed below.
 
<TABLE>
<CAPTION>
        NAME                     ADDRESS                     PRINCIPAL OCCUPATION
- ---------------------  ---------------------------    -----------------------------------
<S>                    <C>                            <C>
Lionel I. Pincus       466 Lexington Avenue           Chief Executive Officer
                       New York, NY 10017

John L. Furth          466 Lexington Avenue           Chairman of the Board of Directors
                       New York, NY 10017

John L. Vogelstein     466 Lexington Avenue           Managing Director
                       New York, NY 10017
</TABLE>
 
     None of the officers or Trustees of the Trust is an officer, employee,
director, or shareholder of Warburg.
 
     As compensation for investment sub-advisory services to the Fund for the
fiscal year ended June 30, 1997, Warburg received compensation with respect to
the Fund in the amount of $880,003.
 
                                       26
<PAGE>   31
 
     Warburg currently provides investment services to the following investment
companies having an investment objective similar to the investment objective of
the International Growth Fund:
 
<TABLE>
<CAPTION>
                                                      AMOUNT OF ASSETS
                                                      UNDER MANAGEMENT
                                                      AS OF OCTOBER 21,
             NAME OF INVESTMENT COMPANY                     1997              RATE OF COMPENSATION
- ----------------------------------------------------  -----------------     ------------------------
<S>                                                   <C>                   <C>
Warburg Pincus International Equity Fund               $ 3,183,668,000               1.00%

Warburg Pincus Institutional Fund, Inc.
  International Equity Portfolio                       $ 1,262,021,000               0.80%

Evergreen Investment Trust
  Evergreen International Equity Fund                  $   288,360,155               0.55%

The Sierra Variable Trust
  International Growth Fund                            $    61,845,541               0.50%

Style Select Series, Inc.
  International Equity Portfolio                       $    26,418,580               0.70%
                                                                            (on first $100 million)
</TABLE>
 
     The fees charged by Warburg to the other investment companies are, in some
cases, for services in addition to those provided under the New Sub-Advisory
Agreement.
 
SHAREHOLDER APPROVAL OF THE NEW SUB-ADVISORY AGREEMENT
 
     Approval of the New Sub-Advisory Agreement for the International Growth
Fund requires the affirmative vote of a majority of the outstanding shares of
the Fund. For purposes of this proposal, "majority of the outstanding shares"
means the vote of (1) 67% or more of the Fund's outstanding shares present at
the Special Meeting, if the holders of more than 50% of the outstanding shares
of the Fund are present in person or represented by proxy; or (2) more than 50%
of the Fund's outstanding shares whichever is less.
 
THE BOARD OF TRUSTEES RECOMMENDS THAT THE SHAREHOLDERS OF THE INTERNATIONAL
GROWTH FUND VOTE FOR APPROVAL OF A NEW SUB-ADVISORY AGREEMENT.
 
                                       27
<PAGE>   32
 
PROPOSAL 7:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE
             CALIFORNIA MUNICIPAL FUND BETWEEN COMPOSITE AND VAN KAMPEN AMERICAN
             CAPITAL MANAGEMENT INC.
 
PROPOSAL 8:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE FLORIDA
             INSURED MUNICIPAL FUND BETWEEN COMPOSITE AND VAN KAMPEN AMERICAN
             CAPITAL MANAGEMENT INC.
 
PROPOSAL 9:  TO APPROVE A NEW INVESTMENT SUB-ADVISORY AGREEMENT FOR THE
             CALIFORNIA INSURED INTERMEDIATE MUNICIPAL FUND BETWEEN COMPOSITE
             AND VAN KAMPEN AMERICAN CAPITAL MANAGEMENT INC.
 
     As a result of the proposed termination of the Current Advisory Agreements,
the Board, including a majority of the Disinterested Trustees, at a meeting held
on October 27-28, 1997, concluded that entry into a New Sub-Advisory Agreement
for the California Municipal Fund, Florida Insured Municipal Fund and California
Insured Intermediate Municipal Fund (the "Van Kampen-Advised Funds") would be in
the best interests of such Funds and their shareholders. Therefore, the Board is
recommending that shareholders of the Funds approve the selection of Van Kampen
American Capital Management Inc. ("Van Kampen") to continue to serve as the
investment sub-adviser to the Van Kampen-Advised Funds and approve a New Sub-
Advisory Agreement. Other than the change of the investment adviser to the Funds
from Sierra Advisors to Composite, provisions regarding the dates of
effectiveness and termination, and deleting the Trust as a party to the
Agreement, there are no material differences between the Current Sub-Advisory
Agreements and New Sub-Advisory Agreement.
 
THE CURRENT SUB-ADVISORY AGREEMENT
 
     Van Kampen currently serves as the investment sub-advisor to the California
Municipal Fund, Florida Insured Municipal Fund and California Insured
Intermediate Municipal Fund pursuant to an agreement by and among the Trust,
Sierra Advisors and Van Kampen dated October 31, 1996, and approved by
shareholders of the Funds on October 29, 1996. Under the Current Sub-Advisory
Agreement, Van Kampen makes the day-to-day investment decisions for the assets
of the Funds, subject to the supervision of, and policies established by, Sierra
Advisors and the Trustees.
 
     The Current Sub-Advisory Agreement provides that Van Kampen, in return for
its fee, and subject to the supervision of the Board and Sierra Advisors, will
(1) act in conformity with the Trust's Master Trust Agreement, the 1940 Act, the
Advisers Act of 1940 and the Internal Revenue Code of 1986; (2) make investment
decisions for the Funds in accordance with the Funds' investment objectives and
policies as stated in the Funds' Prospectus and Statement of Additional
Information as in effect and, after notice to Van Kampen, as they may be amended
from time to time; (3) place purchase and sale orders on behalf of the Funds to
effectuate the investment decisions made; (4) maintain books and records with
respect to the securities transactions of the Funds and will furnish to the
Trust's Board such periodic, regular and special reports as the Board may
request; (5) treat confidentially and as proprietary information of the Trust,
all records and other information relative to the Trust and past, present or
potential shareholders; and (6) will not use such records and information for
any purpose other than performance of its responsibilities and duties under the
Current Sub-Advisory Agreement, except after prior notification to and approval
in writing by the Trust, which approval shall not be unreasonably withheld and
such records may not be withheld where Van Kampen may be exposed to civil or
criminal contempt proceedings for failure to comply when requested to divulge
such information by duly constituted authorities, or when so requested by the
Trust. In providing these services, Van Kampen will supervise the Funds'
investments and conduct a continual program of investment, evaluation and, if
appropriate, sale and reinvestment of the Funds' assets. In addition, Van Kampen
will furnish the Funds or Sierra Advisors with whatever statistical information
the Funds or Sierra Advisors may reasonably request with respect to the
instruments that the Funds may hold or contemplate purchasing.
 
                                       28
<PAGE>   33
 
     The Current Sub-Advisory Agreement provides for compensation to Van Kampen
from Sierra Advisors calculated as a monthly fee, absent fee waivers, at the
following annual rates:
 
<TABLE>
<CAPTION>
                                                                  AMOUNT OF ASSETS ($ MILLIONS)
                                               -------------------------------------------------------------------
                                                                        AFTER
                                                          AFTER 75;     100;      AFTER 125;   AFTER 150;    OVER
                    FUND                       FIRST 75    NEXT 25     NEXT 25     NEXT 25      NEXT 850     1000
- ---------------------------------------------  --------   ---------   ---------   ----------   ----------   ------
<S>                                            <C>        <C>         <C>         <C>          <C>          <C>
California Municipal Fund*...................     .20%        .20%        .20%        .20%         .15%      .125%
Florida Insured Municipal Fund...............     .20%       .125%       .125%       .125%        .125%      .125%
California Insured Intermediate Municipal
  Fund.......................................     .20%       .125%       .125%       .125%        .125%      .125%
</TABLE>
 
- ---------------
 
* With respect to the California Municipal Fund, when the combined average daily
  net assets of the California Municipal Fund and National Municipal Fund (the
  "Combined Assets") exceeds $750 million, the Sub-Advisor will be paid a fee
  with respect to the California Municipal Fund in proportion to the Fund's
  average net assets at the following annual rate: .15% of the Combined Assets
  up to $1 billion; plus .125% of the Combined Assets over $1 billion. The
  Combined Assets currently do not exceed $750 million.
 
     The Current Sub-Advisory Agreement provides that Van Kampen will bear all
expenses in connection with the performance of its services under the Agreement,
which expenses do not include brokerage fees or commissions in connection with
the effectuation of securities transactions. The Trust will bear certain other
expenses to be incurred in its operation, including but not limited to
organizational expenses, taxes, interest, brokerage fees and commissions, if
any; fees of Disinterested Trustees; SEC fees and state Blue Sky qualification
fees; out-of-pocket expenses of custodians, transfer and dividend disbursing
agents and the Trust's sub-administrator and transaction charges of custodians;
insurance premiums; outside auditing and legal expenses; costs of maintenance of
the Trust's existence; costs attributable to investor services, including
without limitation, telephone and personnel expenses; costs of preparing and
printing prospectuses and statements of additional information for regulatory
purposes and for distribution to existing shareholders; costs of shareholders'
reports and meetings of the shareholders of the Funds and of the officers or
Board of the Trust; and any extraordinary expenses. In addition, the Funds pay a
distribution fee pursuant to the terms of Distribution Plans adopted under Rule
12b-1 of the 1940 Act.
 
     The services of Van Kampen are not deemed to be exclusive, and Van Kampen
is free to render investment advisory and other services to others, including
fiduciary and other managed accounts as well as to other investment companies or
series of investment companies, so long as its services under the Current Sub-
Advisory Agreement are not impaired thereby. The Current Sub-Advisory Agreement
also provides that whenever the Funds and one or more other accounts or
investment companies advised by Van Kampen have available funds for investment,
investments suitable and appropriate for each will be allocated in accordance
with procedures believed to be equitable to each entity. Similarly,
opportunities to sell securities will be allocated in an equitable manner.
 
     The Current Sub-Advisory Agreement has an initial term of two years from
its effective date, and thereafter shall continue for successive annual periods,
provided that continuation is approved by the Board or by vote of a majority of
the Funds' outstanding voting securities, as well as by a majority of the
Disinterested Trustees. The Current Sub-Advisory Agreement may be terminated,
without the payment of any penalty upon 30 days' written notice by Sierra
Advisors, the Board or by the vote of a majority of the outstanding voting
securities of the Funds, or upon 90 days' written notice by Van Kampen. In
addition, the Current Sub-Advisory Agreement will also terminate automatically
upon the termination of the investment advisory agreement between the Funds and
Sierra Advisors, as well as in the event of its assignment.
 
     Under the Current Sub-Advisory Agreement, Van Kampen is not liable for any
error of judgment or for any loss suffered by the Funds or Sierra Advisors in
connection with performance of its obligations under the agreement, except for
any losses resulting from a breach of a fiduciary duty with respect to the
receipt of compensation for services, or resulting from willful misfeasance, bad
faith or gross negligence on Van Kampen's part in the performance of its duties
or from reckless disregard of its obligations and duties under the agreement.
 
                                       29
<PAGE>   34
 
THE NEW SUB-ADVISORY AGREEMENT
 
     The Board approved the proposed New Sub-Advisory Agreement between
Composite and Van Kampen, a form of which is attached hereto as Exhibit D, at a
meeting held on October 27-28, 1997. The form of the proposed New Sub-Advisory
Agreement is identical to the Current Sub-Advisory Agreement, except for the
change of the investment adviser from Sierra Advisors to Composite, the dates of
execution, effectiveness and initial term, and the deletion of the Trust as a
party to the Agreement.
 
     The sub-advisory fees as a percentage of net assets now payable by
Composite will be the same under the New Sub-Advisory Agreement as under the
Current Sub-Advisory Agreement with Sierra Advisors. However, because Van Kampen
will no longer serve as investment sub-adviser to the National Municipal Fund,
the assets of the National Municipal Fund will not be considered when
calculating the sub-advisory fee for the California Municipal Fund. Nonetheless,
if the sub-advisory fee under the New Sub-Advisory Agreement had been in effect
for each of the Fund's most recently completed fiscal year, the sub-advisory fee
to which Van Kampen would have been entitled would have been identical to that
to which it was entitled under the Current Sub-Advisory Agreement. Van Kampen
may from time to time and at its discretion voluntarily waive all or a portion
of its fees in order to assist the Funds in maintaining competitive expense
ratios. Van Kampen reserves the right to terminate any voluntary fee waiver at
any time.
 
     At a meeting held on October 27-28, 1997, the Board, including the
Disinterested Trustees, unanimously approved the New Sub-Advisory Agreement for
the Trust on behalf of each of the Funds, and recommended the New Sub-Advisory
Agreement for approval by the shareholders of each of the Funds. The New Sub-
Advisory Agreement would take effect upon the obtaining of shareholder approval.
The New Sub-Advisory Agreement will continue in effect for an initial term of
two years and thereafter for successive annual periods as long as such
continuance is approved in accordance with the 1940 Act.
 
