HOST MARRIOTT CORP/MD
424B3, 1997-06-04
EATING PLACES
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<PAGE>
 
PROSPECTUS                                           PURSUANT TO RULE 424(b)(3)
                                                     REGISTRATION NO. 333-19923

                        11,000,000 PREFERRED SECURITIES
                         HOST MARRIOTT FINANCIAL TRUST
           6 3/4% CONVERTIBLE QUARTERLY INCOME PREFERRED SECURITIES
                      (CONVERTIBLE QUIPSSM* SECURITIES)
             (LIQUIDATION PREFERENCE $50 PER PREFERRED SECURITY)
FULLY AND UNCONDITIONALLY GUARANTEED BY, AND CONVERTIBLE INTO COMMON STOCK OF,
                           HOST MARRIOTT CORPORATION
 
                                --------------
 
  This Prospectus relates to the resale of 6 3/4% Convertible Quarterly Income
Preferred Securities (the "Preferred Securities") which represent preferred
undivided beneficial interests in the assets of Host Marriott Financial Trust,
a statutory business trust created under the laws of the State of Delaware
(the "Issuer"), and the shares of common stock, par value $1.00 per share (the
"Host Marriott Common Stock"), of Host Marriott Corporation, a Delaware
corporation ("Host Marriott" or the "Company"), issuable upon conversion of
the Preferred Securities. The Preferred Securities were issued and sold (the
"Original Offering") on December 2, 1996 (the "Original Offering Date") to
Goldman, Sachs & Co., Donaldson, Lufkin & Jenrette Securities Corporation, BT
Securities Corporation and Montgomery Securities ("the Initial Purchasers")
and were simultaneously sold by the Initial Purchasers in transactions exempt
from the registration requirements of the Securities Act of 1933, as amended
(the "Securities Act"), in the United States to persons reasonably believed by
the Purchasers to be qualified institutional buyers as defined in Rule 144A
under the Securities Act, and outside the United States to non-U.S. persons in
offshore transactions in reliance on Regulation S under the Securities Act.
All of the beneficial interests in the assets of the Issuer represented by
common securities of the Issuer (the "Common Securities" and, together with
the Preferred Securities, the "Trust Securities") are owned by Host Marriott
Corporation. The Issuer exists for the sole purpose of issuing the Preferred
Securities and the Common Securities and investing the proceeds from the
issuance thereof in 6 3/4% Convertible Subordinated Debentures due December 2,
2026 (the "Debentures") to be issued by Host Marriott. The Preferred
Securities have a preference under certain circumstances with respect to cash
distributions and amounts payable on liquidation, redemption or otherwise over
the Common Securities. See "Description of the Preferred Securities--
Subordination of Common Securities."
 
  The Preferred Securities and Host Marriott Common Stock issuable upon
conversion of the Preferred Securities (collectively the "Offered Securities")
may be offered and sold from time to time by the holders named herein or by
their transferees, pledgees, donees or their successors (collectively, the
"Selling Holders") pursuant to this Prospectus. The Offered Securities may be
sold by the Selling Holders from time to time directly to purchasers or
through agents, underwriters or dealers. See "Selling Holders" and "Plan of
Distribution." If required, the names of any such agents or underwriters
involved in the sale of the Offered Securities and the applicable agent's
commission, dealer's purchase price or underwriter's discount, if any, will be
set forth in an accompanying supplement to this Prospectus (the "Prospectus
Supplement"). The Selling Holders will receive all of the net proceeds from
the sale of the Offered Securities and will pay all underwriting discounts,
selling commissions and transfer taxes, if any, applicable to any such sale.
Host Marriott is responsible for payment of all other expenses incident to the
registration of the Offered Securities. The Selling Holders and any broker-
dealers, agents or underwriters that participate in the distribution of the
Offered Securities may be deemed to be "underwriters" within the meaning of
the Securities Act, and any commission received by them and any profit on the
resale of the Offered Securities purchased by them may be deemed to be
underwriting commissions or discounts under the Securities Act. See "Plan of
Distribution" for a description of indemnification arrangements.
 
  Each Preferred Security is convertible in the manner described herein at the
option of the holder, at any time after issuance but prior to the date
selected by Host Marriott not less than 30 days nor more than 60 days after
the date on which Host Marriott issues a press release announcing its
intention to terminate the conversion rights of the holders, but in no event
prior to December 2, 1999 (hereinafter such date referred to as the
"Conversion Expiration Date"), into shares of common stock, $1.00 par value
per share, of Host Marriott Common Stock at the rate of 2.6876 shares of Host
Marriott Common Stock for each Preferred Security (equivalent to a conversion
price of $18.604 per share of Host Marriott Common Stock), subject to
adjustment in certain circumstances. See "Description of the Preferred
Securities--Conversion Rights" and "Description of Host Marriott Capital
Stock." The last reported sale price of Host Marriott Common Stock, which is
listed under the symbol "HMT" on the New York Stock Exchange, on May 16, 1997
was $17 5/8 per share.
 
  Holders of the Preferred Securities are entitled to receive preferential
cumulative cash distributions from the Issuer at an annual rate of 6 3/4% of
the liquidation preference of $50 per Preferred Security accruing from the
date of original issuance and payable quarterly in arrears on March 1, June 1,
September 1 and December 1 of each year, commencing March 1, 1997. The
distribution rate and the distribution and other payment dates for the
Preferred Securities correspond to the interest rate and interest and other
payment dates on the Debentures, which is and will be the sole asset of the
Issuer. See "Description of the Preferred Securities, "Description of the
Debentures" and "Relationship Among the Preferred Securities, the Debentures
and the Guarantee." The payment of distributions out of moneys held by the
Trust and payments on liquidation of the Trust or the redemption of Preferred
Securities, as described below, are guaranteed by Host Marriott (the
"Guarantee") to the extent the Trust has funds available therefor as described
under "Description of the Guarantee". The Guarantee, when taken together with
its obligations under the Indenture (as defined herein) pursuant to which the
Debentures were issued, the Debentures and its obligations under the Trust
Agreement (as defined herein), including its obligations under the Indenture
to pay costs, expenses, debts and liabilities of the Issuer (other than with
respect to the Trust Securities), provide a full and unconditional guarantee
of amounts due on the Preferred Securities. Host Marriott's obligations under
the Guarantee rank (i) subordinate and junior to all other liabilities of Host
Marriott except any liabilities that may be pari passu by their terms, (ii)
pari passu with the most senior preferred stock issued from time to time by
Host Marriott and with any guarantee now or hereafter entered into by Host
Marriott in respect of any preferred or preference stock or any preferred
securities of any affiliate of Host Marriott and (iii) senior to Host Marriott
Common Stock. See "Description of the Guarantee".The distribution rate and the
distribution and other payment dates for the Preferred Securities correspond
to the interest rate and interest and other payment dates in the Debentures,
which are the sole assets of the Issuer. As a result, if principal or interest
is not paid on the Debentures, no amounts will be paid on the Preferred
Securities.
 
                                                          (Continued on page 2)
 
                                --------------
  PROSPECTIVE INVESTORS SHOULD CAREFULLY CONSIDER THE MATTERS DISCUSSED UNDER
THE CAPTION "RISK FACTORS" BEGINNING ON PAGE 4.
 
                                --------------

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.
- -------
* QUIPS is a servicemark of Goldman, Sachs & Co.
 
 
                                --------------
 
                 The date of this Prospectus is May 30, 1997.
<PAGE>
 
(Continued from page 1)
 
  Host Marriott has the right to defer payment of interest on the Debentures
at any time or from time to time for a period not exceeding 20 consecutive
quarters with respect to each deferral period (each, an "Extension Period"),
provided that no Extension Period may extend beyond the stated maturity of the
Debentures. Upon the termination of any such Extension Period and the payment
of all amounts then due on any Interest Payment Date (as defined herein), Host
Marriott may elect to begin a new Extension Period subject to the requirements
set forth herein. If interest payments on the Debentures are so deferred,
Distributions on the Preferred Securities will also be deferred and Host
Marriott will not be permitted, subject to certain exceptions set forth
herein, to declare or pay any cash distributions with respect to Host
Marriott's capital stock or debt securities that rank pari passu with or
junior to the Debentures.
 
  During an Extension Period, interest on the Debentures will continue to
accrue (and the amount of Distributions to which holders of the Preferred
Securities are entitled will accumulate at 6 3/4% per annum, compounded
quarterly) and holders of Preferred Securities will be required to accrue
interest income for United States federal income tax purposes. See
"Description of the Debentures--Option to Extend Interest Payment Period" and
"Certain Federal Income Tax Consequences--Original Issue Discount."
 
  At any time on or after December 2, 1999, Host Marriott may, at its option,
cause the rights of holders of the Preferred Securities to convert the
Preferred Securities into Host Marriott Common Stock to expire. Host Marriott
may exercise this option only if for 20 trading days within any period of
30 consecutive trading days, including the last trading day of such period,
the Current Market Price (as defined herein) of Host Marriott Common Stock
exceeds 120% of the conversion price of the Preferred Securities, subject to
adjustment in certain circumstances. In order to exercise its option to
terminate the conversion rights of the Preferred Securities, Host Marriott
must issue a press release announcing the date upon which conversion rights
will expire prior to the opening of business on the second trading day after
any period in which the condition in the preceding sentence has been met, but
in no event prior to December 2, 1999. The date on which such conversion
rights will expire (the "Conversion Expiration Date") shall be a date not less
than 30 and not more than 60 days following the date of the issuance of the
press release described above. See "Description of the Preferred Securities--
Conversion Rights--Expiration of Conversion Rights."
 
  Except as provided below, the Preferred Securities may not be redeemed by
the Issuer prior to December 2, 1999. The Preferred Securities are subject to
redemption, in whole or in part, on or after such date, at redemption prices
set forth herein, upon any permitted redemption by Host Marriott of
Debentures, in a principal amount not to exceed the amount of the proceeds
derived by Host Marriott or its subsidiaries from the issuance and sale of
common stock within two years preceding the date fixed for redemption. See
"Description of the Preferred Securities--Optional Redemption." In the event
that, at any time after the Conversion Expiration Date, less than 5% of the
Preferred Securities remains outstanding, such Preferred Securities shall be
redeemable at the option of the Issuer, in whole but not in part, at a
redemption price equal to the liquidation preference for such Preferred
Securities and all accrued and unpaid Distributions. See "Description of the
Preferred Securities--Optional Redemption." In addition, the Preferred
Securities are subject to mandatory redemption upon the repayment at maturity
or as a result of acceleration of the Debentures. See "Description of the
Preferred Securities-- Mandatory Redemption."
 
  Under certain circumstances following the occurrence of a Special Event (as
herein defined), the Preferred Securities are also subject to (i) exchange, at
the option of the Issuer in the manner described herein, for Debentures (see
"Description of the Preferred Securities--Special Event Exchange or
Redemption") and (ii) redemption, in whole or in part, on or after December 2,
1999, if such Special Event constitutes a Tax Event (as defined herein). At
any time, Host Marriott has the right to terminate the Issuer and cause the
Debentures to be distributed to the holders of the Preferred Securities in
liquidation of the Issuer. Host Marriott has no current intention to terminate
the Issuer and
 
                                       2
<PAGE>
 
cause the Debentures to be distributed to the holders of the Preferred
Securities. See "Description of the Preferred Securities--Distribution of
Debentures." For a discussion of certain possible events that could result in
such a termination of the Issuer and a distribution of the Debentures, see
"Host Marriott Financial Trust."
 
  The Debentures are subordinate and junior in right of payment to all Senior
Debt of Host Marriott. The terms of the Indenture, Debentures, the Amended and
Restated Trust Agreement and the Guarantee place no limitation on the amount
of Senior Debt that may be incurred by Host Marriott or the amount of
indebtedness that may be incurred by its subsidiaries. As of March 28, 1997,
Host Marriott (excluding its subsidiaries) had indebtedness of $176 million
(excluding various guarantees of debt obligations of certain affiliates on
such date in an aggregate amount of $71 million, all of which comprised Senior
Debt of Host Marriott. Host Marriott has the right from time to time on or
after December 2, 1999 to redeem, in whole or in part, the Debentures at the
redemption prices set forth herein, provided that the principal amount so
redeemed may not exceed the amount of proceeds derived from Host Marriott or
its subsidiaries from the issuance and sale of common stock within two years
preceding the date fixed for redemption.
 
  In the event of the termination of the Issuer, after satisfaction of the
creditors of the Issuer as provided by applicable law, the holders of the
Preferred Securities will be entitled to receive a liquidation preference of
$50 per Preferred Security plus accumulated and unpaid Distributions thereon
to the date of payment, which may be in the form of a distribution of such
amount in Debentures, subject to certain exceptions. See "Description of the
Preferred Securities--Liquidation Distribution Upon Termination."
 
  Whenever Host Marriott issues shares of Host Marriott Common Stock upon
conversion of Debentures, Host Marriott will, subject to certain conditions,
issue, together with each share of Host Marriott Common Stock, such number
(which number may be a fraction) of Rights (as defined herein) as shall at
that time be issuable with a share of Common Stock pursuant to the Rights
Agreement (as defined herein).
 
                               ----------------
 
               SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
 
  THIS PROSPECTUS CONTAINS AND INCORPORATES BY REFERENCE CERTAIN FORWARD
LOOKING STATEMENTS WITHIN THE MEANING OF THE PRIVATE SECURITIES LITIGATION
REFORM ACT OF 1995 WITH RESPECT TO THE FINANCIAL CONDITION, RESULTS OF
OPERATIONS AND BUSINESS OF HOST MARRIOTT, INCLUDING, WITHOUT LIMITATION,
STATEMENTS UNDER THE CAPTIONS "RISK FACTORS," AND "THE COMPANY" INCLUDED
HEREIN, AS WELL AS "MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITION AND RESULTS OF OPERATIONS" IN HOST MARRIOTT'S QUARTERLY REPORT ON
FORM 10-Q FOR THE QUARTER ENDED MARCH 28, 1997 AND HOST MARRIOTT'S ANNUAL
REPORT ON FORM 10-K FOR THE YEAR ENDED JANUARY 3, 1997 AND ON FORM 8-K'S FILED
ON JANUARY 14, JANUARY 16, FEBRUARY 3, MARCH 6, MARCH 18, MAY 2, AND MAY 16,
1997. THESE FORWARD LOOKING STATEMENTS INVOLVE CERTAIN RISKS AND
UNCERTAINTIES, AND AS SUCH MAY INVOLVE KNOWN AND UNKNOWN RISKS, UNCERTAINTIES
AND OTHER FACTORS WHICH MAY CAUSE THE ACTUAL RESULTS, PERFORMANCE OR
ACHIEVEMENTS OF HOST MARRIOTT TO BE MATERIALLY DIFFERENT FROM ANY FUTURE
RESULTS, PERFORMANCE OR ACHIEVEMENTS EXPRESSED OR IMPLIED BY SUCH FORWARD-
LOOKING STATEMENTS. SUCH FORWARD-LOOKING STATEMENTS SPEAK ONLY AS OF THE DATE
OF THIS PROSPECTUS. HOST MARRIOTT EXPRESSLY DISCLAIMS ANY OBLIGATION OR
UNDERTAKING TO RELEASE PUBLICLY ANY UPDATES OR REVISIONS TO ANY FORWARD-
LOOKING STATEMENTS CONTAINED HEREIN TO REFLECT ANY CHANGE IN ITS EXPECTATIONS
WITH REGARD THERETO OR ANY CHANGE IN EVENTS, CONDITIONS OR CIRCUMSTANCES ON
WHICH ANY SUCH STATEMENT IS BASED. FURTHER INFORMATION ON OTHER FACTORS THAT
COULD AFFECT THE FINANCIAL RESULTS OF HOST MARRIOTT AND SUCH FORWARD LOOKING
STATEMENTS IS INCLUDED IN THE SECTION HEREIN ENTITLED "RISK FACTORS."
 
                                       3
<PAGE>
 
                                 RISK FACTORS
 
  Prospective purchasers of the Offered Securities should carefully review the
information contained elsewhere or incorporated by reference in this
Prospectus and should particularly consider the following matters.
 
RANKING OF SUBORDINATED OBLIGATIONS UNDER THE GUARANTEE AND THE DEBENTURES
 
  The obligations of Host Marriott under the Guarantee issued by Host Marriott
for the benefit of the holders of Preferred Securities are unsecured and rank
subordinate and junior in right of payment to all other liabilities of Host
Marriott and pari passu with any guarantee now or hereafter entered into by
Host Marriott in respect of any preferred or preference stock of any affiliate
of Host Marriott. The obligations of Host Marriott under the Debentures are
subordinate and junior in right of payment to all present and future Senior
Debt of Host Marriott. As of March 28, 1997, Host Marriott (excluding its
subsidiaries) had indebtedness of $176 million (excluding various guarantees
of debt obligations of certain affiliates on such date in an aggregate amount
of $71 million), all of which comprised Senior Debt of Host Marriott. The
ability of the Issuer to pay amounts due on the Preferred Securities is solely
dependent upon Host Marriott making payments on the Debentures as and when
required. Neither the Indenture, the Guarantee nor the Trust Agreement places
any limitation on the amount of secured or unsecured debt, including Senior
Debt, that may be incurred by Host Marriott and its subsidiaries. See
"Description of the Guarantee--Status of the Guarantee" and "Description of
the Debentures--Subordination."
 
STRUCTURAL SUBORDINATION
 
  The Debentures are obligations of Host Marriott exclusively. Since
substantially all of Host Marriott's operations are conducted through
subsidiaries, substantially all of Host Marriott's cash flow and,
consequently, its ability to service debt, including the Debentures, is
dependent upon the earnings of its subsidiaries and the transfer of funds by
those subsidiaries to Host Marriott in the form of dividends or other
transfers, supplemented with borrowings. The ability of these subsidiaries to
pay dividends to Host Marriott in the future are subject to restrictions
contained in indentures and other financing agreements by which such
subsidiaries are bound. See "--Limitations on Host Marriott from Debt
Financing."
 
  In addition, creditors of Host Marriott's subsidiaries are entitled to a
claim on the assets of such subsidiaries prior to any claims by Host Marriott.
Consequently, in the event of a liquidation or reorganization of any
subsidiary, creditors of such subsidiary are likely to be paid in full before
any distribution is made to Host Marriott, except to the extent that Host
Marriott itself is recognized as a creditor of such subsidiary, in which case
the claims of Host Marriott would still be subordinate to any security
interest in the assets of such subsidiary and any indebtedness of such
subsidiary senior to that held by Host Marriott. As of March 28, 1997, the
aggregate indebtedness (excluding accounts payable and accrued expenses,
deferred income taxes and other liabilities) of the consolidated subsidiaries
of Host Marriott was approximately $2.7 billion. See "Description of the
Preferred Securities--Distributions" and "Description of the Debentures--
Option to Extend Interest Payment Period."
 
OPTION TO EXTEND INTEREST PAYMENT PERIOD; TAX CONSEQUENCES
 
  Host Marriott has the right under the Indenture to defer the payment of
interest on the Debentures at any time or from time to time for a period not
exceeding 20 consecutive quarters with respect to each Extension Period,
provided that no Extension Period may extend beyond the stated maturity of the
Debentures. Upon the termination of any Extension Period and the payment of
all amounts then due, Host Marriott may select a new Extension Period and
terminate the payments of all amounts then due, subject to the requirements
described herein. As a consequence of any such deferral, quarterly
 
                                       4
<PAGE>
 
Distributions on the Preferred Securities by the Issuer will be deferred (and
the amount of Distributions to which holders of the Preferred Securities are
entitled will accumulate additional Distributions) during any such Extension
Period.
 
  Should an Extension Period occur, a holder of Preferred Securities will
continue to accrue income (in the form of original issue discount) in respect
of its pro rata share of the deferred interest allocable to the Debentures
held by the Issuer for United States Federal income tax purposes. As a result,
a holder of Preferred Securities will include such income in gross income for
United States Federal income tax purposes in advance of the receipt of cash,
and will not receive the cash related to such income from the Issuer if the
holder disposes of the Preferred Securities prior to the record date for the
payment of Distributions. See "Certain Federal Income Tax Consequences--
Original Issue Discount." Moreover, if a holder of Preferred Securities
converts its Preferred Securities into Host Marriott Common Stock during an
Extension Period, the holder will not receive any cash related to the deferred
distribution. Additionally, during the pendancy of any Extension Period, Host
Marriott will not be permitted, subject to certain exceptions set forth
herein, to declare or pay any cash distribution with respect to Host Marriott
capital stock or debt securities (including guarantees of indebtedness for
money borrowed) that rank pari passu with or junior to the Debentures. See
"Description of the Preferred Securities--Distributions."
 
  Host Marriott has no current intention of exercising its right to defer
payments of interest by extending the interest payment period on the
Debentures. However, should Host Marriott elect to exercise such right in the
future, the market price of the Preferred Securities is likely to be affected.
A holder that disposes of its Preferred Securities during an Extension Period,
therefore, might not receive the same return on its investment as a holder
that continues to hold its Preferred Securities. In addition, as a result of
the existence of Host Marriott's right to defer interest payments, the market
price of the Preferred Securities (which represent preferred undivided
beneficial interests in the Debentures) may be more volatile than the market
prices of other securities on which original issue discount accrues that are
not subject to such deferrals.
 
EXPIRATION OF CONVERSION RIGHTS
 
  On and after December 2, 1999, Host Marriott may, subject to certain
conditions, at its option, cause the conversion rights of holders of the
Preferred Securities to expire, provided that the Current Market Price of Host
Marriott Common Stock exceeds 120% of the conversion price of the Preferred
Securities for a specified period. See "Description of the Preferred
Securities--Conversion Rights--Expiration of Conversion Rights."
 
SPECIAL EVENT EXCHANGE OR REDEMPTION
 
  Upon certain circumstances following the occurrence and continuation of a
Special Event (as defined herein), the Preferred Securities are also subject
to (i) exchange in whole or, in the case of a Tax Event (as defined herein),
in whole or in part, in the manner described herein, for the Debentures or
(ii) redemption, in whole or in part, on or after December 2, 1999 in the case
of a Tax Event. See "Description of the Preferred Securities--Special Event
Exchange or Redemption."
 
  There can be no assurance as to the market prices for Preferred Securities
or Debentures that may be distributed in exchange for Preferred Securities if
a liquidation of the Issuer occurs or if the Preferred Securities are
exchanged for Debentures in connection with a Special Event. Accordingly, the
Preferred Securities that an investor may purchase, whether pursuant to the
offer made hereby or in the secondary market, or the Debentures that a holder
of Preferred Securities may receive on liquidation of the Issuer, may trade at
a discount to the price that the investor paid to purchase the Preferred
Securities offered hereby. Because holders of Preferred Securities may receive
Debentures
 
                                       5
<PAGE>
 
on termination of the Issuer or if the Preferred Securities are exchanged for
Debentures in connection with a Special Event, prospective purchasers of
Preferred Securities are also making an investment decision with regard to the
Debentures and should carefully review all the information regarding the
Debentures contained herein. See "Description of the Preferred Securities--
Special Event Exchange or Redemption" and "Description of the Debentures--
General."
 
RIGHTS UNDER THE GUARANTEE
 
  The Guarantee guarantees to the holders of the Preferred Securities the
following payments (the "Guarantee Payments"), to the extent not paid by the
Issuer: (i) any accumulated and unpaid Distributions required to be paid on
the Preferred Securities, to the extent that the Issuer has funds on hand
available therefor at such time, (ii) the redemption price with respect to any
Preferred Securities called for redemption, to the extent that the Issuer has
funds on hand available therefor at such time, and (iii) upon a voluntary or
involuntary dissolution, winding-up or liquidation of the Issuer (unless the
Debentures are distributed to holders of the Preferred Securities), the lesser
of (a) the aggregate of the liquidation preference and all accrued and unpaid
Distributions to the date of payment to the extent that the Issuer has funds
on hand available therefor at such time and (b) the amount of assets of the
Issuer remaining available for distribution to holders of the Preferred
Securities in liquidation of the Issuer. The Guarantee will be qualified as an
indenture under the Trust Indenture Act of 1939.
 
  As part of the Guarantee, Host Marriott agreed that it will honor all
obligations described therein relating to the conversion or exchange of the
Preferred Securities into or for Host Marriott Common Stock or Debentures.
 
  The holders of not less than a majority in aggregate liquidation amount of
the Preferred Securities have the right to direct the time, method and place
of conducting any proceeding for any remedy available to the Guarantee Trustee
in respect of the Guarantee or to direct the exercise of any trust power
conferred upon the Guarantee Trustee under the Guarantee. Any holder of
Preferred Securities can institute a proceeding directly against Host Marriott
to enforce its rights under the Guarantee (including the right to receive
Guarantee Payments) without first instituting a proceeding against the Issuer,
the Guarantee Trustee or any other person or entity. In certain circumstances,
however, holders of Preferred Securities would have remedies other than to
proceed directly against Host Marriott under the Guarantee. See "--Enforcement
of Certain Rights of Holders of Preferred Securities" and "Relationship Among
the Preferred Securities, the Debentures and the Guarantee--Enforcement Rights
of Holders of Preferred Securities." Except as set forth herein or therein,
holders of Preferred Securities will not be able to exercise directly any
other remedy available to the holders of Debentures or assert directly any
other rights in respect of the Debentures. The Trust Agreement provides that
each holder of Preferred Securities by acceptance thereof agrees to the
provisions of the Guarantee and the Indenture.
 
ENFORCEMENT OF CERTAIN RIGHTS BY HOLDERS OF PREFERRED SECURITIES
 
  If a Declaration Event of Default (as defined herein) occurs and is
continuing, then the holders of Preferred Securities would rely on the
enforcement by the Property Trustee of its rights as the holder of the
Debentures against Host Marriott. In addition, the holders of a majority in
aggregate liquidation amount of the Preferred Securities have the right to
direct the time, method and place of conducting any proceeding for any remedy
available to the Property Trustee or to direct the exercise of any trust or
power conferred upon the Property Trustee under the Trust Agreement, including
the right to direct the Property Trustee to exercise the remedies available to
it as a holder of the Debentures. If the Property Trustee fails to enforce its
rights as holder of the Debentures after a request therefor by a holder of
Preferred Securities, such holder may proceed to enforce such rights directly
against Host Marriott. Notwithstanding the following, if a Declaration Event
of Default occurs that results from the failure of Host Marriott to pay
principal of or interest on the Debentures when due (or in the case of a
 
                                       6
<PAGE>
 
redemption, on the redemption date), during the continuance of such an event
of default a holder of Preferred Securities may institute a legal proceeding
directly against Host Marriott to obtain payment to such holder (a "Direct
Action") of such principal or interest on Debentures having a principal amount
equal to the aggregate liquidation amount of the Preferred Securities owned of
record by such holder. See "Description of the Preferred Securities--
Declaration Events of Default; Notice" and "--Voting Rights; Amendment of the
Trust Agreement."
 
LIMITED VOTING RIGHTS
 
  Holders of Preferred Securities generally have limited voting rights
primarily in connection with directing the activities of the Property Trustee
as the holder of the Debentures. Holders of Preferred Securities are not
entitled to vote to appoint, remove or replace the Issuer Trustees (as
defined), which voting rights are vested exclusively in the holder of the
Common Securities. The Issuer Trustees and Host Marriott may amend the Trust
Agreement without the consent of holders of Preferred Securities to ensure
that the Issuer will be classified for United States federal income tax
purposes as a grantor trust even if such action adversely affects the
interests of such holders. See "Description of the Preferred Securities--
Voting Rights; Amendment of the Trust Agreement."
 
PROPOSED TAX LEGISLATION
 
  As a part of President Clinton's Fiscal 1998 Budget Proposal, the Treasury
Department has proposed legislation (the "Proposed Legislation") that, among
other things, would treat as equity for United States federal income tax
purposes certain debt instruments with a maximum term of more than 15 years
that are not shown as indebtedness on the separate balance sheet of the
Issuer. President Clinton's Budget Proposal, in its current form, would be
effective generally for instruments issued on or after the date of first
committee action on the proposal and therefore would not apply to the
Preferred Securities. Nevertheless, there can be no assurance that future
legislation would not have a retroactive effective date and that any such
future legislation would not prevent Host Marriott from deducting interest on
the Debentures. This would constitute a Tax Event and would permit the Issuer
to exchange the Preferred Securities, in whole or in part, for the Debentures
or redeem, in whole or in part, the Preferred Securities and corresponding
Debentures.
 
POTENTIAL REDUCTION OF PAYMENTS TO NON-UNITED STATES HOLDERS FOR UNITED STATES
TAX WITHHOLDING REQUIREMENTS
 
  In the event that any United States taxes, duties or other governmental
charges are required to be deducted or withheld from any payments by Host
Marriott to holders of Preferred Securities that are not United States persons
(as defined herein), neither Host Marriott nor the Issuer would be required to
pay any additional amounts to such holders and, therefore, any such taxes,
duties or
charges would reduce the amounts received by such holders. See "Certain
Federal Income Tax Consequences--Certain United States Tax Consequences to
Non-United States Holders."
 
ABSENCE OF PUBLIC MARKET FOR THE PREFERRED SECURITIES AND RESTRICTIONS ON
RESALE
 
  Although the Preferred Securities are approved for trading in the PORTAL
market, there can be no assurance that any market for the Preferred Securities
will develop or, if one does develop, that it will be maintained. If an active
market for the Preferred Securities fails to develop or be sustained, the
trading price of the Preferred Securities could be adversely affected. The
Preferred Securities could trade at prices that may be higher or lower than
the offering price hereunder depending on many factors, including prevailing
interest rates, the price of the Common Stock, the Company's operating
results, any election by the Company to extend interest payment periods and
the market for similar securities. However, there can be no assurance as to
the liquidity of any trading market for the Preferred Securities or that an
active public market for the Preferred Securities will develop.
 
 
                                       7
<PAGE>
 
TRADING PRICE OF PREFERRED SECURITIES
 
  The Preferred Securities may trade at a price that does not fully reflect
the value of accrued but unpaid interest with respect to the underlying
Debentures. A holder disposing of Preferred Securities between record dates
for payments of distributions thereon will be required for United States
Federal income tax purposes to include accrued but unpaid interest on the
Debentures through the date of disposition in income as ordinary income (i.e.,
original issue discount), and to add such amount to the adjusted tax basis in
the holder's Preferred Securities. To the extent the selling price is less
than the holder's adjusted tax basis (which will include, in the form of
original issue discount, all accrued but unpaid interest), a holder will
recognize a capital loss. Subject to certain limited exceptions, capital
losses cannot be applied to offset ordinary income for United States Federal
income tax purposes. See "Certain Federal Income Tax Consequences--Sales of
Preferred Securities."
 
SUBSTANTIAL LEVERAGE AND LIMITED FINANCIAL FLEXIBILITY
 
  Host Marriott and its subsidiaries have substantial indebtedness. As of
March 28, 1997, Host Marriott and its subsidiaries had consolidated debt of
approximately $2.7 billion, representing 62% of its total capitalization. Host
Marriott's business is capital intensive, and Host Marriott will have
significant capital requirements in the future. Host Marriott's leverage could
affect its ability to obtain financing in the future or to undertake
refinancings on terms and subject to conditions deemed acceptable by Host
Marriott.
 
  In the event that Host Marriott's cash flow and working capital are not
sufficient to fund its expenditures or to service its indebtedness, Host
Marriott would be required to raise additional funds through the sale of
additional equity securities, the refinancing of all or part of its
indebtedness, the incurrence of additional permitted indebtedness (including
the Debentures), or the sale of assets. There can be no assurance that any of
these sources of funds would be available in amounts sufficient for Host
Marriott to meet its obligations. Moreover, even if Host Marriott were able to
meet its obligations, its leveraged capital structure could significantly
limit its ability to finance its acquisition program and other capital
expenditures, to compete effectively or to operate successfully under adverse
economic conditions.
 
LIMITATIONS ON HOST MARRIOTT FROM DEBT FINANCING
 
  The indentures relating to senior notes issued by certain of Host Marriott's
subsidiaries contain financial and operating covenants, including, but not
limited to, restrictions on the ability of such
subsidiaries to incur additional indebtedness and issue preferred stock, pay
dividends or make other distributions to Host Marriott, create liens, sell
assets, enter into certain transactions with affiliates, and enter into
certain mergers and consolidations. In addition, the $225 million revolving
line of credit with Marriott International (the "MI Line of Credit") imposes
certain restrictions on the ability of Host Marriott and certain of its
subsidiaries to incur additional debt, create liens or mortgages on their
properties (other than various types of liens arising in the ordinary course
of business), extend new guarantees (other than replacement guarantees), pay
dividends and repurchase their common stock. The above restrictions may limit
Host Marriott's ability to secure additional financing, and may prevent Host
Marriott from engaging in transactions that might otherwise be beneficial to
Host Marriott and to holders of Host Marriott Common Stock.
 