     In evaluating the New Sub-Advisory Agreement, the Board considered the
continuity of services by Van Kampen. In this regard, the Board took into
account the Fund's Current Sub-Advisory Agreement and the New Sub-Advisory
Agreement, including their terms relating to the services to be provided
thereunder by Van Kampen, and the fact that the fees and expenses payable under
the New Sub-Advisory Agreement will be equal to those paid under the Current
Sub-Advisory Agreement. Although the Trust is not a party to the New
Sub-Advisory Agreement, it is not expected that this change will have a material
effect on the remedies available to the Trust or shareholders in the event of a
breach of the New Sub-Advisory Agreement.
 
     Approval of the New Sub-Advisory Agreement is contingent on the approval by
shareholders of the New Management Agreement between the Trust and Composite.
However, if the New Management Agreement is approved and shareholders of a Fund
do not approve the New Sub-Advisory Agreement, then the Board will take such
action as it deems is in the best interest of the Fund and its shareholders,
which may include proposing that shareholders approve an agreement in lieu of
the New Sub-Advisory Agreement.
 
INFORMATION REGARDING VAN KAMPEN
 
     Van Kampen acts as investment sub-advisor for each of the Van
Kampen-Advised Funds and has acted as investment sub-adviser for such Funds
since each commenced its investment operations.
 
     Van Kampen is located at One Parkview Plaza, Oakbrook Terrace, Illinois
60181. Van Kampen is an indirect wholly owned subsidiary of VK/AC Holding Inc.
VK/AC Holding Inc. is a wholly owned subsidiary of MSAM Holdings, Inc., which,
in turn, is a wholly owned subsidiary of Morgan Stanley, Dean Witter, Discover &
Co., a publicly held company. Van Kampen provides investment advice to a wide
variety of individual, institutional and investment company clients and,
together with its affiliates, had aggregate assets under management or
supervision, as of September 30, 1997, of more than $67.0 billion.
 
                                       30
<PAGE>   35
 
     The Directors and principal executive officers of Van Kampen and their
principal occupations are listed below.
 
<TABLE>
<CAPTION>
                                                           PRINCIPAL
        NAME                    ADDRESS                   OCCUPATION
- --------------------  ----------------------------    -------------------
<S>                   <C>                             <C>
Don G. Powell         2800 Post Oak Blvd.             Chairman
                      Houston, TX 77056

Philip N. Duff        One Parkview Plaza              Chief Executive
                      Oakbrook Terrace, IL 60181      Officer

Dennis J. McDonnell   One Parkview Plaza              President and Chief
                      Oakbrook Terrace, IL 60181      Operating Officer

Ronald A. Nyberg      One Parkview Plaza              Executive Vice
                      Oakbrook Terrace, IL 60181      President, General
                                                      Counsel and
                                                      Assistant Secretary

William R. Rybak      One Parkview Plaza              Executive Vice
                      Oakbrook Terrace, IL 60181      President and
                                                      Chief Financial
                                                      Officer
</TABLE>
 
     None of the officers or Trustees of the Trust is an officer, employee,
director, or shareholder of Van Kampen.
 
     As compensation for investment sub-advisory services to the Funds for the
fiscal year ended June 30, 1997, Van Kampen received compensation with respect
to each Fund as follows: for the California Municipal Fund $637,702; for the
Florida Insured Municipal Fund $63,134; and for the California Insured
Intermediate Municipal Fund $144,771.
 
     Van Kampen currently provides investment services to the following
investment companies having an investment objective similar to the investment
objective of the Van Kampen-Advised Funds:
 
<TABLE>
<CAPTION>
                                          AMOUNT OF ASSETS
     NAME OF OTHER INVESTMENT             UNDER MANAGEMENT
             COMPANY                  AS OF SEPTEMBER 30, 1997         RATE OF COMPENSATION
- ----------------------------------    ------------------------     ----------------------------
<S>                                   <C>                          <C>
Mentor Municipal Income Portfolio           $ 73,500,000           0.25% of first $60 million
                                                                   0.20 over $60 million
</TABLE>
 
SHAREHOLDER APPROVAL OF THE NEW SUB-ADVISORY AGREEMENT
 
     Approval of the New Sub-Advisory Agreement for each of the Van
Kampen-Advised Funds requires the affirmative vote of a majority of the
outstanding shares of each Fund separately. For purposes of this proposal,
"majority of the outstanding shares" means the vote of (1) 67% or more of a
Fund's outstanding shares present at the Special Meeting, if the holders of more
than 50% of the outstanding shares of a Fund are present in person or
represented by proxy; or (2) more than 50% of a Fund's outstanding shares
whichever is less.
 
   THE BOARD OF TRUSTEES RECOMMENDS THAT THE SHAREHOLDERS OF EACH OF THE VAN
   KAMPEN-ADVISED FUNDS VOTE FOR APPROVAL OF THE NEW SUB-ADVISORY AGREEMENT.
 
                                       31
<PAGE>   36
 
                             ADDITIONAL INFORMATION
 
TRUSTEES AND EXECUTIVE OFFICERS
 
     Information about the Trust's current Trustees is set forth under Proposal
1 above. Presently, no officer of the Trust is an officer, employee, director or
shareholder of Composite. Nonetheless, each of the following officers of the
Trust are officers or employees of an entity that is under common control with
Composite:
 
<TABLE>
<CAPTION>
                                                                                  SHARES BENEFICIALLY
  NAME, AGE AND POSITION       ADDRESS AND BUSINESS EXPERIENCE DURING THE PAST        OWNED AS OF
      WITH THE TRUST              FIVE YEARS (INCLUDING ALL DIRECTORSHIPS)*         THE RECORD DATE
- ---------------------------    -----------------------------------------------    -------------------
<S>                            <C>                                                <C>
Keith B. Pipes (41)            Senior Vice President, Chief Financial Officer             **
  President and                and Secretary, Sierra Capital Management
  Chief Executive Officer      Company, 1988 to 1997; Chief Financial Officer,
                               Secretary and Treasurer, Sierra Fund
                               Administration Corporation, 1988 to 1997;
                               Executive Vice President and Secretary, Sierra
                               Investment Advisors Corporation, 1988 to 1997;
                               Senior Vice President, Chief Financial Officer
                               and Secretary, Sierra Investment Services
                               Corporation, 1992 to 1997.

Michael D. Goth (52)           Chief Operating Officer, Sierra Investment                 **
  Senior Vice President        Advisors Corporation, 1991 to present.
Stephen C. Scott (52)          President and Chief Investment Officer, Sierra             **
  Senior Vice President        Investment Advisors Corporation, 1988 to
                               present; Senior Vice President and Chief
                               Investment Officer, Sierra Investment Services
                               Corporation, 1996 to present.

Craig M. Miller (38)           Vice President and Controller, Sierra Capital              **
  Treasurer and Chief          Management Company, Sierra Fund Administration
  Financial Officer            Corporation and Sierra Investment Services
                               Corporation, 1993 to present; Audit Manager,
                               Coopers & Lybrand, L.L.P., 1987 to 1993.

Richard W. Grant (52)          2000 One Logan Square, Philadelphia, PA 19103              **
  Secretary                    Partner, Morgan, Lewis & Bockius LLP, 1989 to
                               present.

Darren S. Kishimoto (31)       Fund Administration Manager, Sierra Fund                   **
  Assistant Secretary          Administration Corporation, 1994 to present;
                               Senior Fund Administrator, 1992 to 1994.

Bradley F. Hersh (29)          Finance Manager, Sierra Fund Administration                **
  Assistant Treasurer          Corporation; 1996 to present. Senior Financial
                               Analyst, GW Securities, 1991 to 1995.
</TABLE>
 
- ---------------
 
 * The address of each officer of the Trust affiliated with Sierra Investment
   Advisors Corporation or Sierra Investment Services Corporation is 9301 Corbin
   Avenue, Suite 333, Northridge, CA 91324.
 
** As of the Record Date, the Trustees and officers of the Trust as a group
   beneficially owned an aggregate of less than 1% of the shares of each Fund of
   the Trust.
 
     Each officer of the Trust will hold such office until a successor has been
elected by the Board. It is the intention of the Nominees, if elected, to
replace certain of the Trust's officers with individuals familiar with
Composite's mutual fund organization.
 
PRINCIPAL UNDERWRITER
 
     Sierra Investment Services Corporation ("Sierra Services"), located at 9301
Corbin Avenue, Northridge, California 91324, acts as the Trust's principal
underwriter or distributor. Sierra Services is a wholly owned subsidiary of
Sierra Capital Management Corporation, which is an indirect wholly owned
subsidiary of Washington Mutual. For the fiscal year ended June 30, 1997, the
Trust paid Sierra Services an aggregate fee of $8,691,786 for services rendered
as the distributor. Effective January 1, 1998, Composite Funds Distributor,
 
                                       32
<PAGE>   37
 
Inc., located at 601 W. Main Avenue, Spokane, WA 99201 will become the Trust's
distributor. Composite Funds Distributor, Inc. is a wholly owned subsidiary of
Washington Mutual.
 
ADMINISTRATOR
 
     Sierra Administration, located at 9301 Corbin Avenue, Northridge,
California 91324, acts as the Trust's administrator. Sierra Administration is a
wholly owned subsidiary of Sierra Capital Management Corporation which is
located at the same address. For the fiscal year ended June 30, 1997, the Trust
paid Sierra Administration an aggregate fee of $9,662,421 for services rendered
as the administrator and as transfer agent. Effective January 1, 1998,
administration services will be provided by Composite. Murphey Favre Securities
Services, Inc., located at 601 W. Main Avenue, Spokane, WA 99201 will, at that
time, become the Trust's transfer agent. Murphey Favre Securities Services, Inc.
is a wholly owned subsidiary of Washington Mutual.
 
PORTFOLIO TRANSACTIONS
 
     In the fiscal year ended June 30, 1997 the Trust paid no brokerage
commissions to affiliated brokers.
 
BENEFICIAL OWNERS
 
     To the Trust's knowledge, as of October 1, 1997, the following were
beneficial owners of 5% or more of the outstanding shares of each Fund.
 
<TABLE>
<CAPTION>
                           NAME AND ADDRESS                                NUMBER       PERCENT
                          OF BENEFICIAL OWNER                            OF SHARES      OF CLASS
- -----------------------------------------------------------------------  ----------     --------
<S>                                                                      <C>            <C>
GLOBAL MONEY FUND:
SAM Balanced Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                    42,616,156       22.77%

SAM Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                    28,433,764       15.19%
 
CALIFORNIA MONEY FUND:
Edward B. Baker Ttee FBO The Baker Family Trust, DTD 7/10/94,
  1650 16th Avenue, San Francisco, CA 94122                               5,299,164       12.80%
 
U.S. GOVERNMENT FUND:
SAM Balanced Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     4,410,921       12.17%
 
GROWTH AND INCOME FUND:
SAM Balanced Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     3,637,675       16.34%

SAM Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Northridge, CA 91324                                3,631,457       16.32%

SAM Capital Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Northridge, CA 91324                                1,133,456        5.09%
 
EMERGING GROWTH FUND:
Chase Manhattan Bank Ttee FBO: GWB ESIP Plan
  7700 Broadway, 10th Floor, New York, NY 10003                           1,269,235        9.65%

SAM Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     2,393,120       18.19%
 
INTERNATIONAL GROWTH FUND:
SAM Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     5,102,897       36.36%

SAM Balanced Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     2,712,095       19.32%
</TABLE>
 
                                       33
<PAGE>   38
 
<TABLE>
<CAPTION>
                           NAME AND ADDRESS                                NUMBER       PERCENT
                          OF BENEFICIAL OWNER                            OF SHARES      OF CLASS
- -----------------------------------------------------------------------  ----------     --------
<S>                                                                      <C>            <C>
GROWTH FUND:
SAM Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     4,694,122       26.26%

SAM Balanced Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     2,173,438       12.16%

SAM Capital Growth Portfolio, C/O Sierra Advisors,
  9301 Corbin Avenue, Suite 333, Northridge, CA 91324                     1,229,486        6.88%
</TABLE>
 
SUBMISSION OF SHAREHOLDER PROPOSALS
 
     As a Massachusetts business trust, the Trust and its Funds are not required
to hold annual shareholders' meetings. Shareholders wishing to submit proposals
for inclusion in a proxy statement for a subsequent meeting should send their
written proposals to Sierra Trust Funds, 9301 Corbin Avenue, Northridge,
California 91324, c/o Secretary, Sierra Trust Funds, a reasonable period in
advance of any such meeting.
 
REQUIRED VOTE
 
     Approval of Proposal 1 requires the affirmative vote of a plurality of all
votes cast at the Special Meeting (with shareholders of the Funds voting
together with shareholders of seven other funds of the Trust who have received a
separate proxy solicitation), provided that a majority of the outstanding shares
entitled to vote are present in person or by proxy. Approval of Proposals 2, 3,
4, 5, 6, 7, 8 and 9 requires the affirmative vote of a majority of the
outstanding shares of each affected Fund. As defined in the 1940 Act, the vote
of a majority of the outstanding shares means the vote of (1) 67% or more of a
Fund's outstanding shares present at a meeting, if the holders of more than 50%
of the outstanding shares of a Fund are present or represented by proxy; or (2)
more than 50% of a Fund's outstanding shares, whichever is less.
 