RISKS OF ACQUISITION STRATEGY
 
  Host Marriott intends to continue pursuing a strategy of growth through the
opportunistic acquisition of full-service urban, convention, airport, suburban
office park and resort hotels and senior living communities primarily in the
United States. There can be no assurance that Host Marriott will find suitable
properties for acquisition. Host Marriott incurs certain costs in connection
with the acquisition of new properties and may be required to provide
significant capital expenditures for
 
                                       8
<PAGE>
 
conversions and upgrades when acquiring a property operating as other than a
Marriott-brand property. There can be no assurance that any of the properties
Host Marriott may acquire will be profitable following such acquisition. The
acquisition of a property that is not profitable, or the acquisition of a
property that results in significant unanticipated conversion costs, could
adversely affect Host Marriott's profitability. Host Marriott expects to
finance new acquisitions from a combination of the proceeds from the Original
Offering and, to the extent available, operating cash flow and indebtedness.
Depending on the number, size and timing of such transactions, Host Marriott
may in the future require additional financing in order to continue to make
acquisitions. There is no assurance that such additional financing, if any,
will be available to Host Marriott on acceptable terms. If the Company is
unable to pursue its acquisition strategy, the Company's financial condition
and results of operations would not be materially impacted as adequate funds
should be available to fund its expenditures and to service its indebtedness.
 
COMPETITION AND RISKS OF THE LODGING INDUSTRY
 
  Host Marriott's hotels generally operate in areas that contain numerous
other competitors. There can be no assurance that demographic, geographic or
other changes in markets will not adversely affect the convenience or
desirability of the location of Host Marriott's hotels. Furthermore, there can
be no assurance that, in the markets in which Host Marriott's hotels operate,
competing hotels will not pose greater competition for guests than presently
exists, or that new hotels will not enter such markets.
 
  During the 1980s, construction of lodging facilities in the United States
resulted in an excess supply of available rooms. This over-supply had an
adverse effect on occupancy levels and room rates in the industry. Although
the current outlook for the industry has improved, there can be no assurance
that in the future the lodging industry, including Host Marriott and its
hotels, will not be adversely affected by (i) national and regional economic
conditions, (ii) changes in travel patterns, (iii) seasonality of the hotel
business, (iv) taxes and government regulations which influence or determine
wages, prices, interest rates, construction procedures and costs, and (v) the
availability of credit. Hotel investments are relatively illiquid. Such
illiquidity will tend to limit the ability of Host Marriott to respond to
changes in economic or other conditions.
 
POTENTIAL CONFLICTS WITH MARRIOTT INTERNATIONAL
 
  In addition to the businesses currently engaged in by Host Marriott, prior
to October 1993, Host Marriott was also engaged in lodging and senior living
services management, timeshare resort development and operation, food service
and facilities management and other contract services businesses (the
"Management Business") through certain wholly owned subsidiaries. On October
8, 1993, Host Marriott contributed its Management Business to Marriott
International and made a special tax-free dividend consisting of the
distribution to holders of outstanding shares of common stock, on a share-for-
share basis, of all outstanding shares of Marriott International. Marriott
International now conducts the Management Business as a separate publicly-
traded company. The Company and Marriott International and their subsidiaries
are parties to several important ongoing arrangements, including various
service arrangements and agreements pursuant to which Marriott International
manages certain of the Company's portfolio lodging properties.
 
  The interests of Host Marriott and Marriott International may conflict due
to the ongoing relationships between the companies. In addition, Host Marriott
and Marriott International share two common directors--J.W. Marriott, Jr.
serves as Chairman of the Board of Directors and President of Marriott
International and also serves as a director of Host Marriott, and Richard E.
Marriott serves as Chairman of the Board of Directors of Host Marriott and
also serves as a director of Marriott International. Messrs. J.W. Marriott,
Jr. and Richard E. Marriott, as well as certain other officers and directors
of Marriott International and Host Marriott, also own shares (and/or options
or other rights to acquire shares) in both companies. With respect to the
various contractual arrangements between
 
                                       9
<PAGE>
 
the two companies, the potential exists for disagreement as to the quality of
services provided by Marriott International and as to contract compliance. Any
such disagreements between Host Marriott and Marriott International could
adversely affect the performance of one or more of Host Marriott's hotels.
Additionally, the possible desire of Host Marriott, from time to time, to
finance, refinance or effect a sale of any of the properties managed by
Marriott International may, depending upon the structure of such transactions,
result in a need to modify the management agreement with Marriott
International with respect to such property. Any such modification proposed by
Host Marriott may not be acceptable to Marriott International, and the lack of
consent from Marriott International could adversely affect Host Marriott's
ability to consummate such financing or sale. In addition, certain situations
could arise where actions taken by Marriott International in its capacity as
manager of competing lodging properties would not necessarily be in the best
interests of Host Marriott. Any such actions by Marriott International could
adversely impact one or more of Host Marriott's hotels. Nevertheless, Host
Marriott believes that there is sufficient mutuality of interest between Host
Marriott and Marriott International to result in a mutually productive
relationship. Moreover, appropriate policies and procedures are followed by
the Board of Directors of each of the companies to limit the involvement of
Messrs. J.W. Marriott, Jr. and Richard E. Marriott (and, if appropriate, other
officers and directors of such companies) in conflict situations, including
requiring them to abstain from voting as directors of either Host Marriott or
Marriott International (or as directors of any of their subsidiaries) on
certain matters which present a conflict between the companies.
 
RISKS INVOLVED IN INVESTMENTS THROUGH PARTNERSHIPS OR JOINT VENTURES
 
  Historically, Host Marriott has served as a general or limited partner in
hotel partnerships, which typically owned a number of hotel properties and
involved numerous limited partners. More recently, Host Marriott's joint
venture arrangements have been focused on one or a small number of properties,
and have involved only a few partners, which could include the manager or
former owners of such hotels. In the future, Host Marriott intends selectively
to use joint venture arrangements to acquire properties and may consider
acquiring full or controlling interests in partnerships in which it currently
holds general or limited partner interests. Joint venturers may have certain
rights over the operation of the joint venture assets. Therefore, such
investments may, under certain circumstances, involve risks such as the
possibility that the co-venturer in an investment might become bankrupt, or
have economic or business interests or goals that are inconsistent with the
business interests or goals of Host Marriott, or be in a position to take
action contrary to the instructions or the requests of Host Marriott or
contrary to Host Marriott's policies or objectives. Consequently, actions by a
co-venturer might result in subjecting hotel properties owned by the joint
venture to additional risk. Although Host Marriott will seek to maintain
sufficient control of any joint venture to permit Host Marriott's objectives
to be achieved, it may be unable to take action without the approval of its
joint venture partners or its joint venture partners could take actions
binding on the joint venture without Host Marriott's consent. Additionally,
should a joint venture partner become bankrupt, Host Marriott could, in
certain circumstances, become liable for such partner's share of joint venture
liabilities.
 
POTENTIAL ANTITAKEOVER EFFECT OF PROVISIONS IN HOST MARRIOTT'S CERTIFICATE OF
INCORPORATION AND BYLAWS
 
  Host Marriott's Restated Certificate of Incorporation and Bylaws each
contain provisions that will make difficult an acquisition of control of Host
Marriott by means of a tender offer, open market
purchases, proxy fight, or otherwise, that is not approved by the Board of
Directors. Provisions that may have an antitakeover effect include (i) a
staggered board of directors with three separate classes, (ii) a super-
majority vote requirement for removal or filling of vacancies on the Board of
Directors and for amendment to Host Marriott's Restated Certificate of
Incorporation (the "Company Certificate") and Bylaws, (iii) a prohibition on
shareholder action by written consent and (iv) super-majority voting
requirements for approval of mergers and other business combinations involving
Host Marriott and
 
                                      10
<PAGE>
 
interested shareholders. In addition, Host Marriott is subject to Section 203
of the Delaware General Corporation Law requiring super-majority approval for
certain business combinations. Host Marriott has also adopted a shareholder
rights plan which may discourage or delay a change in control of Host
Marriott. Certain indebtedness issued by subsidiaries of Host Marriott also
have change of control provisions that would require such indebtedness to be
repurchased in the event of a change of control which also may have the effect
of discouraging or delaying a change in control of Host Marriott. Finally,
Host Marriott has granted Marriott International, for a period expiring in
October 2003, the right to purchase up to 20% of each class of the then
outstanding voting stock of Host Marriott at the fair market value thereof
upon the occurrence of certain specified events, generally involving changes
in control of Host Marriott (the "Marriott International Purchase Right"). The
Marriott International Purchase Right may have certain antitakeover effects
with respect to Host Marriott. Any person considering acquiring a substantial
or controlling block of Common Stock would face the possibility that its
ability to exercise control would be impaired by Marriott International's 20%
ownership resulting from exercise of the Marriott International Purchase
Right. It is also possible that the exercise price of the Marriott
International Purchase Right would be lower than the price at which a
potential acquirer might be willing to purchase a 20% block of shares of
Common Stock because the purchase price for the Marriott International
Purchase Right is based on the average trading price during a 30-day period
which may be prior to the announcement of the takeover event. This potential
price difference may have a further antitakeover effect of discouraging
potential acquirers of Host Marriott. See "Purposes and Antitakeover Effects
of Certain Provisions of the Company Certificate and Bylaws and the Marriott
International Purchase Right" and "Description of Host Marriott Capital
Stock--Rights and Junior Preferred Stock."
 
HISTORY OF LOSSES
 
  Host Marriott has sustained losses from continuing operations of $13 million
and $62 million for fiscal years 1996 and 1995, respectively. Host Marriott's
losses have resulted principally from depreciation and write downs of the
carrying values of certain assets to their estimated sales values. There can
be no assurance that Host Marriott will not continue to experience losses from
operations in the future.
 
                                      11
<PAGE>
 
  Note: Unless the context otherwise requires, the term "Company" refers to
Host Marriott Corporation and its subsidiaries and their combined operations.
References herein to "Smith Travel Research" are to industry data provided by
Smith Travel Research. References herein to "Coopers & Lybrand" refer to the
February 1997 Hospitality Directions Quarterly Research Journal published by
Coopers & Lybrand LLP.
 
                                  THE COMPANY
 
  The Company is one of the largest owners of hotels in the world with 85
upscale and luxury full-service lodging properties as of May 19, 1997,
primarily located in the United States. These properties generally are
operated under the Marriott brand and are managed by Marriott International,
Inc. ("Marriott International"), formerly a wholly owned subsidiary of the
Company. Four of the Company's properties are operated under the Ritz-Carlton
brand in which Marriott International acquired a 49% interest in April 1995.
The Marriott and Ritz-Carlton brand names are among the most respected and
widely recognized brand names in the lodging industry. The Company's primary
focus is the acquisition of full-service lodging properties. Since the
beginning of 1994, the Company has added 56 full-service hotels with 25,653
rooms for an aggregate purchase price of over $2.7 billion. Based on data
provided by Smith Travel Research, the Company believes that its full-service
hotels consistently outperform the industry's average occupancy rate by a
significant margin and averaged 77.3% occupancy for 1996 compared to 71.1%
average occupancy for competing hotels in the upscale full-service segment of
the lodging industry (the segment which is most representative of the
Company's full-service hotels).
 
  The lodging industry as a whole, and the upscale and luxury full-service
hotel segments in particular, are benefiting from an improved supply and
demand relationship in the United States. Based on data provided by Smith
Travel Research, the Company believes that demand for upscale full-service
rooms, measured as annual domestic occupied room nights for its competitive
set, increased 3.8% in 1994, 1.5% in 1995 and 2.3% in 1996. Management
believes that demand increases have resulted primarily from an improved
economic environment and a corresponding increase in business travel. In spite
of increased demand for rooms, the room supply growth rate in the full-service
segment has diminished. Management believes that this decrease in the supply
growth rate in the full-service segment is attributable to many factors
including the limited availability of attractive building sites for full-
service hotels, the lack of available financing for new full-service hotel
construction and the availability of existing full-service properties for sale
at a discount to their replacement value. The relatively high occupancy rates
of the Company's hotels along with increased demand for full-service hotel
rooms have allowed the managers of the Company's hotels to increase average
daily room rates by primarily replacing certain discounted group business with
higher-rated group and transient business and by selectively raising room
rates. As a result, on a comparable basis, room revenues per available room
("REVPAR") for full-service properties increased approximately 19% for the
first quarter of 1997. Furthermore, because lodging property operations have a
high fixed cost component, increases in REVPAR generally yield greater
percentage increases in the Company's consolidated Earnings Before Interest
Expense, Taxes, Depreciation, Amortization and other non-cash items
(principally non-cash writedowns of lodging properties and equity in earnings
of an affiliate, net of distributions received) ("EBITDA"). Accordingly, the
approximate 19% increase in REVPAR resulted in an approximate 30% increase in
comparable full-service EBITDA for the first quarter of 1997. The Company
expects this supply/demand imbalance, particularly in the upscale and luxury
full-service segments, to continue, which should result in improved REVPAR and
EBITDA at its hotel properties in the near term.
 
  BUSINESS STRATEGY. The Company's business strategy is to continue to focus
on opportunistic acquisitions of full-service urban, convention, airport,
suburban office park and resort hotels primarily in the United States. The
Company believes that the upscale and luxury full-service segments of the
market offer numerous opportunities to acquire assets at attractive multiples
of cash flow and at
 
                                      12
<PAGE>
 
substantial discounts to replacement value, including underperforming hotels
which can be improved by conversion to the Marriott or Ritz-Carlton brands.
 
  There is very limited new supply of upscale and luxury full-service hotel
rooms currently under construction. According to Smith Travel Research, from
1988 to 1991, upscale full-service room supply for the Company's competitive
set increased an average of approximately 4% annually, which resulted in an
oversupply of rooms in the industry. However, this growth slowed to an average
of approximately 1.0% from 1992 to 1996. According to Coopers & Lybrand, hotel
supply in the upscale full-service segment is expected to grow annually at
1.8% to 1.9% through 1998. Management believes that the lead time from
conception to completion of a full-service hotel is generally five years or
more in the types of markets the Company is principally pursuing, which will
contribute to the continued low growth of supply in the upscale and luxury
full-service segments through 2000.
 
  The Company intends to grow its full-service hotel portfolio. In carrying
out this strategy, the Company evaluates each opportunity on an individual
basis and may from time to time elect to acquire controlling interests in
hotel joint ventures, rather than pursue the outright acquisition of
properties, when it believes its return on investment will be maximized by so
doing. The Company may make acquisitions directly or through its subsidiaries
depending on a variety of factors, including the existence of debt, the form
of investment, the restrictions and requirements of its bond indentures and
the availability of funds.
 
  The Company believes it is well qualified to pursue its acquisition
strategy. Management has extensive experience in acquiring and financing
lodging properties and believes its industry knowledge, relationships and
access to market information provide a competitive advantage with respect to
identifying, evaluating and acquiring hotel assets. In addition, the Company
is well positioned to convert acquired properties to high-quality Marriott and
Ritz-Carlton brand names due to its relationship with Marriott International.
 
  Consistent with its strategy of focusing on the full-service segment of the
lodging industry, the Company sold (subject to a leaseback) 16 Courtyard and
18 Residence Inn properties to a real estate investment trust (the "REIT") in
1996. The Company received net proceeds of $314 million and will receive
approximately $35 million upon expiration of the leases. With the completion
of this transaction, 100% of the Company's owned properties are in the full-
service segment. The Company has reinvested substantially all of the proceeds
in the acquisition of full-service lodging properties.
 
  In 1996, the Company acquired six full-service hotels (1,964 rooms) for an
aggregate purchase price of approximately $189 million and controlling
interests in 17 additional properties (8,917 rooms) for an aggregate purchase
price of approximately $1.1 billion, including $696 million of mortgage debt.
In addition, the Company acquired the mortgage loan secured by the 504-room
New York Marriott Financial Center for $101 million in late 1996 and then
completed the acquisition of the hotel in early 1997.
 
  During 1997, through the date hereof, the Company has acquired one luxury
full-service hotel (306 rooms) for $57 million and controlling interests in
four additional properties (2,677 rooms) for approximately $330 million,
including the assumption of $258 million of debt.
 
  The Company has acquired a number of properties from inadvertent owners at
significant discounts to replacement cost, including luxury hotels operating
under the Ritz-Carlton brand. Many desirable hotel properties are currently
held by inadvertent owners such as banks, insurance companies and other
financial institutions which are motivated and willing sellers. While in the
Company's experience to date these sellers have been primarily United States
financial organizations, the Company believes that numerous international
financial institutions are also inadvertent owners of lodging properties and
have only recently begun to dispose of such properties. The Company expects
 
                                      13
<PAGE>
 
that there will be increased opportunities to acquire lodging properties from
international financial institutions.
 
  The Company believes that there are numerous opportunities to improve the
performance of acquired hotels by replacing the existing hotel manager with
Marriott International and converting the hotels to the Marriott and Ritz-
Carlton brands. Fourteen of the 56 full-service hotels added since the
beginning of 1994 were converted to the Marriott brand following their
acquisition. Based on industry data, the Company believes that Marriott
flagged properties have consistently outperformed the industry. Demonstrating
the strength of the Marriott brand name, the average occupancy rate for the
Company's comparable full-service hotels for 1996 was 78.0% compared to an
average occupancy rate of 71.1% for competing upscale full-service hotels not
operating under the Marriott brand. Accordingly, management anticipates that
any additional full-service properties acquired by the Company in the future
and converted from other brands to the Marriott brand should achieve higher
occupancy rates and average room rates than has previously been the case for
those properties as the properties begin to benefit from Marriott's brand
recognition, reservation system and group sales organization. The Company
intends to pursue additional full-service hotel acquisitions, some of which
may be conversion opportunities.
 
  The Company holds minority interests and serves as general partner in
various partnerships that own, as of May 16, 1997, an aggregate of 250
additional hotel properties, 30 of which are full-service properties, managed
by Marriott International. In 1996, the Company purchased controlling
interests in four affiliated partnerships, adding nine hotels to its
portfolio. In January, the Company acquired a controlling interest in the
1,355-room San Diego Marriott Hotel and Marina. In June, the Company
successfully completed a tender offer for a majority of the limited
partnership units of Marriott Hotel Properties II Limited Partnership
("MHPII"). MHPII owns the 1,290-room New Orleans Marriott, the 999-room San
Antonio Marriott Rivercenter, the 368-room San Ramon Marriott and a 50%
limited partner interest in the 754-room Santa Clara Marriott. In the fourth
quarter of 1996, the Company acquired a controlling interest in the Marriott
Suites Limited Partnership which owns four all-suite hotels. The partnership
owns the 251-room Marriott Suites Scottsdale hotel in Scottsdale, Arizona; the
254-room Marriott Suites Downers Grove hotel in a Chicago suburb; the 254-room
Marriott Suites Atlanta Midtown hotel in Atlanta; and the 253-room Marriott
Suites Costa Mesa hotel in Orange County, California. In November, the Company
acquired the remaining 80% general partner interest in the general partnership
that owns the 510-room Salt Lake City Marriott. In the first quarter of 1997,
the Company acquired a controlling interest in the Marriott Hotel Properties
Limited Partnership ("MHPLP"). MHPLP owns the 1,503-room Marriott Orlando
World Center and a 50.5% partnership interest in the 624-room Marriott Harbor
Beach Resort. In the second quarter of 1997, the Company acquired a
controlling interest in the Hanover Marriott Limited Partnership, which owns
the 353-room Hanover Marriott near Morristown, New Jersey. The Company is
actively considering the acquisition of additional full-service hotels
currently held by such partnerships and/or additional interests in such
partnerships.
 
  In addition to investments in partnerships in which it already held minority
interests, the Company has been successful in adding properties to its
portfolio through partnership arrangements with either the seller of the
property or the incoming managers (typically Marriott International or a
Marriott franchisee). During 1996, the Company acquired interests in six such
partnerships which owned eight full-service hotels, including the 463-room
Ritz-Carlton, Naples in Naples, Florida; the 553-room Ritz-Carlton, Buckhead
in Atlanta, Georgia; the 314-room JW Marriott Hotel and the 600-room Airport
Marriott in Mexico City; and the 400-room Pittsburgh City Center Marriott.
Four of the eight hotels were converted to the Marriott brand, which
conversion generally included additional capital expenditures. Subsequent to
year-end, the Company acquired a controlling interest in the 197-room
Waterford Hotel in Oklahoma City, Oklahoma through a partnership with the
hotel's manager. The hotel has been converted to the Marriott brand. The
Company has the financial flexibility and the administrative infrastructure in
place to accommodate such arrangements. The Company views this ability as a
competitive advantage and expects to enter into similar arrangements to add
additional properties in the future.
 
 
                                      14
<PAGE>
 
  The Company believes there is a significant opportunity to acquire
additional Ritz-Carlton hotels due to the Company's relationship with Marriott
International and due to the number of Ritz-Carlton brand hotels currently
owned by inadvertent owners. The Company also intends to purchase luxury
hotels with the intention of converting them to the Ritz-Carlton brand.
 
  While the Company's portfolio of lodging properties consists almost entirely
of upscale and luxury full-service hotels, management continually considers
the merits of diversifying into other compatible lodging-related real estate
assets that offer strong current economic benefits and growth prospects. In
early 1997, the Company signed a letter of intent to acquire 29 premier senior
living communities from Marriott International for $433 million. The Company
has developed a plan to add over one thousand expansion units to these
properties through 1999 for an additional $107 million. The Company intends to
finance its acquisition program through the use of internally generated funds,
additional equity and moderate levels of indebtedness.
 
  SPECIAL DIVIDEND. Host Marriott previously operated food, beverage and
merchandise concessions at airports, on tollroads and at stadiums and arenas
and other tourist attractions (the "Operating Group Business"). On December
29, 1995, Host Marriott distributed the Operating Group Business to its
stockholders through a special dividend (the "Special Dividend") of all of the
outstanding shares of common stock of Host Marriott Services Corporation ("HM
Services").
 
                              RECENT DEVELOPMENTS
 
  On January 14, 1997, the Company successfully completed the tender offer for
46.4% of the limited partnership units of MHP, an affiliated partnership of
the Company, by purchasing 464 limited partnership units for approximately $37
million, or $80,000 per unit. MHP owns the 1,503-room Marriott Orlando World
Center and a 50.5% partnership interest in the 624-room Marriott Harbor Beach
Resort.
 
  In the first quarter of 1997, the Company acquired the 306-room Ritz-
Carlton, Marina del Rey for approximately $57 million and a controlling
interest in the 197-room Waterford Hotel in Oklahoma City through a
partnership with the hotel's manager for approximately $18 million. The
Waterford Hotel has been converted to the Marriott brand. The Company
completed the acquisition of the 504-room New York Marriott Financial Center,
after acquiring the mortgage on the hotel in late 1996. The Company also
repurchased the debt on the San Francisco Marriott for approximately $219
million, representing an $11 million extraordinary gain before taxes and
closing costs.
 
  In the second quarter of 1997, the Company acquired a controlling interest
in the Hanover Marriott Limited Partnership ("Hanover LP") for $42 million,
including $27 million in assumed debt. Hanover LP, an affiliated partnership
of the Company, owns the 353-room Hanover Marriott near Morristown, New
Jersey.
 
  The Company recently signed a nonbinding letter of intent to acquire 29
premier senior living communities from Marriott International for $433
million. The acquisition is subject to various contingencies including the
completion of due diligence. The Company has developed a plan to add over
1,000 expansion units to these properties through 1999 for an additional $107
million.
 
  Other than as described herein, as of the date hereof, the Company has no
arrangements or understanding as to, and is not involved in any negotiations
with respect to, any material acquisitions, although it assesses acquisition
opportunities on an on-going basis, and from time to time has discussions with
other owners of lodging real estate regarding potential acquisitions.
 
 
                                      15
<PAGE>
 
                         HOST MARRIOTT FINANCIAL TRUST
 
  Host Marriott Financial Trust (the "Issuer") is a statutory business trust
created under Delaware law pursuant to (i) a trust agreement executed by Host
Marriott, as Depositor, and the Property Trustee, the Delaware Trustee and the
Administrative Trustees (each as defined herein) and (ii) the filing of a
certificate of trust with the Delaware Secretary of State on November 25,
1996. In connection with the Original Offering such trust agreement was
amended and restated in its entirety (as so amended and restated, the "Trust
Agreement"). The Issuer exists for the exclusive purposes of (i) issuing and
selling the Preferred Securities and Common Securities, (ii) using the
proceeds from the sale of such Preferred Securities and Common Securities to
acquire the Debentures issued by Host Marriott and (iii) engaging in only
those other activities necessary or incidental thereto. Accordingly, the
Debentures will be the sole assets of the Issuer, and payments under the
Debentures will be the sole revenue of the Issuer.
 
  Unless earlier terminated, the Issuer shall automatically terminate on
November 25, 2041, following the distribution of the Issuer Property. The
Issuer may be terminated prior to November 25, 2041 upon the happening of any
one of (a) bankruptcy, or dissolution or liquidation of, Host Marriott; (b)
the occurrence of a Special Event except in the case of a Tax Event following
which Host Marriott elects (i) to pay any Additional Sums (as defined herein)
such that the net amount received by holders of Preferred Securities in
respect of distributions is not reduced as a result of such Tax Event and Host
Marriott has not revoked any such election or failed to make such payments or
(ii) to redeem all or some of the Debentures; (c) the redemption, conversion
or exchange of all the Registrable Securities; (d) an order for dissolution of
the Issuer shall have been entered by a court of competent jurisdiction and;
(e) receipt by the Property Trustee of written notice from Host Marriott at
any time (which direction is optional and wholly within the discretion of Host
Marriott) of its intention to terminate the Issuer and distribute the
Debentures in exchange for the Preferred Securities.
 
  All of the Common Securities are owned by Host Marriott. The Common
Securities will rank pari passu, and payments will be made thereon pro rata,
with the Preferred Securities, except that upon the occurrence and continuance
of a Declaration Event of Default resulting from an Event of Default under the
Indenture, the rights of Host Marriott as holder of the Common Securities to
payment in respect of Distributions and payments upon liquidation, redemption
or otherwise are subordinated to the rights of the holders of the Preferred
Securities. See "Description of the Preferred Securities--Subordination of
Common Securities." Host Marriott has acquired Common Securities in an
aggregate liquidation amount equal to not less than 3% of the total capital of
the Issuer.
 
  The Issuer's business and affairs are conducted by its trustees, which were
appointed by Host Marriott as holder of the Common Securities. Pursuant to the
Trust Agreement, the number of trustees initially is five. Three of the
trustees (the "Administrative Trustees") are persons who are employees of
officers of, or affiliated with, Host Marriott. A fourth trustee is a
financial institution unaffiliated with Host Marriott that will serve as
property trustee (the "Property Trustee") under the Trust Agreement and which
will act as the independent trustee one of the principal responsibilities of
which is to fulfill the Trustee obligations with respect to the Trust
Agreement as set forth in the Trust Indenture Act of 1939 (the "TIA"). IBJ
Schroder Bank & Trust Company is acting as the Property Trustee until removed
or replaced by the holder of the Common Securities. See "Description of the
Debentures." The fifth trustee is a financial institution or an affiliate
thereof which maintains a principal place of business or residence in the
State of Delaware (the "Delaware Trustee"). Delaware Trust Capital Management,
Inc. is acting as Delaware Trustee until removed or replaced by the holder of
the Common Securities. The Administrative Trustees, the Property Trustee and
the Delaware Trustee are referred to herein as the "Issuer Trustees." IBJ
Schroder Bank & Trust Company is also acting as indenture trustee under the
Guarantee (the "Guarantee Trustee"). See "Description of the Guarantee."
 
 
                                      16
<PAGE>
 
  The Property Trustee holds the title to the Debentures for the benefit of
the Issuer and holders of the Preferred Securities and the Common Securities
and has the power to exercise all rights, powers and privileges as holder of
the Debentures. In addition, the Property Trustee maintains exclusive control
of a segregated non-interest bearing bank account (the "Property Account") to
hold all payments made in respect of the Debentures for the benefit of the
Issuer and holders of the Preferred Securities and the Common Securities. The
Property Trustee will make payments of Distributions and payments on
liquidation, redemption and otherwise to the holders of the Preferred
Securities and the Common Securities out of funds from the Property Account.
The Guarantee Trustee holds the Guarantee for the benefit of the holders of
the Preferred Securities and acts as independent trustee whose primary
responsibility is to fulfill the Trustee obligation with respect to the
Guarantee as set forth in the TIA. Host Marriott, as the holder of all the
Common Securities, has the right to appoint, remove or replace any Issuer
Trustee and to increase or decrease the number of Issuer Trustees, provided
that the number of Issuer Trustees shall be at least three, a majority of
which will be Administrative Trustees. The duties and obligations of the
Issuer Trustees are governed by the Trust Agreement. The rights of the holders
of the Preferred Securities, including economic rights, right to information
and voting rights, are as set forth in the Trust Agreement and the Delaware
Business Trust Act, as amended (the "Trust Act").
 
  Host Marriott will pay all fees and expenses related to the Issuer and the
offering of the Preferred Securities and will pay, directly or indirectly, all
ongoing costs, expenses and liabilities of the Issuer. See "Description of the
Debentures--Expenses of Issuer." The principal executive office of the Issuer
is 10400 Fernwood Road, Bethesda, Maryland, 20817, Attention: Corporate
Secretary. The telephone number is (301) 380-9000.
 
                                USE OF PROCEEDS
 
  The Selling Holders will receive all of the proceeds from any sale of the
Offered Securities. Neither the Company, nor the Trust will receive any
proceeds from the sale of Offered Securities.
 
                             ACCOUNTING TREATMENT
 
  The financial statements of the Issuer are included in the consolidated
financial statements of Host Marriott with the Preferred Securities shown on
such consolidated financial statements as "Company-obligated Mandatorily
Redeemable Convertible Preferred Securities of a Subsidiary Trust Holding
Company Substantially all of whose assets are the Convertible Preferred
Subordinated Debentures Due 2026." The sole assets of the Issuer will be the 6
3/4% Convertible Subordinated Debentures due 2026.
 
                      RATIO OF EARNINGS TO FIXED CHARGES
                                  (UNAUDITED)
 
  The following table sets forth the Company's ratio of earnings to fixed
charges on a historical basis for each of the five fiscal years in the period
ended January 3, 1997 and for the twelve weeks ended March 28, 1997 and March
22, 1996.
 
<TABLE>
<CAPTION>
                                 TWELVE WEEKS ENDED
                                 -------------------
                                                            FISCAL YEAR
                                 MARCH 28, MARCH 22, --------------------------
                                   1997      1996    1996   1995 1994 1993 1992
                                 --------- --------- -----  ---- ---- ---- ----
                                     (AMOUNTS IN MILLIONS, EXCEPT RATIOS)
<S>                              <C>       <C>       <C>    <C>  <C>  <C>  <C>
Ratio of earnings to fixed
 charges(1)....................     1.2x      --       1.0x  --   --   --   --
Deficiency of earnings to fixed
 charges(2)....................    $ --       $12    $ --   $ 70 $ 12 $ 45 $ 66
</TABLE>
- --------
(1) The ratio of earnings to fixed charges is computed by dividing income
    before taxes, interest expense and other fixed charges by total fixed
    charges, including interest expense, amortization of debt issuance costs
    and the portion of rent expense that is deemed to represent interest.
(2) The deficiency of earnings to fixed charges is largely the result of
    depreciation and amortization of $51 million for the twelve weeks ended
    March 22, 1996, $122 million for fiscal year 1995, $113 million for fiscal
    year 1994, $196 million for fiscal year 1993 and $175 million for fiscal
    year 1992.
 
                                      17
<PAGE>
 
                    DESCRIPTION OF THE PREFERRED SECURITIES
 
  This summary of certain provisions of the Preferred Securities and the Trust
Agreement does not purport to be complete and is subject to, and is qualified
in its entirety by reference to, all the provisions of the Trust Agreement (a
copy of which will be available for inspection at the corporate trust office
of the Property Trustee in New York, New York) and the Trust Act. The
Preferred Securities were issued in the Original Offering pursuant to the
terms of the Trust Agreement. Wherever particular defined terms of the Trust
Agreement are referred to herein, such defined terms are incorporated herein
or therein by reference.
 
GENERAL
 
  The Preferred Securities were issued in the Original Offering in fully
registered form without interest coupons. Bearer Preferred Securities were not
issued. The Trust Agreement authorizes the Issuer Trustees, on behalf of the
Issuer to issue the Preferred Securities and the Common Securities. The
Preferred Securities represent preferred undivided beneficial interests in the
assets of the Issuer and the Common Securities represent common undivided
beneficial interests in the assets of the Issuer. All of the Common Securities
are owned by Host Marriott. The Preferred Securities rank pari passu, and
payments are made thereon pro rata, with the Common Securities except as
described under "--Subordination of Common Securities." Legal title to the
Debentures is held by the Property Trustee in trust for the benefit of the
holders of the Preferred Securities and Common Securities. The Trust Agreement
does not permit the issuance by the Issuer of any securities other than the
Preferred Securities and the Common Securities or the incurrence of any
indebtedness by the Issuer. The payment of Distributions out of money held by
the Issuer, and payments upon redemption of the Preferred Securities or
liquidation of the Issuer, are guaranteed by Host Marriott to the extent
described under "Description of the Guarantee." The Guarantee is held by the
Guarantee Trustee for the benefit of the holders of the Preferred Securities.
The Guarantee does not cover payment of Distributions when the Issuer does not
have sufficient available funds to pay such Distributions. The remedy of a
holder of Preferred Securities in such an event is as described herein in "--
Voting Rights; Amendment of the Trust Agreement." See "Description of the
Guarantees." The Guarantee, when taken together with the Company's obligations
under the Indenture, the Debentures and the Trust Agreement (including the
Company's obligation to pay costs, expenses, debts and liabilities of the
Issuer (other than with regard to the Trust Securities)), provide a full and
unconditional and irrevocable guarantee of amounts due on the Preferred
Securities. See "Description of the Guarantee."
 