     Abstentions and broker "non-votes" (that is, proxies from brokers or
nominees indicating that such persons have not received instructions from the
beneficial owner or other persons entitled to vote shares on a particular matter
for which the brokers or nominees do not have discretionary power) will not be
counted for or against the Proposals but will be counted for purposes of
determining whether a quorum is present. Abstentions and broker non-votes will
be counted as votes present for purposes of determining a "majority of the
outstanding voting securities" present at the Special Meeting and will therefore
have the effect of counting against Proposals 2, 3, 4, 5, 6, 7, 8 and 9. Brokers
who hold shares as record owners for beneficial owners may have the authority
under the rules of the various stock exchanges to vote those shares with respect
to the Proposals when they have not received instructions from beneficial
owners.
 
                                       34
<PAGE>   39
 
OTHER MATTERS
 
     No business other than the matters described above is expected to come
before the Special Meeting, but should any matter incident to the conduct of the
Special Meeting or any question as to an adjournment of the Special Meeting
arise, the persons named in the enclosed Proxy will vote thereon according to
their best judgment in the interest of the Trust.
 
     SHAREHOLDERS ARE REQUESTED TO COMPLETE, SIGN AND RETURN THE ENCLOSED PROXY
CARD PROMPTLY. NO POSTAGE IS REQUIRED IF MAILED IN THE UNITED STATES.
 
                                          By Order of the Trustees,
 
                                          Keith B. Pipes
                                          President
 
Dated: November 17, 1997
 
                                       35
<PAGE>   40
 
                                                                       EXHIBIT A
 
                               SIERRA TRUST FUNDS
 
                                    FORM OF
                        INVESTMENT MANAGEMENT AGREEMENT
 
     INVESTMENT MANAGEMENT AGREEMENT (this "Agreement"), dated             ,
1997, between the Sierra Trust Funds, a Massachusetts business trust, (the
"Trust"), on behalf of each of its series which are listed on the signature page
of this Agreement (each referred to herein as a "Fund" and, collectively, the
"Funds") and Composite Research & Management Co., a Washington corporation (the
"Manager").
 
                                   WITNESSETH
 
     WHEREAS, the Trust is an open-end series management investment company,
registered under the Investment Company Act of 1940 (the "1940 Act"); and
 
     WHEREAS, the Trust, desires to retain the Manager to render investment
management services to each Fund, and the Manager is willing to render such
services;
 
     NOW, THEREFORE, in consideration of the premises and the mutual agreements
herein contained, the parties hereto agree as follows:
 
          1. Appointment. The Trust hereby appoints the Manager to act as
     investment manager to the Fund for the period and on the terms set forth in
     this Agreement. The Manager accepts such appointment and agrees to render
     the services herein described, for the compensation herein provided.
 
          2. Management. Subject to the supervision of the Board of Trustees of
     the Trust, the Manager shall manage the investment operations of each Fund
     and the composition of each Fund's portfolio, including the purchase,
     retention and disposition of securities therefor, in accordance with such
     Fund's investment objectives, policies and restrictions as stated in the
     Prospectus and Statement of Additional Information (as such terms are
     hereinafter defined) and resolutions of the Trust's Board of Trustees and
     subject to the following understandings:
 
             (a) The Manager shall provide supervision of the Fund's
        investments, furnish a continuous investment program for each Fund's
        portfolio and determine from time to time what securities will be
        purchased, retained, or sold by each Fund, and what portion of the
        assets will be invested or held as cash.
 
             (b) The Manager, in the performance of its duties and obligations
        under this Agreement, shall act in conformity with the Master Trust
        Agreement of the Trust and the investment policies of the Funds as
        determined by the Board of Trustees of the Trust.
 
             (c) The Manager shall determine the securities to be purchased or
        sold by the Funds and shall place orders for the purchase and sale of
        portfolio securities pursuant to its determinations with brokers or
        dealers selected by the Manager. In executing portfolio transactions and
        selecting brokers or dealers, the Manager shall use its best efforts to
        seek on behalf of the Funds the best overall terms available. In
        assessing the best overall terms available for any transaction, the
        Manager may consider all factors it deems relevant, including the
        breadth of the market in the security, the price of the security, the
        size of the transaction, the timing of the transaction, the reputation,
        financial condition, experience, and execution capability of a broker or
        dealer, the amount of commission, and the value of any brokerage and
        research services (as those terms are defined in Section 28(e) of the
        Securities Exchange Act of 1934) provided by a broker or dealer. The
        Manager is authorized to pay to a broker or dealer who provides such
        brokerage and research services a commission for executing a portfolio
        transaction for a Fund which is in excess of the amount of commission
        another broker or dealer
 
                                       A-1
<PAGE>   41
 
        would have charged for effecting the transaction if the Manager
        determines in good faith that such commission was reasonable in relation
        to the value of the brokerage and research services provided by such
        broker or dealer, viewed in terms of that particular transaction or in
        terms of the overall responsibilities of the Manager to the Fund and/or
        other accounts over which the Manager exercises investment discretion.
 
             (d) On occasions when the Manager deems the purchase or sale of a
        security to be in the best interest of a Fund as well as other fiduciary
        accounts for which it has investment responsibility, the Manager, to the
        extent permitted by applicable laws and regulations, may aggregate the
        securities to be so sold or purchased in order to obtain the best
        execution, most favorable net price or lower brokerage commissions.
 
             (e) Subject to the provisions of the Master Trust Agreement of the
        Trust and the 1940 Act, the Manager, at its expense, may select and
        contract with one or more investment advisers (the "Sub-adviser") for
        each Fund to perform some or all of the services for which it is
        responsible pursuant to this Section 2. The Manager shall be solely
        responsible for the compensation of any Sub-adviser of a Fund for its
        services to such Fund. The Manager may terminate the services of any
        Sub-adviser at any time in its sole discretion, and shall at such time
        assume the responsibilities of such Sub-adviser unless and until a
        successor Sub-adviser is selected. To the extent that more than one
        Sub-adviser is selected, the Manager shall, in its sole discretion,
        determine the amount of the Fund's assets allocated to each such
        Sub-adviser.
 
          3. Services Not Exclusive. The investment management services rendered
     by the Manager hereunder to the Funds are not to be deemed exclusive, and
     the Manager shall have the right to render similar services to others,
     including, without limitation, other investment companies.
 
          4. Expenses. During the term of this Agreement, the Manager shall pay
     all expenses incurred by it in connection with its activities under this
     Agreement including the salaries and expenses of any of the officers or
     employees of the Manager who act as officers, Trustees or employees of the
     Trust but excluding the cost of securities purchased for the Funds and the
     amount of any brokerage fees and commissions incurred in executing
     portfolio transactions for the Funds, and shall provide the Funds with
     suitable office space. Other expenses to be incurred in the operation of
     the Funds (other than those borne by any third party), including without
     limitation, taxes, interest, brokerage fees and commissions, fees of
     Trustees who are not officers, directors, or employees of the Manager,
     federal registration fees and state Blue Sky qualification fees,
     administration fees, bookkeeping, charges of custodians, transfer and
     dividend disbursing agents' fees, certain insurance premiums, industry
     association fees, outside auditing and legal expenses, costs of maintaining
     the Funds' or the Trust's existence, costs of independent pricing services,
     costs attributable to investor services (including, without limitation,
     telephone and personnel expenses), costs of preparing, printing and
     distributing prospectuses to existing shareholders, costs of stockholders'
     reports and meetings of shareholders and Trustees of the Funds or the
     Trust, as applicable, and any extraordinary expenses will be borne by the
     Fund.
 
          5. Compensation. For the services provided pursuant to this Agreement,
     the Trust shall pay to the Manager as full compensation therefor a monthly
     fee computed on the average daily net assets at the annual rate for each
     Fund as stated in Schedule A attached hereto. The Trust acknowledges that
     the Manager, as agent for the Funds, will allocate a portion of the fee
     equal to the sub-advisory fee payable to the sub-advisor, if any, under its
     sub-advisory agreement to the sub-advisor for sub-advisory services. The
     Trust acknowledges that the Manager, as agent for the Funds, will allocate
     a portion of the fee to Murphey Favre Securities Services, Inc. for
     administrative services, portfolio accounting and regulatory compliance
     systems. The Manager also from time to time and in such amounts as it shall
     determine in its sole discretion may allocate a portion of the fee to
     Composite Funds Distributor, Inc. for facilitating distribution of the
     Funds. This payment would be made from revenue which otherwise would be
     considered profit to the Manager for its services. This disclosure is being
     made to the Trust solely for the purpose of conforming with requirements of
     the Washington Department of Revenue for exclusion of revenue from the
     Washington Business and Occupation Tax.
 
                                       A-2
<PAGE>   42
 
          6. Limitation of Liability. The Manager shall not be liable for any
     error of judgment or mistake of law or for any loss suffered by the Trust
     in connection with the matters to which this Agreement relates, except a
     loss resulting from willful misfeasance, bad faith or gross negligence on
     its part in the performance of its duties or from reckless disregard by it
     of its obligations and duties under this Agreement.
 
          7. Delivery of Documents. The Trust has heretofore delivered to the
     Manager true and complete copies of each of the following documents and
     shall promptly deliver to it all future amendments and supplements thereto,
     if any:
 
             (a) Master Trust Agreement as presently in effect and as amended
        from time to time;
 
             (b) Bylaws of the Trust;
 
             (c) Registration Statement under the Securities Act of 1933 and
        under the 1940 Act of the Trust on Form N-1A, and all amendments
        thereto, as filed with the Securities and Exchange Commission (the
        "Registration Statement") relating to the Trust and the shares of the
        Funds;
 
             (d) Notification of Registration of the Trust under the 1940 Act on
        Form N-8A;
 
             (e) Prospectuses of the Trust relating to shares of the Funds (such
        prospectuses as presently in effect and/or as amended or supplemented
        from time to time, the "Prospectus"); and
 
             (f) Statement of Additional Information of the Trust relating to
        shares of the Funds (such statement as presently in effect and/or as
        amended or supplemented from time to time, the "Statement of Additional
        Information").
 
          8. Duration and Termination. This Agreement shall become effective as
     of the date first above-written for an initial period of two years and
     shall continue thereafter so long as such continuance is specifically
     approved at least annually (a) by the vote of the Board of Trustees
     including a majority of those members of the Trust's Board of Trustees who
     are not parties to this Agreement or "interested persons" of any such
     party, cast in person at a meeting called for that purpose, or by vote of a
     majority of the outstanding voting securities of each Fund. Notwithstanding
     the foregoing, (a) this Agreement may be terminated with respect to any
     Fund at any time, without the payment of any penalty, by either the Trust
     (by vote of the Trust's Board of Trustees or by vote of a majority of the
     outstanding voting securities of the Fund) or the Manager, on sixty (60)
     days prior written notice to the other and (b) shall automatically
     terminate in the event of its assignment. As used in this Agreement, the
     terms "majority of the outstanding voting securities," "interested persons"
     and "assignment" shall have the meanings assigned to such terms in the 1940
     Act.
 
          9. Amendments. No provision of this Agreement may be amended,
     modified, waived or supplemented except by a written instrument signed by
     the party against which enforcement is sought. No amendment of this
     Agreement shall be effective until approved in accordance with any
     applicable provisions of the 1940 Act.
 
          10. Use of Name and Logo. The Trust agrees that it shall furnish to
     the Manager, prior to any use or distribution thereof, copies of all
     prospectuses, statements of additional information, proxy statements,
     reports to stockholders, sales literature, advertisements, and other
     material prepared for distribution to stockholders of the Trust or to the
     public, which in any way refer to or describe the Manager or which include
     any trade names, trademarks or logos of the Manager or of any affiliate of
     the Manager. The Trust further agrees that it shall not use or distribute
     any such material if the Manager reasonably objects in writing to such use
     or distribution within five (5) business days after the date such material
     is furnished to the Manager.
 
          The Manager and/or its affiliates own the names "Sierra", "Composite"
     and any other names which may be listed from time to time on a Schedule B
     to be attached hereto that they may develop for use in connection with the
     Trust, which names may be used by the Trust only with the consent of the
     Manager and/or its affiliates. The Manager, on behalf of itself and/or its
     affiliates, consents to the use by the Trust
 
                                       A-3
<PAGE>   43
 
     of such names or any other names embodying such names, but only on
     condition and so long as (i) this Agreement shall remain in full force,
     (ii) the Fund and the Trust shall fully perform, fulfill and comply with
     all provisions of this Agreement expressed herein to be performed,
     fulfilled or complied with by it, and (iii) the Manager is the manager of
     the Fund and the Trust. No such name shall be used by the Trust at any time
     or in any place or for any purposes or under any conditions except as
     provided in this section. The foregoing authorization by the Manager, on
     behalf of itself and/or its affiliates, the Trust to use such names as part
     of a business or name is not exclusive of the right of the Manager and/or
     its affiliates themselves to use, or to authorize others to use, the same;
     the Fund and the Trust acknowledges and agrees that as between the Manager
     and/or its affiliates and the Fund or the Trust, the Manager and/ or its
     affiliates have the exclusive right so to use, or authorize others to use,
     such names, and the Trust agrees to take such action as may reasonably be
     requested by the Manager, on behalf of itself and/or its affiliates, to
     give full effect to the provisions of this section (including, without
     limitation, consenting to such use of such names). Without limiting the
     generality of the foregoing, the Trust agrees that, upon (i) any violation
     of the provisions of this Agreement by the Trust or (ii) any termination of
     this Agreement, by either party or otherwise, the Trust will, at the
     request of the Manager, on behalf of itself and/or its affiliates, made
     within six months after such violation or termination, use its best efforts
     to change the name of the Trust so as to eliminate all reference, if any,
     to such names and will not thereafter transact any business in a name
     containing such names in any form or combination whatsoever, or designate
     itself as the same entity as or successor to an entity of such names, or
     otherwise use such names or any other reference to the Manager and/or its
     affiliates, except as may be required by law. Such covenants on the part of
     the Trust shall be binding upon it, its Trustees, officers, shareholders,
     creditors and all other persons claiming under or through it.
 
          The provisions of this section shall survive termination of this
     Agreement.
 
          11. Notices. Any notice or other communication required to be given
     pursuant to this Agreement shall be deemed duly given if delivered or
     mailed by registered mail, postage prepaid, if to the Trust: 601 W. Main
     Ave., Suite 300, Spokane, Washington 99201; or if to the Manager: 1201
     Third Avenue, Suite 1220, Seattle, Washington 98101; or to either party at
     such other address as such party shall designate to the other by a notice
     given in accordance with the provisions of this section.
 
        12. Miscellaneous.
 
             (a) Except as otherwise expressly provided herein or authorized by
        the Board of Trustees of the Trust from time to time, the Manager for
        all purposes herein shall be deemed to be an independent contractor and
        shall have no authority to act for or represent the Trust in any way or
        otherwise be deemed an agent of the Trust.
 
             (b) The Trust shall furnish or otherwise make available to the
        Manager such information relating to the business affairs of the Trust
        as the Manager at any time or from time to time reasonably requests in
        order to discharge its obligations hereunder.
 
             (c) This Agreement shall be governed by and construed in accordance
        with the laws of The Commonwealth of Massachusetts and shall inure to
        the benefit of the parties hereto and their respective successors.
 
             (d) If any provision of this Agreement shall be held or made
        invalid or by any court decision, statute, rule or otherwise, the
        remainder of this Agreement shall not be affected thereby.
 
          13. Master Trust Agreement and Limitation of Liability. A copy of the
     Master Trust Agreement of the Trust is on file with the Secretary of State
     of The Commonwealth of Massachusetts, and notice is hereby given that this
     Agreement is executed by an officer of the Trust on behalf of the Trustees
     of the Trust, as trustees and not individually, on further behalf of the
     Funds, and that the obligations of this Agreement shall be binding upon the
     assets and properties of the Funds only and shall not be binding upon the
     assets and properties of any other series of the Trust or upon any of the
     Trustees, officers, employees, agents or shareholders of the Funds or the
     Trust individually.
 
                                       A-4
<PAGE>   44
 
     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their officers designated below as of the date first above-written.
 
                                          SIERRA TRUST FUNDS, on behalf of its
                                          series
                                          SHORT TERM HIGH QUALITY BOND FUND,
                                          GROWTH FUND,
                                          EMERGING GROWTH FUND,
                                          INTERNATIONAL GROWTH FUND,
                                          CALIFORNIA MUNICIPAL FUND,
                                          CALIFORNIA INSURED INTERMEDIATE
                                            MUNICIPAL FUND,
                                          FLORIDA INSURED MUNICIPAL FUND,
                                          CALIFORNIA MONEY FUND, and
                                          TARGET MATURITY 2002 FUND
 
                                          By:
                                            ------------------------------------
                                            Name:
                                            Title:
Attest:
 
By:
    -----------------------------------------------------
    Name:
    Title:
                                          COMPOSITE RESEARCH &
                                          MANAGEMENT CO.
                                          By:
                                            ------------------------------------
                                            William G. Papesh
                                            President
Attest:
 
By:
    -----------------------------------------------------
    Sharon L. Howells
    Secretary
 
                                       A-5
<PAGE>   45
 
                        SCHEDULE A -- SIERRA TRUST FUNDS
                        INVESTMENT MANAGEMENT AGREEMENT
 
     The fees to be charged to Sierra Trust Funds for services provided under
this Agreement (including any sub-advisory fees) are as follows:
 
<TABLE>
<CAPTION>
                                                                                           ALL
                                                                                          ASSETS
                                                                                          ------
<S>                                                                                       <C>
Target Maturity 2002 Fund............................................................     0.250%
</TABLE>
 
<TABLE>
<CAPTION>
                                                               UP TO      AFTER $200M      OVER
                                                               $200M      NEXT $300M      $500M
                                                               ------     -----------     ------
<S>                                                            <C>        <C>             <C>
California Municipal Fund....................................  0.700%        0.700%       0.550%
California Insured Intermediate Municipal Fund...............  0.700%        0.700%       0.550%
Florida Insured Municipal Fund...............................  0.700%        0.700%       0.550%
California Money Fund........................................  0.500%        0.500%       0.400%
Short Term High Quality Bond Fund............................  0.500%        0.450%       0.400%
</TABLE>
 
<TABLE>
<CAPTION>
                                                 FIRST     AFTER $100M     AFTER $200M      OVER
                                                 $100M     NEXT $100M      NEXT $300M      $500M
                                                 -----     -----------     -----------     ------
<S>                                              <C>       <C>             <C>             <C>
Growth Fund....................................  1.10%        1.05%           1.025%       1.025%
</TABLE>
 
<TABLE>
<CAPTION>
                                                              FIRST        AFTER $100M      OVER
                                                              $100M        NEXT $400M      $500M
                                                           -----------     -----------     ------
<S>                                                        <C>             <C>             <C>
Emerging Growth Fund..................................        1.05%            1.00%       0.900%
</TABLE>
 
<TABLE>
<CAPTION>
                                                              UP TO        AFTER $50M       OVER
                                                              $50M          NEXT $75M      $125M
                                                           -----------     -----------     ------
<S>                                                        <C>             <C>             <C>
International Growth Fund.............................        1.10%            1.00%        0.80%
</TABLE>
 
                                       A-6
<PAGE>   46
 
                                                                       EXHIBIT B
 
                                    FORM OF
                       INVESTMENT SUB-ADVISORY AGREEMENT
 
     This Agreement is made and entered into as of this   nd day of
1997, by and between Composite Research & Management Co. ("Composite"), a
corporation organized under the laws of the state of Washington and Janus
Capital Corporation (the "Sub-Advisor"), a corporation organized under the laws
of the state of Colorado.
 
                                  WITNESSETH:
 
     Whereas, Sierra Trust Funds (the "Company"), an unincorporated business
trust organized under the laws of the Commonwealth of Massachusetts, is engaged
in business as an open-end, management investment company and is so registered
under the Investment Company Act of 1940, as amended (the "Investment Company
Act");
 
     Whereas, the Company offers a number of investment portfolios, each with
its own investment objective and strategies, and of which two investment
portfolios are the Growth Fund and the Emerging Growth Fund (each a "Fund" and,
together, the "Funds");
 
     Whereas, Composite is engaged in the business of rendering investment
advisory and management services, is registered as an investment adviser under
the Investment Advisers Act of 1940, as amended (the "Advisers Act"), and is the
investment advisor of the Funds;
 
     Whereas, the Sub-Advisor is engaged in the business of rendering investment
advisory and management services and is registered as an investment adviser
under the Advisers Act; and
 
     Whereas, Composite desires to retain the Sub-Advisor to furnish investment
advisory and management services to the Funds and the Sub-Advisor is willing to
furnish such services;
 
     NOW, THEREFORE, in consideration of the mutual agreements herein contained,
it is hereby agreed by and between the parties hereto as follows:
 
 1. Investment Description; Appointment
 
     The Company desires to employ the capital of the Funds by investing and
reinvesting in investments of the kind and in accordance with the limitations
specified in its Master Trust Agreement, as amended, and in its Prospectus and
Statement of Additional Information relating to each Fund as in effect and which
may be amended from time to time, and in such manner and to such extent as may
from time to time be approved by the Board of Trustees of the Company. Copies of
each Fund's Prospectus and Statement of Additional Information, as amended, have
been or will be submitted to the Sub-Advisor. Composite agrees to provide copies
of all amendments or supplements to each Fund's Prospectus and Statement of
Additional Information and the Company's Master Trust Agreement to the
Sub-Advisor during the continuance of this Agreement before or at the time such
amendments or supplements become effective.
 
     Composite agrees to furnish the Sub-Advisor with minutes of meetings of the
Board of Trustees of the Company to the extent they may affect the duties of the
Sub-Advisor, a certified copy of any financial statements or reports prepared
for the Funds by certified or independent public accountants, and with copies of
any financial statements or reports made by a Fund to its shareholders or to any
governmental body or securities exchange, and any further materials or
information which the Sub-Advisor may reasonably request to enable it to perform
its functions under this Agreement. Composite desires to employ and hereby
appoints the Sub-Advisor to act as investment sub-adviser to the Funds. The
Sub-Advisor accepts the appointment and agrees to furnish the services described
herein for the compensation set forth below.
 
                                       B-1
<PAGE>   47
 
 2. Services as Investment Sub-Advisor
 
     Subject to the supervision of the Board of Trustees of the Company and of
Composite, the Funds' investment adviser, the Sub-Advisor will (a) maintain
compliance procedures for the Funds that the Sub-Advisor believes are adequate
to ensure its compliance with the applicable provisions of the Investment
Company Act and the Advisers Act as the same may from time to time be amended;
(b) make investment decisions for the Funds in accordance with each Fund's
investment objective(s) and policies as stated in each Fund's Prospectus and
Statement of Additional Information as in effect and, after notice to the
Sub-Advisor, and which may be amended from time to time; (c) place purchase and
sale orders on behalf of the Funds to effectuate the investment decisions made;
(d) maintain books and records with respect to the securities transactions of
the Funds in accordance with the Investment Company Act and the Advisers Act and
the rules adopted thereunder and will furnish Composite quarterly, annual and
special reports as Composite may reasonably request; and (e) treat
confidentially and as proprietary information of the Company, all records and
other information relative to the Company and prior, present or potential
shareholders; and will not knowingly use such records and information for any
purpose other than performance of its responsibilities and duties hereunder,
except after prior notification to and approval in writing by the Company, which
approval shall not be unreasonably withheld and such records may not be withheld
where the Sub-Advisor may be exposed to civil or criminal contempt proceedings
for failure to comply, when requested to divulge such information by duly
constituted authorities, or when so requested by the Company. In providing those
services, the Sub-Advisor will supervise each Fund's investments and conduct a
continual program of investment, evaluation and, if appropriate, sale and
reinvestment of each Fund's assets.
 
     Subject to the supervision of Composite and in accordance with the
investment objective and policies as stated in each Fund's Prospectus and
Statement of Additional Information, the Sub-Advisor is authorized, in its
discretion and without prior consultation with Composite, to buy, sell, lend and
otherwise trade in any stocks, bonds, and other securities and investment
instruments on behalf of the Funds, without regard to the length of time the
securities have been held and the resulting rate of portfolio turnover or any
tax considerations, and so long as consistent with the foregoing, the majority
or the whole of a Fund may be invested in such proportions of stocks, bonds,
other securities or investment instruments, or cash as the Sub-Advisor shall
determine. In addition, the Sub-Advisor will furnish the Funds or Composite with
whatever statistical information the Funds or Composite may reasonably request
with respect to the instruments that the Funds may hold or contemplate
purchasing.
 
 3. Brokerage
 
     Subject to (i) the over-riding objective of obtaining the best possible
execution of orders; and (ii) review and approval of the Board of Trustees of
the Company, which may be conducted as often as quarterly, the Sub-Advisor shall
place all orders for the purchase and sale of securities for the Funds with
brokers or dealers selected by the Sub-Advisor, which may include brokers or
dealers affiliated with the Sub-Advisor. All transactions with any affiliated
person of the Company, or where any such affiliated person acts as broker or
agent in connection with any such transaction, shall be accomplished in
compliance with the Investment Company Act, the Advisers Act, the Securities
Exchange Act of 1934, as amended, the rules adopted thereunder and the
procedures adopted thereunder by the Company. Purchase or sell orders for the
Funds may be aggregated with contemporaneous purchase or sell orders of other
clients of the Sub-Advisor; provided that (i) no advisory account will be
favored by the Sub-Advisor over any other account; (ii) each client of the
Sub-Advisor who participates in such an aggregated order will participate at the
average share price, with all transaction costs shared on a pro rata basis;
(iii) only advisory clients' transactions will be aggregated for such an
aggregated order; and (iv) the accounts of clients whose orders are aggregated
will be segregated on the Sub-Advisor's books and records so as to identify the
particular client who has the beneficial interest therein. The Sub-Advisor shall
use its best efforts to obtain execution of Fund transactions at prices which
are advantageous to such Fund and at commission rates that are reasonable in
relation to the benefits received. However, the Sub-Advisor may select brokers
or dealers on the basis that they provide brokerage, research, or other services
or products to a Fund and/or other accounts serviced by the Sub-Advisor. The
Sub-Advisor may pay a broker or dealer an amount of commission for effecting a
securities transaction in excess of the amount of commission or dealer spread
another broker or dealer would have charged for effecting that
 
                                       B-2
<PAGE>   48
 
transaction if the Sub-Advisor determines in good faith that such amount of
commission was reasonable in relation to the value of the brokerage and research
products and/or services provided by such broker or dealer. This determination,
with respect to brokerage and research services or products, may be viewed in
terms of either that particular transaction or the overall responsibilities
which the Sub-Advisor and its affiliates have with respect to a Fund and to
accounts over which they exercise investment discretion, and not all such
services or products may be used by the Sub-Advisor in managing a Fund; provided
that with respect to such transaction and such determination the affiliates of
the Sub-Advisor shall have the same responsibilities to the Funds as the
Sub-Advisor has under this Agreement.
 