DISTRIBUTIONS
 
  Distributions on each Preferred Security are fixed at a rate per annum of 6
3/4% of the liquidation preference of $50 per Preferred Security.
Distributions accumulate from the date of original issuance and are payable
quarterly in arrears on March 1, June 1, September 1 and December 1 of each
year on the applicable record date, commencing March 1, 1997 when, as and if
available for payment by the Property Trustee, except as otherwise described
below. The amount of Distributions payable for any period is computed on the
basis of a 360-day year of twelve 30-day months. In the event that any date on
which Distributions are payable on the Preferred Securities is not a Business
Day (as defined below), then payment of the Distributions payable on such date
will be made on the next succeeding day that is a Business Day and without any
additional Distributions or other payment in respect of any such delay (each
date on which Distributions are payable in accordance with the foregoing, a
"Distribution Date"). A "Business Day" shall mean any day other than a
Saturday or a Sunday, or a day on which banking institutions in the City of
New York are authorized or required by law or executive order to remain closed
or a day on which the corporate trust office of the Property Trustee or the
Debenture Trustee is closed for business.
 
                                      18
<PAGE>
 
  So long as no Debenture Event of Default has occurred and is continuing,
Host Marriott has the right under the Indenture to defer the payment of
interest (including any Liquidated Damages) on the Debentures at any time or
from time to time for a period not exceeding 20 consecutive quarters with
respect to each deferral period (each an "Extension Period"), provided that no
Extension Period may extend beyond the stated maturity of the Debentures. As a
consequence of any such election, quarterly Distributions on the Preferred
Securities would be deferred by the Issuer during any such Extension Period.
Distributions to which holders of the Preferred Securities are entitled would
accumulate additional Distributions thereon at the rate per annum set forth
herein, compounded quarterly from the relevant payment date for such
Distributions. The term "Distributions" as used herein includes any such
additional Distributions. During any such Extension Period, Host Marriott may
not, and may not cause any of its subsidiaries to, (i) declare or pay any
dividends or distributions on, or redeem, purchase, acquire, or make a
liquidation payment with respect to, any of Host Marriott's capital stock, or
(ii) make any payment of principal, interest or premium, if any, on or repay,
repurchase or redeem any debt securities (including guarantees of indebtedness
for money borrowed) of Host Marriott that rank pari passu with or junior to
the Debentures (other than (a) any dividend, redemption, liquidation,
interest, principal or guarantee payment by Host Marriott where the payment is
made by way of securities (including capital stock) that rank pari passu with
or junior to the securities on which such dividend, redemption, interest,
principal or guarantee payment is being made, (b) redemptions or purchases of
any Rights pursuant to Host Marriott's Rights Agreement, or any successor to
such Rights Agreement, and the declaration of a dividend of such Rights or the
issuance of preferred stock under such plans in the future, (c) payments under
the Guarantee, (d) purchases of Host Marriott Common Stock related to the
issuance of Host Marriott Common Stock under any of Host Marriott's benefit
plans for its directors, officers or employees, (e) as a result of a
reclassification of Host Marriott's capital stock or the exchange or
conversion of one series or class of Host Marriott's capital stock for another
series or class of Host Marriott's capital stock, and (f) the purchase of
fractional interests in shares of Host Marriott's capital stock pursuant to
the conversion or exchange provisions of such capital stock or the security
being converted or exchanged). Prior to the termination of any such Extension
Period, Host Marriott may further extend the interest payment period, provided
that no Extension Period may exceed 20 consecutive quarters or extend beyond
the stated maturity of the Debentures. Upon the termination of any such
Extension Period and the payment of all amounts then due on any Interest
Payment Date, Host Marriott may elect to begin a new Extension Period. See
"Description of the Debentures--Option to Extend Interest Payment Period" and
"Certain Federal Income Tax Consequences--Original Issue Discount."
 
  Host Marriott has no current intention to exercise its right to defer
payments of interest by extending the interest payment period on the
Debentures.
 
  Distributions with respect to the Preferred Securities are made on the dates
payable to the extent that the Issuer has funds available for the payment of
such Distributions in the Property Account. The funds of the Issuer available
for distribution to holders of the Preferred Securities are limited to
payments under the Debentures in which the Issuer has invested the proceeds
from the issuance and sale of the Preferred Securities and the Common
Securities. See "Description of the Debentures." If Host Marriott does not
make interest payments on such Debentures, the Property Trustee would not have
funds available to pay Distributions on the Preferred Securities. The payment
of Distributions (if and to the extent the Issuer has funds on hand available
for the payment of such Distributions and cash sufficient to make such
payments) is guaranteed by Host Marriott on a limited basis as set forth
herein under "Description of the Guarantee." See "Description of the
Guarantees." The Guarantee, when taken together with the Company's obligations
under the Indenture, the Debenture and the Company's obligations under the
Trust Agreement (including the Company's obligation to pay costs, expenses
debts and liabilities of the Issuer (other than with regard to the Trust
Securities)), provide a full and unconditional guarantee of amounts due on the
Preferred Securities.
 
                                      19
<PAGE>
 
  Distributions on the Preferred Securities are payable to the holders thereof
as they appear on the register of the Issuer on the relevant record dates,
which are the fifteenth day (whether or not a Business Day) next preceding the
relevant distribution date. As long as the Preferred Securities remain in
book-entry form, subject to any applicable laws and regulations and the
provisions of the Trust Agreement, each such payment will be made as described
under "--Form, Transfer, Exchange and Book-Entry Procedures."
 
CONVERSION RIGHTS
 
 GENERAL
 
  The Preferred Securities are convertible at any time after issuance but
prior to the Conversion Expiration Date (as defined herein), at the option of
the holder thereof and in the manner described below, into shares of Host
Marriott Common Stock at an initial conversion rate of 2.6876 shares of Host
Marriott Common Stock for each Preferred Security (equivalent to a purchase
price of $18.604 per share of Host Marriott Common Stock), subject to
adjustment as described under "--Conversion Price Adjustments" below. Whenever
Host Marriott issues shares of Host Marriott Common Stock upon conversion of
Preferred Securities and Host Marriott has in effect at such time a share
purchase rights agreement under which holders of Host Marriott Common Stock
are issued rights entitling the holders under certain circumstances to
purchase an additional share or shares of Host Marriott Common Stock, Host
Marriott will issue, together with each such share of Host Marriott Common
Stock, an appropriate number of rights. For a description of Host Marriott's
existing shareholder rights agreement, see "Description of Host Marriott
Capital Stock--Rights and Junior Preferred Stock."
 
  A holder of Preferred Securities wishing to exercise its conversion right
shall surrender such Preferred Securities, together with an irrevocable
conversion notice to the Property Trustee, as conversion agent or to such
other agent appointed for such purpose (the "Conversion Agent"), which shall,
on behalf of such holder, exchange the Preferred Securities for a portion of
the Debentures and immediately convert such Debentures into Host Marriott
Common Stock. So long as a book-entry system for the Preferred Securities is
in effect, however, the procedures for converting the Preferred Stock that are
in the form of Global Certificates into shares of Common Stock will be as
described under "--Form, Transfer, Exchange and Book-Entry Procedures." Host
Marriott's delivery upon conversion of the fixed number of shares of Host
Marriott Common Stock into which the Debentures are convertible (together with
the cash payment, if any, in lieu of any fractional share) shall be deemed to
satisfy Host Marriott's obligation to pay the principal amount at maturity of
the portion of the Debentures so converted and any unpaid interest accrued on
such Debentures at the time of such conversion. For a discussion of the
taxation of such an exchange to holders, including the possibility that
holders who exchange their Preferred Securities for Host Marriott Common Stock
may be subject to additional income tax to the extent accrued but unpaid
interest on the Debentures is converted into Host Marriott Common Stock, see
"Certain Federal Income Tax Consequences--Conversion of Preferred Securities
into Host Marriott Common Stock." Holders may obtain copies of the required
form of the conversion notice from the Conversion Agent.
 
  Accrued Distributions will not be paid on Preferred Securities that are
converted, provided however, that holders of Preferred Securities at the close
of business on a Distribution payment record date will be entitled to receive
the Distribution payable on such Preferred Securities on the corresponding
Distribution payment date notwithstanding the conversion of such Preferred
Securities on or subsequent to such Distribution record date but prior to such
Distribution payment date. Except as provided in the immediately preceding
sentence, the Issuer will make no payment or allowance for accumulated and
unpaid Distributions, whether or not in arrears, on converted Preferred
Securities. Host Marriott will make no payment or allowance for dividends on
the shares of Host Marriott Common Stock issued upon such conversion. Each
conversion will be deemed to have been effected immediately prior to the close
of business on the day on which proper notice was received by the Conversion
Agent.
 
                                      20
<PAGE>
 
  Shares of Host Marriott Common Stock issued upon conversion of Preferred
Securities are validly issued, fully paid and non-assessable. No fractional
shares of Host Marriott Common Stock will be issued as a result of conversion,
but in lieu thereof such fractional interest will be paid in cash.
 
 EXPIRATION OF CONVERSION RIGHTS
 
  On and after December 2, 1999 Host Marriott may, at its option, cause the
conversion rights of holders of the Preferred Securities to expire. Host
Marriott may exercise this option only if for 20 trading days within any
period of 30 consecutive trading days, including the last trading day of such
period, the Current Market Price of Host Marriott Common Stock exceeds 120% of
the conversion price of the Preferred Securities, subject to adjustment in
certain circumstances. In order to exercise its option to terminate the
conversion rights of the Preferred Securities, Host Marriott must issue a
press release for publication on the Dow Jones News Service announcing the
Conversion Expiration Date prior to the opening of business on the second
trading day after any period in which the condition in the preceding sentence
has been met, but in no event prior to December 2, 1999. The press release
shall announce the Conversion Expiration Date and provide the current
conversion price and Current Market Price of Host Marriott Common Stock, in
each case as of the close of business on the trading day next preceding the
date of the press release. Conversion rights will terminate at the close of
business on the Conversion Expiration Date.
 
  Notice of the expiration of conversion rights will be given by Host Marriott
by first-class mail to the holders of the Preferred Securities not more than
four Business Days after Host Marriott issues the press release. The
Conversion Expiration Date will be a date selected by Host Marriott not less
than 30 nor more than 60 days after the date on which Host Marriott issues the
press release announcing its intention to terminate the conversion rights of
the Preferred Securities. In the event that Host Marriott does not exercise
its option to terminate the conversion rights of the Preferred Securities, the
Conversion Expiration Date with respect to the Preferred Securities will be
two Business Days preceding the date set for redemption of the Preferred
Securities.
 
  The term "Current Market Price" of Host Marriott Common Stock for any day
means the last reported sale price, regular way, on such day, or, if no sale
takes place on such day, the average of the reported closing bid and asked
prices on such day, regular way, in either case as reported on the NYSE
Composite Transactions Tape, or, if the Host Marriott Common Stock is not
listed or admitted to trading on the NYSE on such day, on the principal
national securities exchange on which the Host Marriott Common Stock is listed
or admitted to trading, if the Host Marriott Common Stock is listed on a
national securities exchange, or the Nasdaq National Market, or, if the Host
Marriott Common Stock is not quoted or admitted to trading on such quotation
system, on the principal quotation system on which the Host Marriott Common
Stock may be listed or admitted to trading or quoted, or, if not listed or
admitted to trading or quoted on any national securities exchange or quotation
system, the average of the closing bid and asked prices of the Host Marriott
Common Stock in the over-the-counter market on the day in question as reported
by the National Quotation Bureau Incorporated, or a similar generally accepted
reporting service, or, if not so available in such manner, as furnished by any
NYSE member firm selected from time to time by the Board of Directors of Host
Marriott for that purpose or, if not so available in such manner, as otherwise
determined in good faith by the Board of Directors of Host Marriott.
 
 CONVERSION PRICE ADJUSTMENTS
 
  GENERAL. The conversion price is subject to adjustment in certain events
including, without duplication: (i) the payment of dividends (and other
distributions) payable exclusively in Host Marriott Common Stock on Host
Marriott Common Stock; (ii) the issuance to all holders of Host Marriott
Common Stock of rights or warrants entitling holders of such rights or
warrants (for a period not exceeding 45 days) to subscribe for or purchase
Host Marriott Common Stock at less than the then Current Market Price; (iii)
subdivisions and combinations of Host Marriott Common Stock; (iv) the payment
of dividends (and other distributions) to all holders of Host Marriott Common
Stock consisting
 
                                      21
<PAGE>
 
of evidences of indebtedness of Host Marriott, securities or capital stock,
cash, or assets (including securities, but excluding those rights or warrants
referred to above in clause (ii) and dividends and distributions paid
exclusively in cash); (v) the payment of dividends (and other distributions)
on Host Marriott Common Stock paid exclusively in cash, excluding (A) cash
dividends that do not exceed the per share amount of the immediately preceding
regular cash dividend (as adjusted to reflect any of the events referred to in
clauses (i) through (vi) of this sentence), and (B) cash dividends if the
annualized per share amount thereof does not exceed 12.5% of the last sale
price of Host Marriott Common Stock, as reported on the NYSE Consolidated
Transactions Tape, on the trading day immediately preceding the date of
declaration of such dividend (such adjustment being limited to the amount in
excess of 12.5% of such Current Market Price); and (vi) payment in respect of
a tender or exchange offer (other than an odd-lot offer) by Host Marriott or
any subsidiary of Host Marriott for Host Marriott Common Stock in excess of
110% of the Current Market Price of Host Marriott Common Stock on the trading
day next succeeding the last date tenders or exchanges may be made pursuant to
such tender or exchange offer.
 
  If the distribution date for the Rights of Host Marriott provided in the
Rights Agreement, as presently constituted or under any similar plan (see
"Description of Host Marriott Capital Stock-- Rights and Junior Preferred
Stock"), occurs prior to the date a Preferred Security is converted, holders
of the Preferred Securities who convert such Preferred Securities after the
distribution date are not entitled to receive the Rights that would otherwise
be attached (but for the date of conversion) to the shares of Host Marriott
Common Stock received upon such conversion. However, adjustment of the
conversion price shall be made under clause (ii) of the preceding paragraph as
if the Rights were being distributed to the common stockholders of Host
Marriott immediately prior to such conversion. If such an adjustment is made
and the Rights are later redeemed, invalidated or terminated, then a
corresponding reversing adjustment shall be made to the conversion price, on
an equitable basis, to take account of such event.
 
  Host Marriott from time to time may reduce the conversion price of the
Debentures (and thus the conversion price of the Preferred Securities) by any
amount selected by Host Marriott for any period of at least 30 days, in which
case Host Marriott shall give at least 15 days' notice of such reduction. Host
Marriott may, at its option, make such reductions in the conversion price, in
addition to those set forth above, as the Board of Directors of Host Marriott
deems advisable to avoid or diminish any income tax to holders of Host
Marriott Common Stock resulting from any dividend or distribution of stock (or
rights to acquire stock) or from any event treated as such for income tax
purposes. See "Certain Federal Income Tax Consequences--Adjustment of
Conversion Price."
 
  No adjustment of the conversion price will be made upon the issuance of any
shares of Host Marriott Common Stock pursuant to any present or future plan
providing for the reinvestment of dividends or interest payable on securities
of Host Marriott and the investment of additional optional amounts in shares
of Host Marriott Common Stock under any such plan, or the issuance of any
shares of Host Marriott Common Stock or options or rights to purchase such
shares pursuant to any present or future employee benefit plan or program of
Host Marriott or pursuant to any option, warrant, right, or exercisable,
exchangeable or convertible security which does not constitute an issuance to
all holders of Host Marriott Common Stock of rights or warrants entitling
holders of such rights or warrants to subscribe for or purchase Host Marriott
Common Stock at less than the Current Market Price. There shall also be no
adjustment of the conversion price in case of the issuance of any Host
Marriott Common Stock (or securities convertible into or exchangeable for Host
Marriott Common Stock), except as specifically described above. If any action
would require adjustment of the conversion price pursuant to more than one of
the anti-dilution provisions, only one adjustment shall be made and such
adjustment shall be the amount of adjustment that has the highest absolute
value to holders of the Preferred Securities. No adjustment in the conversion
price will be required unless such adjustment
 
                                      22
<PAGE>
 
would require an increase or decrease of at least 1% of the conversion price,
but any adjustment that would otherwise be required to be made shall be
carried forward and taken into account in any subsequent adjustment.
 
  MERGER, CONSOLIDATION OR SALE OF ASSETS OF HOST MARRIOTT. In the event that
Host Marriott is a party to any transaction (including, without limitation, a
merger other than a merger that does not result in a reclassification,
conversion, exchange or cancellation of Host Marriott Common Stock),
consolidation, sale of all or substantially all of the assets of Host
Marriott, recapitalization or reclassification of Host Marriott Common Stock
(other than a change in par value, or from par value to no par value, or from
no par value to par value or as a result of a subdivision or combination of
Host Marriott Common Stock) or any compulsory share exchange (each of the
foregoing being referred to as a "Transaction"), in each case, as a result of
which shares of Host Marriott Common Stock shall be converted into the right
to receive, or shall be exchanged for, (i) in the case of any Transaction
other than a Transaction involving a Common Stock Fundamental Change (as
defined below) (and subject to funds being legally available for such purpose
under applicable law at the time of such conversion), securities, cash or
other property, each Preferred Security shall thereafter be convertible into
the kind and, in the case of a Transaction which does not involve a
Fundamental Change (as defined below), amount of securities, cash and other
property receivable upon the consummation of such Transaction by a holder of
that number of shares of Host Marriott Common Stock into which a Preferred
Security was convertible immediately prior to such Transaction, or (ii) in the
case of a Transaction involving a Common Stock Fundamental Change, common
stock, each Preferred Security shall thereafter be convertible (in the manner
described herein) into common stock of the kind received by holders of Host
Marriott Common Stock (but in each case after giving effect to any adjustment
discussed below relating to a Fundamental Change if such Transaction
constitutes a Fundamental Change. The holders of Preferred Securities will
have no voting rights with respect to any Transaction described in this
section.
 
  If any Fundamental Change occurs, then the conversion price in effect will
be adjusted immediately after such Fundamental Change as described below. In
addition, in the event of a Common Stock Fundamental Change, each Preferred
Security shall be convertible solely into common stock of the kind received by
holders of Host Marriott Common Stock as a result of such Common Stock
Fundamental Change.
 
  The conversion price in the case of any Transaction involving a Fundamental
Change will be adjusted immediately after such Fundamental Change:
 
    (i) in the case of a Non-Stock Fundamental Change (as defined below), the
  conversion price of the Preferred Securities will thereupon become the
  lower of (A) the conversion price in effect immediately prior to such Non-
  Stock Fundamental Change, but after giving effect to any other prior
  adjustments effected pursuant to the preceding paragraphs, and (B) the
  result obtained by multiplying the greater of the Applicable Price (as
  defined below) or the then applicable Reference Market Price (as defined
  below) by a fraction, the numerator of which is $50 and the denominator of
  which is (x) the amount of the redemption price for Preferred Security if
  the redemption date were the date of such Non-Stock Fundamental Change (or,
  for the period commencing on the first date of original issuance of the
  Preferred Securities and through December 1, 1997, and the twelve-month
  periods commencing December 2, 1997 and December 2, 1998, the product of
  106.75, 106.075 and 105.400, respectively, multiplied by $50) plus (y) any
  then-accrued and unpaid distributions on one Preferred Security; and
 
    (ii) in the case of a Common Stock Fundamental Change, the conversion
  price of the Preferred Securities in effect immediately prior to such
  Common Stock Fundamental Change, but after giving effect to any other prior
  adjustments effected pursuant to the preceeding paragraphs, will thereupon
  be adjusted by multiplying such conversion price by a fraction of which the
  numerator will be the Purchaser Stock Price (as defined below) and the
  denominator will be the
 
                                      23
<PAGE>
 
  Applicable Price; provided, however, that in the event of a Common Stock
  Fundamental Change in which (A) 100% of the value of the consideration
  received by a holder of Host Marriott Common Stock is common stock of the
  successor, acquiror, or other third party (and cash, if any, is paid only
  with respect to any fractional interests in such common stock resulting
  from such Common Stock Fundamental Change) and (B) all Host Marriott Common
  Stock will have been exchanged for, converted into, or acquired for common
  stock (and cash with respect to fractional interests) of the successor,
  acquiror, or other third party, the conversion price of the Preferred
  Securities in effect immediately prior to such Common Stock Fundamental
  Change will thereupon be adjusted by multiplying such conversion price by a
  fraction of which the numerator will be one and the denominator will be the
  number of shares of common stock of the successor, acquiror, or other third
  party received by a holder of one share of Host Marriott Common Stock as a
  result of such Common Stock Fundamental Change.
 
  In the absence of the Fundamental Change provisions, in the case of a
Transaction each Preferred Security would become convertible into the
securities, cash, or property receivable by a holder of the number of shares
of Host Marriott Common Stock into which such Preferred Security was
convertible immediately prior to such Transaction. A failure to apply the
Fundamental Change conversion price adjustments described above could
substantially lessen or eliminate the value of the conversion privilege
associated with the Preferred Securities. For example, if Host Marriott were
acquired in a cash merger, each Preferred Security would become convertible
solely into cash and would no longer be convertible into securities whose
value would vary depending on the future prospects of Host Marriott and other
factors.
 
  The foregoing conversion price adjustments are designed, in certain
circumstances, to reduce the conversion price that would be applicable in
"Fundamental Change" Transactions where all or substantially all the Host
Marriott Common Stock is converted into securities, cash, or property and not
more than 50% of the value received by the holders of Host Marriott Common
Stock consists of stock listed or admitted for listing subject to notice of
issuance on the NYSE or a national securities exchange or quoted on the Nasdaq
National Market (a Non-Stock Fundamental Change, as defined below). Such
reduction would result in an increase in the amount of the securities, cash,
or property into which each Preferred Security is convertible over that which
would have been obtained in the absence of such conversion price adjustments.
 
  In a Non-Stock Fundamental Change Transaction where the initial value
received per share of Host Marriott Common Stock (measured as described in the
definition of Applicable Price below) is lower than the then applicable
conversion price of a Preferred Security but greater than or equal to the
"Reference Market Price", the conversion price will be adjusted as described
above with the effect that each Preferred Security will be convertible into
securities, cash or property of the same type received by the holders of Host
Marriott Common Stock in the Transaction but in an amount per Preferred
Security that would at the time of the Transaction have had a value equal to
the then applicable redemption price per Preferred Security set forth below
under "--Optional Redemption" (or, for periods prior to the date on and after
which Host Marriott may cause the conversion rights of holders of Preferred
Securities to expire.
 
  In a Non-Stock Fundamental Change Transaction where the initial value
received per share of Host Marriott Common Stock (measured as described in the
definition of Applicable Price) is lower than both the conversion price of a
Preferred Security in effect prior to any adjustment described above and the
Reference Market Price, the conversion price will be adjusted as described
above but calculated as though such initial value had been the Reference
Market Price.
 
  In a Fundamental Change Transaction where all or substantially all the Host
Marriott Common Stock is converted into securities, cash, or property and more
than 50% of the value received by the holders of Host Marriott Common Stock
consists of listed or Nasdaq National Market traded common
 
                                      24
<PAGE>
 
stock (a Common Stock Fundamental Change, as defined below), the foregoing
adjustments are designed to provide in effect that (a) where Host Marriott
Common Stock is converted partly into such common stock and partly into other
securities, cash, or property, each Preferred Security will be convertible
solely into a number of shares of such common stock determined so that the
initial value of such shares (measured as described in the definition of
"Purchaser Stock Price" below) equals the value of the shares of Host Marriott
Common Stock into which such Preferred Security was convertible immediately
before the Transaction (measured as aforesaid) and (b) where Host Marriott
Common Stock is converted solely into such common stock, each Preferred
Security will be convertible into the same number of shares of such common
stock receivable by a holder of the number of shares of Host Marriott Common
Stock into which such Preferred Security was convertible immediately before
such Transaction.
 
  The term "Applicable Price" means (i) in the case of a Non-Stock Fundamental
Change in which the holders of the Host Marriott Common Stock receive only
cash, the amount of cash received by the holder of one share of Host Marriott
Common Stock and (ii) in the event of any other Non-Stock Fundamental Change
or any Common Stock Fundamental Change, the average of the Closing Prices (as
defined below) for the Host Marriott Common Stock during the ten trading days
prior to the record date for the determination of the holders of Host Marriott
Common Stock entitled to receive such securities, cash, or other property in
connection with such Non-Stock Fundamental Change or Common Stock Fundamental
Change or, if there is no such record date, the date upon which the holders of
the Host Marriott Common Stock shall have the right to receive such
securities, cash, or other property (such record date or distribution date
being hereinafter referred to as the "Entitlement Date"), in each case as
adjusted in good faith by Host Marriott to appropriately reflect any of the
events referred to in clauses (i) through (vi) of the first paragraph under
"--Conversion Price Adjustments--General."
 
  The term "Closing Price" means on any day the reported last sale price on
such day or in case no sale takes place on such day, the average of the
reported closing bid and asked prices in each case on the NYSE Consolidated
Transactions Tape or, if the stock is not listed or admitted to trading on the
NYSE, on the principal national securities exchange on which such stock is
listed or admitted to trading or, if not listed or admitted to trading on any
national securities exchange, the average of the closing bid and asked prices
as furnished by any NYSE member firm, selected by the Debenture Trustee for
that purpose.
 
  The term "Common Stock Fundamental Change" means any Fundamental Change in
which more than 50% of the value (as determined in good faith by the Board of
Directors of Host Marriott) of the consideration received by holders of Host
Marriott Common Stock consists of common stock that for each of the ten
consecutive trading days prior to the Entitlement Date has been admitted for
listing or admitted for listing subject to notice of issuance on a national
securities exchange or quoted on the Nasdaq National Market; provided,
however, that a Fundamental Change shall not be a Common Stock Fundamental
Change unless either (i) Host Marriott continues to exist after the occurrence
of such Fundamental Change and the outstanding Preferred Securities continue
to exist as outstanding Preferred Securities or (ii) not later than the
occurrence of such Fundamental Change, the outstanding Preferred Securities
are converted into or exchanged for shares of convertible preferred stock of
an entity succeeding to the business of Host Marriott or a subsidiary thereof,
which convertible preferred stock has powers, preferences, and relative,
participating, optional, or other rights, and qualifications, limitations, and
restrictions, substantially similar to those of the Preferred Securities.
 
  The term "Fundamental Change" means the occurrence of any Transaction or
event in connection with a plan pursuant to which all or substantially all of
the Host Marriott Common Stock shall be exchanged for, converted into,
acquired for, or constitute solely the right to receive securities, cash, or
other property (whether by means of an exchange offer, liquidation, tender
offer, consolidation, merger, combination, reclassification, recapitalization,
or otherwise), provided, that, in the case of a plan
 
                                      25
<PAGE>
 
involving more than one such Transaction or event, for purposes of adjustment
of the conversion price, such Fundamental Change shall be deemed to have
occurred when substantially all of the Host Marriott Common Stock shall be
exchanged for, converted into, or acquired for or constitute solely the right
to receive securities, cash, or other property, but the adjustment shall be
based upon the consideration that a holder of Host Marriott Common Stock
received in such Transaction or event as a result of which more than 50% of
the Host Marriott Common Stock shall have been exchanged for, converted into,
or acquired for or constitute solely the right to receive securities, cash, or
other property.
 
  The term "Non-Stock Fundamental Change" means any Fundamental Change other
than a Common Stock Fundamental Change.
 
  The term "Purchaser Stock Price" means, with respect to any Common Stock
Fundamental Change, the average of the Closing Prices for the common stock
received in such Common Stock Fundamental Change for the ten consecutive
trading days prior to and including the Entitlement Date, as adjusted in good
faith by Host Marriott to appropriately reflect any of the events referred to
in clauses (i) through (vi) of the first paragraph under "--Conversion Price
Adjustments--General."
 
  The term "Reference Market Price" shall initially mean $10.083 (which is an
amount equal to 66 2/3% of the reported last sales price for Host Marriott
Common Stock on the NYSE Corporate Tape on November 25, 1996) and in the event
of any adjustment of the conversion price other than as a result of a Non-
Stock Fundamental Change, the Reference Market Price shall also be adjusted so
that the ratio of the Reference Market Price to the conversion price after
giving effect to any such adjustment shall always be the same as the ratio of
the initial Reference Market Price to the initial conversion price of the
Preferred Securities.
 
SPECIAL EVENT EXCHANGE OR REDEMPTION
 
  At any time following the occurrence and the continuation of a Tax Event or
an Investment Company Event, the Issuer Trustees shall direct the Conversion
Agent to exchange all outstanding Preferred Securities for Debentures,
provided that, in the case of a Tax Event, Host Marriott shall have the right
to (a) direct that less than all, or none, of the Preferred Securities be so
exchanged if and for so long as Host Marriott shall have elected to pay any
Additional Sums (as defined below) such that the net amounts received by the
holders of Preferred Securities not so exchanged in respect of Distributions
and other distributions are not reduced as a result of such Tax Event, and
shall not have revoked any such election or failed to make such payments or
(b) redeem the Preferred Securities in the manner set forth below.
 
  If, a Tax Event shall occur or be continuing, Host Marriott shall have the
right, upon not less than 30 nor more than 60 days' notice, to redeem the
Debentures, in whole or in part, for cash upon the later of (i) 90 days
following the occurrence of such Tax Event or (ii) December 2, 1999. Promptly
following such redemption, Preferred Securities and Common Securities with an
aggregate liquidation amount equal to the aggregate principal amount of the
Debentures so redeemed will be redeemed by the Issuer at the liquidation
amount thereof plus accrued and unpaid Distributions thereon to the redemption
date on a pro rata basis. The Common Securities will be redeemed on a pro rata
basis with the Preferred Securities, except that if a Declaration Event of
Default has occurred and is continuing, the Preferred Securities will have a
priority over the Common Securities with respect to the Redemption Price.
 
  A "Special Event" means a Tax Event or an Investment Company Event. A "Tax
Event" means the receipt by the Property Trustee, on behalf of the Issuer, of
an opinion of counsel, rendered by a law firm having a national tax and
securities practice (which opinion shall not have been rescinded by such law
firm), to the effect that, as a result of any amendment to, or change
(including any announced
 
                                      26
<PAGE>
 
prospective change) in, the laws (or any regulations thereunder) of the United
States or any political subdivision or taxing authority thereof or therein
affecting taxation, or as a result of any official administrative
pronouncement or judicial decision interpreting or applying such laws or
regulations, which amendment or change is effective or such pronouncement or
decision is announced on or after the date of issuance of the Preferred
Securities under the Trust Agreement, there is more than an insubstantial risk
in each case after the date hereof that (i) the Issuer is, or will be within
90 days of the date thereof, subject to United States Federal income tax with
respect to income received or accrued on the Debentures, (ii) interest payable
by Host Marriott on such Debentures is not, or within 90 days of the date
thereof will not be, deductible by Host Marriott, in whole or in part, for
United States Federal income tax purposes; or (iii) the Issuer is, or will be
within 90 days of the date thereof, subject to more than a de minimis amount
of other taxes, duties or other governmental charges. "Investment Company
Event" means the receipt by the Property Trustee, on behalf of the Issuer, of
an opinion of counsel, rendered by a law firm having a recognized national tax
and securities practice (which opinion shall not have been rescinded by such
law firm), to the effect that, as a result of the occurrence of a change in
law or regulation or a change in interpretation or application of law or
regulation by any legislative body, court, governmental agency or regulatory
authority (a "Change in 1940 Act Law"), that there is more than an
insubstantial risk that the Issuer is or will be considered an "investment
company" that is required to be registered under the Investment Company Act of
1940, as amended (the "Investment Company Act"), which Change in 1940 Act Law
becomes effective on or after the date of original issuance of the Preferred
Securities.
 
  As a part of President Clinton's Fiscal 1998 Budget Proposal, the Treasury
Department has proposed legislation that, among other things, would treat as
equity for United States Federal income tax purposes certain debt instruments
with a maximum term of more than 15 years that are not shown as indebtedness
on the separate balance sheet of the Issuer. President Clinton's Budget
Proposal, in its current form, would be effective generally for instruments
issued on or after the date of first committee action on the proposal and
therefore would not apply to the Preferred Securities. Nevertheless, there can
be no assurance that future legislation would not have a retroactive effective
date and that any such future legislation would not prevent Host Marriott from
deducting interest on the Debentures. This would constitute a Tax Event and
would permit the Issuer to exchange the Preferred Securities, in whole or in
part, for the Debentures or redeem, in whole or in part, the Preferred
Securities and corresponding Debentures.
 
  "Additional Sums" means the additional amounts as may be necessary in order
that the amount of Distributions then due and payable by the Issuer on the
outstanding Preferred Securities and Common Securities of the Issuer shall not
be reduced as a result of any additional taxes, duties and other governmental
charges to which the Issuer has become subject as a result of a Tax Event.
 
  Holders of Preferred Securities, by purchasing such Preferred Securities,
will be deemed to have agreed to be bound by these exchange provisions in
regard to the exchange of such Preferred Securities for Debentures on the
terms described above.
 
DISTRIBUTION OF DEBENTURES
 
  At any time, Host Marriott will have the right to terminate the Issuer and,
after satisfaction of the liabilities of creditors of the Issuer as provided
by applicable law, cause the Debentures to be distributed to the holders of
the Preferred Securities in liquidation of the Issuer. Under current United
States Federal income tax law and interpretations and assuming, as expected,
the Issuer is treated as a grantor trust, a distribution of the Debentures
should not be a taxable event to the Issuer and holders of the Preferred
Securities. Should there be a change in law, a change in legal interpretation
or a Special Event however, the distribution could be a taxable event to
holders of the Preferred Securities. See "Certain Federal Income Tax
Consequences--Redemption of Preferred Securities for Debentures or Cash."
 
                                      27
<PAGE>
 
  After the liquidation date fixed for any distribution of Debentures for
Preferred Securities (i) such Preferred Securities will no longer be deemed to
be outstanding, (ii) DTC or its nominee, as the record holder of such
Preferred Securities, will receive a registered global certificate or
certificates representing the Debentures to be delivered upon such
distribution and (iii) any certificates representing such Preferred Securities
not held by DTC or its nominee will be deemed to represent the Debentures
having a principal amount equal to the liquidation amount of such Preferred
Securities, and bearing accrued and unpaid interest in an amount equal to the
accrued and unpaid Distributions on such Preferred Securities until such
certificates are presented to the Property Trustee for transfer or reissuance.
 
  For a discussion of certain possible events that could result in such a
termination of the Issuer and a distribution of the Debentures, see "Host
Marriott Financial Trust."
 
OPTIONAL REDEMPTION
 
  Except as provided under "--Mandatory Redemption" below, the Preferred
Securities may not be redeemed by the Issuer prior to December 2, 1999.
 
  On and after such date, upon any permitted redemption by Host Marriott of
Debentures, the Preferred Securities are subject to redemption, in whole or in
part, at the following percentages of the liquidation preference thereof plus
accrued and unpaid Distributions, if any, to the date fixed for redemption if
redeemed during the twelve-month period commencing December 2 in each of the
following years indicated:
 
<TABLE>
<CAPTION>
                        REDEMPTION
YEAR                      PRICE
- ----                    ----------
<S>                     <C>
1999...................  104.725%
2000...................  104.050%
2001...................  103.375%
2002...................  102.700%
</TABLE>
<TABLE>
<CAPTION>
                        REDEMPTION
YEAR                      PRICE
- ----                    ----------
<S>                     <C>
2003...................  102.025%
2004...................  101.350%
2005...................  100.675%
2006 and thereafter....  100.000%
</TABLE>
 
  The aggregate liquidation preference of the Preferred Securities and Common
Securities so redeemed will equal the aggregate principal amount of Debentures
redeemed by Host Marriott, which may not exceed the amount of the proceeds
derived, directly or indirectly, by Host Marriott or its subsidiaries from the
issuance and sale of common stock within two years preceding the date fixed
for redemption. The Issuer may not redeem the Preferred Securities in part
unless all accrued and unpaid Distributions have been paid in full on all
outstanding Preferred Securities. If fewer than all the outstanding Preferred
Securities are to be redeemed, the Preferred Securities to be so redeemed will
be selected as described under "--Form, Transfer, Exchange and Book-Entry
Procedures."
 
  In the event Host Marriott redeems the Debentures in certain circumstances
upon the occurrence of a Tax Event as described under "--Special Event
Exchange or Redemption," the appropriate amount of the Preferred Securities
will be redeemed at 100% of the principal amount thereof together with accrued
and unpaid Distributions to the redemption date.
 
  If at any time following the Conversion Expiration Date, less than 5% of the
Preferred Securities offered hereby remain outstanding, such Preferred
Securities shall be redeemable at the option of the Issuer, in whole but not
in part, at a redemption price of $50 per Preferred Security, and all accrued
and unpaid Distributions.
 
MANDATORY REDEMPTION
 
  Upon repayment at maturity or as a result of the acceleration of the
Debentures upon the occurrence of a "Debenture Event of Default" described
under "Description of the Debentures--Debenture Events of Default," the
Debentures shall be subject to mandatory redemption, in whole but not in part,
by Host Marriott, and the proceeds from such repayment will be applied to
redeem
 
                                      28
<PAGE>
 
Preferred Securities and Common Securities having an aggregate liquidation
amount equal to the aggregate principal amount of Debentures so repaid or
redeemed at a redemption price equal to the respective liquidation amount of
the Preferred Securities and Common Securities or, in the case of a redemption
of the Debentures, at the redemption price paid with respect to the
Debentures, as described below, together with accrued and unpaid distributions
on the Preferred Securities and Common Securities to the date of redemption.
In the case of acceleration of the Debentures, the Preferred Securities will
be redeemed only when repayment of the Debentures has actually been received
by the Issuer. In addition, as described above under "--Special Event Exchange
or Redemption," upon the occurrence of a Special Event, Preferred Securities
shall be exchanged for Debentures unless, in the case of a Tax Event, Host
Marriott shall have elected to (a) pay any Additional Sums such that the net
amounts of Distributions received by the holders of any Preferred Securities
not so exchanged are not reduced as a result of such Tax Event and shall not
have revoked any such election or failed to make such payments or (b) redeem
the Preferred Securities as further set forth in "Special Event Exchange or
Redemption."
 
REDEMPTION PROCEDURES
 
  Preferred Securities redeemed on the date fixed for redemption shall be
redeemed at the redemption price with the applicable proceeds from the
contemporaneous redemption of the Debentures. Redemptions of the Preferred
Securities shall be made and the redemption price shall be payable on the
redemption date only to the extent that the Issuer has funds on hand available
for the payment of such redemption price. See also "--Subordination of Common
Securities."
 
  Notice of any redemption (optional or mandatory) of Preferred Securities
(which notice will be irrevocable) will be given by the Property Trustee to
each record holder of Preferred Securities that are being redeemed not fewer
than 30 nor more than 60 days prior to the redemption date. If the Property
Trustee gives a notice of redemption in respect of the Preferred Securities,
then, by 12:00 noon, New York City time, on the redemption date, to the extent
funds are available, the Property Trustee will deposit irrevocably with DTC or
the Conversion Agent, as the case may be, funds sufficient to pay the
applicable redemption price and will give DTC or the Conversion Agent, as the
case may be, irrevocable instructions and authority to pay the redemption
price to the holders of such Preferred Securities. See "--Form, Transfer,
Exchange and Book-Entry Procedures." If such Preferred Securities are no
longer in book-entry form, the Property Trustee, to the extent funds are
available, will irrevocably deposit with the Paying Agent funds sufficient to
pay the applicable redemption price and will give the Paying Agent irrevocable
instructions and authority to pay the redemption price to the holders thereof
upon surrender of their certificates evidencing such Preferred Securities.
Notwithstanding the foregoing, Distributions payable on or prior to the
redemption date for any Preferred Securities called for redemption shall be
payable to the holders of such Preferred Securities as of the relevant record
dates for the related distribution dates. If notice of redemption shall have
been given and funds deposited as required, then upon the date of such
deposit, all rights of the holders of such Preferred Securities so called for
redemption will cease, except the right of the holders of such Preferred
Securities to receive the redemption price, but without interest on such
redemption price, and such Preferred Securities will cease to be outstanding.
In the event that any date fixed for redemption of Preferred Securities is not
a Business Day, then payment of the redemption price on such date will be made
on the next succeeding day which is a Business Day (and without any interest
or other payment in respect of any such delay), except that, if such Business
Day falls in the next calendar year, such payment will be made on the
immediately preceding Business Day. In the event that payment of the
redemption price in respect of Preferred Securities called for redemption is
improperly withheld or refused and not paid either by the Issuer or by Host
Marriott pursuant to the Guarantee as described under "Description of the
Guarantee," Distributions on such Preferred Securities will continue to accrue
at the then applicable rate, from the redemption date originally established
by the Issuer to the date such redemption price is actually paid, in which
case the actual payment date will be the date fixed for redemption for
purposes of calculating the redemption price.
 
                                      29
<PAGE>
 
  Subject to applicable law (including, without limitation, United States
Federal securities law), Host Marriott or its subsidiaries may at any time and
from time to time purchase outstanding Preferred Securities by tender, in the
open market or by private agreement.
 
  Payment of the redemption price on the Preferred Securities and any
distribution or exchange of Debentures to holders of Preferred Securities
shall be made to the applicable record holders thereof as they appear on the
register for such Preferred Securities on the relevant record date, which
shall be the fifteenth day (whether or not a Business Day) prior to the
redemption date or liquidation date, as applicable.
 
  If less than all of the Preferred Securities and Common Securities listed by
the Issuer are to be redeemed on a redemption date, then the aggregate
liquidation amount of such Preferred Securities and Common Securities to be
redeemed shall be allocated pro rata among the Preferred Securities and the
Common Securities. The particular Preferred Securities to be redeemed shall be
selected not more than 60 days prior to the redemption date by the Property
Trustee from the outstanding Preferred Securities not previously called for
redemption, by lot or by such method as the Property Trustee shall deem fair
and appropriate and which may provide for the selection for redemption of
portions (equal to $50 or an integral multiple of $50 in excess thereof) of
the liquidation amount of the Preferred Securities. The Property Trustee shall
promptly notify the Conversion Agent in writing of the Preferred Securities
selected for redemption and, in the case of any Preferred Securities selected
for partial redemption, the liquidation amount thereof to be redeemed; it
being understood that, in the case of Preferred Securities held by DTC (or any
successor) or its nominee, the distribution of the proceeds of such redemption
will be made in accordance with the procedures of DTC or its nominee. For all
purposes of the Trust Agreement, unless the context otherwise requires, all
provisions relating to the redemption of Preferred Securities shall relate, in
the case of any Preferred Securities redeemed or to be redeemed only in part,
to the portion of the aggregate liquidation amount of Preferred Securities
which has been or is to be redeemed.
 
  Notice of any redemption of Debentures will be mailed at least 30 days but
not more than 60 days before the redemption date to each holder of Debentures
to be redeemed at its registered address. Unless Host Marriott defaults in
payment of the redemption price, on and after the redemption date interest
ceases to accrue on such Debentures or portions thereof called for redemption.
 
SUBORDINATION OF COMMON SECURITIES
 
  Payment of Distributions on, and the redemption price of, the Preferred
Securities and Common Securities, as applicable, shall be made pro rata based
on the liquidation amount of such Preferred Securities and Common Securities;
provided, however, that if on any distribution date or redemption date a
Declaration Event of Default shall have occurred and be continuing, no payment
of any Distribution on, or redemption price of, any of the Common Securities,
and no other payment on account of the redemption, liquidation or other
acquisition of such Common Securities, shall be made unless payment in full in
cash of all accumulated and unpaid Distributions on all of the outstanding
Preferred Securities for all Distribution periods terminating on or prior
thereto, or in the case of payment of the redemption price the full amount of
such redemption price on all of the outstanding Preferred Securities then
called for redemption, shall have been made or provided for, and all funds
available to the Property Trustee shall first be applied to the payment in
full in cash of all Distributions on, or redemption price of, the Preferred
Securities then due and payable.
 
  In the case of any Declaration Event of Default, Host Marriott as holder of
the Common Securities will be deemed to have waived any right to act with
respect to any such Declaration Event of Default until all such Declaration
Events of Default with respect to the Preferred Securities have been cured,
waived or otherwise eliminated. Until any such Declaration Events of Default
with respect to the Preferred Securities have been so cured, waived or
otherwise eliminated, the Property Trustee shall act solely on behalf of the
holders of the Preferred Securities and not on behalf of Host Marriott as
holder of the Common Securities, and only the holders of the Preferred
Securities will have the right to direct the Property Trustee to act on their
behalf.
 
                                      30
<PAGE>
 
LIQUIDATION DISTRIBUTION UPON TERMINATION
 
  In the event of any voluntary or involuntary liquidation, termination,
dissolution or winding up of the Issuer (each, a "Liquidation"), the holders
of the Preferred Securities at that time will be entitled to receive out of
the assets of the Issuer, after satisfaction of liabilities to creditors,
distributions in an amount equal to the aggregate of the stated liquidation
amount of $50 per Preferred Security plus accrued and unpaid Distributions
thereon to the date of payment (the "Liquidation Distribution"), unless, in
connection with such Liquidation, Debentures in an aggregate principal amount
equal to the aggregate stated liquidation amount of, with an interest rate
identical to the distribution rate of, and accrued and unpaid interest equal
to accrued and unpaid Distributions on, the Preferred Securities, have been
distributed on a pro rata basis to the holders of Preferred Securities in
exchange for such Preferred Securities. See "--Distribution of Debentures."
 
  If such Liquidation Distribution can be paid only in part because the Issuer
has insufficient assets available to pay in full the aggregate Liquidation
Distribution, then the amounts payable directly by the Issuer on the Preferred
Securities shall be paid on a pro rata basis. The holder(s) of the Common
Securities will be entitled to receive Liquidation Distributions upon any such
liquidation pro rata with the holders of the Preferred Securities, except that
if a Debenture Event of Default has occurred and is continuing, the Preferred
Securities shall have a priority over the Common Securities.
 
  Pursuant to the Trust Agreement, the Issuer shall automatically terminate
upon expiration of its term and shall terminate on the first to occur of: (i)
certain events of bankruptcy, dissolution or liquidation of Host Marriott;
(ii) the distribution of Debentures to the holders of the Preferred Securities
and Common Securities, if Host Marriott, as Depositor, has given written
direction to the Property Trustee to terminate the Issuer (which direction is
optional and wholly within the discretion of Host Marriott, as Depositor);
(iii) the redemption, conversion, or exchange of all of the Preferred
Securities and Common Securities; (iv) the entry by a court of competent
jurisdiction of an order for the dissolution of the Issuer; and (v) the
occurrence of a Special Event except in the case of a Tax Event following
which Host Marriott has elected to pay any Additional Sums such that the net
amount received by holders of Preferred Securities in respect of Distributions
is not reduced as a result of such Tax Event and Host Marriott has not revoked
any such election or failed to make such payment.
 
DECLARATION EVENTS OF DEFAULT; NOTICE
 
  An event of default under the Indenture (a "Debenture Event of Default")
constitutes an event of default under the Trust Agreement with respect to the
Preferred Securities and the Common Securities (a "Declaration Event of
Default"), whatever the reason for such Debenture Event of Default and whether
it shall be voluntary or involuntary or be effected by operation of law or
pursuant to any judgment, decree or order of any court or any order, rule or
regulation of any administrative or governmental body.
 
  Within ten days after the occurrence of any Declaration Event of Default
actually known to the Property Trustee, the Property Trustee shall transmit
notice of such Declaration Event of Default to the holders of the Preferred
Securities, the Administrative Trustees and Host Marriott, as Depositor,
unless such Declaration Event of Default shall have been cured or waived. Host
Marriott, as Depositor, and the Administrative Trustees, on behalf of the
Issuer, are required to file annually with the Property Trustee a certificate
as to whether or not they are in compliance with all the conditions and
covenants applicable to them under the Trust Agreement.
 
  If a Declaration Event of Default has occurred and is continuing, the
Preferred Securities shall have a preference over the Common Securities upon
termination of the Issuer as described above. See "--Liquidation Distribution
Upon Termination." The existence of a Declaration Event of Default does not
entitle the holders of Preferred Securities to accelerate the maturity
thereof.
 
                                      31
<PAGE>
 
ENFORCEMENT OF CERTAIN RIGHTS BY HOLDERS OF PREFERRED SECURITIES
 
  If a Declaration Event of Default has occurred and is continuing, then the
holders of Preferred Securities would rely on the enforcement by the Property
Trustee of its rights as a holder of the Debentures against Host Marriott. In
addition, the holders of a majority in aggregate liquidation amount of the
Preferred Securities will have the right to direct the time, method and place
of conducting any proceeding for any remedy available to the Property Trustee
or to direct the exercise of any trust or power conferred upon the Property
Trustee under the Trust Agreement, including the right to direct the Property
Trustee to exercise the remedies available to it as a holder of the
Debentures. If the Property Trustee fails to enforce its rights as holder of
the Debentures after a request therefor by a holder of Preferred Securities,
such holder may proceed to enforce such rights directly against Host Marriott.
Notwithstanding the foregoing, if a Declaration Event of Default has occurred
and is continuing and such event is attributable to the failure of Host
Marriott to pay interest or principal on the Debentures on the date such
interest or principal is otherwise payable (or in the case of redemption, on
the redemption date), then a holder of Preferred Securities may directly
institute a Direct Action against Host Marriott for enforcement of payment to
such holder of the principal of or interest on the Debentures having a
principal amount equal to the aggregate liquidation amount of the Preferred
Securities of such holder on or after the respective due date specified in the
Debentures. In connection with such Direct Action, Host Marriott will be
subrogated to the rights of such holder of Preferred Securities under the
Trust Agreement to the extent of any payment made by Host Marriott to such
holder of Preferred Securities in such Direct Action. The holders of Preferred
Securities will not be able to exercise directly against Host Marriott any
other remedy available to the Property Trustee unless the Property Trustee
first fails to do so.
 
MERGER OR CONSOLIDATION OF ISSUER TRUSTEES
 
  Any corporation into which the Property Trustee, the Delaware Trustee or any
Administrative Trustee that is not a natural person may be merged or converted
or with which it may be consolidated, or any corporation resulting from any
merger, conversion or consolidation to which such Issuer Trustee shall be a
party, or any corporation succeeding to all or substantially all the corporate
trust business of such Issuer Trustee, shall be the successor of such Issuer
Trustee under the Declaration, provided such corporation shall be otherwise
qualified and eligible.
 
MERGERS, CONSOLIDATIONS, AMALGAMATIONS OR REPLACEMENTS OF THE ISSUER
 
  The Issuer may not merge with or into, consolidate, amalgamate, or be
replaced by, or convey, transfer or lease its properties and assets
substantially as an entirety to any corporation or other Person, except as
described below. The Issuer may, at the request of Host Marriott, with the
consent of the Administrative Trustees and without the consent of the Property
Trustee, the Delaware Trustee or the holders of the Preferred Securities,
merge with or into, consolidate, amalgamate, be replaced by or convey,
transfer or lease its properties and assets substantially as an entirety to a
trust organized as such under the laws of any State; provided that (i) such
successor entity either (a) expressly assumes all of the obligations of the
Issuer with respect to the Preferred Securities or (b) substitutes for the
Preferred Securities other securities having substantially the same terms as
the Preferred Securities (the "Successor Securities") so long as the Successor
Securities rank the same as the Preferred Securities rank in priority with
respect to Distributions and payments upon liquidation, redemption and
otherwise, (ii) Host Marriott expressly appoints a trustee of such successor
entity possessing the same powers and duties as the Property Trustee as the
holder of the Debentures, (iii) the Successor Securities are listed, or any
Successor Securities will be listed upon notification of issuance, on any
national securities exchange or other organization on which the Preferred
Securities are then listed, if any, (iv) such merger, consolidation,
amalgamation, replacement, conveyance, transfer or lease does not cause the
Preferred Securities (including any Successor Securities) to be downgraded by
any nationally recognized statistical rating organization, (v) such merger,
consolidation,
 
                                      32
<PAGE>
 
amalgamation, replacement, conveyance, transfer or lease does not adversely
affect the rights, preferences and privileges of the holders of the Preferred
Securities (including any Successor Securities) in any material respect, (vi)
such successor entity has a purpose identical to that of the Issuer, (vii)
prior to such merger, consolidation, amalgamation, replacement, conveyance,
transfer or lease, Host Marriott has received an opinion from independent
counsel to the Issuer experienced in such matters to the effect that (a) such
merger, consolidation, amalgamation, replacement, conveyance, transfer or
lease does not adversely affect the rights, preferences and privileges of the
holders of the Preferred Securities (including any Successor Securities) in
any material respect (other than with respect to any dilution of the holders
interest in the new entity) and (b) following such merger, consolidation,
amalgamation, replacement, conveyance, transfer or lease, neither the Issuer
nor such successor entity will be required to register as an investment
company under the Investment Company Act, and (viii) Host Marriott or any
permitted successor or assignee owns all of the Common Securities of such
successor entity and guarantees the obligations of such successor entity under
the Successor Securities at least to the extent provided by the Guarantee.
Notwithstanding the foregoing, the Issuer shall not, except with the consent
of holders of 100% in aggregate liquidation amount of the Preferred
Securities, consolidate, amalgamate, merge with or into, be replaced by or
convey, transfer or lease its properties and assets substantially as an
entirety to any other entity or permit any other entity to consolidate,
amalgamate, merge with or into, or replace it if such consolidation,
amalgamation, merger, replacement, conveyance, transfer or lease would cause
the Issuer or the successor entity to be classified as other than a grantor
trust for United States Federal income tax purposes.
 
VOTING RIGHTS; AMENDMENT OF THE TRUST AGREEMENT
 
  Except as provided below and under "Description of the Guarantee--Amendments
and Assignment" and as otherwise required by law and the Trust Agreement, the
holders of the Preferred Securities have no voting rights.
 
  The Trust Agreement may be amended from time to time by Host Marriott and
the Issuer Trustees, without the consent of the holders of the Preferred
Securities (i) to cure any ambiguity, correct or supplement any provisions in
the Trust Agreement that may be inconsistent with any other provision, or to
make any other provisions with respect to matters or questions arising under
the Trust Agreement that shall not be inconsistent with the other provisions
of the Trust Agreement, (ii) to modify, eliminate or add to any provision of
the Trust Agreement to such extent as shall be necessary to ensure that the
Issuer will be classified for United States Federal income tax purposes as a
grantor trust at all times that any Preferred Securities and Common Securities
are outstanding or to ensure that the Issuer will not be required to register
as an "investment company" under the Investment Company Act or be classified
as other than a grantor trust for United States Federal income tax purposes or
(iii) to qualify or maintain the qualification of the Trust Agreement under
the Trust Indenture Act; provided, however, that in the case of clause (i),
such action shall not adversely affect in any material respect the interests
of any holder of Preferred Securities or Common Securities, and any amendments
of the Trust Agreement shall become effective when notice thereof is given to
the holders of Preferred Securities and Common Securities. The Trust Agreement
may be amended by the Issuer Trustees and Host Marriott with (i) the consent
of holders representing not less than a majority (based upon liquidation
amounts) of the outstanding Preferred Securities and Common Securities, acting
as a single class, and (ii) receipt by the Issuer Trustees of an opinion of
counsel to the effect that such amendment or the exercise of any power granted
to the Issuer Trustees in accordance with such amendment will not affect the
Issuer's status as a grantor trust for United States Federal income tax
purposes or the Issuer's exemption from the status of an "investment company"
under the Investment Company Act; provided further that (a) without the
consent of each holder of Preferred Securities and Common Securities, the
Trust Agreement may not be amended to (i) change the amount or timing of any
Distribution on the Preferred Securities and Common Securities or otherwise
adversely affect the amount of any Distribution required to be made in respect
of the Preferred Securities and Common
 
                                      33
<PAGE>
 
Securities as of a specified date or (ii) restrict the right of a holder of
Preferred Securities and Common Securities to institute suit for the
enforcement of any such payment on or after such date.
 
  If any proposed amendment of the Trust Agreement provides for, or the Issuer
Trustees otherwise propose to effect, the dissolution, winding-up or
termination of the Issuer, other than pursuant to the terms of the Trust
Agreement, then the holders of the then outstanding Preferred Securities, as a
class, will be entitled to vote on such amendment or proposal and such
amendment or proposal shall not be effective except with the approval of the
holders of the majority in aggregate liquidation amount of the Preferred
Securities.
 
  The holders of a majority in aggregate liquidation amount of Preferred
Securities have the right to direct the time, method and place of conducting
any proceeding for any remedy available to the Property Trustee or to direct
the exercise of any trust or power conferred upon the Property Trustee under
the Trust Agreement, including the right to direct the Property Trustee to
exercise the remedies available to it as a holder of the Debentures. So long
as any Debentures are held by the Property Trustee, the Issuer Trustees may
not (i) direct the time, method and place of conducting any proceeding for any
remedy available to the Debenture Trustee or executing any trust or power
conferred on the Debenture Trustee with respect to such Debentures, (ii) waive
any past default that is waivable under Section 5.13 of the Indenture, (iii)
exercise any right to rescind or annul a declaration that the principal of all
the Debentures shall be due and payable, or (iv) consent to any amendment,
modification or termination of the Indenture or the Debentures where such
consent shall be required, without in each case, obtaining the prior approval
of the holders of a majority in aggregate liquidation amount of all
outstanding Preferred Securities (except in the case of clause (iv), which
consent, in the event that no Declaration Event of Default shall occur and be
continuing, shall be of the holders of Preferred Securities and Common
Securities, voting together as a single class); provided, however, that where
a consent under the Indenture would require the consent of each holder of
Debentures affected thereby, no such consent shall be given by the Property
Trustee without the prior written consent of each holder of the Preferred
Securities. The Issuer Trustees may not revoke any action previously
authorized or approved by a vote of the holders of the Preferred Securities
except by subsequent vote of the holders of the Preferred Securities. The
Property Trustee shall notify each holder of record of the Preferred
Securities of any notice of default with respect to the Debentures.
 
  A waiver of a Debenture Event of Default will constitute a waiver of the
corresponding Declaration Event of Default.
 
  Any required approval or direction of holders of Preferred Securities may be
given at a separate meeting of holders of Preferred Securities convened for
such purpose, at a meeting of all of the holders of the Preferred Securities
and the Common Securities or pursuant to written consent. The Property Trustee
will cause a notice of any meeting at which holders of Preferred Securities
are entitled to vote, or of any matter upon which action by written consent of
such holders is to be taken, to be given to each holder of record of Preferred
Securities in the manner set forth in the Trust Agreement.
 
  No vote or consent of the holders of Preferred Securities is required for
the Issuer to redeem and cancel the Preferred Securities in accordance with
the Trust Agreement.
 
  Notwithstanding that holders of Preferred Securities are entitled to vote or
consent under any of the circumstances described above, any of the Preferred
Securities that are owned at such time by Host Marriott, the Issuer Trustees
or any affiliate of any Issuer Trustee shall, for purposes of such vote or
consent, be treated as if such Preferred Securities were not outstanding.
 
  The procedures by which holders of Preferred Securities may exercise their
voting rights are described below. See "--Form, Transfer, Exchange and Book-
Entry Procedures."
 
                                      34
<PAGE>
 
  Holders of the Preferred Securities have no rights to appoint or remove the
Issuer Trustees, who may be appointed, removed or replaced solely by Host
Marriott, as the direct or indirect holder of all the Common Securities.
 
PAYMENT AND PAYING AGENCY
 
  Payments in respect of the Preferred Securities represented by the Global
Certificates shall be made to DTC, which shall credit the relevant accounts at
DTC on the applicable distribution dates or, in the case of Certificated
Securities, such payments shall be made by check mailed to the address of the
holder entitled thereto as such address shall appear on the Securities
Register. The paying agent (the "Paying Agent") initially is the Property
Trustee and any co-paying agent chosen by the Property Trustee and acceptable
to the Administrative Trustees and Host Marriott. The Paying Agent is
permitted to resign as Paying Agent upon 30 days' written notice to the
Property Trustee and Host Marriott. In the event that the Property Trustee
shall no longer be the Paying Agent, the Administrative Trustees shall appoint
a successor (which shall be a bank or trust company acceptable to the
Administrative Trustees and Host Marriott) to act as Paying Agent.
 
 CERTAIN BOOK-ENTRY PROCEDURES FOR GLOBAL CERTIFICATES
 
  The description of book-entry procedures in this Prospectus includes
summaries of certain rules and operating procedures of DTC that affect
transfers of interests in the global certificate or certificates issued in
connection with sales of Preferred Securities made pursuant to this
Prospectus. Substantially all of the Preferred Securities were issued as fully
registered securities registered in the name of Cede & Co. (as nominee for
DTC). Fully registered global Preferred Security certificates (the "Global
Certificates") were issued, representing such Preferred Securities and were
deposited with DTC.
 
  DTC has advised the Issuer and the Company as follows: DTC is a limited
purpose trust company organized under the laws of the State of New York, a
member of the Federal Reserve System, a "clearing corporation" within the
meaning of the Uniform Commercial Code and a "Clearing Agency" registered
pursuant to the provisions of Section 17A of the Exchange Act. DTC was created
to hold securities for its participants ("participants") and facilitate the
clearance and settlement of securities transactions between participants
through electronic book-entry changes in accounts of its participants, thereby
eliminating the need for physical transfer and delivery of certificates.
Participants include securities brokers and dealers, banks, trust companies
and clearing corporations and may include certain other organizations.
Indirect access to the DTC system is available to other entities such as
banks, brokers, dealers and trust companies that clear through or maintain a
custodial relationship with a participant, either directly or indirectly
("indirect participants").
 
  DTC has advised the Issuer and the Company that its current practice, upon
the issuance of the Restricted Global Certificate and the Regulation S Global
Certificate, is to credit, on its internal system, the respective principal
amount of the individual beneficial interests represented by such Global
Certificates to the accounts with DTC of the participants through which such
interests are to be held. Ownership of beneficial interests in the Global
Certificates will be shown on, and the transfer of that ownership will be
effected only through, records maintained by DTC or its nominees (with respect
to interests of participants) and the records of participants and indirect
participants (with respect to interests of persons other than participants).
 
  [DTC has no knowledge of the actual Beneficial Owners of the Preferred
Securities; DTC's records reflect only the identity of the Participants to
whose accounts such Preferred Securities are credited, which may or may not be
the Beneficial Owners. The Participants and Indirect Participants will remain
responsible for keeping account of their holdings on behalf of their
customers.]
 
                                      35
<PAGE>
 
  As long as DTC, or its nominee, is the registered holder of a Global
Certificate, DTC or such nominee, as the case may be, will be considered the
sole owner and holder of the Preferred Securities represented by such Global
Certificate for all purposes under the Trust Agreement and the Preferred
Securities. No beneficial owner of an interest in a Global Certificate will be
able to transfer that interest except in accordance with DTC's applicable
procedures, in addition to those provided for under the Trust Agreement.
 
  Except in certain limited circumstances, owners of beneficial interests in a
Global Certificate will not be entitled to have any portions of such Global
Certificate registered in their names, will not receive or be entitled to
receive physical delivery of Preferred Securities in definitive form and will
not be considered the owners or holders of the Global Certificate (or any
Preferred Securities represented thereby) under the Trust Agreement or the
Preferred Securities.
 
  Investors may hold their interests in the Restricted Global Certificate
directly through DTC, if they are participants in such system, or indirectly
through organizations (including Euroclear and CEDEL) which are participants
in such system. Investors may hold their interests in the Regulation S Global
Certificate through CEDEL or Euroclear, if they are participants in such
systems, or indirectly through organizations which are participants in such
systems. After the expiration of the Restricted Period (but not earlier),
investors may also hold their interests in the Regulation S Global Certificate
through organizations other than CEDEL and Euroclear that are participants in
the DTC system. CEDEL and Euroclear will hold interests in the Regulation S
Global Certificate on behalf of their participants through customers'
securities accounts in their respective names on the books of their respective
depositories. The depositories, in turn, will hold such interests in the
Regulation S Global Certificate in customers' securities accounts in the
depositories' names on the books of DTC. All interests in a Global
Certificate, including those held through Euroclear or CEDEL, will be subject
to the procedures and requirements of DTC. Those interests held through
Euroclear and CEDEL will also be subject to the procedures and requirements of
such system. Transfers and exchanges of interests in a Global Certificate will
also be subject to the procedures described above under "--Exchanges between
the Restricted Global Certificate and the Regulation S Global Certificate," if
applicable.
 
  The laws of some states require that certain persons take physical delivery
in definitive form of securities that they own. Consequently, the ability to
transfer beneficial interests in a Global Certificate to such persons may be
limited to that extent. Because DTC can act only on behalf of its
participants, which in turn act on behalf of indirect participants and certain
banks, the ability of a person having beneficial interests in a Global
Certificate to pledge such interest to persons or entities that do not
participate in the DTC system, or otherwise take actions in respect of such
interests, may be affected by the lack of a physical certificate evidencing
such interests.
 
  Payments of Distributions on Global Certificates will be made to DTC or its
nominee as the registered owner thereof. Neither the Issuer, the Company, the
Property Trustee nor any of their respective agents will have any
responsibility or liability for any aspect of the records relating to or
payments made on account of beneficial ownership interests in the Global
Certificates or for maintaining, supervising or reviewing any records relating
to such beneficial ownership interests.
 
  The Issuer and the Company expect that DTC or its nominee, upon receipt of
any payment of Distributions in respect of a Global Certificate representing
any Preferred Securities held by it or its nominee, will immediately credit
participants' accounts with payments in amounts proportionate to their
respective beneficial interests in the principal amount of such Global
Certificate for such Preferred Securities as shown on the records of DTC or
its nominee. The Issuer and the Company also expects that payments by
participants to owners of beneficial interests in such Global Certificate held
through such participants will be governed by standing instructions and
customary practices, as is now the case with securities held for the accounts
of customers registered in "street name." Such payments will be the
responsibility of such participants.
 
                                      36
<PAGE>
 
  Except for trades involving only Euroclear and CEDEL participants, interests
in the Global Certificates will trade in DTC's Same-Day Funds Settlement
System and secondary market trading activity in such interests will therefore
settle in immediately available funds, subject in all cases to the rules and
procedures of DTC and its participants. Transfers between participants in DTC
will be effected in accordance with DTC's procedures, and will be settled in
same-day funds. Transfers between participants in Euroclear and CEDEL will be
effected in the ordinary way in accordance with their respective rules and
operating procedures.
 