 4. Information Provided to the Company
 
     The Sub-Advisor will keep the Company and Composite informed of
developments materially affecting each Fund of which the Sub-Advisor becomes
aware and will, on its own initiative, furnish the Company and Composite on at
least a quarterly basis with whatever information the Sub-Advisor believes is
appropriate for this purpose.
 
 5. Standard of Care
 
     The Sub-Advisor shall exercise its best judgment in rendering the services
described in paragraphs 2 and 3 above. Except as may otherwise be provided by
federal securities laws, the Sub-Advisor shall not be liable for any error of
judgment or mistake of law or for any loss suffered by a Fund in connection with
the matters to which this Agreement relates, except a loss resulting from
willful misfeasance, bad faith or gross negligence on its part in the
performance of its duties or from reckless disregard by it of its obligations
and duties under this Agreement (the conduct excepted in this sentence shall be
referred to as "Disqualifying Conduct").
 
 6. Compensation
 
     In consideration of the services rendered pursuant to this Agreement,
Composite will pay the Sub-Advisor on the first business day of each month a fee
for the previous month at the annual rate of .55% of each Fund's average daily
net assets including cash and cash equivalents up to $100 million and .50% of
each Fund's average daily net assets in excess of $100 million. The fee for the
first month shall be prorated based upon the number of days the account was open
in that month. Upon any termination of this Agreement before the end of a month,
the fee for such part of that month shall be prorated according to the
proportion that such period bears to the full monthly period and shall be
payable upon the date of termination of this Agreement. For the purpose of
determining fees payable to the Sub-Advisor, the value of each Fund's net assets
shall be computed at the times and in the manner specified in each Fund's
Prospectus or Statement of Additional Information relating to the Fund as from
time to time in effect.
 
 7. Expenses
 
     The Sub-Advisor will bear all of its expenses in performing its services
under this Agreement, which expenses shall not include brokerage fees or
commissions in connection with the effectuation of securities transactions. The
Sub-Advisor shall bear no expenses of the Company, a Fund or Composite. The
Company will bear certain other expenses to be incurred in its operation,
including but not limited to: organizational expenses, taxes, interest,
brokerage fees and commissions, if any; fees of trustees of the Company who are
not officers, directors or employees of the Sub-Advisor, Composite, the Funds'
sub-administrator or any of their affiliates; Securities and Exchange Commission
fees and state Blue Sky qualification fees; all fees, including out-of-pocket
expenses of custodians, transfer and dividend disbursing agents and the
Company's sub-administrator and transaction charges of custodians; insurance
premiums; outside auditing and legal expenses; costs of maintenance of the
Company's existence; costs attributable to investor services, including without
limitation, telephone and personnel expenses; costs of preparing and printing
prospectuses and statements of additional information for regulatory purposes
and for distribution to existing shareholders; costs of shareholders' reports
and meetings of the shareholders of a Fund and of the officers or Board of
Trustees of the Company; and any extraordinary expenses. In addition, each Fund
pays a distribution fee pursuant to the terms of a Distribution Plan adopted
under Rule 12b-1 of the Investment Company Act. Any reimbursement of advisory
fees required by any expense limitation provision shall be the sole
responsibility of Composite.
 
                                       B-3
<PAGE>   49
 
 8. Services to Other Companies or Accounts
 
     Composite understands that the Sub-Advisor now acts, will continue to act
and may act in the future as investment adviser to fiduciary and other managed
accounts and as investment adviser to one or more other investment companies or
series of investment companies, and Composite has no objection to the
Sub-Advisor so acting, provided that whenever a Fund and one or more other
accounts or investment companies advised by the Sub-Advisor have available funds
for investment, investments suitable and appropriate for each will be allocated
in a manner reasonably equitable to each entity. Similarly, opportunities to
sell securities will be allocated in such an equitable manner. Composite
recognizes that in some cases this procedure may limit the size of the position
that may be acquired or disposed of for the Fund. In addition, Composite
understands that the persons employed by the Sub-Advisor to assist in the
performance of the Sub-Advisor's duties hereunder will not devote their full
time to such service and nothing contained herein shall be deemed to limit or
restrict the right of the Sub-Advisor or any affiliate of the Sub-Advisor to
engage in and devote time and attention to other business or to render services
of whatever kind or nature. Composite recognizes and agrees that the Sub-Advisor
may provide advice to other clients which may differ from or be identical to
advice given with respect to a Fund.
 
 9. Term of Agreement
 
     This Agreement shall become effective as of the date first written above,
shall continue for a one-year term and shall continue thereafter, with respect
to a Fund, so long as such continuance is specifically approved at least
annually by (i) the Board of Trustees of the Company or (ii) a vote of a
"majority" (as defined in the Investment Company Act) of the Fund's outstanding
voting securities, provided that in either event the continuance is also
approved by a majority of the Board of Trustees who are not "interested persons"
(as defined in the Investment Company Act) of any party to this Agreement, by
vote cast in person at a meeting called for the purpose of voting on such
approval. This Agreement is terminable, with respect to a Fund, without penalty,
on 30 days' written notice by Composite, the Board of Trustees of the Company or
by vote of holders of a majority of the Fund's shares or, upon 60 days' written
notice, by the Sub-Advisor and will terminate automatically upon any termination
of the advisory agreement between the Company and Composite. In addition, this
Agreement will also terminate automatically in the event of its assignment (as
defined in the Investment Company Act). The Sub-Advisor agrees to notify
Composite and the Company of any circumstances that to its best knowledge and
belief might result in this Agreement being deemed to be assigned.
 
10. Representations of the Company and the Sub-Advisor
 
     Composite represents that (i) a copy of the Company's Master Trust
Agreement, dated February 22, 1989, together with all amendments thereto, is on
file in the office of the Secretary of The Commonwealth of Massachusetts, (ii)
the appointment of the Sub-Advisor has been duly authorized, (iii) it has acted
and will continue to act in conformity with the Investment Company Act and other
applicable laws, and (iv) it is authorized to perform the services herein.
 
     The Sub-Advisor represents that it is authorized to perform the services
described herein.
 
11. Indemnification
 
     Composite shall indemnify and hold harmless the Sub-Advisor from and
against any and all claims, losses, liabilities or damages (including reasonable
attorneys' fees and other related expenses), howsoever arising from or in
connection with this Agreement or the performance by the Sub-Advisor of its
duties hereunder; provided, however, that nothing contained herein shall require
that the Sub-Advisor be indemnified for Disqualifying Conduct.
 
                                       B-4
<PAGE>   50
 
12. Amendment of this Agreement
 
     No provision of this Agreement may be changed, waived, discharged or
terminated orally, but only by an instrument in writing signed by the party
against which enforcement of the change, waiver, discharge or termination is
sought.
 
13. Entire Agreement
 
     This Agreement constitutes the entire agreement between the parties hereto.
 
14. Governing Law
 
     This Agreement shall be governed in accordance with the laws of the
Commonwealth of Massachusetts.
 
16. Miscellaneous
 
     (a) Unless Composite or the Company gives the Sub-Advisor written
instructions to the contrary, the Sub-Advisor shall vote all proxies solicited
by or with respect to the issuers of securities in which assets of a Fund may be
invested. The Sub-Advisor shall use its best good faith judgment to vote such
proxies in a manner which best serves the interests of such Fund's shareholders.
 
     (b) Composite shall provide the Sub-Advisor with a copy of each Fund's
agreement (the "Custody Agreement") with the Custodian (the "Custodian")
designated to hold the assets of the Fund and any modification thereto in
advance. Each Fund's assets shall be maintained in the custody of the Custodian
identified in, and in accordance with the terms and conditions of, the Custody
Agreement. The Sub-Advisor shall have no liability for the acts or omissions of
the Custodian. Any assets added to a Fund shall be delivered directly to the
Custodian.
 
     (c) Composite agrees and acknowledges that the Sub-Advisor is the sole
owner of the name and mark "Janus" and that all use of any designation comprised
in whole or part of Janus (a "Janus Mark") under this Agreement shall inure to
the benefit of the Sub-Advisor. The use by the Company on its own behalf or on
behalf of a Fund of any Janus Mark in any advertisement or sales literature or
other materials promoting a Fund shall be with the consent of the Sub-Advisor.
The Company and Composite shall not, without the consent of the Sub-Advisor,
make representations regarding the Sub-Advisor intended to be disseminated to
the investing public in any disclosure document, advertisement or sales
literature or other materials promoting a Fund. Such consent shall not be
required for any documents or other materials intended for broker-dealer use
only, for use by the Company's trustees and for internal use by the Company and
Composite. Consent by the Sub-Advisor to such use of any Janus Mark and any such
representation shall not be unreasonably withheld and shall be deemed to be
given if no written objection is received by the Company, such Fund or Composite
within 3 business days after the request is made by the Company, a Fund or
Composite for such use of any Janus Mark or any such representation. Upon
termination of this Agreement for any reason, the Company and Composite shall
cease all use of any Janus Mark(s) as soon as reasonably practicable.
 
     (d) The Sub-Advisor agrees and acknowledges that the Company is the sole
owner of the name and mark "Sierra Trust Funds" and Composite is the sole owner
of the name and mark "Composite Research & Management Co." and that any and all
use of any designation comprised in whole or in part of "Sierra Trust Funds" (a
"Sierra Mark") or "Composite Research & Management Co." (a "Composite Mark")
under this Agreement shall inure to the benefit of the Company or Composite,
respectively. The use by the Sub-Advisor on its own behalf of any Sierra Mark or
Composite Mark in any advertisement or sales literature or other materials
promoting the Sub-Advisor shall be with the consent of the Company or Composite,
respectively. The Sub-Advisor shall not, without the consent of the Company or
Composite, as applicable, make representations regarding the Company, a Fund or
Composite in any disclosure document, advertisement or sales literature or other
materials promoting the Sub-Advisor. Consent by the Company and Composite to
such use of any Sierra Mark or Composite Mark and any such representations shall
not be unreasonably withheld and shall be deemed to be given if no written
objection is received by the Sub-Advisor within 5 business days after the
request by the Sub-Advisor is made for such use of any Sierra Mark or Composite
 
                                       B-5
<PAGE>   51
 
Mark or any such representations. Upon termination of this Agreement for any
reason, the Sub-Advisor shall cease any and all use of any Sierra Mark or
Composite Mark as soon as reasonably practicable.
 
     (e) The Sub-Advisor may perform its services through any employee, officer
or agent of the Sub-Advisor, and the Company and the Fund shall not be entitled
to the advice, recommendation, or judgment of any specific person.
 
     IN WITNESS WHEREOF the parties hereto have caused this Agreement to be duly
executed as of the date first written above.
 
<TABLE>
<S>                                          <C>
ATTEST:                                      COMPOSITE RESEARCH & MANAGEMENT CO.
 
                                             By:
- ----------------------------------------     -------------------------------------------------
Name:                                        Name:
Title:                                       Title:
 
ATTEST:                                      JANUS CAPITAL CORPORATION
 
                                             By:
- ----------------------------------------     -------------------------------------------------
Name:                                        Name:
Title:                                       Title:
</TABLE>
 
                                       B-6
<PAGE>   52
 
                                                                       EXHIBIT C
 
                                    FORM OF
                       INVESTMENT SUB-ADVISORY AGREEMENT
 
                                                                          , 1997
 
Warburg Pincus Asset Management, Inc.
466 Lexington Avenue
New York, New York 10017
 
Dear Sirs:
 
     Composite Research & Management Co. ("Composite"), a corporation organized
under the laws of the state of California, hereby agrees with Warburg Pincus
Asset Management, Inc. (the "Sub-Advisor"), a corporation organized under the
laws of the State of Delaware as follows:
 
 1. Investment Description; Appointment
 
     Sierra Trust Funds (the "Company"), an unincorporated business trust
organized under the laws of The Commonwealth of Massachusetts desires to employ
the capital of the Company's International Growth Fund (the "Fund") by investing
and reinvesting in investments of the kind and in accordance with the
limitations specified in its Master Trust Agreement, as amended, and in its
Prospectus and Statement of Additional Information relating to the Fund as in
effect and which may be amended from time to time, and in such manner and to
such extent as may from time to time be approved by the Board of Trustees of the
Company. Copies of the Fund's Prospectus and Statement of Additional Information
and the Company's Master Trust Agreement, as amended, have been or will be
submitted to the Sub-Advisor. Composite agrees to provide copies of all
amendments to the Fund's Prospectus and Statement of Additional Information and
the Company's Master Trust Agreement to the Sub-Advisor on an on-going basis.
Composite desires to employ and hereby appoints the Sub-Advisor to act as
investment sub-adviser to the Fund. The Sub-Advisor accepts the appointment and
agrees to furnish the services described herein for the compensation set forth
below.
 