  Subject to compliance with the transfer and exchange restrictions applicable
to the Preferred Securities described elsewhere herein, cross-market transfers
between DTC participants, on the one hand, and Euroclear or CEDEL
participants, on the other hand, will be effected by DTC in accordance with
DTC's rules on behalf of Euroclear or CEDEL, as the case may be, by its
respective depositary; however, such cross-market transactions will require
delivery of instructions to Euroclear or CEDEL, as the case may be, by the
counterparts in such system in accordance with the rules and procedures and
within the established deadlines (Brussels time) of such system. Euroclear or
CEDEL, as the case may be, will, if the transaction meets its settlement
requirements, deliver instructions to its respective depository to take action
to effect final settlement on its behalf by delivering or receiving interests
in the relevant Global Certificate in DTC, and making or receiving payment in
accordance with normal procedures for same-day funds settlement applicable to
DTC. Euroclear participants and CEDEL participants may not deliver
instructions directly to the depositories for Euroclear or CEDEL.
 
  Because of time zone differences, the securities account of a Euroclear or
CEDEL participant purchasing an interest in a Global Certificate from a DTC
participant will be credited, and any such crediting will be reported to the
relevant Euroclear or CEDEL participant, during the securities settlement
processing day (which must be a business day for Euroclear and CEDEL)
immediately following the DTC settlement date. Cash received in Euroclear or
CEDEL as a result of sales of interests in a Global Certificate by or through
a Euroclear or CEDEL participant to a DTC participant will be received with
value on the DTC settlement date but will be available in the relevant
Euroclear or CEDEL cash account only as of the business day for Euroclear or
CEDEL following the DTC settlement date.
 
  DTC has advised the Issuer and the Company that it will take any action
permitted to be taken by a holder of Certificates (including the presentation
of Preferred Securities for exchange as described below and the conversion of
Preferred Securities) only at the direction of one or more participants to
whose account with DTC interests in the Global Certificates are credited and
only in respect of such portion of the aggregate liquidation amount of the
Preferred Securities as to which such participant or participants has or have
given such direction. However, if there is a Declaration Event of Default, DTC
reserves the right to exchange the Global Certificates for legended Preferred
Securities in certificated form, and to distribute such Preferred Securities
to its participants.
 
  Although DTC, Euroclear and CEDEL have agreed to the foregoing procedures in
order to facilitate transfers of beneficial ownership interests in the Global
Certificates among participants of DTC, Euroclear and CEDEL, they are under no
obligation to perform or continue to perform such procedures, and such
procedures may be discontinued at any time. None of the Issuer, the Company,
the Property Trustee nor any of their respective agents will have any
responsibility for the performance by DTC, Euroclear and CEDEL, their
participants or indirect participants of their respective obligations under
the rules and procedures governing their operations, including maintaining,
supervising or reviewing the records relating to, or payments made on account
of, beneficial ownership interests in Global Certificates.
 
  Redemption notices shall be sent to Cede & Co. as the registered holder of
the Preferred Securities. If less than all of the Preferred Securities are
being redeemed, DTC's current practice is to determine by lot the amount of
the interest of each Direct Participant to be redeemed.
 
                                      37
<PAGE>
 
  Although voting with respect to the Preferred Securities is limited to the
holders of record of the Preferred Securities, in those instances in which a
vote is required, neither DTC nor Cede & Co. will itself consent or vote with
respect to Preferred Securities. Under its usual procedures, DTC would mail an
omnibus proxy (the "Omnibus Proxy") to the Property Trustee as soon as
possible after the record date. The Omnibus Proxy assigns Cede & Co.'s
consenting or voting rights to those Direct Participants to whose accounts
such Preferred Securities are credited on the record date (identified in a
listing attached to the Omnibus Proxy).
 
  Conveyance of notices and other communications by DTC to participants, by
participants to indirect participants, and by participants and indirect
participants to beneficial owners of the Preferred Securities and the voting
rights of participants, indirect participants and beneficial owners of
Preferred Securities will be governed by arrangements among them, subject to
any statutory or regulatory requirements as may be in effect from time to
time.
 
  DTC may discontinue providing its services as securities depositary with
respect to the Preferred Securities at any time by giving reasonable notice to
the Property Trustee and Host Marriott. In the event that a successor
securities depositary is not obtained, definitive Preferred Securities
certificates representing such Preferred Securities are required to be printed
and delivered. Host Marriott, at its option, may decide to discontinue use of
the system of book-entry transfers through DTC (or a successor depositary).
After a Debenture Event of Default, the holders of a majority in liquidation
amount of Preferred Securities may determine to discontinue the system of
book-entry transfers through DTC. In any such event, definitive certificates
for the Preferred Securities will be printed and delivered.
 
 TRANSFER AGENT, REGISTRAR AND PAYING, CONVERSION AND EXCHANGE AGENT
 
  The Property Trustee presently acts as transfer agent, registrar, paying
agent, conversion agent and exchange agent for the Preferred Securities.
 
  Registration of transfers or exchanges of Preferred Securities will be
effected without charge by or on behalf of the Issuer, but upon payment of any
tax or other governmental charges that may be imposed in connection with any
transfer or exchange. The Issuer will not be required to register or cause to
be registered the transfer of the Preferred Securities after such Preferred
Securities have been called for redemption.
 
 INFORMATION CONCERNING THE PROPERTY TRUSTEE
 
  Host Marriott and certain of its subsidiaries may maintain deposit accounts
and conduct other banking and corporate securities transactions and
relationships with the Property Trustee in the ordinary course of their
businesses. The Property Trustee, other than during the occurrence and
continuance of a Declaration Event of Default, undertakes to perform only such
duties as are specifically set forth in the Trust Agreement and, after such
Declaration Event of Default, must exercise the same degree of care and skill
as a prudent person would exercise or use in the conduct of his or her own
affairs. Subject to this provision, the Property Trustee is under no
obligation to exercise any of the powers vested in it by the Trust Agreement
at the request of any holder of Preferred Securities unless it is offered
reasonable indemnity against the costs, expenses and liabilities that might be
incurred thereby. If no Declaration Event of Default has occurred and is
continuing and the Property Trustee is required to decide between alternative
causes of action, construe ambiguous provisions in the Trust Agreement or is
unsure of the application of any provision of the Trust Agreement, and the
matter is not one on which holders of Preferred Securities are entitled under
the Trust Agreement to vote, then the Property Trustee shall take such action
as is directed by Host Marriott and, if not so directed, shall take such
action as it deems advisable and in the best interests of the holders of the
Preferred Securities and the Common Securities and will have no liability
except for its own bad faith, negligence or willful misconduct.
 
                                      38
<PAGE>
 
 MISCELLANEOUS
 
  The Administrative Trustees are authorized and directed to conduct the
affairs of and to operate the Issuer in such a way that the Issuer will not be
deemed to be an "investment company" required to be registered under the
Investment Company Act or classified as an association taxable as a
corporation for United States Federal income tax purposes and so that the
Debentures will be treated as indebtedness of Host Marriott for United States
Federal income tax purposes. In this connection, Host Marriott and the
Administrative Trustees are authorized to take any action, not inconsistent
with applicable law, the certificate of trust of the Issuer or the Trust
Agreement, that Host Marriott and the Administrative Trustees determine in
their discretion to be necessary or desirable for such purposes, as long as
such action does not materially adversely affect the interests of the holders
of the Preferred Securities.
 
  Holders of the Preferred Securities have no preemptive or similar rights.
 
  The Issuer may not borrow money or issue debt or mortgage or pledge any of
its assets.
 
REGISTRATION RIGHTS
 
  In connection with the Original Offering, the Company and the Trust entered
into registration rights agreement with the Purchasers, dated December 2, 1996
(the "Registration Rights Agreement") pursuant to which the Company and the
Trust agreed, at the Company's expense, for the benefit of the holders of the
Preferred Securities, the Debentures issuable in respect of the Preferred
Securities, Host Marriott Common Stock issuable upon conversion of the
Preferred Securities and the Debentures and the Guarantee (together, the
"Registrable Securities"), to file with the Commission on or prior to the date
120 days after the Original Offering Date a shelf registration statement (the
"Shelf Registration Statement") on such form as Host Marriott deems
appropriate covering resale by holders of the Registrable Securities. The
Company has agreed to use its best efforts (i) to cause the Shelf Registration
Statement to be declared effective as promptly as practicable and in no event
later than 180 days after the Original Offering Date and (ii) to keep
effective the Shelf Registration Statement until three years after the latest
date of original issuance of the Preferred Securities (or such earlier date as
the holders of Registrable Securities are able to sell all Registrable
Securities immediately without restriction pursuant to Rule 144(k) under the
Securities Act or any successor rule thereto or otherwise) (such period the
"Effectiveness Period"). The Issuer and Host Marriott are permitted to suspend
the use of the prospectus (which is a part of the Shelf Registration
Statement) in connection with sales of Registrable Securities by holders
during certain periods of time under certain circumstances relating to pending
corporate developments relating to the Company and public filings with the
Commission and similar events. Pursuant to the Registration Rights Agreement,
the Issuer and Host Marriott agreed to provide to each registered holder
copies of such prospectus, notify each registered holder when the Shelf
Registration Statement has become effective, and take certain other actions as
are required to permit unrestricted sales of the Registrable Securities.
 
  In the Registration Rights Agreement, the Issuer and Host Marriott agreed to
indemnify the holders of Registrable Securities against certain liabilities,
including liabilities under the Securities Act, subject to certain customary
limitations, and each holder of Registrable Securities included in the Shelf
Registration Statement will be obligated to indemnify the Issuer and the
Company, any other holder and any underwriters participating in the offering
of Registrable Securities against any liability with respect to information
furnished by such holder in writing to the Issuer and the Company (including
the information in a Selling Securityholder's Questionnaire) expressly for use
in the Shelf Registration Statement.
 
  If (i) on or prior to the date 120 days after the Closing Date a Shelf
Registration Statement has not been filed with the Commission or (ii) on or
prior to the date 180 days after the Original Offering Date such Shelf
Registration Statement has not been declared effective (each such event, a
 
                                      39
<PAGE>
 
"Registration Default"), additional interest ("Liquidated Damages") will
accrue on the Debentures, and, accordingly, additional distributions will
accrue on the Preferred Securities, from and including the day following such
Registration Default until such date as the Shelf Registration Statement is
declared effective. Liquidated Damages will be paid quarterly in arrears, with
the first quarterly payment due on the first interest or distribution payment
date, as applicable, following the date on which such Liquidated Damages begin
to accrue, and will accrue at a rate per annum equal to an additional one-
quarter of one percent (0.25%) of the principal amount or liquidation amount,
as applicable, to and including the 90th day following such Registration
Default and one-half of one percent (0.50%) thereof from and after the 91st
day following such Registration Default. In the event that the Shelf
Registration Statement ceases to be effective during the Effectiveness Period
for more than 90 days, whether or not consecutive, during any 12-month period
then the interest rate borne by the Debentures and the distribution rate borne
by the Preferred Securities will each increase by an additional one-half of
one percent (0.50%) per annum from the 91st day of the applicable 12-month
period such Shelf Registration Statement ceases to be effective until such
time as the Shelf Registration Statement again becomes effective.
 
  This summary of certain provisions of the Registration Rights Agreement does
not purport to be complete and is subject to, and qualified in its entirety by
reference to, all the provisions of the Registration Rights Agreement, a copy
of the form of which is incorporated by reference herein as an exhibit to the
Registration Statement.
 
GOVERNING LAW
 
  The Trust Agreement and the Preferred Securities are governed by, and
construed in accordance with, the internal laws of the State of Delaware
without regard to its conflict of laws principles and excluding sections 3540
and 3561 of Title 12 of the Delaware General Corporate Laws.
 
                                      40
<PAGE>
 
                         DESCRIPTION OF THE GUARANTEE
 
  The Guarantee was executed and delivered by Host Marriott concurrently with
the issuance by the Issuer of the Preferred Securities for the benefit of the
holders from time to time of such Preferred Securities. IBJ Schroder Bank &
Trust Company is the trustee ("Guarantee Trustee") under the Guarantee. This
summary of certain provisions of the Guarantee does not purport to be complete
and is subject to, and qualified in its entirety by reference to, all of the
provisions of the Guarantee. The Guarantee Trustee will hold the Guarantee for
the benefit of the holders of the Preferred Securities.
 
GENERAL
 
  Pursuant to and to the extent set forth in the Guarantee, Host Marriott
irrevocably agreed to pay in full on a subordinated basis, to the extent set
forth herein, the Guarantee Payments (as defined below) to the holders of the
Preferred Securities, as and when due, regardless of any defense, right of
set-off or counterclaim that the Issuer may have or assert other than the
defense of payment. The following payments with respect to the Preferred
Securities, to the extent not paid by or on behalf of the Issuer (the
"Guarantee Payments"), are subject to the Guarantee: (i) any accumulated and
unpaid Distributions required to be paid on the Preferred Securities, to the
extent that the Issuer has funds on hand available therefor at such time, (ii)
the redemption price with respect to any Preferred Securities called for
redemption to the extent that the Issuer has funds on hand available therefor
at such time, or (iii) upon a voluntary or involuntary dissolution, winding up
or liquidation of the Issuer (unless the Debentures are distributed to holders
of the Preferred Securities), the lesser of (a) the Liquidation Distribution,
to the extent that the Issuer has funds on hand available therefor at such
time, and (b) the amount of assets of the Issuer remaining available for
distribution to holders of Preferred Securities. Host Marriott's obligation to
make a Guarantee Payment may be satisfied by direct payment of the required
amounts by Host Marriott to the holders of the Preferred Securities or by
causing the Issuer to pay such amounts to such holders.
 
  The Guarantee is an irrevocable guarantee on a subordinated basis of the
Issuer's obligations under the Preferred Securities, but it applies only to
the extent that the Issuer has funds sufficient to make such payments, and is
not a guarantee of collection. If Host Marriott does not make interest
payments on the Debentures held by the Issuer, the Issuer will not be able to
pay Distributions on the Preferred Securities and will not have funds legally
available therefor.
 
  Host Marriott has, through the Guarantee, the Trust Agreement, the
Debentures, the Indenture and the Expense Agreement, taken together, fully,
irrevocably and unconditionally guaranteed all of the Issuer's obligations
under the Preferred Securities. No single document standing alone or operating
in conjunction with fewer than all of the other documents constitutes such
guarantee. It is only the combined operation of these documents that has the
effect of providing a full, irrevocable and unconditional guarantee of the
Issuer's obligations under the Preferred Securities. See "Relationship Among
the Preferred Securities, the Debentures and the Guarantee."
 
  The Company has also agreed separately to irrevocably and unconditionally
guarantee the obligations of the Issuer with respect to the Common Securities
to the same extent as the Guarantee, except that upon the occurrence and
during the continuation of a Declaration Event of Default, holders of
Preferred Securities shall have priority over holders of Common Securities
with respect to distributions and payments on liquidation, redemption or
otherwise.
 
STATUS OF THE GUARANTEE
 
  The Guarantee constitutes an unsecured obligation of Host Marriott and ranks
subordinate and junior in right of payment to all other liabilities of Host
Marriott and ranks pari passu with any guarantee
 
                                      41
<PAGE>
 
now or hereafter entered into by Host Marriott in respect of any preferred or
preference stock of any affiliate of Host Marriott.
 
  The Guarantee constitutes a guarantee of payment and not of collection
(i.e., the guaranteed party may institute a legal proceeding directly against
the Guarantor to enforce its rights under the Guarantee without first
instituting a legal proceeding against any other person or entity). The
Guarantee is held for the benefit of the holders of the Preferred Securities.
The Guarantee will not be discharged except by payment of the Guarantee
Payments in full to the extent not paid by the Issuer or upon distribution of
the Debentures to the holders of the Preferred Securities. The Guarantee does
not place a limitation on the amount of additional indebtedness that may be
incurred by Host Marriott or any of its subsidiaries.
 
AMENDMENTS AND ASSIGNMENT
 
  Except with respect to any changes which do not materially adversely affect
the rights of holders of the Preferred Securities (in which case no vote will
be required), the Guarantee may not be amended without the prior approval of
the holders of not less than a majority in aggregate liquidation amount of
such outstanding Preferred Securities. The manner of obtaining any such
approval will be set forth under "Description of the Preferred Securities--
Voting Rights; Amendment of the Trust Agreement." All guarantees and
agreements contained in the Guarantee bind the successors, assigns, receivers,
trustees and representatives of Host Marriott and inure to the benefit of the
holders of the Preferred Securities then outstanding.
 
CERTAIN COVENANTS OF HOST MARRIOTT
 
  Host Marriott covenants in the Guarantee that if and so long as (i) the
Issuer is the holder of all the Debentures, (ii) a Tax Event in respect of the
Issuer has occurred and is continuing and (iii) Host Marriott has elected, and
has not revoked such election, to pay Additional Sums in respect of the
Preferred Securities and Common Securities, Host Marriott will pay to the
Issuer such Additional Sums. Host Marriott also covenants that it will not,
and it will not cause any of its subsidiaries to, (i) declare or pay any
dividends or distributions on, or redeem, purchase, acquire, or make a
liquidation payment with respect to, any of Host Marriott's capital stock or
(ii) make any payment of principal, interest or premium, if any, on or repay
or repurchase or redeem any debt securities (including guarantees of
indebtedness for money borrowed) of Host Marriott that rank pari passu with or
junior to the Debentures (other than (a) any dividend, redemption,
liquidation, interest, principal or guarantee payment by Host Marriott where
the payment is made by way of securities (including capital stock) that rank
pari passu with or junior to the securities on which such dividend,
redemption, interest, principal or guarantee payment is being made,
(b) redemptions or purchases of any Rights pursuant to Host Marriott's Rights
Agreement, or any successor to such Rights Agreement and the declaration of a
dividend of such Rights or the issuance of preferred stock under such plans in
the future, (c) payments under the Guarantee, (d) purchases of Host Marriott
Common Stock related to the issuance of Host Marriott Common Stock under any
of Host Marriott's benefit plans for its directors, officers or employees, (e)
as a result of a reclassification of Host Marriott's capital stock or the
exchange or conversion of one series or class of Host Marriott's capital stock
for another series or class of Host Marriott's capital stock and (f) the
purchase of fractional interests in shares of Host Marriott's capital stock
pursuant to the conversion or exchange provisions of such capital stock or the
security being converted or exchanged) if at such time (i) there shall have
occurred any event of which Host Marriott has actual knowledge that (a) with
the giving of notice or the lapse of time, or both, would constitute a
Debenture Event of Default and (b) in respect of which Host Marriott shall not
have taken reasonable steps to cure, (ii) Host Marriott shall be in default
with respect to its payment of any obligations under the Guarantee or (iii)
Host Marriott shall have given notice of its selection of an Extension Period
as provided in the Indenture with respect to the Debentures and shall not have
rescinded such notice, or such Extension Period, or any extension thereof,
shall be continuing. Host Marriott also covenants
 
                                      42
<PAGE>
 
(i) for so long as Preferred Securities are outstanding, not to convert
Debentures except pursuant to a notice of conversion delivered to the
Conversion Agent by a holder of Preferred Securities, (ii) to maintain
directly or indirectly 100% ownership of the Common Securities, provided that
certain successors which are permitted pursuant to the Indenture may succeed
to Host Marriott's ownership of the Common Securities, (iii) not to
voluntarily terminate, wind-up or liquidate the Issuer, except (a) in
connection with a distribution of the Debentures to the holders of the
Preferred Securities in liquidation of the Issuer or (b) in connection with
certain mergers, consolidations or amalgamations permitted by the Trust
Agreement, (iv) to maintain the reservation for issuance of the number of
shares of Host Marriott Common Stock that would be required from time to time
upon the conversion of all the Debentures then outstanding, (v) to use its
reasonable efforts, consistent with the terms and provisions of the Trust
Agreement, to cause the Issuer to remain classified as a grantor trust and not
as an association taxable as a corporation for United States Federal income
tax purposes and (vi) to deliver shares of Host Marriott Common Stock upon an
election by the holders of the Preferred Securities to convert such Preferred
Securities into Host Marriott Common Stock.
 
  As part of the Guarantee, Host Marriott agrees that it will honor all
obligations described therein relating to the conversion or exchange of the
Preferred Securities into or for Host Marriott Common Stock or Debentures.
 
EVENTS OF DEFAULT
 
  An event of default under the Guarantee will occur upon the failure of Host
Marriott to perform any of its payment or other obligations thereunder. The
holders of a majority in aggregate liquidation amount of the Preferred
Securities have the right to direct the time, method and place of conducting
any proceeding for any remedy available to the Guarantee Trustee in respect of
the Guarantee or to direct the exercise of any trust or power conferred upon
the Guarantee Trustee under the Guarantee.
 
  If the Guarantee Trustee fails to enforce the Guarantee, any holder of the
Preferred Securities may institute a legal proceeding directly against Host
Marriott to enforce its rights under the Guarantee without first instituting a
legal proceeding against the Issuer, the Guarantee Trustee or any other person
or entity. In addition, any record holder of Preferred Securities shall have
the right, which is absolute and unconditional, to proceed directly against
Host Marriott to obtain Guarantee Payments, without first waiting to determine
if the Guarantee Trustee has enforced the Guarantee or instituting a legal
proceeding against the Issuer, the Guarantee Trustee or any other person or
entity. Host Marriott has waived any right or remedy to require that any
action be brought just against the Issuer, or any other person or entity
before proceeding directly against Host Marriott. For additional discussion of
the remedies available to holders of Preferred Securities, see "Relationship
Among the Preferred Securities, the Debentures and the Guarantee--Enforcement
Rights of Holders of Preferred Securities" and "Risk Factors--Rights Under the
Guarantee; --Enforcement of Certain Rights by Holders of Preferred
Securities."
 
  Host Marriott, as guarantor, is required to file annually with the Guarantee
Trustee a certificate as to whether or not Host Marriott is in compliance with
all the conditions and covenants applicable to it under the Guarantee.
 
INFORMATION CONCERNING THE GUARANTEE TRUSTEE
 
  The Guarantee Trustee, other than during the occurrence and continuance of a
default by Host Marriott in performance of the Guarantee, undertakes to
perform only such duties as are specifically set forth in the Guarantee and,
after default with respect to the Guarantee, must exercise the same degree of
care and skill as a prudent person would exercise or use under the
circumstances in the conduct of his or her own affairs. Subject to this
provision, the Guarantee Trustee is under no obligation to exercise any of the
powers vested in it by the Guarantee at the request of any holder of
 
                                      43
<PAGE>
 
Preferred Securities unless it is offered reasonable indemnity against the
costs, expenses and liabilities that might be incurred thereby.
 
TERMINATION OF THE GUARANTEE
 
  The Guarantee will terminate and be of no further force and effect upon full
payment of the redemption price of the Preferred Securities, upon full payment
of the amounts payable upon liquidation of the Issuer, upon the distribution,
if any, of Host Marriott Common Stock to the holders of Preferred Securities
in respect of the conversion of all such holders' Preferred Securities into
Host Marriott Common Stock or upon distribution of Debentures to the holders
of the Preferred Securities in exchange for all of the Preferred Securities.
The Guarantee will continue to be effective or will be reinstated, as the case
may be, if at any time any holder of Preferred Securities must restore payment
of any sums paid under such Preferred Securities or the Guarantee.
 
GOVERNING LAW
 
  The Guarantee will be governed by and construed in accordance with the laws
of the State of New York.
 
                         DESCRIPTION OF THE DEBENTURES
  Set forth below is a description of a the specific terms of the Debentures
in which the Trust invested the proceeds from the issuance and sale of the
Trust Securities. The Debentures are issued under a Junior Subordinated
Indenture (the "Indenture") between Host Marriott and IBJ Schroder Bank &
Trust Company as trustee (the "Debenture Trustee"), copies of which will be
available for inspection at the corporate trust office of the Debenture
Trustee in New York, New York. This summary of certain terms and provisions of
the Debentures and the Indenture does not purport to be complete and is
subject to, and is qualified in its entirety by reference to, the Indenture,
attached to this Registration Statement as an Exhibit. Whenever particular
defined terms of the Indenture are referred to herein, such defined terms are
incorporated herein or therein by reference.
 
GENERAL
 
  The Debentures are unsecured and rank junior and subordinate in right of
payment to all Senior Debt of Host Marriott. The Debentures are limited in
aggregate principal amount to $567.05 million, such amount being the sum of
the aggregate stated liquidation amount of the Preferred Securities and
capital contributed by Host Marriott in exchange for the Common Securities.
The Indenture does not limit the incurrence or issuance of other secured or
unsecured debt of Host Marriott, whether under the Indenture or any existing
or other indenture that Host Marriott may enter into in the future or
otherwise. See "--Subordination."
 
  Concurrently with the issuance of the Preferred Securities, the Issuer has
invested the proceeds thereof and the consideration paid by Host Marriott for
the Common Securities in the Debentures. The Debentures are in the principal
amount equal to the aggregate stated liquidation amount of the Preferred
Securities plus Host Marriott's concurrent investment in the Common
Securities.
 
  The Debentures are not subject to any sinking fund provision. The entire
principal amount of the Debentures will mature, and become due and payable,
together with any accrued and unpaid interest thereon, on December 2, 2026.
 
INTEREST
 
  The Debentures bear interest at the annual rate of 6 3/4% per annum, payable
quarterly in arrears on March 1, June 1, September 1 and December 1 of each
year, commencing on March 1, 1997
 
                                      44
<PAGE>
 
(each, an "Interest Payment Date"), to the person in whose name each Debenture
is registered at the close of business on the Business Day next preceding such
Interest Payment Date, subject to certain exceptions. It is anticipated that,
until the liquidation, if any, of the Issuer, each Debenture will be held in
the name of the Property Trustee in trust for the benefit of the holders of
the Preferred Securities and the Common Securities. The amount of interest
payable for any period will be computed on the basis of a 360-day year of
twelve 30-day months. In the event that any date on which interest is payable
on the Debentures is not a Business Day, then payment of the interest payable
on such date will be made on the next succeeding day that is a Business Day
(and without any interest or other payment in respect of any such delay).
Accrued interest that is not paid on the applicable Interest Payment Date will
bear additional interest on the amount thereof (to the extent permitted by
law) at the stated rate per annum, compounded quarterly. The term "interest"
as used herein shall include quarterly interest payments, interest on
quarterly interest payments not paid on the applicable Interest Payment Date
and Additional Sums (as defined below), as applicable.
 
GLOBAL SECURITIES
 
  If distributed to holders of the Preferred Securities in connection with the
involuntary or voluntary dissolution, winding-up or liquidation of the Issuer
as a result of the occurrence of a Special Event, the Debentures will be
issued in the same form as the Preferred Securities which such Debentures
replace. Any Global Certificate will be replaced by one or more global
certificates (each a "Global Security") registered in the name of the
depository or its nominee. Except under the limited circumstances described
below, the Debentures represented by the Global Security will not be
exchangeable for, and will not otherwise be issuable as, Debentures in
definitive form. The Global Securities described above may not be transferred
except by the depository to a nominee of the depository or by a nominee of the
depository to the depository or another nominee of the depository or to a
successor depository or its nominee.
 
  The laws of some jurisdictions require that certain purchasers of securities
take physical delivery of such securities in definitive form. Such laws may
impair the ability to transfer beneficial interests in such a Global Security.
 
  Except as provided below, owners of beneficial interests in such a Global
Security will not be entitled to receive physical delivery of Debentures in
definitive form and will not be considered the holders thereof for any purpose
under the Indenture, and no Global Security representing Debentures shall be
exchangeable, except for another Global Security of like denomination and
tenor to be registered in the name of the depository or its nominee or to a
successor depository or its nominee. Accordingly, each beneficial owner of
Preferred Securities must rely on the procedures of DTC or if such person is
not a participant, on the procedures of the participant through which such
person owns its interest to exercise any rights of a holder under the
Indenture.
 
  If Debentures are distributed to holders of Preferred Securities in
liquidation of such holders' interests in the Issuer and a Global Security is
issued, DTC will act as securities depository for the Debentures represented
by such Global Security. For a description of DTC and the specific terms of
the depository arrangements, see "Description of the Preferred Securities--
Form, Transfer, Exchange and Book-Entry Procedures." As of the date of this
Prospectus, the description therein of DTC's book-entry system and DTC's
practices as they relate to purchases, transfers, notices and payments with
respect to the Preferred Securities apply in all material respects to any debt
obligations represented by one or more Global Securities held by DTC. Host
Marriott may appoint a successor to DTC or any successor depository in the
event DTC or such depository is unable or unwilling to continue as a
depository for the Global Securities.
 
  None of Host Marriott, the Debenture Trustee, any Paying Agent or the
Securities Registrar have any responsibility or liability for any aspect of
the records relating to or payments made on account of
 
                                      45
<PAGE>
 
beneficial ownership interests of the Global Security representing such
Debentures or for maintaining, supervising or reviewing any records relating
to such beneficial ownership interests.
 
  A Global Security shall be exchangeable for Debentures registered in the
names of persons other than DTC or its nominee only if (i) DTC notifies Host
Marriott that it is unwilling or unable to continue as a depository for such
Global Debenture and no successor depositary shall have been appointed by Host
Marriott within 90 days, or if at any time DTC ceases to be a clearing agency
registered under the Exchange Act at a time when DTC is required to be so
registered to act as such depository, (ii) Host Marriott in its sole
discretion determines that such Global Security shall be so exchangeable, or
(iii) there shall have occurred and be continuing an Event of Default with
respect to such Global Security. Any Global Security that is exchangeable
pursuant to the preceding sentence shall be exchangeable for definitive
certificates registered in such names as DTC shall direct. It is expected that
such instructions will be based upon directions received by DTC from its
Participants with respect to ownership of beneficial interests in such Global
Security. In the event that Debentures are issued in definitive form, such
Debentures will be in denominations of $50 and integral multiples thereof and
may be transferred or exchanged at the offices described in "--Payment and
Paying Agents" below.
 
PAYMENT AND PAYING AGENTS
 
  Payments on Debentures represented by a Global Security will be made to DTC,
as the depositary for the Debentures. In the event Debentures are issued in
definitive form, principal of and premium, if any, and any interest on
Debentures will be payable, the transfer of the Debentures will be
registrable, and the Debentures will be exchangeable for Debentures of other
denominations of a like aggregate principal amount at the corporate office of
the Debenture Trustee in the City of New York or at the office of such Paying
Agent or Paying Agents as Host Marriott may designate, except that at the
option of Host Marriott payment of any interest may be made (i) by check
mailed to the address of the Person entitled thereto as such address shall
appear in the Securities Register or (ii) by wire transfer to an account
maintained by the Person entitled thereto as specified in the Securities
Register, provided that proper transfer instructions have been received by the
Regular Record Date. Payment of any interest on Debentures will be made to the
Person in whose name such Debentures are registered at the close of business
on the Regular Record Date for such interest, except in the case of Defaulted
Interest. The Regular Record Date for the interest payable on any Interest
Payment Date shall be the fifteenth day (whether or not a Business Day) next
preceding such Interest Payment Date. Host Marriott may at any time designate
additional Paying Agents or rescind the designation of any Paying Agent.
 
  Any monies deposited with the Debenture Trustee or any Paying Agent, or then
held by Host Marriott in trust, for the payment of the principal of and
premium, if any, or interest on any Debentures and remaining unclaimed for two
years after such principal and premium, if any, or interest has become due and
payable shall, at the request of Host Marriott, be repaid to Host Marriott and
the holder of such Debentures shall thereafter look, as a general unsecured
creditor, only to Host Marriott for payment thereof.
 
OPTION TO EXTEND INTEREST PAYMENT PERIOD
 
  So long as no Event of Default under the Indenture has occurred and is
continuing, Host Marriott has the right under the Indenture to defer the
payment of interest (including any Liquidated Damages) on the Debentures at
any time or from time to time for a period not exceeding 20 consecutive
quarters with respect to each Extension Period, provided that no Extension
Period may extend beyond the stated maturity of the Debentures. At the end of
such Extension Period, Host Marriott must pay all interest then accrued and
unpaid (together with interest thereon at the stated annual rate, compounded
quarterly, to the extent permitted by applicable law). During an Extension
Period, interest will continue to accrue and holders of Debentures (or holders
of Preferred Securities while the Preferred Securities
 
                                      46
<PAGE>
 
are outstanding) will be required to accrue interest income for United States
Federal income tax purposes. See "Certain Federal Income Tax Consequences--
Original Issue Discount."
 
  During any such Extension Period, Host Marriott may not, and may not cause
any subsidiary to, (i) declare or pay any dividends or distributions on, or
redeem, purchase, acquire, or make a liquidation payment with respect to, any
of Host Marriott's capital stock or (ii) make any payment of principal,
interest or premium, if any, on or repay, repurchase or redeem any debt
securities (including guarantees of indebtedness for money borrowed) of Host
Marriott that rank pari passu with or junior to the Debentures (other than (a)
any dividend, redemption, liquidation, interest, principal or guarantee
payment by Host Marriott where the payment is made by way of securities
(including capital stock) that rank pari passu with or junior to the
securities on which such dividend, redemption, interest, principal or
guarantee payment is being made, (b) redemptions or purchases of any Rights
pursuant to Host Marriott's Rights Agreement, or any successor to such Rights
Agreement, and the declaration of a dividend of such Rights or the issuance of
preferred stock under such plans in the future, (c) payments under the
Guarantee, (d) purchases of Host Marriott Common Stock related to the issuance
of Host Marriott Common Stock under any of Host Marriott's benefit plans for
its directors, officers or employees, (e) as a result of a reclassification of
Host Marriott's capital stock or the exchange or conversion of one series or
class of Host Marriott's capital stock for another series or class of Host
Marriott's capital stock, and (f) the purchase of fractional interests in
shares of Host Marriott's capital stock pursuant to the conversion or exchange
provisions of such capital stock or the security being converted or
exchanged). Prior to the termination of any such Extension Period, Host
Marriott may further extend the interest payment period, provided that no
Extension Period may exceed 20 consecutive quarters or extend beyond the
stated maturity of the Debentures. Upon the termination of any such Extension
Period and the payment of all amounts then due on any Interest Payment Date,
Host Marriott may elect to begin a new Extension Period subject to the above
requirements. No interest shall be due and payable during an Extension Period,
except at the end thereof. Host Marriott shall give the Property Trustee, the
Administrative Trustees and the Debenture Trustee notice of its election to
begin any Extension Period at least one Business Day prior to the earlier of
(i) the record date for the date Distributions on the Preferred Securities
(or, if no Preferred Securities are outstanding, for the date interest on the
Debentures) would have been payable except for the election to begin such
Extension Period and (ii) the date the Property Trustee is (or, if no
Preferred Securities are outstanding, the Debenture Trustee is) required to
give notice to the NYSE or other applicable self-regulatory organization or to
holders of such Preferred Securities (or, if no Preferred Securities are
outstanding, to the holders of such Debentures) of such record date. The
Debenture Trustee and the Property Trustee shall give notice of Host
Marriott's election to begin an Extension Period to the holders of the
Debentures and the Preferred Securities, respectively.
 
MANDATORY REDEMPTION
 
  Upon repayment at maturity or as a result of acceleration upon the
occurrence of a Debenture Event of Default, Host Marriott will redeem the
Debentures, in whole but not in part, at a redemption price equal to 100% of
the principal amount thereof, together with any accrued and unpaid interest
thereon. Any payment pursuant to this provision shall be made prior to 12:00
noon, New York City time, on the date of such repayment or acceleration or at
such other time on such earlier date as the parties thereto shall agree. The
Debentures are not entitled to the benefit of any sinking fund or, except as
set forth above or as a result of acceleration, any other provision for
mandatory prepayment.
 
                                      47
<PAGE>
 
OPTIONAL REDEMPTION
 
  On and after December 2, 1999, and subject to the next succeeding sentence,
Host Marriott has the right, at any time and from time to time, to redeem the
Debentures, in whole or in part, upon notice given as provided below, during
the twelve month periods beginning on December 2 in each of the following
years and at the indicated redemption prices (expressed as a percentage of the
principal amount of the Debentures being redeemed), together with any accrued
but unpaid interest on the portion being redeemed.
 
<TABLE>
<CAPTION>
                        REDEMPTION
YEAR                      PRICE
- ----                    ----------
<S>                     <C>
1999...................  104.725%
2000...................  104.050%
2001...................  103.375%
2002...................  102.700%
</TABLE>
<TABLE>
<CAPTION>
                        REDEMPTION
YEAR                      PRICE
- ----                    ----------
<S>                     <C>
2003...................  102.025%
2004...................  101.350%
2005...................  100.675%
2006 and thereafter....  100.000%
</TABLE>
 
  The principal amount of the Debentures so redeemed may not, however, exceed
the amount of the proceeds derived, directly or indirectly, by Host Marriott
or its subsidiaries from the issuance and sale of common stock within two
years preceding the date fixed for redemption. For so long as the Issuer is
the holder of all the outstanding Debentures, the proceeds of any such
redemption will be used by the Issuer to redeem Preferred Securities and
Common Securities in accordance with their terms. Host Marriott may not redeem
the Debentures in part unless all accrued and unpaid interest has been paid in
full on all outstanding Debentures. See "Description of the Preferred
Securities--Optional Redemption."
 
  Host Marriott also has the right to redeem the Debentures at any time after
December 2, 1999 upon the occurrence of a Tax Event as described in
"Description of the Preferred Securities--Special Event Exchange or
Redemption."
 
  If at any time following the Conversion Expiration Date, less than 5% of the
original aggregate principal amount of the Debentures remains outstanding,
such Debentures shall be redeemable at the option of Host Marriott, in whole
but not in part, at a redemption price equal to the principal amount thereof,
plus any accrued and unpaid interest.
 
REDEMPTION PROCEDURES
 
  Notices of any redemption of the Debentures and the procedures for such
redemption shall be as provided with respect to the Preferred Securities under
"Description of the Preferred Securities-- Redemption Procedures." Notice of
any redemption will be mailed at least 30 days but not more than 60 days
before the redemption date to each holder of Debentures to be redeemed at its
registered address. Unless Host Marriott defaults in payment of the redemption
price, on and after the redemption date interest ceases to accrue on such
Debentures or portions thereof called for redemption.
 
DISTRIBUTION OF DEBENTURES
 
  At any time, Host Marriott has the right to terminate the Issuer and cause
the Debentures to be distributed to the holders of the Preferred Securities in
liquidation of the Issuer after satisfaction of liabilities to creditors of
the Issuer as provided by applicable law. If distributed to holders of
Preferred Securities in liquidation, the Debentures will initially be issued
in the form of one or more global securities and DTC, or any successor
depositary for the Preferred Securities, will act as depositary for the
Debentures. It is anticipated that the depositary arrangements for the
Debentures would be substantially identical to those in effect for the
Preferred Securities. There can be no assurance as to the market price of any
Debentures that may be distributed to the holders of Preferred Securities. For
a description of DTC and the terms of the depositary matters, see "Description
of the Preferred Securities--Form, Transfer, Exchange and Book-Entry
Procedures."
 
                                      48
<PAGE>
 
CONVERSION OF THE DEBENTURES
 
  The Debentures are convertible at the option of the holders of the
Debentures into Host Marriott Common Stock, at any time after issuance but
prior to redemption, maturity or the Conversion Expiration Date, initially at
the rate of 2.6876 shares of Host Marriott Common Stock for each $50 in
principal amount of Debentures (equivalent to a conversion price of $18.604
per share of Host Marriott Common Stock), subject to the conversion price
adjustments described under "Description of the Preferred Securities--
Conversion Rights." The Issuer covenants for so long as the Preferred
Securities are outstanding not to convert Debentures except pursuant to a
notice of conversion delivered to the Conversion Agent by a holder of
Preferred Securities. Upon surrender of such Preferred Securities to the
Conversion Agent for conversion, the Issuer will distribute the commensurate
principal amount of the Debentures to the Conversion Agent on behalf of the
holder of every Preferred Security so converted, whereupon the Conversion
Agent will convert such Debentures into Host Marriott Common Stock on behalf
of such holder. Host Marriott's delivery to the holders of the Debentures
(through the Conversion Agent) of the fixed number of shares of Host Marriott
Common Stock into which the Debentures are convertible (together with the cash
payment, if any, in lieu of fractional shares) will be deemed to satisfy Host
Marriott's obligation to pay the principal amount of the Debentures, and the
accrued and unpaid interest attributable to the period from the last date to
which interest has been paid or duly provided for.
 
EXPIRATION OF CONVERSION RIGHTS
 
  The conversion rights of any Debentures held by the Issuer expire upon the
expiration of the conversion rights of the Preferred Securities on the terms
described above under "Description of the Preferred Securities--Expiration of
Conversion Rights." In the case of any Debentures that have been exchanged for
Preferred Securities under the conditions described under "Description of the
Preferred Securities--Special Event Exchange or Redemption," on and after
December 2, 1999 Host Marriott may, at its option, cause the conversion rights
of holders of such Debentures to expire. Host Marriott may exercise this
option only if for 20 trading days within any period of 30 consecutive trading
days, including the last trading day of such period, the Current Market Price
of Host Marriott Common Stock exceeds 120% of the conversion price of the
Debentures, subject to adjustment in certain circumstances. In order to
exercise its conversion expiration option, Host Marriott must issue a press
release for publication on the Dow Jones News Service announcing the
Conversion Expiration Date prior to the opening of business on the second
trading day after any period in which the condition in the preceding sentence
has been met, but in no event prior to December 2, 1999. The press release
shall announce the Conversion Expiration Date and provide the current
conversion price and Current Market Price of Host Marriott Common Stock, in
each case as of the close of business on the trading day next preceding the
date of the press release.
 
  Notice of the expiration of conversion rights will be given by first-class
mail to the holders of the Debentures not more than four Business Days after
Host Marriott issues the press release. The Conversion Expiration Date will be
a date selected by Host Marriott not less than 30 nor more than 60 days after
the date on which Host Marriott issues the press release announcing its
intention to terminate the conversion rights of Debenture holders. In the
event that Host Marriott does not exercise its conversion expiration option,
the Conversion Expiration Date with respect to the Debentures will be two
Business Days preceding the date set for mandatory redemption of the
Debentures.
 
MODIFICATION OF INDENTURE
 
  From time to time, Host Marriott and the Debenture Trustee may, without the
consent of the holders of Debentures, amend, waive or supplement the Indenture
for specified purposes, including, among other things, curing ambiguities,
defects or inconsistencies (provided that any such action does not materially
adversely affect the interest of the holders of the Debentures, or the holders
of the Preferred Securities so long as they remain outstanding) and
qualifying, or maintaining the qualification
 
                                      49
<PAGE>
 
of, the Indenture under the Trust Indenture Act. The Indenture contains
provisions permitting Host Marriott and the Debenture Trustee, with the
consent of the holders of not less than a majority in principal amount of the
outstanding Debentures, to modify the Indenture in a manner affecting the
rights of the holders of the Debentures; provided that no such modification
may, without the consent of the holder of each outstanding Debentures so
affected, (i) change the stated maturity of the Debentures, or reduce the
principal amount thereof, or reduce the rate or extend the time of payment of
interest thereon (other than deferrals of the payments of interest as
described under "--Option to Extend Interest Payment Period") or impair any
right to institute suit for the enforcement of any such payment, or adversely
affect the subordination provisions of the Indenture or any right to convert
any Debentures or (ii) reduce the percentage of principal amount of
Debentures, the holders of which are required to consent to any such
modification of the Indenture, provided that, so long as any of the Preferred
Securities remain outstanding, no such modification may be made that adversely
affects the holders of such Preferred Securities in any material respect, and
no termination of the Indenture may occur, and no waiver of any Debenture
Event of Default or compliance with any covenant under the Indenture may be
effective, without the prior consent of the holders of at least a majority in
aggregate liquidation amount of the Preferred Securities then outstanding
unless and until the principal of the Debentures and all accrued and unpaid
interest thereon has been paid in full.
 
DEBENTURE EVENTS OF DEFAULT
 
  The Indenture provides that any one or more of the following described
events that has occurred and is continuing constitutes a "Debenture Event of
Default" with respect to such Debentures:
 
    (i) failure for 30 days to pay any interest on the Debentures, when due
  (subject to the deferral of any due date in the case of an Extension
  Period); or
 
    (ii) failure to pay any principal or premium, if any, on the Debentures
  when due whether at maturity, upon redemption by declaration or otherwise;
  or
 
    (iii) failure by Host Marriott to deliver shares of Host Marriott Common
  Stock upon an appropriate election by holders of Debentures to convert such
  Debentures; or
 
    (iv) failure to observe or perform in any material respect certain other
  covenants contained in the Indenture for 90 days after written notice to
  Host Marriott from the Debenture Trustee or to the Debenture Trustee and
  Host Marriott from the holders of at least 25% in aggregate outstanding
  principal amount of such Debentures; or
 
    (v) certain events in bankruptcy, insolvency or reorganization of Host
  Marriott.
 
  The holders of a majority in aggregate outstanding principal amount of the
Debentures have the right to direct the time, method and place of conducting
any proceeding for any remedy available to the Debenture Trustee. The
Debenture Trustee or the holders of not less than 25% in aggregate principal
amount of the Debentures then outstanding may declare the principal due and
payable immediately upon a Debenture Event of Default, and, should the
Debenture Trustee or the holders of the Debentures fail to make such
declaration, the holders of at least 25% in aggregate liquidation amount of
the Preferred Securities then outstanding shall have such right. The holders
of a majority in aggregate outstanding principal amount of the Debentures may
annul and rescind such declaration if the default (other than the non-payment
of the principal of the Debentures which has become due solely by such
acceleration) has been cured and a sum sufficient to pay all matured
installments of interest and principal due otherwise than by acceleration has
been deposited with the Debenture Trustee and, should the holders of the
Debentures fail to annul and rescind such declaration, the holders of a
majority in aggregate liquidation amount of the Preferred Securities then
outstanding shall have such right.
 
  The holders of a majority in aggregate outstanding principal amount of the
Debentures affected thereby may, on behalf of the holders of all the
Debentures, waive any past default, except a default
 
                                      50
<PAGE>
 
in the payment of principal or interest (unless such default has been cured
and a sum sufficient to pay all matured installments of interest and principal
due otherwise than by acceleration has been deposited with the Debenture
Trustee) or a default in respect of a covenant or provision which under the
Indenture cannot be modified or amended without the consent of the holder of
each outstanding Debenture and, should the holders of the Debentures fail to
annul such declaration and waive such default, the holders of a majority in
aggregate liquidation amount of the Preferred Securities shall have such
right. Host Marriott is required to file annually with the Debenture Trustee a
certificate as to whether or not Host Marriott is in compliance with all the
conditions and covenants applicable to it under the Indenture.
 
  In case a Debenture Event of Default shall occur and be continuing as to the
Debentures, the Property Trustee has the right to declare the principal of and
the interest on the Debentures and any other amounts payable under the
Indenture to be forthwith due and payable and to enforce its other rights as a
creditor with respect to the Debentures.
 
ENFORCEMENT OF CERTAIN RIGHTS BY HOLDERS OF PREFERRED SECURITIES
 
  If a Debenture Event of Default has occurred and is continuing and such
event is attributable to the failure of Host Marriott to pay interest or
principal on the Debentures on the date such interest or principal is
otherwise payable, a holder of Preferred Securities may institute a Direct
Action for payment after the respective due date specified in the Debentures.
Host Marriott may not amend the Indenture to remove the foregoing right to
bring a Direct Action without the prior written consent of the holders of all
of the Preferred Securities. Notwithstanding any payment made to such holder
of Preferred Securities by Host Marriott in connection with a Direct Action,
Host Marriott shall remain obligated to pay the principal of or interest on
the Debentures held by the Issuer or the Property Trustee and Host Marriott
shall be subrogated to the rights of the holder of such Preferred Securities
with respect to payments on the Preferred Securities to the extent of any
payments made by Host Marriott to such holder in any Direct Action.
 
CONSOLIDATION, MERGER, SALE OF ASSETS AND OTHER TRANSACTIONS
 
  The Indenture provides that Host Marriott shall not consolidate with or
merge into any other Person or convey, transfer or lease its properties and
assets substantially as an entirety to any Person, and no Person shall
consolidate with or merge into Host Marriott or convey, transfer or lease its
properties and assets substantially or as an entirety to Host Marriott, unless
(i) in case Host Marriott consolidates with or merges into another Person or
conveys, transfers or leases its properties and assets substantially as an
entirety to any Person, the successor Person is organized under the laws of
the United States or any state or the District of Columbia, and such successor
Person expressly assumes Host Marriott's obligations on the Debentures; (ii)
immediately after giving effect thereto, no Debenture Event of Default, and no
event which, after notice or lapse of time or both, would become a Debenture
Event of Default, shall have happened and be continuing; (iii) in the case of
the Debentures, such transaction is permitted under the Trust Agreement and
Guarantee and does not give rise to any breach or violation of the Trust
Agreement or Guarantee; and (iv) certain other conditions as prescribed in the
Indenture are met.
 
  The general provisions of the Indenture do not afford holders of the
Debentures protection in the event of a highly leveraged or other transaction
involving Host Marriott that may adversely affect holders of the Debentures.
 
EXPENSES OF ISSUER
 
  Pursuant to the Indenture, Host Marriott will pay all of the costs, expenses
or liabilities of the Issuer, other than obligations of the Issuer to pay to
the holders of any Preferred Securities or Common Securities the amounts due
such holders pursuant to the terms of the Preferred Securities or Common
Securities.
 
                                      51
<PAGE>
 
SATISFACTION AND DISCHARGE
 
  The Indenture provides that when, among other things, all Debentures not
previously delivered to the Debenture Trustee for cancellation (i) have become
due and payable or (ii) will become due and payable at their stated maturity
within one year, and Host Marriott deposits or causes to be deposited with the
Debenture Trustee trust funds, in trust, for the purpose and in an amount in
the currency or currencies in which the Debentures are payable sufficient to
pay and discharge the entire indebtedness on the Debentures not previously
delivered to the Debenture Trustee for cancellation, for the principal and
premium, if any, and interest to the date of the deposit or to the stated
maturity, as the case may be, then the Indenture will cease to be of further
effect (except as to Host Marriott's obligations to pay all other sums due
pursuant to the Indenture and to provide the officers' certificates and
opinions of counsel described therein), and Host Marriott will be deemed to
have satisfied and discharged the Indenture.
 
SUBORDINATION
 
  In the Indenture, Host Marriott has covenanted and agreed that any
Debentures issued thereunder is subordinate and junior in right of payment to
all Senior Debt of Host Marriott whether now existing or hereinafter incurred.
Upon any payment or distribution of assets to creditors upon any liquidation,
dissolution, winding-up, reorganization, assignment for the benefit of
creditors, marshaling of assets or any bankruptcy, insolvency, debt
restructuring or similar proceedings in connection with any insolvency or
bankruptcy proceeding of Host Marriott, the holders of Senior Debt are first
entitled to receive payment in full of principal of and premium, if any, and
interest, if any, on such Senior Debt before the Property Trustee, on behalf
of the holders of the Debentures, are entitled to receive or retain any
payment in respect of the principal of and premium, if any, or interest, if
any, on the Debentures.
 
  In the event of the acceleration of the maturity of any Debentures, the
holders of all Senior Debt outstanding at the time of such acceleration are
first entitled to receive payment in full of all amounts due thereon
(including any amounts due upon acceleration) before the holders of Debentures
are entitled to receive or retain any payment in respect of the principal of
or premium, if any, or interest, if any, on the Debentures.
 
  No payments on account of principal (or premium, if any) or interest, if
any, in respect of the Debentures may be made if there shall have occurred and
be continuing a default in any payment with respect to Senior Debt, or an
event of default with respect to any Senior Debt resulting in the acceleration
of the maturity thereof, or if any judicial proceeding shall be pending with
respect to any such default.
 
  "Debt" means, with respect to any Person, whether recourse is to all or a
portion of the assets of such Person and whether or not contingent, (i) every
obligation of such Person for money borrowed; (ii) every obligation of such
Person evidenced by bonds, debentures, notes or other similar instruments,
including obligations incurred in connection with the acquisition of property,
assets or businesses; (iii) every reimbursement obligation of such Person with
respect to letters of credit, bankers' acceptances or similar facilities
issued for the account of such Person; (iv) every obligation of such Person
issued or assumed as the deferred purchase price of property or services (but
excluding trade accounts payable or accrued liabilities arising in the
ordinary course of business); (v) every capital lease obligation of such
Person; and (vi) every obligation of the type referred to in clauses
(i) through (v) of another Person and all dividends of another person the
payment of which, in either case, such Person has guaranteed or for which such
Person is responsible or liable, directly or indirectly, as obligor or
otherwise.
 
  "Senior Debt" means the principal of (and premium, if any) and interest, if
any (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to Host Marriott whether or not such
claim for post-petition interest is allowed in such proceeding), on Debt of
Host
 
                                      52
<PAGE>
 
Marriott, whether incurred on or prior to the date of the Indenture or
thereafter incurred, unless, in the instrument creating or evidencing the same
or pursuant to which the same is outstanding, it is provided that such
obligations are not superior in right of payment to the Debentures or to other
Debt which is pari passu with, or subordinated to, the Debentures; provided,
however, that Senior Debt does not include:
 
    (i) any Debt of Host Marriott which, when incurred and without respect to
  any election under Section 1111 (b) of the Bankruptcy Code, was without
  recourse to Host Marriott,
 
    (ii) any Debt of Host Marriott to any of its subsidiaries,
 
    (iii) Debt to any employee of Host Marriott,
 
    (iv) any liability for taxes, and
 
    (v) Debt or other monetary obligations to trade creditors or assumed by
  Host Marriott or any of its subsidiaries in the ordinary course of business
  in connection with the obtaining of goods, materials or services.
 
  The Indenture places no limitation on the amount of additional Senior Debt
that may be incurred by Host Marriott.
 
GOVERNING LAW
 
  The Indenture and the Debentures are governed by and construed in accordance
with the laws of the State of New York.
 
INFORMATION CONCERNING THE DEBENTURE TRUSTEE
 
  The Debenture Trustee is under no obligation to exercise any of the powers
vested in it by the Indenture at the request of any holder of Debentures,
unless offered reasonable indemnity by such holder against the costs, expenses
and liabilities which might be incurred thereby. The Debenture Trustee is not
required to expend or risk its own funds or otherwise incur personal financial
liability in the performance of its duties if the Debenture Trustee reasonably
believes that repayment or adequate indemnity is not reasonably assured to it.
 
 RELATIONSHIP AMONG THE PREFERRED SECURITIES, THE DEBENTURE AND THE GUARANTEE
 
FULL AND UNCONDITIONAL GUARANTEE
 
  Payments of Distributions and other amounts due on the Preferred Securities
(to the extent the Issuer has funds available for the payment of such
Distributions) are irrevocably guaranteed by Host Marriott as and to the
extent set forth under "Description of the Guarantee." Taken together, Host
Marriott's obligations under the Debentures, the Indenture, the Trust
Agreement and the Guarantee provide, in the aggregate, a full, irrevocable and
unconditional guarantee of payments of Distributions and other amounts due on
the Preferred Securities. No single document standing alone or operating in
conjunction with fewer than all of the other documents constitutes such
guarantee. It is only the combined operation of these documents that has the
effect of providing a full, irrevocable and unconditional guarantee of the
Issuer's obligations under the Preferred Securities. If and to the extent that
Host Marriott does not make payments on the Debentures, the Issuer will not
pay Distributions or other amounts due on the Preferred Securities. The
Guarantee does not cover payment of Distributions when the Issuer does not
have sufficient funds to pay such Distributions. In such event, a holder of
Preferred Securities may institute a Direct Action directly against Host
Marriott to enforce payment of such Distributions to such holder after the
respective due dates. The obligations of Host Marriott under the Guarantee are
subordinate and junior in right of payment to all other liabilities of Host
Marriott; and pari passu with any guarantee now or hereafter entered into by
Host Marriott in respect of any preferred or preference stock of any affiliate
of Host Marriott.
 
 
                                      53
<PAGE>
 
SUFFICIENCY OF PAYMENTS
 
  As long as payments of interest and other payments are made when due on the
Debentures, such payments will be sufficient to cover Distributions and other
payments due on the Preferred Securities, primarily because (i) the aggregate
principal amount of the Debentures will be equal to the sum of the aggregate
stated liquidation amount of the Preferred Securities and Common Securities;
(ii) the interest rate and interest and other payment dates on the Debentures
will match the Distribution rate and Distribution and other payment dates for
the Preferred Securities; (iii) Host Marriott shall pay for all and any costs,
expenses and liabilities of the Issuer except the Issuer's obligations to
holders of the Preferred Securities under such Preferred Securities; and (iv)
the Trust Agreement further provides that the Issuer will not engage in any
activity that is not consistent with the limited purposes of the Issuer.
 
  Notwithstanding anything to the contrary in the Indenture, Host Marriott has
the right to set-off any payment it is otherwise required to make thereunder
with and to the extent Host Marriott has theretofore made, or is concurrently
on the date of such payment making, a payment under the Guarantee.
 
ENFORCEMENT RIGHTS OF HOLDERS OF PREFERRED SECURITIES
 
  A holder of any Preferred Securities may institute a legal proceeding
directly against Host Marriott to enforce its rights under the Guarantee
without first instituting a legal proceeding against the Guarantee Trustee,
the Issuer or any other person or entity. In certain circumstances, however,
holders of Preferred Securities would have remedies other than to proceed
directly against Host Marriott under the Guarantee. For example, if there
occurs an event of default under the Debentures (which is referred to herein,
as a "Debenture Event of Default" and which would, in turn, trigger a
"Declaration Event of Default" under the Trust Agreement), other than a
payment default, a holder of Preferred Securities would be required to rely on
the Property Trustee (as registered holder of the Debentures) to enforce the
terms of the Debentures. In the case of a Debenture Event of Default (and
corresponding Declaration Event of Default) resulting from the failure of Host
Marriott to pay interest on or principal of the Debentures when due and
payable, then a holder of Preferred Securities may directly institute a Direct
Action against Host Marriott.
 
  For a discussion of the rights of holders of Preferred Securities under the
Guarantee and the right of holders of Preferred Securities to exercise
directly certain remedies available to holders of Debentures, see "Description
of Preferred Securities--Declaration Events of Default; Notice," "Description
of the Guarantee--Events of Default," and "Description of the Debentures--
Enforcement of Certain Rights by Holders of Preferred Securities."
 
  A default or event of default under any Senior Debt of Host Marriott will
not constitute a default under the Indenture or a Debenture Event of Default.
However, in the event of payment defaults under, or acceleration of, Senior
Debt of Host Marriott, the subordination provisions of the Indenture provide
that no payments may be made in respect of the Debentures until such Senior
Debt has been paid in full or any payment default thereunder has been cured or
waived. Failure to make required payments on the Debentures would constitute a
Debenture Event of Default.
 
LIMITED PURPOSE OF ISSUER
 
  The Preferred Securities evidence a beneficial interest in the Issuer, and
the Issuer exists for the sole purpose of issuing the Preferred Securities and
Common Securities and investing the proceeds thereof in the Debentures. A
principal difference between the rights of a holder of Preferred Securities
and a holder of Debentures is that a holder of Debentures is entitled to
receive from Host Marriott the principal amount of and interest accrued on
Debentures held, while a holder of Preferred Securities is entitled to receive
Distributions from the Issuer (or from Host Marriott under the applicable
Guarantee) if and to the extent the Issuer has funds available for the payment
of such Distributions.
 
                                      54
<PAGE>
 
RIGHTS UPON TERMINATION
 
  Upon any voluntary or involuntary termination, winding-up or liquidation of
the Issuer involving the liquidation of the Debentures, the holders of the
Preferred Securities will be entitled to receive, out of assets held by the
Issuer, the Liquidation Distribution in cash. See "Description of the
Preferred Securities--Liquidation Distribution Upon Termination." Upon any
voluntary or involuntary liquidation or bankruptcy of Host Marriott, the
Property Trustee, as holder of the Debentures, would be a subordinated
creditor of Host Marriott, subordinated in right of payment to all Senior
Debt, but entitled to receive payment in full of principal and interest before
any stockholders of Host Marriott receive payments or distributions. Since
Host Marriott is the guarantor under the Guarantee and has agreed to pay for
all costs, expenses and liabilities of the Issuer (other than the Issuer's
obligations to the holders of the Preferred Securities), the positions of a
holder of such Preferred Securities and a holder of such Debentures relative
to other creditors and to stockholders of Host Marriott in the event of
liquidation or bankruptcy of Host Marriott would be substantially the same.
 
                  DESCRIPTION OF HOST MARRIOTT CAPITAL STOCK
 
  The following description of Host Marriott's capital stock is a summary and
is subject in all respects to applicable Delaware law and to the provisions of
the Company's Restated Certificate of Incorporation and shareholder's rights
plan.
 
GENERAL
 
  Host Marriott's Restated Certificate of Incorporation (the "Company
Certificate") authorizes the issuance of a total of 301 million shares of all
classes of stock, of which one million may be shares of preferred stock,
without par value, and 300 million may be shares of Common Stock. As of March
28, 1997, approximately 202.6 million shares of Common Stock were outstanding.
The Company Certificate provides that the Board is authorized to provide for
the issuance of shares of preferred stock, from time to time, in one or more
series, and to fix any voting powers, full or limited or none, and the
designations, preferences and relative, participating, optional or other
special rights, applicable to the shares to be included in any such series and
any qualifications, limitations or restrictions thereon.
 
COMMON STOCK
 
 VOTING RIGHTS
 
  Each holder of Common Stock is entitled to one vote for each share
registered in his name on the books of Host Marriott on all matters submitted
to a vote of shareholders. Except as otherwise provided by law, the holders of
Common Stock vote as one class. The shares of Common Stock do not have
cumulative voting rights. As a result, subject to the voting rights, if any,
of the holders of any shares of Host Marriott's preferred stock which may at
the time be outstanding, the holders of Common Stock entitled to exercise more
than 50% of the voting rights in an election of directors will be able to
elect 100% of the directors to be elected if they choose to do so. In such
event, the holders of the remaining Common Stock voting for the election of
directors will not be able to elect any persons to the Board. The Company
Certificate provides that the Board is classified into three classes, each
serving a three-year term, with one class to be elected in each of three
consecutive years.
 
 DIVIDEND RIGHTS
 
  Subject to the rights of the holders of any shares of the Company's
preferred stock which may at the time be outstanding, holders of Common Stock
are entitled to such dividends as the Board of Directors may declare out of
funds legally available therefor. Host Marriott intends to retain future
earnings for use in its business and does not currently intend to pay regular
cash dividends. In addition, the MI Line of Credit contains restrictions on
the payment of dividends on the Common Stock. See "Dividend Policy."
 
                                      55
<PAGE>
 
 LIQUIDATION RIGHTS AND OTHER PROVISIONS
 
  Subject to the prior rights of creditors and the holders of any of Host
Marriott's preferred stock which may be outstanding from time to time, the
holders of Common Stock are entitled in the event of liquidation, dissolution
or winding up to share pro rata in the distribution of all remaining assets.
The Common Stock is not liable for any calls or assessments and is not
convertible into any other securities. The Company Certificate provides that
the private property of the shareholders shall not be subject to the payment
of corporate debts. There are no redemption or sinking fund provisions
applicable to the Common Stock, and the Company Certificate provides that
there shall be no preemptive rights.
 
  The transfer agent and registrar for the Common Stock is First Chicago Trust
of New York.
 
RIGHTS AND JUNIOR PREFERRED STOCK
 
  Host Marriott has adopted a shareholder rights plan as set forth in a Rights
Agreement dated February 3, 1989, as amended, between the Company and the Bank
of New York, as rights agent (the "Rights Agreement"). The following is a
summary of the terms of the Rights Agreement.
 
 RIGHTS
 
  Following the occurrence of certain events (the "Occurrence Date") and
except as described below, each right (a "Right," and, collectively, the
"Rights") will entitle the registered holder thereof to purchase from the
Company one one-thousandth of a share (a "Unit") of Host Marriott's Series A
Junior Participating Preferred Stock ("Junior Preferred Stock") at a price
(the "Purchase Price") of $150 per Unit, subject to adjustment. The Rights are
not exercisable until the Occurrence Date. The Rights expire on the tenth
anniversary of the adoption of the Rights Agreement, unless exercised in
connection with a transaction of the type described below or unless earlier
redeemed by Host Marriott.
 
  Until a Right is exercised, the holder thereof, as such, will have no rights
as a Host Marriott shareholder, including, without limitation, the right to
vote or to receive dividends.
 
  Initially, ownership of the Rights will be attached to all Common Stock
certificates representing shares then outstanding, and no separate
certificates representing the Rights (the "Rights Certificates") will be
distributed. Until the Occurrence Date (or earlier redemption or expiration of
the Rights), the Rights will be transferable only with the Common Stock, and
the surrender or transfer of any certificate of Common Stock will also
constitute the transfer of the Rights associated with the Common Stock
represented by such certificate. The Rights will separate from the Common
Stock and an Occurrence Date will occur upon the earlier of (i) 10 days
following the date (a "Stock Acquisition Date") of a public announcement that
a person or group of affiliates or associated persons (an "Acquiring Person")
has acquired, or obtained the right to acquire, beneficial ownership of 20% or
more of the outstanding Common Stock or (ii) 10 business days following the
commencement of or announcement of an intention to make a tender offer or
exchange offer, the consummation of which would result in the Acquiring Person
becoming the beneficial owner of 30% or more of such outstanding Common Stock
(such date being called the Occurrence Date).
 
  For purposes of the Rights Agreement, a person shall not be deemed to
beneficially own "Exempt Shares" which include (i) shares of Common Stock
acquired by such person by gift, bequest and certain other transfers, which
shares were Exempt Shares immediately prior to such transfer and were held by
such person continuously thereafter and (ii) shares acquired by such person in
connection with certain distributions of Common Stock with respect to Exempt
Shares which were held by such person continuously thereafter. In connection
with the Marriott International Distribution, the Board amended the Rights
Agreement to provide that the shares of Common Stock acquired by Marriott
International upon exercise of the Marriott International Purchase Right will
be deemed "Exempt Shares" under the
 
                                      56
<PAGE>
 
Rights Agreement, such that the exercise of such right by Marriott
International will not cause Marriott International to be deemed an "Acquiring
Person" under the Rights Agreement and thus trigger a distribution of the
Rights. See "Relationship Between the Company and Marriott International--
Marriott International Purchase Right."
 
  As soon as practicable following an Occurrence Date, Rights Certificates
will be mailed to holders of record of Common Stock as of the close of
business on the Occurrence Date. After such time, such separate Rights
Certificates alone will evidence the Rights and could trade independently from
the Common Stock.
 