 2. Services as Investment Sub-Advisor
 
     (a) Subject to the supervision of the Board of Trustees of the Company and
of Composite, the Fund's investment adviser, the Sub-Advisor will (i) act in
conformity with the Company's Master Trust Agreement, the Investment Company Act
of 1940, as amended (the "1940 Act"), the Investment Advisers Act of 1940 and
the Internal Revenue Code of 1986, as the same may from time to time be amended
(ii) make investment decisions for the Fund in accordance with the Fund's
investment objective(s) and policies as stated in the Fund's Prospectus and
Statement of Additional Information as in effect and, after notice to the
Sub-Advisor, and which may be amended from time to time; (iii) place purchase
and sale orders on behalf of the Fund to effectuate the investment decisions
made; (iv) maintain books and records with respect to the securities
transactions of the Fund and will furnish to the Company's Board of Trustees
such periodic, regular and special reports as the Board may request; (v) treat
confidentially and as proprietary information of the Company, all records and
other information relative to the Company and prior, present or potential
shareholders (other than information publicly available, otherwise legally in
the hands of the Sub-Advisor or pertaining to mutual clients); and (vi) will not
use such records and information for any purpose other than performance of its
responsibilities and duties hereunder, except after prior notification to and
approval in writing by the Company, which approval shall not be unreasonably
withheld and, notwithstanding the foregoing, such records may not be withheld
where the Sub-Advisor may be exposed to civil or criminal contempt proceedings
for failure to comply, when requested to divulge such information by duly
constituted authorities, or when so requested by the Company. In providing those
services, the Sub-Advisor will supervise the Fund's investments and conduct a
continual program of investment, evaluation and, if appropriate, sale and
reinvestment of the Fund's assets. In addition, the Sub-Advisor will furnish the
Fund or Composite with whatever statistical information the Fund or Composite
may reasonably request with respect to the instruments that the Fund may hold or
contemplate purchasing.
 
                                       C-1
<PAGE>   53
 
     (b) Composite agrees, on an ongoing basis, to notify the Sub-Advisor
expressly in writing of each change in the fundamental and nonfundamental
investment policies of the Fund.
 
     (c) Composite agrees to provide the Sub-Advisor with such assistance as may
be reasonably requested by the Sub-Advisor in connection with its activities
pertaining to the Fund under this Agreement, including, without limitation,
information concerning the Fund, its funds available, or to become available,
for investment and generally as to the conditions of the Fund's affairs.
 
     (d) In fulfilling its obligations hereunder, the Sub-Advisor shall be
entitled to rely on and act in accordance with, and Composite agrees to hold the
Sub-Advisor harmless for any act or omission taken in good faith in reliance on,
information and instructions, which may be standing instructions, provided to
the Sub-Advisor by Composite, the Company's administrator, or other agent of
Composite designated by Composite. Such information and instructions shall be
conveyed to the Sub-Advisor in a timely manner so as to permit the Sub-Advisor
to take such action as may be required in an orderly fashion. Composite agrees
to provide or cause to be provided to the Sub-Advisor on an ongoing basis, such
information as is reasonably requested by the Sub-Advisor for performance by the
Sub-Advisor of its obligations under this Agreement, and the Sub-Advisor shall
not be in breach of any term of this Agreement or be deemed to have acted
negligently if Composite fails to provide or cause to be provided such
information and the Sub-Advisor relies on the information most recently
furnished to the Sub-Advisor. Composite will promptly provide the Sub-Advisor
with any procedures applicable to the Sub-Advisor adopted from time to time by
the Board of Trustees of the Company and agrees to promptly provide the
Sub-Advisor copies of all amendments thereto.
 
 3. Brokerage
 
     (a) In executing transactions for the Fund and selecting brokers or
dealers, the Sub-Advisor will use its best efforts to seek the best overall
terms available and shall execute or direct the execution of all such
transactions in a manner permitted by law and in a manner that is in the best
interest of the Fund and its shareholders. In assessing the best overall terms
available for any Fund transaction, the Sub-Advisor will consider all factors it
deems relevant including, but not limited to, breadth of the market in the
security, the price of the security, the financial condition and execution
capability of the broker or dealer and the reasonableness of any commission for
the specific transaction and on a continuing basis. Pursuant to its investment
determinations for the Fund, in placing orders with brokers and dealers, the
Sub-Advisor will attempt to obtain the best net price and the most favorable
execution of its orders. Consistent with this obligation, when the execution and
price offered by two or more brokers or dealers are comparable, the Sub-Advisor
may, in its discretion, purchase and sell portfolio securities to and from
brokers and dealers who provide the Company with research advice and other
services.
 
     (b) In selecting brokers or dealers to execute a particular transaction,
and in evaluating the best price and execution available, the Sub-Advisor is
authorized to consider the brokerage and research services (within the meaning
of Section 28(e) of the 1934 Act) provided to the Sub-Advisor or any affiliated
person of the Sub-Advisor. Subject to the requirements of Section 17(e) of the
1940 Act, the Sub-Advisor is specifically authorized to select an affiliated
person of the Sub-Advisor to execute brokerage, but in no event principal,
transactions for the Fund. On occasions when the Sub-Advisor deems the purchase
or sale of a security to be in the best interest of the Fund as well as other
clients, the Sub-Advisor, to the extent permitted by applicable laws and
regulations, may, but shall be under no obligation to, aggregate the securities
to be purchased or sold in order to obtain the most favorable execution and/or
lower brokerage commissions, if any, and efficient execution. In such event,
allocation of securities so sold or purchased, as well as the expenses incurred
in the transaction, will be made by the Sub-Advisor in the manner the
Sub-Advisor considers to be the most equitable and consistent with its fiduciary
obligation over time to the Fund and to such other clients. Furthermore,
Composite recognizes that the Sub-Advisor may give advice, and take action, with
respect to its other clients that may differ from the advice given, or the time
or nature of action taken, with respect to the Fund.
 
                                       C-2
<PAGE>   54
 
 4. Information Provided to the Company
 
     The Sub-Advisor will keep the Company and Composite informed of
developments materially affecting the Fund, and will on its own initiative,
furnish the Company and Composite on at least a quarterly basis with whatever
information the Sub-Advisor believes is appropriate for this purpose.
 
 5. Standard of Care
 
     The Sub-Advisor shall exercise its best judgment in rendering its services
under this agreement. Except as may otherwise be provided by federal or state
securities laws and in Section 11 hereof, the Sub-Advisor shall not be liable
for any error of judgment or mistake of law or for any loss suffered by the Fund
in connection with the matters to which this Agreement relates, except a loss
resulting from willful misfeasance, bad faith or gross negligence on its part in
the performance of its duties or from reckless disregard by it of its
obligations and duties under this Agreement.
 
 6. Compensation
 
     In consideration of the services rendered pursuant to this Agreement,
Composite will pay the Sub-Advisor on the first business day of each month a fee
for the previous month at the annual rate of 0.50% of the Fund's average daily
net assets. The Sub-Advisor shall have no right to obtain compensation directly
from the Fund or the Company for services provided hereunder and agrees to look
solely to Composite for payment of fees due. Upon any termination of this
Agreement before the end of a month, the fee for such month shall be prorated
according to the proportion that the period prior to such termination bears to
the full monthly period and shall be payable upon the date of termination of
this Agreement. For the purposes of determining fees payable to the Sub-Advisor,
the value of the net assets of the Fund shall be computed at the times and in
the manner specified in the Prospectus or Statement of Additional Information
relating to the Fund as from time to time in effect.
 
     Notwithstanding the foregoing, in the event that any reduction in the fees
paid to Composite under the Advisory Agreement shall be required as a result of
any statutory or regulatory limitation on investment company expenses, there
shall be a proportionate reduction in the fee payable to the Sub-Advisor
hereunder; provided that the Sub-Advisor will never be required to pay more than
the amount of fees it receives.
 
 7. Expenses
 
     The Sub-Advisor will bear all expenses in connection with the performance
of its services under this Agreement, which expenses shall not include brokerage
fees or commissions in connection with the effectuation of securities
transactions. The Company will bear certain other expenses to be incurred in its
operation, including but not limited to: organizational expenses, taxes,
interest, brokerage fees and commissions, if any; fees of trustees of the
Company who are not officers, directors or employees of the Sub-Advisor,
Composite, the Fund's sub-administrator or any of their affiliates; Securities
and Exchange Commission fees and state Blue Sky qualification fees;
out-of-pocket expenses of custodians, transfer and dividend disbursing agents
and the Company's sub-administrator and transaction charges of custodians;
insurance premiums; outside auditing and legal expenses; costs of maintenance of
the Company's existence; costs attributable to investor services, including
without limitation, telephone and personnel expenses; costs of preparing and
printing prospectuses and statements of additional information for regulatory
purposes and for distribution to existing shareholders; costs of shareholders'
reports and meetings of the shareholders of the Fund and of the officers or
Board of Trustees of the Company; and any extraordinary expenses. In addition,
the Fund pays a distribution fee pursuant to the terms of a Distribution Plan
adopted under Rule 12b-1 of the 1940 Act.
 
 8. Services to Other Companies or Accounts
 
     Composite understands that the Sub-Advisor now acts, will continue to act
and may act in the future as investment adviser to fiduciary and other managed
accounts and as investment adviser to one or more other investment companies or
series of investment companies, and Composite one has no objection to
Sub-Advisor so acting, providing that companies whenever the Fund and one or
more other accounts or investment
 
                                       C-3
<PAGE>   55
 
companies advised by the Sub-Advisor have available funds for investment,
investments suitable and appropriate for each will be allocated in accordance
with procedures believed to be equitable over time to each entity. Similarly,
opportunities to sell securities will be allocated in an equitable manner over
time. Composite recognizes that in some cases this procedure may limit the size
of the position that may be acquired or disposed of for the Fund. In addition,
Composite understands that the persons employed by the Sub-Advisor to assist in
the performance of the Sub-Advisor's duties hereunder will not devote their full
time to such service and nothing contained herein shall be deemed to limit or
restrict the right of the Sub-Advisor or any affiliate of the Sub-Advisor to
engage in and devote time and attention to other business or to render services
of whatever kind or nature.
 
 9. Term of Agreement
 
     This Agreement shall become effective as of the date first written above
and shall continue for a one-year term and shall continue thereafter so long as
such continuance is specifically approved at least annually by (i) the Board of
Trustees of the Company or (ii) a vote of a "majority" (as defined in the 1940
Act) of the Fund's outstanding voting securities, provided that in either event
the continuance is also approved by a majority of the Board of Trustees who are
not "interested persons" (as defined in the 1940 Act) of any party to this
Agreement, by vote cast in person at a meeting called for the purpose of voting
on such approval. This Agreement is terminable, without penalty, on 60 days'
written notice, by Composite, the Board of Trustees of the Company or by vote of
holders of a majority of the Fund's shares, or upon 90 days' written notice, by
the Sub-Advisor and, will terminate automatically upon any termination of the
advisory agreement between the Company and Composite. In addition, this
Agreement will also terminate automatically in the event of its assignment (as
defined in the 1940 Act). The Sub-Advisor agrees to notify Composite of any
circumstances that might result in this Agreement being deemed to be assigned.
 
10. Representations of the Company and the Sub-Advisor
 
     Composite represents that (i) a copy of the Company's Master Trust
Agreement, dated February 22, 1989, together with all amendments thereto, is on
file in the office of the Secretary of the Commonwealth of Massachusetts, (ii)
the appointment of the Sub-Advisor has been duly authorized, (iii) it has acted
and will continue to act in conformity with the 1940 Act and other applicable
laws, and (iv) it is authorized to perform the services herein.
 
     The Sub-Advisor represents that it is authorized to perform the services
described herein.
 
11. Indemnifications
 
     (a) Composite shall indemnify the Sub-Advisor and its controlling persons,
officers, directors, employees, agents, legal representatives and persons
controlled by it (collectively, "Sub-Advisor Related Persons") to the fullest
extent permitted by law against any and all loss, damage, judgements, fines,
amounts paid in settlement and reasonable expenses, including attorneys' fees
(collectively "Losses"), incurred by the Sub-Advisor or Sub-Advisor Related
Persons arising from or in connection with this Agreement or the performance by
the Sub-Advisor or Sub-Advisor Related Persons of its or their duties hereunder,
including, without limitation, such Losses arising under any applicable law or
that may be based upon any untrue statement of a material fact contained in the
Company's registration statement, or any amendment thereof or any supplement
thereto, or the omission to state therein a material fact known or which should
have been known and was required to be stated therein or necessary to make the
statements therein not misleading, unless such statement or omission was made in
reliance upon written information furnished to Composite by the Sub-Advisor or a
Sub-Advisor Related Person; except to the extent any such Losses result from
willful misfeasance, bad faith, gross negligence or reckless disregard on the
part of the Sub-Advisor or a Sub-Advisor Related Person in the performance of
any of its duties under, or in connection with, this Agreement.
 