  In the event (i) Host Marriott is the surviving corporation in a merger with
an Acquiring Person and the Common Stock is not changed or exchanged, or (ii)
an Acquiring Person becomes the beneficial owner of 30% or more of the then
outstanding shares of Common Stock (except pursuant to an offer for all
outstanding shares of Common Stock which the Board determines to be fair to
and otherwise in the best interests of the Company and its shareholders), each
holder of a Right will, in lieu of the right to receive one one-thousandth of
a share of Junior Preferred Stock, thereafter have the right to receive, upon
exercise, Common Stock (or, in certain circumstances, cash, property or other
securities of Host Marriott) having a value equal to two times the exercise
price of the Right. Notwithstanding any of the foregoing, following the
occurrence of any of the events set forth in this paragraph, all Rights that
are (or, under certain circumstances specified in the Rights Agreement, were)
beneficially owned by any Acquiring Person will be null and void. However, the
Rights are not exercisable following the occurrence of either of the events
set forth above until such time as the Rights are no longer redeemable by Host
Marriott as set forth below.
 
  For example, at an exercise price of $150 per Right, each Right not owned by
an Acquiring Person (or by certain related parties) following an event set
forth in the preceding paragraph would entitle its holder to purchase $300
worth of Common Stock (or other consideration, as noted above) for $150.
Assuming that the Common Stock had a per share value of $30 at such time, the
holder of each valid Right would be entitled to purchase 10 shares of Common
Stock for $150.
 
  In the event that, at any time following the Stock Acquisition Date, (i)
Host Marriott is acquired in a merger or other business combination
transaction in which Host Marriott is not the surviving corporation (other
than a merger described in the second preceding paragraph or a merger which
follows an offer described in the second preceding paragraph), or (ii) 50% or
more of Host Marriott's assets or earning power is sold or transferred, each
holder of a Right (except Rights which previously have been voided as set
forth above) shall thereafter have the right to receive, upon exercise, common
stock of the acquiring company having a value equal to two times the exercise
price of the Right.
 
  In general, the Board may redeem the Rights in whole, but not in part, at
any time until 10 days following the Stock Acquisition Date, at a price of
$.01 per Right. After the redemption period has expired, the Company's right
of redemption may be reinstated if an Acquiring Person reduces its beneficial
ownership to 10% or less of the outstanding shares of Common Stock in a
transaction or series of transactions not involving the Company. Immediately
upon the action of the Board ordering redemption of the Rights, the Rights
will terminate and the only right of the holders of Rights will be to receive
the $.01 per Right redemption price.
 
  The purchase price payable, and the number of shares of Junior Preferred
Stock or other securities or property issuable upon exercise of the Rights are
subject to adjustment upon the occurrence of certain events with respect to
the Company, including stock dividends, subdivisions, combinations,
reclassifications, rights or warrants offerings of Junior Preferred Stock at
less than the then current market price and certain distributions of property
or evidences of indebtedness of Host Marriott to holders of Junior Preferred
Stock, all as set forth in the Rights Agreement.
 
                                      57
<PAGE>
 
  The Rights have certain antitakeover effects. The Rights may cause
substantial dilution to a person or group that attempts to acquire Host
Marriott on terms not approved by the Board, except pursuant to an offer
conditioned on a substantial number of Rights being acquired. The Rights
should not interfere with any merger or other business combination approved by
the Board since the Rights may be redeemed by Host Marriott as set forth
above. See "Purposes and Antitakeover Effects of Certain Provisions of Host
Marriott Certificate and Bylaws and the Marriott International Purchase
Right."
 
 JUNIOR PREFERRED STOCK
 
  In connection with the Rights Agreement, 300,000 shares of Junior Preferred
Stock are authorized and reserved for issuance by the Board. No shares of
Junior Preferred Stock are currently outstanding. The material terms of the
Junior Preferred Stock are summarized herein; however, such summary is subject
to the terms of the Company Certificate and the certificate of designation
relating to the Junior Preferred Stock (the "Junior Preferred Stock
Certificate of Designation").
 
  Subject to the prior payment of cumulative dividends on any class of
preferred stock ranking senior to the Junior Preferred Stock, a holder of
Junior Preferred Stock will be entitled to cumulative dividends out of funds
legally available therefor, when, as and if declared by the Board, at a
quarterly rate per share of Junior Preferred Stock equal to the greater of (a)
$10.00 or (b) 1000 times (subject to adjustment upon certain dilutive events)
the aggregate per share amount of all cash dividends and 1000 times (subject
to adjustment upon certain dilutive events) the aggregate per share amount
(payable in kind) of all noncash dividends or other distributions (other than
dividends payable in Common Stock or a sub-division of the outstanding shares
of Common Stock) declared on Common Stock, since the immediately preceding
quarterly dividend payment date for the Junior Preferred Stock (or since the
date of issuance of the Junior Preferred Stock if no such dividend payment
date has occurred).
 
  A holder of Junior Preferred Stock will be entitled to 1000 votes (subject
to adjustment upon certain dilutive events) per share of Junior Preferred
Stock on all matters submitted to a vote of Host Marriott shareholders. Such
holders will vote together with the holders of the Common Stock as a single
class on all matters submitted to a vote of Host Marriott shareholders.
 
  In the event of a merger or consolidation of Host Marriott which results in
Common Stock being exchanged or changed for other stock, securities, cash
and/or other property, the shares of Junior Preferred Stock shall similarly be
exchanged or changed in an amount per share equal to 1000 times (subject to
adjustment upon certain dilutive events) the aggregate amount of stock,
securities, cash and/or other property, as the case may be, into which each
share of Common Stock has been exchanged or changed.
 
  In the event of liquidation, dissolution or winding up of Host Marriott, a
holder of Junior Preferred Stock will be entitled to receive $1000 per share,
plus accrued and unpaid dividends and distributions thereon, before any
distribution may be made to holders of shares of stock of Host Marriott
ranking junior to the Junior Preferred Stock, and the holders of Junior
Preferred Stock are entitled to receive an aggregate amount per share equal to
1000 times (subject to adjustment upon certain dilutive events) the aggregate
amount to be distributed per share to holders of Common Stock.
 
  In the event that dividends on the Junior Preferred Stock are in arrears in
an amount equal to six quarterly dividends thereon, all holders of Junior
Preferred Stock, voting separately as a class with the holders of any other
series of preferred stock of Host Marriott with dividends in arrears, will be
entitled to elect two directors pursuant to provisions of the Company
Certificate. Such right to elect two additional directors shall continue at
each annual meeting until all dividends in arrears (including the then-current
quarterly dividend payment) have been paid or declared and set apart for
payment. Upon
 
                                      58
<PAGE>
 
payment or declaration and reservation of funds for payment of all such
dividends, the term of office of each director elected shall immediately
terminate and the number of directors shall be such number as may be provided
for in the Company Certificate or Bylaws.
 
  The Junior Preferred Stock is not subject to redemption. The terms of the
Junior Preferred Stock provide that the Company is subject to certain
restrictions with respect to dividends and distributions on and redemptions
and purchases of shares of stock of Host Marriott ranking junior to or on a
parity with the Junior Preferred Stock in the event that payments of dividends
or other distributions payable on the Junior Preferred Stock are in arrears.
 
WARRANTS
 
  In March 1993, Host Marriott reached an agreement in principle with certain
holders and recent purchasers of its senior notes and debentures who had
either instituted or threatened litigation in response to the Special
Dividend. In August 1993, the United States District Court approved the
agreement as a class action settlement. In connection with such class action
settlement, Host Marriott issued warrants ("Warrants") to purchase up to 7.7
million shares of Host Marriott's Common Stock. As adjusted to reflect the
Special Dividend, each Warrant entitles the holder, at any time prior to 5:00
p.m. on October 8, 1998 (the "Expiration Time"), to purchase one share of
Common Stock from the Company and one-fifth share of HM Services common stock
at a price (the "Exercise Price") of $10.00. The portion of the Exercise Price
attributable to the HM Services common stock is payable to HM Services. Both
the Exercise Price and the number of shares subject to the Warrants are
subject to certain adjustments. Warrants that are not exercised prior to the
Expiration Time expire and become void. Host Marriott did not receive any
proceeds from the issuance of the Warrants.
 
  Warrantholders will not be entitled to vote or to consent or to receive
notice as shareholders in respect of the meeting of shareholders or the
election of directors of Host Marriott or any other matter, or possess any
rights whatsoever as Host Marriott.
 
  Host Marriott has also agreed to use its reasonable best efforts to obtain
any required approvals or registration under state securities laws for the
issuance of the Common Stock upon exercise of the Warrants. Under the Warrant
Agreement, however, Warrants may not be exercised by or, shares of Common
Stock issued to, any Warrant holder in any state where such exercise or
issuance would be unlawful. The Warrants have no established trading market
and no assurance can be given that any such markets will develop.
 
  As of March 28, 1997, approximately 600,000 Warrants were outstanding or
reserved for issuance.
 
                                      59
<PAGE>
 
    PURPOSES AND ANTITAKEOVER EFFECTS OF CERTAIN PROVISIONS OF THE COMPANY
     CERTIFICATE AND BYLAWS AND THE MARRIOTT INTERNATIONAL PURCHASE RIGHT
 
COMPANY CERTIFICATE AND BYLAWS
 
  The Company Certificate contains several provisions that will make difficult
an acquisition of control of the Company by means of a tender offer, open
market purchases, a proxy fight or otherwise, that is not approved by the
Board. The Company's Bylaws (the "Bylaws") also contain provisions that could
have an antitakeover effect.
 
  The purposes of the relevant provisions of the Company Certificate and
Bylaws are to discourage certain types of transactions, described below, which
may involve an actual or threatened change of control of the Company and to
encourage persons seeking to acquire control of the Company to consult first
with the Board to negotiate the terms of any proposed business combination or
offer. The provisions are designed to reduce the vulnerability of Host
Marriott to an unsolicited proposal for a takeover that does not contemplate
the acquisition of all outstanding shares or is otherwise unfair to
shareholders of Host Marriott or an unsolicited proposal for the restructuring
or sale of all or part of Host Marriott. Host Marriott believes that, as a
general rule, such proposals would not be in the best interests of the Company
and its shareholders.
 
  There has been a history of the accumulation of substantial stock positions
in public companies by third parties as a prelude to proposing a takeover or a
restructuring or sale of all or part of the company or another similar
extraordinary corporate action. Such actions are often undertaken by the
third-party without advance notice to, or consultation with, the management or
board of directors of the target company. In many cases, the purchaser seeks
representation on the company's board of directors in order to increase the
likelihood that its proposal will be implemented by the company. If the
company resists the efforts of the purchaser to obtain representation on the
company's board, the purchaser may commence a proxy contest to have its
nominees elected to the board in place of certain directors or the entire
board. In some cases, the purchaser may not truly be interested in taking over
the company, but may use the threat of a proxy fight and/or a bid to take over
the company as a means of forcing the company to repurchase its equity
position at a substantial premium over market price.
 
  Host Marriott believes that the imminent threat of removal of Host
Marriott's management or Board in such situations would severely curtail the
ability of management or the Board to negotiate effectively with such
purchasers. The management or the Board would be deprived of the time and
information necessary to evaluate the takeover proposal, to study alternative
proposals and to help ensure that the best price is obtained in any
transaction involving the Company which may ultimately be undertaken. If the
real purpose of a takeover bid were to force the Company to repurchase an
accumulated stock interest at a premium price, management or the Board would
face the risk that, if it did not repurchase the purchaser's stock interest,
Host Marriott's business and management would be disrupted, perhaps
irreparably.
 
  Certain provisions of the Company Certificate and Bylaws, Host Marriott
believes, will help ensure that the Board, if confronted by a surprise
proposal from a third party which has acquired a block of stock, will have
sufficient time to review the proposal and appropriate alternatives to the
proposal and to act in what it believes to be the best interests of the
shareholders. In addition, certain other provisions of the Company Certificate
are designed to prevent a purchaser from utilizing two-tier pricing and
similar inequitable tactics in the event of an attempt to take over Host
Marriott.
 
  These provisions, individually and collectively, will make difficult and may
discourage a merger, tender offer or proxy fight, even if such transaction or
occurrence may be favorable to the interests of the shareholders, and may
delay or frustrate the assumption of control by a holder of a large block of
stock of Host Marriott and the removal of incumbent management, even if such
removal might be
 
                                      60
<PAGE>
 
beneficial to the shareholders. Furthermore, these provisions may deter or
could be utilized to frustrate a future takeover attempt which is not approved
by the incumbent Board, but which the holders of a majority of the shares may
deem to be in their best interests or in which shareholders may receive a
substantial premium for their stock over prevailing market prices of such
stock. By discouraging takeover attempts, these provisions might have the
incidental effect of inhibiting certain changes in management (some or all of
the members of which might be replaced in the course of a change of control)
and also the temporary fluctuations in the market price of the stock which
often result from actual or rumored takeover attempts. Set forth below is a
description of such provisions in the Company Certificate and Bylaws. Such
description is intended as a summary only and is qualified in its entirety by
reference to the Company Certificate and Bylaws.
 
 CLASSIFIED BOARD OF DIRECTORS
 
  The Company Certificate provides for the Board to be divided into three
classes serving staggered terms so that directors' current terms will expire
at the 1997, 1998 or 1999 annual meeting of shareholders.
 
  The classification of directors will have the effect of making it more
difficult for shareholders to change the composition of the Board in a
relatively short period of time. At least two annual meetings of shareholders,
instead of one, will generally be required to effect a change in a majority of
the Board. Such a delay may help ensure that the Board, if confronted by a
holder attempting to force a stock repurchase at a premium above market
prices, a proxy contest or an extraordinary corporate transaction, will have
sufficient time to review the proposal and appropriate alternatives to the
proposal and to act in what it believes are the best interests of the
shareholders.
 
  The classified board provision could have the effect of discouraging a third
party from making a tender offer or otherwise attempting to obtain control of
Host Marriott, even though such an attempt might be beneficial to the Company
and its shareholders. The classified board provision could thus increase the
likelihood that incumbent directors will retain their positions. In addition,
since the classified board provision is designed to discourage accumulations
of large blocks of Host Marriott's stock by purchasers whose objective is to
have such stock repurchased by the Company at a premium, the classified board
provision could tend to reduce the temporary fluctuations in the market price
of Host Marriott's stock that could be caused by accumulations of large blocks
of such stock. Accordingly, shareholders could be deprived of certain
opportunities to sell their stock at a temporarily higher market price.
 
  Host Marriott believes that a classified board of directors helps to assure
the continuity and stability of the Board and business strategies and policies
as determined by the Board, because generally a majority of the directors at
any given time will have had prior experience as directors of Host Marriott.
The classified board provision also helps assure that the Board, if confronted
with an unsolicited proposal from a third party that has acquired a block of
the voting stock of Host Marriott, will have sufficient time to review the
proposal and appropriate alternatives and to seek the best available result
for all shareholders.
 
 REMOVAL; FILLING VACANCIES
 
  The Company Certificate provides that, subject to any rights of the holders
of preferred stock, only a majority of the Board then in office shall have the
authority to fill any vacancies on the Board, including vacancies created by
an increase in the number of directors. In addition, the Company Certificate
provides that a new director elected to fill a vacancy on the Board will serve
for the remainder of the full term of his or her class and that no decrease in
the number of directors shall shorten the term of an incumbent. Moreover, the
Company Certificate provides that directors may be removed with or without
cause only by the affirmative vote of holders of at least 66 2/3% of the
voting
 
                                      61
<PAGE>
 
power of the shares entitled to vote at the election of directors, voting
together as a single class. These provisions relating to removal and filling
of vacancies on the Board will preclude shareholders from enlarging the Board
or removing incumbent directors and filling the vacancies with their own
nominees.
 
 LIMITATIONS ON SHAREHOLDER ACTION BY WRITTEN CONSENT; SPECIAL MEETINGS
 
  The Company Certificate and Bylaws provide that shareholder action can be
taken only at an annual or special meeting of shareholders and prohibit
shareholder action by written consent in lieu of a meeting. The Company
Certificate and Bylaws provide that, subject to the rights of holders of any
series of preferred stock, special meetings of shareholders can be called only
by a majority of the entire Board. Shareholders are not permitted to call a
special meeting or to require that the Board call a special meeting of
shareholders. Moreover, the business permitted to be conducted at any special
meeting of shareholders is limited to the business brought before the meeting
by or at the direction of the Board.
 
  The provisions of the Company Certificate and Bylaws restricting shareholder
action by written consent may have the effect of delaying consideration of a
shareholder proposal until the next annual meeting unless a special meeting is
called by a majority of the entire Board. These provisions would also prevent
the holders of a majority of the voting power of the voting stock from using
the written consent procedure to take shareholder action and from taking
action by consent without giving all the shareholders entitled to vote on a
proposed action the opportunity to participate in determining such proposed
action. Moreover, a shareholder could not force shareholder consideration of a
proposal over the opposition of the Board by calling a special meeting of
shareholders prior to the time the Board believed such consideration to be
appropriate.
 
  Host Marriott believes that such limitations on shareholder action will help
to assure the continuity and stability of the Board and Host Marriott's
business strategies and policies as determined by the Board, to the benefit of
all of the Company's shareholders. If confronted with an unsolicited proposal
from Company shareholders, the Board will have sufficient time to review such
proposal and to seek the best available result for all shareholders, before
such proposal is approved by such shareholders by written consent in lieu of a
meeting or through a special meeting of shareholders.
 
 NOMINATIONS OF DIRECTORS AND SHAREHOLDER PROPOSALS
 
  The Bylaws establish an advance notice procedure with regard to the
nomination, other than by or at the direction of the Board, of candidates for
election as directors (the "Nomination Procedure") and with regard to
shareholder proposals to be brought before an annual or special meeting of
shareholders (the "Business Procedure").
 
  The Nomination Procedure provides that only persons who are nominated by or
at the direction of the Board, or by a shareholder who has given timely prior
written notice to the Corporate Secretary of Host Marriott prior to the
meeting at which directors are to be elected, will be eligible for election as
directors. The Business Procedure provides that shareholder proposals must be
submitted in writing in a timely manner in order to be considered at any
annual or special meeting. To be timely, notice must be received by Host
Marriott (i) in the case of an annual meeting, not less than 90 days prior to
the annual meeting for a director nomination, and not less than 120 days prior
to the annual meeting for a shareholder proposal or (ii) in the case of a
special meeting not later than the seventh day following the day on which
notice of such meeting is first given to shareholders for both a director
nomination and a shareholder proposal.
 
  Under the Nomination Procedure, notice to Host Marriott from a shareholder
who proposes to nominate a person at a meeting for election as a director must
contain certain information about that person, including age, business and
residence addresses, principal occupation, the class and number
 
                                      62
<PAGE>
 
of shares of Common Stock beneficially owned, the consent to be nominated and
such other information as would be required to be included in a proxy
statement soliciting proxies for the election of the proposed nominee, and
certain information about the shareholder proposing to nominate that person.
Under the Business Procedure, notice relating to a shareholder proposal must
contain certain information about such proposal and about the shareholder who
proposes to bring the proposal before the meeting, including the class and
number of shares of Common Stock beneficially owned by such shareholder. If
the Chairman or other officer presiding at a meeting determines that a person
was not nominated in accordance with the Nomination Procedure, such person
will not be eligible for election as a director, or if he determines that the
shareholder proposal was not properly brought before such meeting, such
proposal will not be introduced at such meeting. Nothing in the Nomination
Procedure or the Business Procedure will preclude discussion by any
shareholder of any nomination or proposal properly made or brought before an
annual or special meeting in accordance with the above-mentioned procedures.
 
  The purpose of the Nomination Procedure is, by requiring advance notice of
nomination by shareholders, to afford the Board a meaningful opportunity to
consider the qualifications of the proposed nominees and, to the extent deemed
necessary or desirable by the Board, to inform shareholders about such
qualifications. The purpose of the Business Procedure is, by requiring advance
notice of shareholder proposals, to provide a more orderly procedure for
conducting annual meetings of shareholders and, to the extent deemed necessary
or desirable by the Board, to provide the Board with a meaningful opportunity
to inform shareholders, prior to such meetings, of any proposal to be
introduced at such meetings, together with any recommendation as to the
Board's position or belief as to action to be taken with respect to such
proposal, so as to enable shareholders better to determine whether they desire
to attend such meeting or grant a proxy to the Board as to the disposition of
any such proposal. Although the Bylaws do not give the Board any power to
approve or disapprove shareholder nominations for the election of directors or
of any other proposal submitted by shareholders, the Bylaws may have the
effect of precluding a nomination for the election of directors or precluding
the conducting of business at a particular shareholder meeting if the proper
procedures are not followed, and may discourage or deter a third-party from
conducting a solicitation of proxies to elect its own slate of directors or
otherwise attempting to obtain control of the Company, even if the conduct of
such solicitation or such attempt might be beneficial to the Company and its
shareholders.
 
 FAIR PRICE PROVISION
 
  Article Fifteen of the Company Certificate (the "Fair Price Provision")
requires approval by the holders of 66 2/3% of the voting power of the
outstanding capital stock of the Company entitled to vote generally in the
election of directors (the "Voting Stock") as a condition for mergers and
certain other business combinations ("Business Combinations") involving the
Company and any holder of more than 25% of such voting power (an "Interested
Shareholder") unless the transaction is either (i) approved by a majority of
the members of the Board who are not affiliated with the Interested
Shareholder and who were directors before the Interested Shareholder became an
Interested Shareholder (the "Disinterested Directors") or (ii) certain minimum
price and procedural requirements are met.
 
  The Fair Price Provision is designed to prevent a third party from utilizing
two-tier pricing and similar inequitable tactics in a takeover attempt. The
Fair Price Provision is not designed to prevent or discourage tender offers
for the Company. It does not impede an offer for at least 66 2/3% of the
Voting Stock in which each shareholder receives substantially the same price
for his or her shares as each other shareholder or which the Board has
approved in the manner described herein. Nor does the Fair Price Provision
preclude a third party from making a tender offer for some of the shares of
Voting Stock without proposing a Business Combination in which the remaining
shares of Voting Stock are purchased. Except for the restrictions on Business
Combinations, the Fair Price Provision will not prevent an Interested
Shareholder having a controlling interest of the Voting Stock from exercising
control over Host Marriott or increasing its interest in Host Marriott.
Moreover, an Interested
 
                                      63
<PAGE>
 
Shareholder could increase its ownership to 66 2/3% and avoid application of
the Fair Price Provision. However, the separate provisions contained in the
Company Certificate and the Bylaws relating to "Classified Boards of
Directors" discussed above will, as therein indicated, curtail an Interested
Shareholder's ability to exercise control in several respects, including such
shareholder's ability to change incumbent directors who may oppose a Business
Combination or to implement a Business Combination by written consent without
a shareholder meeting. The Fair Price Provision would, however, discourage
some takeover attempts by persons intending to acquire the Company in two
steps and to eliminate remaining shareholder interests by means of a business
combination involving less consideration per share than the acquiring person
would propose to pay for its initial interest in the Company. In addition,
acquisitions of stock by persons attempting to acquire control through market
purchases may cause the market price of the stock to reach levels which are
higher than would otherwise be the case. The Fair Price Provision may thereby
deprive some holders of the Common Stock of an opportunity to sell their
shares at a temporarily higher market price.
 
  Although the Fair Price Provision is designed to help assure fair treatment
of all shareholders vis-a-vis other shareholders in the event of a takeover,
it is not the purpose of the Fair Price Provision to assure that shareholders
will receive a premium price for their shares in a takeover. Accordingly, the
Board is of the view that the adoption of the Fair Price Provision does not
preclude the Board's opposition to any future takeover proposal which it
believes would not be in the best interests of the Company and its
shareholders, whether or not such a proposal satisfies the minimum price
criteria and procedural requirements of the Fair Price Provision.
 
  In addition, under Section 203 of the Delaware General Corporation Law as
applicable to Host Marriott, certain "business combinations" (defined
generally to include (i) mergers or consolidations between a Delaware
corporation and an interested shareholder (as defined below) and (ii)
transactions between a Delaware corporation and an interested shareholder
involving the assets or stock of such corporation or its majority-owned
subsidiaries, including transactions which increase the interested
shareholder's percentage ownership of stock) between a Delaware corporation,
whose stock generally is publicly traded or held of record by more than 2,000
shareholders, and an interested shareholder (defined generally as those
shareholders, who, on or after December 23, 1987, become beneficial owners of
15% or more of a Delaware corporation's voting stock) are prohibited for a
three-year period following the date that such shareholder became an
interested shareholder, unless (i) prior to the date such shareholder became
an interested shareholder, the board of directors of the corporation approved
either the business combination or the transaction which resulted in the
shareholder becoming an interested shareholder, (ii) upon consummation of the
transaction that made such shareholder an interested shareholder, the
interested shareholder owned at least 85% of the voting stock of the
corporation outstanding at the time the transaction commenced (excluding
voting stock owned by officers who also are directors and voting stock held in
employee benefit plans in which the employees do not have a confidential right
to tender or vote stock held by the plan), or (iii) the business combination
was approved by the board of directors of the corporation and ratified by two-
thirds of the voting stock which the interested shareholder did not own. The
three-year prohibition also does not apply to certain business combinations
proposed by an interested shareholder following the announcement or
notification of certain extraordinary transactions involving the corporation
and a person who had been an interested shareholder during the previous three
years or who became an interested shareholder with the approval of a majority
of the corporation's directors.
 
  SHAREHOLDER RIGHTS PLAN
 
  Host Marriott has adopted a shareholder rights plan which may have anti-
takeover effects. See "Description of Host Marriott Capital Stock--Rights and
Junior Preferred Stock."
 
  AMENDMENT OF THE COMPANY CERTIFICATE AND BYLAWS
 
  The Company Certificate contains provisions requiring the affirmative vote
of the holders of at least 66 2/3% the voting power of the stock entitled to
vote generally in the election of directors to
 
                                      64
<PAGE>
 
amend certain provisions of the Company Certificate and Bylaws (including the
provisions discussed above). These provisions make it more difficult for
shareholders to make changes in the Company Certificate or Bylaws, including
changes designed to facilitate the exercise of control over the Company. In
addition, the requirement for approval by at least a 66 2/3% shareholder vote
will enable the holders of a minority of the Company's capital stock to
prevent holders of a less-than-66 2/3% majority from amending such provisions
of the Company's Certificate or Bylaws.
 
MARRIOTT INTERNATIONAL PURCHASE RIGHT
 
  Host Marriott granted to Marriott International, for a period of ten years
following the Marriott International Distribution (i.e., until October 2003),
the right to purchase a number of shares equal in amount of up to 20% of each
class of Host Marriott's outstanding voting stock at the then fair market
value upon the occurrence of certain change of control events involving the
Company. The Marriott International Purchase Right may be exercised for a 30-
day period following the date a person or group of affiliated persons has (i)
become the beneficial owner of 20% or more of the total voting power of the
then outstanding shares of the Company's voting stock or (ii) announced a
tender offer for 30% or more of the total voting power of the then outstanding
shares of the Company's voting stock. These change of control events upon
which the Marriott International Purchase Right becomes exercisable are
substantially identical to those events that cause a distribution of the
Rights under the Rights Agreement (see "Description of Host Marriott Capital
Stock--Rights and Junior Preferred Stock"). Accordingly, certain share
ownership of the Company's voting stock by specified persons is exempt under
the Rights Agreement, and consequently will not result in a distribution of
Rights, and will not cause the Marriott International Purchase Right to become
exercisable.
 
  In connection with the Marriott International Distribution, the Board
amended the terms of the Rights Agreement to provide that the exercise of the
Marriott International Purchase Right will not result in a distribution of the
Rights. Accordingly, upon exercise of the Marriott International Purchase
Right, Marriott International will be entitled to receive the Rights
associated with the Common Stock and will not be deemed an "Acquiring Person"
under the Rights Agreement.
 
  The purchase price for the Common Stock to be purchased upon the exercise of
the Marriott International Purchase Right is determined by taking the average
of the closing sale price of the Common Stock during the 30 consecutive
trading days preceding the date the Marriott International Purchase Right
becomes exercisable. The specific terms of the Marriott International Purchase
Right are set forth in the Marriott International Distribution Agreement.
 
  The Marriott International Purchase Right will have an antitakeover effect.
Any person considering acquiring a substantial or controlling block of Common
Stock would face the possibility that its ability to exercise control would be
impaired by Marriott International's 20% ownership resulting from exercise of
the Marriott International Purchase Right. Moreover, so long as the Marriott
family's current percentage of ownership of Common Stock continues, the
combined Marriott family (including various trusts established by members of
the Marriott family) and Marriott International ownership following exercise
of the Marriott International Purchase Right may effectively block control by
others (see "Description of Host Marriott Capital Stock"). It is also possible
that the exercise price of the Marriott International Purchase Right would be
lower than the price at which a potential acquiror might be willing to
purchase a 20% block of shares of Common Stock because the purchase price for
the Marriott International Purchase Right is based on the average trading
price during a 30-day period which may be prior to the announcement of the
takeover event. This potential price differential may have a further
antitakeover effect by discouraging potential acquirers of Host Marriott. The
antitakeover effect of the Marriott International Purchase Right will be in
addition to the antitakeover effects of the provisions contained in the
Company Certificate and Bylaws.
 
                                      65
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                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
  Latham & Watkins, special United States tax counsel to the Issuer and Host
Marriott, has advised the Issuer and Host Marriott that the following
discussion expresses its opinion as to the material United States Federal
income tax consequences expected to result to holders from the purchase,
ownership and disposition of the Preferred Securities. Such opinion is based
on current provisions of the Internal Revenue Code of 1986, as amended (the
"Code"), applicable Treasury regulations, judicial authority and
administrative rulings and practice. There can be no assurance that the
Internal Revenue Service (the "Service") will not take a contrary view, and no
ruling from the Service has been or will be sought. Legislative, judicial or
administrative changes or interpretations may be forthcoming that could alter
the statements and conclusions set forth herein. Any changes or
interpretations may or may not be retroactive and could affect the tax
consequences to holders. Unless otherwise stated, this summary deals only with
Preferred Securities held as capital assets. It does not deal with special
classes of holders such as banks, thrifts, real estate investment trusts,
regulated investment companies, insurance companies, dealers in securities or
currencies, tax-exempt investors, foreign corporations and persons who are not
citizens or residents of the United States (except to the extent discussed
under the heading "Certain United States Tax Consequences to Non-United States
Holders") or persons that will hold the Preferred Securities as a position in
a "straddle," as part of a "synthetic security" or "hedge," as part of a
"conversion transaction" or other integrated investment, or as other than a
capital asset. This summary also does not address the tax consequences to
persons that have a functional currency other than the U.S. Dollar. Further,
it does not include any description of any alternative minimum tax
consequences or the tax laws of any state or local government or of any
foreign government that may be applicable to the Preferred Securities.
 
  INVESTORS ARE ADVISED TO CONSULT THEIR TAX ADVISORS AS TO THE UNITED STATES
FEDERAL INCOME TAX CONSEQUENCES OF THE OWNERSHIP AND DISPOSITION OF PREFERRED
SECURITIES IN LIGHT OF THEIR PARTICULAR CIRCUMSTANCES, AS WELL AS THE EFFECT
OF ANY STATE, LOCAL, FOREIGN OR OTHER TAX LAWS AND OF POTENTIAL CHANGES IN
APPLICABLE TAX LAWS.
 
CLASSIFICATION OF THE DEBENTURES
 
  Host Marriott has taken the position that the Debentures will be classified
for United States Federal income tax purposes as indebtedness of Host Marriott
under current law and, by acceptance of Preferred Securities, each holder
covenants to treat the Debentures as indebtedness and the Preferred Securities
as evidence of an indirect beneficial ownership interest in the Debentures. No
assurance can be given, however, that such position of Host Marriott will not
be challenged by the Service or, if challenged, that such a challenge will not
be successful. The remainder of this discussion assumes that the Debentures
will be classified as indebtedness of Host Marriott for United States Federal
income tax purposes.
 
CLASSIFICATION OF THE ISSUER
 
  In connection with the issuance of the Preferred Securities, Latham &
Watkins rendered its opinion generally to the effect that, under then current
law and assuming full compliance with the terms of the Trust Agreement and the
Indenture (and certain other documents), based on certain facts and
assumptions contained in such opinion, the Trust will be classified for United
States Federal income tax purposes as a grantor trust and not as an
association taxable as a corporation. Accordingly, for United States Federal
income tax purposes, each holder of Preferred Securities generally will be
considered the owner of an undivided interest in the Debentures, and each
holder will be required to include in its gross income any original issue
discount accrued with respect to its allocable share of those Debentures.
 
ORIGINAL ISSUE DISCOUNT
 
  Because Host Marriott has the option, under the terms of the Debentures, to
defer payments of interest by extending interest payment periods for up to 60
months, all of the stated interest payments
 
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on the Debentures will be treated as "original issue discount." Under the
Code, holders of debt instruments (such as the Debentures) issued with
original issue discount must include that discount in income on an economic
accrual basis before the receipt of cash attributable to the interest,
regardless of their method of tax accounting. Generally, all of a holder's
taxable interest income with respect to the Debentures will be accounted for
as original issue discount. Actual payments and distributions of stated
interest will not, however, be separately reported as taxable income. The
amount of original issue discount that accrues in any quarter will
approximately equal the amount of the interest that accrues on the Debentures
in that quarter at the stated interest rate. In the event that the interest
payment period is extended, holders will continue to accrue original issue
discount in an amount approximately equal to the amount of the interest
payment due at the end of the extended interest payment period on an economic
accrual basis over the length of the extended interest payment period.
 
  Because income on the Debentures will constitute original issue discount,
corporate holders will not be entitled to a dividends-received deduction with
respect to any income recognized with respect to the Debentures.
 