     (b) The Sub-Advisor shall indemnify Composite and its controlling persons,
officers, directors, employees, agents, legal representatives and persons
controlled by it (collectively, "Composite Related Persons") to the fullest
extent permitted by law against any and all Losses incurred by Composite or
Composite Related
 
                                       C-4
<PAGE>   56
 
Persons arising from or in connection with this Agreement or the performance by
Composite or Composite Related Persons of its or their duties hereunder so long
as such Losses arise out of the Sub-Advisor's failure to perform its
responsibilities to Composite, the Fund or the Company hereunder, including,
without limitation, such Losses arising under any applicable law or that may be
based upon any untrue statement of a material fact contained in the Company's
registration statement, or any amendment thereof or any supplement thereto, or
the omission to state therein a material fact known or which should have been
known and was required to be stated therein or necessary to make the statements
therein not misleading, to the extent that such statement or omission was based
on information provided by the Sub-Advisor or a Sub-Advisor Related Person
unless such statement or omission was made in reliance upon written information
furnished to the Sub-Advisor or Sub-Advisor Related Person by Composite or a
Composite Related Person; and except to the extent any such Losses result from
willful misfeasance, bad faith, gross negligence or reckless disregard on the
part of Composite or a Composite Related Person in the performance of any of its
duties under, or in connection with, this Agreement.
 
     (c) The indemnifications provided in this Section 11 shall survive the
termination of this Agreement.
 
12. Amendment of this Agreement
 
     No provision of this Agreement may be changed, waived, discharged or
terminated orally, but only by an instrument in writing signed by the party
against which enforcement of the change, waiver, discharge or termination is
sought.
 
13. Use Of Names
 
     (a) It is understood that the name "Warburg Pincus Asset Management, Inc."
or any derivative thereof or logo associated with that name is the valuable
property of the Sub-Advisor and its affiliates and that the Company and/or the
Fund have the right to use such name (or derivative or logo) in offering
materials of the Company and/or Fund only with the prior written approval of the
Sub-Advisor and for so long as the Sub-Advisor is an investment sub-adviser to
the Company and/or the Fund; provided that the Company and the Fund may use such
name (or derivative or logo) without such prior written approval in offering
materials of the Company to the extent that (i) such materials simply list the
Sub-Advisor as the Sub-Advisor to the Fund as part of a listing of the
investment sub-advisers to the series or portfolios of the Company with a brief
description of the Sub-Advisor's experience and duties hereunder; (ii) such
materials include such name (or derivative or logo) and any related information
that has been previously approved by the Sub-Advisor or that is required to be
disclosed by applicable law or regulation, such as information disclosed in the
Company's registration statement; or (iii) such materials are intended for
broker-dealer use only, for use by the Company's Trustees, or for internal use
by the Company and Composite. Such prior written approval of the Sub-Advisor
shall not be unreasonably withheld and shall be deemed to be given if no written
objection is received by the Company, the Fund or Composite within three
business days after the request is made by the Company, the Fund or Composite
for such use. Upon termination of this Agreement, the Company and the Fund shall
forthwith cease to use such name (or derivative or logo) as soon as reasonably
practicable.
 
     (b) It is understood that the names "Sierra Trust Funds," and "Composite
Research & Management Co." or any derivatives thereof or logos associated with
such names is the valuable property of the Company and/or Composite and their
affiliates and that the Sub-Advisor or its affiliates have the right to use such
names (or derivatives or logos) in marketing materials of the Sub-Advisor or its
affiliates only with the prior written approval of Composite or the Company, as
applicable, and for so long as the Sub-Advisor is an investment sub-adviser to
the Company and/or the Fund; provided that the Sub-Advisor or its affiliates may
use such names (or derivatives or logos) without such prior written approval in
marketing materials of the Sub-Advisor or its affiliates to the extent that (i)
such materials simply list the Company or the Fund as part of a listing of the
investment companies advised by the Sub-Advisor or its affiliates with a brief
description of the Company or the Fund; (ii) such materials include such names
(or derivatives or logos) and any related information that has been previously
approved by the Company or Composite, as applicable, or that is required to be
disclosed by applicable law or regulation, such as information disclosed in the
Form ADV or Form BD of the Sub-Advisor or its affiliates; or (iii) such
materials are intended for broker-dealer use only or for internal
 
                                       C-5
<PAGE>   57
 
use by the Sub-Advisor. Such prior written approval of Composite or the Company,
as applicable, shall not be unreasonably withheld and shall be deemed to be
given if no written objection is received by the Sub-Advisor within three
business days after the request is made by the Sub-Advisor for such use. Upon
termination of this Agreement, the Sub-Advisor and its affiliates shall
forthwith cease to use such names (or derivatives or logos) as soon as
reasonably practicable.
 
14. Entire Agreement
 
     This Agreement constitutes the entire agreement between the parties hereto.
 
15. Governing Law
 
     This Agreement shall be governed in accordance with the laws of the
Commonwealth of Massachusetts.
 
     If the foregoing accurately sets forth our agreement, kindly indicate your
acceptance hereof by signing and returning the enclosed copy hereof.
 
                                          Very truly yours,
 
                                          COMPOSITE RESEARCH &
                                          MANAGEMENT CO.
 
                                          By
                                          --------------------------------------
                                            Name:
                                            Title:
 
Accepted as of the date
first written above:
 
WARBURG PINCUS ASSET MANAGEMENT, INC.
 
By
- ----------------------------------------------------
   Name:
   Title:
 
                                       C-6
<PAGE>   58
 
                                                                       EXHIBIT D
 
                   FORM OF INVESTMENT SUB-ADVISORY AGREEMENT
                                                 Effective as of
 
Van Kampen American Capital Management Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois 60181
 
Ladies and Gentlemen:
 
     Composite Research and Management Co. ("Composite"), a corporation
organized under the laws of the state of Washington, hereby agrees with Van
Kampen American Capital Management Inc. (the "Sub-Advisor"), a corporation
organized under the laws of the state of Delaware, as follows:
 
 1. Investment Description; Appointment
 
     Composite desires to employ the capital of the investment funds of Sierra
Trust Funds (the "Company") listed on Annex A hereto (individually, a "Fund" and
collectively, the "Funds") by investing and reinvesting in investments of the
kind and in accordance with the limitations specified in the Company's Master
Trust Agreement, as amended, and in the Prospectus and Statement of Additional
Information relating to the Funds as in effect and which may be amended from
time to time, and in such manner and to such extent as may from time to time be
approved by the Board of Trustees of the Company. Copies of the Funds'
Prospectus and Statement of Additional Information and the Company's Master
Trust Agreement, as amended, have been or will be submitted to the Sub-Advisor.
Composite agrees to provide copies of all amendments to the Funds' Prospectus
and Statement of Additional Information and the Company's Master Trust Agreement
to the Sub-Advisor on an on-going basis. Composite desires to employ and hereby
appoints the Sub-Advisor to act as investment sub-advisor to the Funds. The
Sub-Advisor accepts the appointment and agrees to furnish the services described
herein for the compensation set forth below.
 
 2. Services as Investment Sub-Advisor
 
     Subject to the supervision of the Board of Trustees of the Company and of
Composite, the Funds' investment adviser, the Sub-Advisor will (a) act in
conformity with the Company's Master Trust Agreement, the Investment Company Act
of 1940, as amended (the "1940 Act"), the Investment Advisers Act of 1940 and
the Internal Revenue Code of 1986, as the same may from time to time be amended;
(b) make investment decisions for the Funds in accordance with the Funds'
investment objectives and policies as stated in the Funds' Prospectus and
Statement of Additional Information as in effect and, after notice to the Sub-
Advisor, and which may be amended from time to time; (c) place purchase and sale
orders on behalf of the Funds to effectuate the investment decisions made; (d)
maintain books and records with respect to the securities transactions of the
Funds and will furnish to the Company's Board of Trustees such periodic, regular
and special reports as the Board may request; and (e) treat confidentially and
as proprietary information of the Company, all records and other information
relative to the Company and prior, present or potential shareholders; and will
not use such records and information for any purpose other than performance of
its responsibilities and duties hereunder, except after prior notification to
and approval in writing by the Company, which approval shall not be unreasonably
withheld and such records may not be withheld where the Sub-Advisor may be
exposed to civil or criminal contempt proceedings for failure to comply, when
requested to divulge such information by duly constituted authorities, or when
so requested by the Company. In providing those services, the Sub-Advisor will
supervise the Funds' investments and conduct a continual program of investment,
evaluation and, if appropriate, sale and reinvestment of the Funds' assets. In
addition, the Sub-Advisor will furnish the Funds or Composite with whatever
statistical information the Funds or Composite may reasonably request with
respect to the instruments that the Funds may hold or contemplate purchasing.
 
                                       D-1
<PAGE>   59
 
 3. Brokerage
 
     In executing transactions for the Funds and selecting brokers or dealers,
the Sub-Advisor will use its best efforts to seek the best overall terms
available and shall execute or direct the execution of all such transactions in
a manner permitted by law and in a manner that is in the best interest of the
Funds and their shareholders. In assessing the best overall terms available for
any Funds transactions, the Sub-Advisor will consider all factors it deems
relevant including, but not limited to, breadth of the market in the security,
the price of the security, the financial condition and execution capability of
the broker or dealer and the reasonableness of any commission for the specific
transaction and on a continuing basis. Pursuant to its investment determinations
for the Funds, in placing orders with brokers and dealers, the Sub-Advisor will
attempt to obtain the best net price and the most favorable execution of its
orders. Consistent with this obligation, when the execution and price offered by
two or more brokers or dealers are comparable, the Sub-Advisor may, in its
discretion, purchase and sell portfolio securities to and from brokers and
dealers who provide the Company with research advice and other services.
 
 4. Information Provided to the Company
 
     The Sub-Advisor will keep the Company and Composite informed of
developments materially affecting the Funds, and will on its own initiative,
furnish the Company and Composite on at least a quarterly basis with whatever
information the Sub-Advisor believes is appropriate for this purpose.
 
 5. Standard of Care
 
     The Sub-Advisor shall exercise its best judgment in rendering the services
described in paragraphs 2 and 3 above. The Sub-Advisor shall not be liable for
any error of judgment or mistake of law or for any loss suffered by the Funds in
connection with the matters to which this Agreement relates, except (a) a loss
resulting from a breach of fiduciary duty with respect to the receipt of
compensation for services (in which case any award of damages shall be limited
to the period and the amount set forth in Section 36(b)(3) of the 1940 Act, or
(b) a loss resulting from willful misfeasance, bad faith or gross negligence on
its part in the performance of its duties or from reckless disregard by it of
its obligations and duties under this Agreement (each such breach, act or
omission described in (a) or (b) shall be referred to as "Disqualifying
Conduct").
 
 6. Compensation
 
     In consideration of the services rendered pursuant to this Agreement,
Composite will pay the Sub-Advisor on the first business day of each month a fee
for the previous month the fees detailed in Annex A attached to this Agreement.
The Sub-Advisor shall have no right to obtain compensation directly from the
Funds or the Company for services provided hereunder and agrees to look solely
to Composite for payment of fees due. Upon any termination of this Agreement
before the end of a month, the fee for such part of that month shall be prorated
according to the proportion that such period bears to the full monthly period
and shall be payable upon the date of termination of this Agreement. For the
purpose of determining fees payable to the Sub-Advisor, the value of the Funds'
net assets shall be computed at the times and in the manner specified in the
Funds' Prospectus or Statement of Additional Information relating to the Funds
as from time to time in effect.
 
 7. Expenses
 
     The Sub-Advisor will bear all expenses in connection with the performance
of its services under this Agreement, which expenses shall not include brokerage
fees or commissions in connection with the effectuation of securities
transactions. The Company will bear certain other expenses to be incurred in its
operation, including but not limited to: organizational expenses, taxes,
interest, brokerage fees and commissions, if any; fees of trustees of the
Company who are not officers, directors or employees of the Sub-Advisor,
Composite, the Funds' sub-administrator or any of their affiliates; Securities
and Exchange Commission fees and state Blue Sky qualification fees;
out-of-pocket expenses of custodians, transfer and dividend disbursing agents
and the Company's sub-administrator and transaction charges of custodians;
insurance premiums;
 
                                       D-2
<PAGE>   60
 
outside auditing and legal expenses; costs of maintenance of the Company's
existence; costs attributable to investor services, including without
limitation, telephone and personnel expenses; costs of preparing and printing
prospectuses and statements of additional information for regulatory purposes
and for distribution to existing shareholders; costs of shareholders' reports
and meetings of the shareholders of the Funds and of the officers or Board of
Trustees of the Company; and any extraordinary expenses. In addition, the Funds
pay a distribution fee pursuant to the terms of a Distribution Plan adopted
under Rule 12b-1 of the 1940 Act.
 
 8. Services to Other Companies or Accounts
 
     Composite understands that the Sub-Advisor now acts, will continue to act
and may act in the future as investment adviser to fiduciary and other managed
accounts and as investment adviser to one or more other investment companies or
series of investment companies, and Composite has no objection to the
Sub-Advisor so acting, provided that whenever the Funds and one or more other
accounts or investment companies advised by the Sub-Advisor have available funds
for investment, investments suitable and appropriate for each will be allocated
in accordance with procedures believed to be equitable to each entity.
Similarly, opportunities to sell securities will be allocated in an equitable
manner. Composite recognizes that in some cases this procedure may limit the
size of the position that may be acquired or disposed of for the Funds. In
addition, Composite understands that the persons employed by the Sub-Advisor to
assist in the performance of the Sub-Advisor's duties hereunder will not devote
their full time to such service and nothing contained herein shall be deemed to
limit or restrict the right of the Sub-Advisor or any affiliate of the
Sub-Advisor to engage in and devote time and attention to other business or to
render services of whatever kind or nature.
 
 9. Term of Agreement
 
     This Agreement shall become effective as of the date first written above,
shall continue for a period of two years thereafter, and shall continue in
effect for a period of more than two years thereafter only so long as such
continuance is specifically approved at least annually by (i) the Board of
Trustees of the Company or (ii) a vote of a "majority" (as defined in the 1940
Act) of the Funds' outstanding voting securities, provided that in either event
the continuance is also approved by a majority of the Board of Trustees who are
not "interested persons" (as defined in the 1940 Act) of any party to this
Agreement, by vote cast in person at a meeting called for the purpose of voting
on such approval. This Agreement is terminable, without penalty, on 30 days'
written notice, by Composite, the Board of Trustees of the Company or by vote of
holders of a majority of the Funds' shares, or upon 90 days' written notice, by
the Sub-Advisor and, will terminate automatically upon any termination of the
advisory agreement between the Company and Composite. In addition, this
Agreement will also terminate automatically in the event of its assignment (as
defined in said Act). The Sub-Advisor agrees to notify the Company of any
circumstances that might result in this Agreement being deemed to be assigned.
 
10. Representations of Composite and the Sub-Advisor
 
     Composite represents that (i) a copy of the Company's Master Trust
Agreement, dated February 22, 1989, together with all amendments thereto, is on
file in the office of the Secretary of the Commonwealth of Massachusetts, (ii)
the appointment of the Sub-Advisor has been duly authorized, (iii) it has acted
and will continue to act in conformity with the 1940 Act and other applicable
laws, and (iv) it is authorized to perform the services herein.
 
     The Sub-Advisor represents that it is authorized to perform the services
described herein.
 
11. Indemnification
 
     Composite shall indemnify and hold harmless the Sub-Advisor from and
against any and all claims, losses, liabilities or damages (including reasonable
attorneys' fees and other related expenses), howsoever arising from or in
connection with this Agreement or the performance by the Sub-Advisor of its
duties hereunder; provided, however, that nothing contained herein shall require
that the Sub-Advisor be indemnified for Disqualifying Conduct.
 
                                       D-3
<PAGE>   61
 
12. Amendment of this Agreement
 
     No provision of this Agreement may be changed, waived, discharged or
terminated orally, but only by an instrument in writing signed by the party
against which enforcement of the change, waiver, discharge or termination is
sought.
 
13. Entire Agreement
 
     This Agreement constitutes the entire agreement between the parties hereto.
 
14. Governing Law
 
     This Agreement shall be governed in accordance with the laws of the
Commonwealth of Massachusetts.
 
     If the foregoing accurately sets forth our agreement, kindly indicate your
acceptance hereof by signing and returning the enclosed copy hereof.
 
<TABLE>
<S>                                               <C>
                                                  Very truly yours,
 
                                                  COMPOSITE RESEARCH &
                                                  MANAGEMENT CO.



Dated:                                            By
- ---------------------------------------------     --------------------------------------------
                                                  Name:
                                                  Title:
 
Accepted:

VAN KAMPEN AMERICAN CAPITAL
MANAGEMENT INC.


By                                                Dated:
- ---------------------------------------------     --------------------------------------------
   Name:
   Title:
</TABLE>
 
                                       D-4
<PAGE>   62
 
                                                                         ANNEX A
 
     For the services provided and expenses assumed pursuant to the Agreement,
the Sub-Advisor will be paid a monthly fee, absent fee waivers, based upon each
Fund's average daily net assets as follows:
 
<TABLE>
<CAPTION>
                                                                  AMOUNT OF ASSETS ($ MILLIONS)
                                               -------------------------------------------------------------------
                                                                        AFTER
                                                          AFTER 75;     100;      AFTER 125;   AFTER 150;    OVER
                                               FIRST 75    NEXT 25     NEXT 25     NEXT 25      NEXT 850     1000
                                               --------   ---------   ---------   ----------   ----------   ------
<S>                                            <C>        <C>         <C>         <C>          <C>          <C>
California Municipal Fund....................     .20%        .20%        .20%        .20%         .15%      .125%
Florida Insured Municipal Fund...............     .20%       .125%       .125%       .125%        .125%      .125%
California Insured Intermediate Municipal
  Fund.......................................     .20%       .125%       .125%       .125%        .125%      .125%
</TABLE>
 
                                       D-5
<PAGE>   63




































                                  S I E R R A
                                  TRUST FUNDS
                            A Family of Mutual Funds
<PAGE>   64
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                          ----------------------------
                          SIERRA CALIFORNIA MONEY FUND
                          ----------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   

2.   Proposal to approve a new Investment Management      [  ]     [  ]     [   ]
     Agreement between the Trust, on behalf of the
     Fund, and Composite Research & Management Co.

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                               SI4011                     DETACH CARD                          
</TABLE>


 
<PAGE>   65
                          SIERRA CALIFORNIA MONEY FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4012
<PAGE>   66
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                    ----------------------------------------
                    SIERRA SHORT TERM HIGH QUALITY BOND FUND
                    ----------------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   

2.   Proposal to approve a new Investment Management      [  ]     [  ]     [   ]
     Agreement between the Trust, on behalf of the
     Fund, and Composite Research & Management Co.

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                               SI4021                     DETACH CARD
</TABLE>


 
<PAGE>   67
                    SIERRA SHORT TERM HIGH QUALITY BOND FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4022
<PAGE>   68

<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                        --------------------------------
                        SIERRA CALIFORNIA MUNICIPAL FUND
                        --------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   
2.   Proposal to approve a new Investment Management      
     Agreement between the Trust, on behalf of the        [  ]     [  ]     [   ]
     Fund, and Composite Research & Management Co.
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

7.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Van
     Kampen American Capital Management Inc. (contingent
     upon approval of Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

                                          SI4031                     DETACH CARD                                 
</TABLE>


 
<PAGE>   69
                        SIERRA CALIFORNIA MUNICIPAL FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4032
<PAGE>   70

<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                     -------------------------------------
                     SIERRA FLORIDA INSURED MUNICIPAL FUND
                     -------------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   
2.   Proposal to approve a new Investment Management      
     Agreement between the Trust, on behalf of the        [  ]     [  ]     [   ]
     Fund, and Composite Research & Management Co.
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

8.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Van
     Kampen American Capital Management Inc. (contingent
     upon approval of Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

                                          SI4041                     DETACH CARD
</TABLE>


 
<PAGE>   71
                     SIERRA FLORIDA INSURED MUNICIPAL FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4042
<PAGE>   72
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

             -----------------------------------------------------
             SIERRA CALIFORNIA INSURED INTERMEDIATE MUNICIPAL FUND
             -----------------------------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   
2.   Proposal to approve a new Investment Management      
     Agreement between the Trust, on behalf of the        [  ]     [  ]     [   ]
     Fund, and Composite Research & Management Co.
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

9.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Van
     Kampen American Capital Management Inc. (contingent
     upon approval of Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

                                    SI4051                           DETACH CARD
                                           
</TABLE>


 
<PAGE>   73
             SIERRA CALIFORNIA INSURED INTERMEDIATE MUNICIPAL FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4052
<PAGE>   74
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                               ------------------
                               SIERRA GROWTH FUND
                               ------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   
2.   Proposal to approve a new Investment Management                             
     Agreement between the Trust, on behalf of the        [  ]     [  ]     [   ]
     Fund, and Composite Research & Management Co.
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

4.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Janus
     Capital Corporation. (contingent upon approval of
     Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                               SI4061                      DETACH CARD
</TABLE>


 
<PAGE>   75
                               SIERRA GROWTH FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4062
<PAGE>   76
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                          ---------------------------
                          SIERRA EMERGING GROWTH FUND
                          ---------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   
2.   Proposal to approve a new Investment Management                             
     Agreement between the Trust, on behalf of the        [  ]     [  ]     [   ]
     Fund, and Composite Research & Management Co.
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

5.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Janus
     Capital Corporation. (contingent upon approval of
     Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                               SI4071                      DETACH CARD
</TABLE>


 
<PAGE>   77
                          SIERRA EMERGING GROWTH FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4072
<PAGE>   78
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                        --------------------------------
                        SIERRA INTERNATIONAL GROWTH FUND
                        --------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   

2.   Proposal to approve a new Investment Management      [  ]     [  ]     [   ]
     Agreement between the Trust, on behalf of the
     Fund, and Composite Research & Management Co. 
     ("Composite").

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

6.   Proposal to approve a new Investment Sub-Advisory    [  ]     [  ]     [   ]
     Agreement for the Fund between Composite and Warburg
     Pincus Asset Management, Inc. (contingent upon
     approval of Proposal 2)

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                          SI4081                          DETACH CARD
</TABLE>


 
<PAGE>   79
                        SIERRA INTERNATIONAL GROWTH FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4082
<PAGE>   80
<TABLE>
<S> <C>
[X] PLEASE MARK VOTES
    AS IN THIS EXAMPLE

                        --------------------------------
                        SIERRA TARGET MATURITY 2002 FUND
                        --------------------------------

1.   Proposal to elect thirteen Trustees. The nominees for Trustees are:
     
     Arthur H. Bernstein   Anne V. Farrell          FOR ALL               FOR ALL
     Wayne L. Attwood      Jay Rockey               NOMINEES   WITHHOLD   EXCEPT
     William G. Papesh     John W. English
     David E. Anderson     Michael K. Murphy          [  ]       [  ]      [  ]
     Kristianne Blake      Richard C. Yancey
     Daniel L. Pavelich    Alfred E. Osborne, Jr.
     Edmond R. Davis

     NOTE:  If you do not wish your shares voted "For" a particular nominee, mark
     the "For All Except" box and strike a line through the name(s) of the nominee(s).
     Your shares will be voted for the remaining nominee(s).


                                                          FOR    AGAINST   ABSTAIN   

2.   Proposal to approve a new Investment Management      [  ]     [  ]     [   ]
     Agreement between the Trust, on behalf of the
     Fund, and Composite Research & Management Co.

3.   Proposal to approve implementation of a structure    [  ]     [  ]     [   ]
     for the Trust which would permit the Board of
     Trustees to replace or appoint investment sub-
     advisers of the Fund without the necessity of
     seeking shareholder approval.

     To transact such other business as may properly come before the Special 
Meeting or any adjournment thereof.

Please be sure to sign and date this Proxy.


- -------------------------------------------
Date

- -------------------------------------------
Shareholder sign here


- -------------------------------------------
Co-owner sign here

DETACH CARD                           SI4091                         DETACH CARD
</TABLE>


 
<PAGE>   81
                        SIERRA TARGET MATURITY 2002 FUND

                   PROXY FOR SPECIAL MEETING OF SHAREHOLDERS
                               DECEMBER 23, 1997

     THIS PROXY IS SOLICITED BY THE BOARD OF TRUSTEES OF SIERRA TRUST FUNDS

The undersigned hereby appoints Keith B. Pipes and Michael D. Goth, and each of
them separately, proxies with power of substitution to each, and hereby
authorizes them to represent and to vote, as designated on the reverse side, at
the Special Meeting of Shareholders of the Fund indicated above (the "Fund"), a
series of Sierra Trust Funds (the "Trust"), on December 23, 1997 at the office
of Sierra Fund Administration Corporation at 9301 Corbin Avenue, Suite 333,
Northridge, California 91324, at 11:00 a.m. (Pacific Time), and at any
adjournment thereof, all of the shares of the Fund which the undersigned would
be entitled to vote if personally present.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR EACH PROPOSAL.

In their discretion, the proxies are authorized to vote upon such other
business as may properly come before the Meeting. The Trustees recommend a vote
FOR the Proposals.

           TO VOTE BY TELEPHONE, PLEASE CALL TOLL FREE 1-800-848-3374
                     BETWEEN 8:00 A.M. AND 9:00 P.M. (EST).

    TO VOTE BY MAIL, PLEASE DATE AND SIGN ON REVERSE AND RETURN PROMPTLY IN
 THE ENCLOSED ENVELOPE. NO POSTAGE IS NECESSARY IF MAILED IN THE UNITED STATES.

Please sign your name in the space provided to authorize the voting of your
shares as indicated and return promptly. When signing on behalf of a
corporation, partnership, estate, trust or in any other representative capacity
please sign your name and title. For joint accounts, each joint owner must sign.
Your signatures on this proxy should be exactly as your name or names appear on
this proxy.

                                     SI4092


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