LIQUIDATED DAMAGES
 
  Host Marriott intends to take the position that the Liquidated Damages
described above under "Description of the Preferred Securities--Registration
Rights" will be taxable to a holder as ordinary income in accordance with the
holder's usual method of income tax accounting. The Service may take a
different position, however, which could affect both the timing of the
holder's income and the timing and amount of Host Marriott's deduction with
respect to the Liquidated Damages.
 
REDEMPTION OF PREFERRED SECURITIES FOR DEBENTURES OR CASH UPON LIQUIDATION OF
THE ISSUER
 
  Under certain circumstances, the Debentures may be distributed to holders in
exchange for the Preferred Securities. Under current law, such a distribution
to holders, for United States Federal income tax purposes, would be treated as
a nontaxable event to each holder, and each holder would receive an aggregate
tax basis in the Debentures distributed equal to such holder's aggregate tax
basis in its Preferred Securities exchanged therefor. A holder's holding
period in the Debentures so received would include the period during which the
Preferred Securities were held by such holder. If, however, the exchange is
caused by a Tax Event which results in the Issuer being treated as an
association taxable as a corporation the distribution would likely constitute
a taxable event to the Issuer and holders of the Preferred Securities.
 
  Under certain circumstances described herein (see "Special Event Exchange or
Redemption"), the Debentures may be redeemed for cash and the proceeds of such
redemption distributed to holders in redemption of their Preferred Securities.
Under current law, such a redemption would, for United States Federal income
tax purposes, constitute a taxable disposition of the redeemed Preferred
Securities, and a holder would recognize gain or loss in the same manner as if
it sold such redeemed Preferred Securities for cash. See "--Sales of Preferred
Securities".
 
SALES OF PREFERRED SECURITIES
 
  A holder that sells Preferred Securities will recognize gain or loss equal
to the difference between the amount realized on the sale of the Preferred
Securities and the holder's adjusted tax basis in such Preferred Securities. A
holder's adjusted tax basis in the Preferred Securities generally will be its
initial purchase price increased by original issue discount previously
includible in such holder's gross income to the date of disposition and
decreased by payments received on the Preferred Securities to the date of
disposition. In general, such gain or loss will be a capital gain or loss and
will be a long-term capital gain or loss if the Preferred Securities have been
held for more than one year at the time of sale.
 
 
                                      67
<PAGE>
 
  The Preferred Securities may trade at a price that does not accurately
reflect the value of accrued but unpaid interest with respect to the
underlying Debentures. A holder who disposes of or converts his Preferred
Securities between record dates for payments of distributions thereon will be
required to include accrued but unpaid interest on the Debentures through the
date of disposition or conversion in income as ordinary income, and to add
such amount to his adjusted tax basis in his pro rata share of the underlying
Debentures deemed disposed of or converted. To the extent the selling price is
less than the holder's adjusted tax basis (which basis will include, in the
form of original issue discount, all accrued but unpaid interest), a holder
will recognize a capital loss. Subject to certain limited exceptions, capital
losses cannot be applied to offset ordinary income for United States Federal
income tax purposes.
 
MARKET DISCOUNT AND BOND PREMIUM
 
  To the extent a holder acquires its Preferred Securities at a price that is
greater or less than the adjusted issue price of such holder's proportionate
share of the Debentures (which generally should approximate the face amount
plus accrued but unpaid interest on the Debentures), the holder may be deemed
to have acquired its undivided interest in the Debentures with acquisition
premium or market discount. A holder who purchases Preferred Securities at a
premium will be permitted to reduce the amount of original issue discount
required to be included in income to reflect the acquisition premium. A holder
who purchases Preferred Securities at a market discount will include the
amount of such discount in income in accordance with the market discount rules
described below.
 
  A holder that acquires its undivided beneficial interest in the Debentures
at a market discount generally will be required to recognize ordinary income
to the extent of accrued market discount on the Debentures upon their
retirement or, to the extent of any gain, upon the disposition of the
Preferred Securities. Such market discount will accrue ratably or, at the
election of the holder, under a constant yield method over the remaining term
of the Debentures. A holder will also be required to defer the deduction of a
portion of the interest paid or accrued on indebtedness incurred to purchase
or carry Preferred Securities that represent an undivided interest in
Debentures acquired with market discount. In lieu of the foregoing, a holder
may elect to include market discount in income currently as it accrues on all
market discount instruments acquired by such holder in the taxable year of the
election or thereafter, in which case the interest deferral rules will not
apply.
 
  A holder may elect, in lieu of applying the market discount or acquisition
premium rules described above, to account for all income under the Debentures
as if it were original issue discount. A holder that makes this election and
that is considered to have acquired its beneficial interest in the Debentures
with market discount will be considered to have made the election described in
the immediately preceding paragraph.
 
CONVERSION OF PREFERRED SECURITIES INTO HOST MARRIOTT COMMON STOCK
 
  Except possibly to the extent attributable to accrued and unpaid interest on
the Debentures, a holder of Preferred Securities will not recognize income,
gain or loss upon the conversion of the Preferred Securities into Host
Marriott Common Stock through the Conversion Agent. A holder of Preferred
Securities will, however, recognize gain upon the receipt of cash in lieu of a
fractional share of Host Marriott Common Stock equal to the amount of cash
received less such holder's tax basis in such fractional share. Such a
holder's tax basis in the Host Marriott Common Stock received upon conversion
should generally be equal to such holder's tax basis in the Preferred
Securities delivered to the Conversion Agent for exchange less the basis
allocated to any fractional share for which cash is received, and such
holder's holding period in the Host Marriott Common Stock received upon
conversion should generally begin on the date such holder acquired the
Preferred Securities delivered to the Conversion Agent for exchange.
 
  Holders of Preferred Securities should not recognize gain or loss upon
expiration of the conversion rights. Such expiration should not effect a
significant modification of the underlying Debentures within
 
                                      68
<PAGE>
 
the meaning of applicable Treasury Regulations, and thus will not be
considered a sale or exchange for purposes of federal income taxation.
 
ADJUSTMENT OF CONVERSION PRICE
 
  Treasury Regulations promulgated under Section 305 of the Code would treat
holders of Preferred Securities as having received a constructive distribution
from Host Marriott in the event the conversion ratio of the Debentures were
adjusted if (i) as a result of such adjustment, the proportionate interest
(measured by the quantum of Host Marriott Common Stock into or for which the
Debentures are convertible or exchangeable) of the holders of the Preferred
Securities in the assets or earnings and profits of Host Marriott were
increased, and (ii) the adjustment was not made pursuant to a bona fide,
reasonable antidilution formula. An adjustment in the conversion ratio would
not be considered made pursuant to such a formula if the adjustment was made
to compensate for certain taxable distributions with respect to the Host
Marriott Common Stock. Thus, under certain circumstances, a reduction in the
conversion price for the holders may result in deemed dividend income to
holders to the extent of the current or accumulated earnings and profits of
Host Marriott. Holders of the Preferred Securities would be required to
include their allocable share of such deemed dividend income in gross income
but would not receive any cash related thereto.
 
INFORMATION REPORTING TO HOLDERS
 
  The Issuer will report the original issue discount, if any, that accrued
during the year with respect to the Debentures, and any gross proceeds
received by the Issuer from the retirement or redemption of the Debentures,
annually to the holders of record of the Preferred Securities and the Service.
The Issuer currently intends to deliver such reports to holders of record
prior to January 31 following each calendar year. It is anticipated that
persons who hold Preferred Securities as nominees for beneficial holders will
report the required tax information to beneficial holders on Form 1099.
 
BACKUP WITHHOLDING
 
  Payments made on, and proceeds from the sale of, Preferred Securities may be
subject to a "backup" withholding tax of 31% unless the holder complies with
certain identification requirements. Any withheld amounts will generally be
allowed as a credit against the holder's Federal income tax, provided the
required information is timely filed with the Internal Revenue Service.
 
POSSIBLE TAX LEGISLATION
 
  As part of President Clinton's Fiscal 1998 Budget Proposal, the Treasury
Department has proposed legislation that, among other things, would treat as
equity for United States Federal income tax purposes instruments with a
maximum term of more than 15 years that are not shown as indebtedness on the
separate balance sheet of the issuer. President Clinton's Budget Proposal, in
its current form, would be effective generally for instruments issued on or
after the date of first committee action on the proposal and therefore would
not apply to the Preferred Securities. Nevertheless, there can be no assurance
that future legislation would not have a retroactive effective date and that
any such future legislation would not prevent Host Marriott from deducting
interest on the Debentures. This would constitute a Tax Event and would permit
the Issuer to exchange the Preferred Securities, in whole or in part, for the
Debentures. See "Description of the Preferred Securities--Special Event
Exchange or Redemption."
 
CERTAIN UNITED STATES TAX CONSEQUENCES TO NON-UNITED STATES HOLDERS
 
  GENERAL. The following is a general discussion of certain United States
Federal income and estate tax consequences of the acquisition, ownership and
disposition of Preferred Securities by a "Non-United States Holder" and does
not deal with tax consequences arising under the laws of any foreign, state,
or local jurisdiction. As used herein, a "Non-United States Holder" is a
person or entity that, for United States Federal income tax purposes, is not a
citizen or resident of the United States, a
 
                                      69
<PAGE>
 
corporation, partnership, or other entity created or organized under the laws
of the United States or a political subdivision thereof, or an estate or
trust, the income of which is subject to United States Federal income taxation
regardless of its source, or that otherwise is subject to United States
federal income taxation on a net basis in respect of the Preferred Securities.
The tax treatment of the holders of the Preferred Securities may vary
depending upon their particular situations. Certain holders (including
insurance companies, tax exempt organizations, financial institutions and
broker-dealers) may be subject to special rules not discussed below.
Prospective investors who are Non-United States Holders are urged to consult
their tax advisors regarding the United States Federal tax consequences of
acquiring, holding and disposing of Preferred Securities and Host Marriott
Common Stock, as well as any tax consequences that may arise under the laws of
any foreign, state, local or other taxing jurisdiction.
 
  INTEREST. Interest (including original issue discount) received or accrued
by a Non-United States Holder of Preferred Securities will not be subject to
United States Federal income or withholding tax if such interest is not
effectively connected with the conduct of a trade or business within the
United States by such Non-United States Holder and (i) the Non-United States
Holder does not actually or constructively own 10% or more of the total voting
power of all voting stock of Host Marriott and is not a controlled foreign
corporation with respect to which Host Marriott is a "related person" within
the meaning of the Code and (ii) the beneficial owner of the Preferred
Securities certifies, under penalties
of perjury, that the beneficial owner is not a United States person and
provide the beneficial owner's name and address.
 
  GAIN ON DISPOSITION OF PREFERRED SECURITIES. A Non-United States Holder will
generally not be subject to United States federal income tax on gain
recognized on a sale, redemption or other disposition of a Preferred Security
unless (i) the gain is effectively connected with the conduct of a trade or
business within the United States by the Non-United States Holder, (ii) in the
case of a Non-United States Holder who is a nonresident alien individual and
holds the Preferred Security as a capital asset, such holder is present in the
United States for 183 or more days in the taxable year and certain other
requirements are met.
 
  DIVIDENDS ON HOST MARRIOTT COMMON STOCK. In the event that dividends are
paid on Host Marriott Common Stock, except as described below, such dividends
paid to a Non-United States Holder of Host Marriott Common Stock will be
subject to withholding of United States Federal income tax at a 30% rate or
such lower rate as may be specified by an applicable income tax treaty, unless
the dividends are effectively connected with the conduct of a trade or
business of the Non-United States Holder within the United States. If the
dividend is effectively connected with the conduct of a trade or business of
the Non-United States Holder within the United States, the dividend would be
subject to United States Federal income tax on a net income basis at
applicable graduated individual or corporate rates and would be exempt from
the 30% withholding tax described above. Any such effectively connected
dividends received by a foreign corporation may, under certain circumstances,
be subject to an additional "branch profits tax" at a 30% rate or such lower
rate as may be specified by an applicable income tax treaty.
 
  Under current United States Treasury regulations, dividends paid to an
address outside the United States are presumed to be paid to a resident of
such country for purposes of the withholding discussed above, and, under the
current interpretation of United States Treasury regulations, for purposes of
determining the applicability of a tax treaty rate. Under proposed United
States Treasury regulations, not currently in effect, however, a Non-United
States Holder of Host Marriott Common Stock who wishes to claim the benefit of
an applicable treaty rate would be required to satisfy applicable
certification and other requirements. Certain certification and disclosure
requirements must be complied with in order to be exempt from withholding
under the effectively connected income exemption discussed above.
 
                                      70
<PAGE>
 
  A Non-United States Holder of Host Marriott Common Stock that is eligible
for a reduced rate of United States withholding tax pursuant to a tax treaty
may obtain a refund of any excess amounts currently withheld by filing an
appropriate claim for refund with the United States Internal Revenue Service.
 
  GAIN ON DISPOSITION OF HOST MARRIOTT COMMON STOCK. A Non-United States
Holder generally will not be subject to United States Federal income tax on
any gain recognized on a disposition of the Host Marriott Common Stock unless
(i) subject to the exception discussed below, Host Marriott is or has been a
"United States real property holding corporation" (a "USRPHC") within the
meaning of Section 897(c)(2) of the Code at any time within the shorter of the
five-year period preceding such disposition or such Non-United States Holder's
holding period (the "Required Holding Period"), (ii) the gain is effectively
connected with the conduct of a trade or business within the United States of
the Non-United States Holder and, if a tax treaty applies, attributable to a
permanent establishment maintained by the Non-United States Holder, (iii) the
Non-United States Holder is an individual who holds the Host Marriott Common
Stock as a capital asset and is present in the United States for 183 days or
more in the taxable year of the disposition and either (a) such individual has
a "tax home" (as defined for United States Federal income tax purposes) in the
United States or (b) the gain is attributable to an office or other fixed
place of business maintained in the United States by such individual, or (iv)
the Non-United States Holder is subject to tax pursuant to the Code provisions
applicable to certain United States expatriates. If an individual Non-United
States Holder falls under clauses (ii) or (iv) above, he or she will be taxed
on his or her net gain derived from the sale under regular United States
Federal income tax rates. If the individual Non-United States Holder falls
under clauses (iii) above, he or she will be subject to a flat 30% tax on the
gain derived from the sale which may be offset by United States capital losses
(notwithstanding the fact that he or she is not considered a resident of the
United States). If a Non-United States Holder that is a foreign corporation
falls under clause (ii) above, it will be taxed on its gain under regular
graduated United States Federal income tax rates and, in addition, will under
certain circumstances be subject to the branch profits tax equal to 30% of its
"effectively connected earnings and profits" within the meaning of the Code
for the taxable year, as adjusted for certain items, unless it qualifies for a
lower rate under an applicable income tax treaty.
 
  A corporation is generally a USRPHC if the fair amount value of its United
States real property interests equals or exceeds 50% of the sum of the fair
market value of its worldwide real property interests plus its other assets
used or held for use in a trade or business. While not free from doubt, Host
Marriott believes that it currently is a USRPHC; however, a Non-United States
Holder would generally not be subject to tax or withholding in respect of such
tax on gain from a sale or other disposition of Host Marriott Common Stock by
reason of Host Marriott's USRPHC status if the Host Marriott Common Stock is
regularly traded on an established securities market ("regularly traded")
during the calendar year in which such sale or disposition occurs provided
that such holder does not own, actually or constructively, Host Marriott
Common Stock with a fair market value in excess of 5% of the fair market value
of all the Host Marriott Common Stock outstanding at any time during the
Required Holding Period. The Company believes that the Host Marriott Common
Stock will be treated as regularly traded.
 
  If Host Marriott is or has been a USRPHC within the Required Holding Period,
and if a Non-United States Holder owns in excess of 5% of the fair market
value of the outstanding Host Marriott Common Stock (as described in the
preceding paragraph), such Non-United States Holder will be subject to United
States Federal income tax at regular graduated rates under certain rules
("FIRPTA tax") on gain recognized on a sale or other disposition of such
stock. In addition, if Host Marriott is or has been a USRPHC within the
Required Holding Period and if the Host Marriott Common Stock was not treated
as regularly traded, a Non-United States Holder (without regard to its
ownership percentage) is subject to withholding in respect of FIRPTA tax at a
rate of 10% of the amount realized on a sale or other disposition of Host
Marriott Common Stock and will be further subject to FIRPTA tax in excess of
the
 
                                      71
<PAGE>
 
amounts withheld. Any amount withheld pursuant to such withholding tax will be
creditable against such Non-United States Holder's United States Federal
income tax liability. Non-United States Holders are urged to consult their tax
advisors concerning the potential applicability of these provisions.
 
  FEDERAL ESTATE TAXES. A Preferred Security beneficially owned by an
individual who is a Non-United States Holder at the time of his or her death
generally will not be subject to United States Federal estate tax as a result
of such individual's death, provided that (i) such individual does not
actually or constructively own 10% or more of the total combined voting power
of all classes of stock of Host Marriott entitled to vote within the meaning
of section 871(h)(3) of the Code, and (ii) interest payments (including
payments of original issue discount) with respect to the Debentures would not
have been, if received at the time of such individual's death, effectively
connected with the conduct of a U.S. trade or business by such individual.
Common stock of Host Marriott owned, or treated as owned, by an individual
Non-United States Holder at the time of his or her death will be included in
such holder's gross estate for United States federal estate tax purposes,
unless an applicable estate tax treaty provides otherwise.
 
  INFORMATION REPORTING AND BACKUP WITHHOLDING. Host Marriott must report
annually to the Service and to each Non-United States Holder the amount of
interest and dividends paid to such holder and the amount of any tax withheld.
These information reporting requirements apply regardless of whether
withholding is required. Copies of the Information returns reporting such
interest and dividends and withholding may also be made available to the tax
authorities in the country in which the Non-United States Holder resides under
the provisions of an applicable income tax treaty.
 
  In the case of payments of interest to Non-United States Holders, temporary
Treasury regulations provide that the 31% backup withholding tax and certain
information reporting will not apply to such payments with respect to which
either the requisite certification, as described above, has been received or
an exemption has otherwise been established; provided that neither Host
Marriott nor its payment agent has actual knowledge that the holder is a
United States person or that the conditions of any other exemption are not in
fact satisfied. Under temporary Treasury regulations, these information
reporting and backup withholding requirements will apply, however, to the
gross proceeds paid to a Non-United States Holder on the disposition of the
Preferred Securities by or through a United States office of a United States
or foreign broker, unless the holder certifies to the broker under penalties
of perjury as to its name, address and status as a foreign person or the
holder otherwise establishes an exemption. Information reporting requirements,
but not backup withholding, will also apply to a payment of the proceeds of a
disposition of the Preferred Securities by or through a foreign office of a
United States broker or foreign brokers with certain types of relationships to
the United States. Neither information reporting nor backup withholding
generally will apply to a payment of the proceeds of a disposition of the
Preferred Securities by or through a foreign office of a foreign broker not
subject to the preceding sentence.
 
  United States backup withholding tax generally will not apply to (a) the
payment of dividends paid on Host Marriott Common Stock to a Non-United States
Holder at an address outside the United States or (b) the payment of the
proceeds of the sale of Host Marriott Common Stock to or through the foreign
office of a broker. In the case of the payment of proceeds from such a sale of
Host Marriott Common Stock through a foreign office of a broker that is a
United States person or a "U.S. related person," however, information
reporting (but not backup withholding) is required with respect to the payment
unless the broker has documentary evidence in its files that the owner is a
Non-United States Holder and certain other requirements are met or the holder
otherwise establishes an exemption. For this purpose, a "U.S. related person"
is (i) a controlled foreign corporation for United States Federal income tax
purposes, or (ii) a foreign person 50% or more of whose gross income from all
sources for the three-year period ending with the close of its taxable year
preceding the payment (or for such part of the period that the broker has been
in existence) is derived from activities that are effectively connected with
the conduct of a United States trade or business. The payment of the proceeds
of a
 
                                      72
<PAGE>
 
sale of Host Marriott Common Stock to or through a United States office of a
broker is subject to information reporting and possible backup withholding
unless the owner certifies its non-United States status under penalties of
perjury or otherwise establishes an exemption.
 
  Backup withholding is not an additional tax. Any amounts withheld under the
backup withholding rules may be refunded or credited against the Non-United
States Holder's United States Federal income tax liability, provided that the
required information is furnished to the Internal Revenue Service.
 
  These information and backup withholding rules are under review by the
United States Treasury and their application to the Preferred Securities and
the Host Marriott Common Stock could be changed by future regulations. On
April 15, 1996, the Service issued proposed Treasury Regulations concerning
the withholding of tax and reporting for certain amounts paid to non-resident
individuals and foreign corporations. The proposed regulations would, among
other changes, eliminate the presumption under current regulations with
respect to dividends paid to addresses outside the United States. The proposed
Treasury Regulations, if adopted in their present form, would be effective for
payments made after December 31, 1997. Prospective purchasers of the Preferred
Securities should consult their tax advisors concerning the potential adoption
of such Treasury Regulations.
 
                                SELLING HOLDERS
 
  The Preferred Securities were originally issued by the Issuer and sold by
Goldman, Sachs & Co., Donaldson, Lufkin & Jenrette Securities Corporation, BT
Securities Corporation and Montgomery Securities (the "Purchasers"), in a
transaction exempt from the registration requirements of the Securities Act,
to persons reasonably believed by such Purchasers to be "qualified
institutional buyers" (as defined in Rule 144A under the Securities Act). The
Selling Holders may from time to time offer and sell pursuant to this
Prospectus any or all of the Offered Securities. The term Selling Holder
includes the holders listed below and the beneficial owners of the Preferred
Securities and their transferees, pledgees, donees or other successors.
 
  The following table sets forth information with respect to the Selling
Holders of the Preferred Securities and the respective number of Preferred
Securities beneficially owned by each Selling Holder that may be offered
pursuant to this Prospectus.
 
<TABLE>
<CAPTION>
                                                            SHARES OF COMMON
                                                           STOCK ISSUABLE UPON
                                                              CONVERSION OF
SELLING HOLDERS            NUMBER OF PREFERRED SECURITIES PREFERRED SECURITIES*
- ---------------            ------------------------------ ---------------------
<S>                        <C>                            <C>
Alpine Associates........             220,000                    591,272
Allstate Insurance
 Company.................              85,000                    228,446
American Investors Life
 Insurance Co. Inc. .....              15,000                     40,314
Atalanta/Sosnoff Cap.
 Corp. Investment........              68,700                    184,638
Austin Firefighters
 Conv. ..................               4,690                     12,604
Bankers Trust TTEE for
 Chrysler Corporation Emp
 #1 Pension Plan ........              15,400                     41,389
Baptist Hospital of
 Miami...................               4,065                     10,925
Boston Harbor Trust
 Company, N.A. ..........              10,500                     28,219
Boston Museum of Fine
 Art.....................               1,760                      4,730
Carrigaholt Capital
 (Bermuda) L.P. .........              41,000                    110,191
Chase Manhattan Bank TTEE
 for IBM Corp. Retirement
 Plan Trust..............              25,300                     67,996
</TABLE>
 
                                      73
<PAGE>
 
<TABLE>
<CAPTION>
                                                            SHARES OF COMMON
                                                           STOCK ISSUABLE UPON
                                                              CONVERSION OF
SELLING HOLDERS            NUMBER OF PREFERRED SECURITIES PREFERRED SECURITIES*
- ---------------            ------------------------------ ---------------------
<S>                        <C>                            <C>
Colgate Palmolive
 Retirement Trust........               20,000                     53,752
Commonwealth Life
 Insurance Company
 (Teamsters-Camden Non-
 Enhanced)...............               29,500                     79,284
Commonwealth Life
 Insurance Company-Stock
 TRAC (Teamsters I)......               22,500                     60,471
Davis Convertible Securi-
 ties....................               27,900                     74,984
Dunham & Assoc. Conv. Fd.
 II......................                1,600                      4,300
Employers Reinsurance
 Corp. ..................               20,000                     53,752
Engineers Joint Pension
 Fund....................                6,470                     17,338
Fidelity Advisor Series
 I: Fidelity Advisor
 Growth & Income
 Fund(1).................                  700                      1,881
Fidelity Advisor Series
 II: Fidelity Advisor
 Balanced Fund(1)........               85,000                    228,446
Fidelity Capital Trust:
 Fidelity Value Fund(1)..              100,000                    268,760
Fidelity Devonshire
 Trust: Fidelity Equity--
 Income Fund(1)..........               94,300                    253,440
Fidelity Financial Trust:
 Fidelity Convertible
 Securities Fund(1)......              300,000                    806,280
Fidelity Fixed-Income
 Trust: Spartan High
 Income Fund(1)..........              282,900                    760,322
Fidelity Hastings Street
 Trust: Fidelity
 Fund(1).................              152,000                    408,515
Fidelity Management Trust
 Company(2)..............               37,400                    100,516
Fidelity Puritan Trust:
 Fidelity Balanced
 Fund(1).................               17,400                     46,764
Fidelity Puritan Trust:
 Fidelity Puritan
 Fund(1).................              534,900                  1,437,597
Fiduciary Trust Company
 International...........               24,000                     64,502
Flag Investors Value
 Builder Fund............               75,000                    201,570
Forest Fulcrum Fd.
 L.P. ...................               25,000                     67,190
Forest Fulcrum Fd.
 Ltd. ...................               17,000                     45,689
Franklin Custodian--
 Income Series...........            1,100,000                  2,956,360
Franklin Investors
 Securities Trust
 Convertible Securities
 Fund....................               40,000                    107,504
Franklin Valuemark--
 Income Sec. Fund........              100,000                    268,760
Froley, Revy Investment
 Co. Inc. Account: ICI
 American Holdings
 Pension Trust...........                4,000                     10,750
Froley, Revy Investment
 Co. Inc. Account: NALCO
 Chemical Co. Retirement
 Trust...................                1,500                      4,031
Froley, Revy Investment
 Co. Inc. Account: Oregon
 Equity Fund.............               43,200                    116,104
Froley, Revy Investment
 Co. Inc. Account: PRIM
 Board...................               15,500                     41,657
Froley, Revy Investment
 Co. Inc. Account: State
 of Delaware Retirement..               10,000                     26,876
Froley, Revy Investment
 Co. Inc. Account: SAIF
 Corporation.............               60,000                    161,256
Froley, Revy Investment
 Co. Inc. Account: Zeneca
 Holdings Pension Trust..                4,000                     10,750
</TABLE>
 
                                       74
<PAGE>
 
<TABLE>
<CAPTION>
                                                            SHARES OF COMMON
                                                           STOCK ISSUABLE UPON
                                                              CONVERSION OF
SELLING HOLDERS            NUMBER OF PREFERRED SECURITIES PREFERRED SECURITIES*
- ---------------            ------------------------------ ---------------------
<S>                        <C>                            <C>
General Motors Hourly
 Rate Employees Pension
 Plan; General Motors
 Retirement Program for
 Salaried Employees......             100,000                     268,760
Golden Rule Insurance                  56,000                     150,505
 Company.................
GPZ Trading..............              30,600                      82,240
Hawaiian Electric Master               30,000                      80,628
 Hi Yld..................
Hawaiian Electric Veba Hi                 400                       1,075
 Yld.....................
Highbridge Capital                     80,000                     215,008
 Corporation.............
J.P. Morgan Investment...              60,000                     161,256
Laterman Strategies: 90s               11,000                      29,563
 LLC.....................
Lipper Convertibles,                  837,200                   2,250,058
 L.P. ...................
LLT Limited..............               2,200                       5,912
Mackay Shields Financial
 Corp.--Brown &
 Williamson Convertible..               1,000                       2,687
Mackay Shields Financial
 Corp.--Mainstay
 Convertible Fund........             269,000                     722,964
Mackay Shields Financial
 Corp.--Mainstream VP
 Convertible Portfolio...               7,000                      18,813
Mackay Shields Financial
 Corp.--NYLIC Separate
 A/C #7 Convertible......              93,000                     249,946
Mark IV Industries, Inc.
 & Subsidiaries' Master
 Trust...................              14,000                      37,626
Motors Insurance Corp. ..               5,000                      13,438
New York Life Insurance &
 Annuity Corporation.....              40,000                     107,504
New York Life Insurance               235,000                     631,586
 Company.................
Nicholas-Applegate Income
 & Growth Fund...........              41,035                     110,285
Northwestern Mutual Life
 Insurance Company(3)....             102,000                     274,135
Oak Tree Partners,                    365,000                     980,974
 L.P. ...................
Occidental College.......               3,805                      10,226
Offshore Strategies                    19,000                      51,064
 Ltd. ...................
Oppenheimer Variable
 Account Funds for the
 account of Oppenheimer
 Growth & Income Fund....              10,000                      26,876
Pacific Mutual Life                    20,000                      53,752
 Insurance Company.......
Paloma Securities LLC....             120,000                     322,512
Phoenix Income & Growth                60,000                     161,256
 Series Fund.............
Pitney Bowes Retirement                93,470                     251,209
 Fund....................
Public Employees'
 Retirement Association
 of Colorado.............              20,000                      53,752
Salomon Brothers, Inc ...             333,360                     895,938
Salomon Brothers                       75,000                     201,570
 International Limited...
Salomon Brothers Total                  2,000                       5,375
 Return Fund.............
San Diego City                         12,685                      34,092
 Retirement..............
San Diego Cnty.                        54,160                     145,560
 Convertible.............
SparInvest Austria
 Kapitalanlagegas
 m.b.H. .................              25,000                      67,190
State Street Bank Cust
 for GE Pension Trust....              47,300                     127,123
Swiss Bank Corporation--              135,000                     362,826
 London Branch...........
</TABLE>
 
                                       75
<PAGE>
 
<TABLE>
<CAPTION>
                                                            SHARES OF COMMON
                                                           STOCK ISSUABLE UPON
                                                              CONVERSION OF
SELLING HOLDERS            NUMBER OF PREFERRED SECURITIES PREFERRED SECURITIES*
- ---------------            ------------------------------ ---------------------
<S>                        <C>                            <C>
The Class 1C Company,                   31,900                     85,734
 Ltd. ...................
The TCW Group, Inc. .....              145,600                    391,314
TQA Arbitrage Fund,                      7,500                     20,157
 L.P. ...................
TQA Leverage Fund,                      12,500                     33,595
 L.P. ...................
TQA Vantage Fund, Ltd. ..               15,000                     40,314
Transamerica Insurance                  50,000                    134,380
 Corporation of
 California..............
Transamerica Life                      175,000                    470,330
 Insurance and Annuity
 Company.................
U.S. Olympic Foundation..               25,000                     67,190
Van Kampen American                     15,000                     40,314
 Capital Convertible
 Securities Fund.........
Van Kampen American                     85,000                    228,446
 Capital Harbor Fund.....
Vanguard Equity Income                  75,000                    201,570
 Fund, Inc. .............
Variable Insurance                       3,000                      8,062
 Products Fund III:
 Balanced Portfolio(1)...
Variable Insurance                       3,500                      9,406
 Products Fund III:
 Growth & Income
 Portfolio(1)............
Variable Insurance                     251,200                    675,125
 Products Fund: High
 Income Portfolio(1).....
Wake Forest University...               10,130                     27,225
Walkup Marital Trust                       900                      2,418
 Special.................
Xerox Corp. Profit                      91,530                    245,996
 Sharing Plan............
Any other Holder of
 Convertible Preferred
 Securities or Future
 Transferee from any such
 Holder..................            2,848,840                  7,650,547
</TABLE>
- --------
*  No fractional shares of Common Stock will be issued as a result of
   conversion, but, in lieu thereof, such fractional interest will be paid in
   cash.
1. Each of such entities is either an investment company or a portfolio of an
   investment company registered under Section 8 of the Investment Company Act
   of 1940, as amended, or a private investment account advised by Fidelity
   Management & Research Company ("FMR Co."). FMR Co. is a Massachusetts
   corporation and an investment advisor registered under Section 203 of the
   Investment Advisers Act of 1940, as amended, and provides investment
   advisory services to each of such entities mentioned above, and to other
   registered investment companies and to certain other funds which are
   generally offered to a limited group of investors. FMR Co. is a wholly-
   owned subsidiary of FMR Corp. ("FMR"), a Masachusetts corporation. These
   holdings are as of April 30, 1997.
2. Shares indicated as owned by such entity are owned directly by various
   private investment accounts, primarily employee benefit plans for which
   Fidelity Management Trust Company ("FMTC") serves as trustee or managing
   agent. FMTC is a wholly-owned subsidiary of FMR and a bank as defined in
   Section 3(a)(6) of the Securities Exchange Act of 1934, as amended. These
   holdings are as of April 30, 1997.
3. Includes 5,000 shares held by The Northwestern Mutual Life Insurance
   Company Group Annuity Separate Account.
 
  None of the Selling Holders has, or within the past three years has had, any
position, office or other material relationship with the Issuer or the Company
or any of their predecessors or affiliates. Because the Selling Holders may,
pursuant to this Prospectus, offer all or some portion of the Preferred
Securities, the Convertible Debentures or the Common Stock issuable upon
conversion of the Preferred Securities, no estimate can be given as to the
amount of the Preferred Securities, the Convertible Debentures or the Common
Stock issuable upon conversion of the Preferred Securities that will be held
by the Selling Holders upon termination of any such sales. In addition, the
Selling Holders identified above may have sold, transferred or otherwise
disposed of all or a portion of their Preferred Securities since the date on
which they provided the information regarding their Preferred Securities
included herein in transactions exempt from the registration requirements of
the Securities Act.
 
                                      76
<PAGE>
 
                             PLAN OF DISTRIBUTION
 
  The Offered Securities may be sold from time to time to purchasers directly
by the Selling Holders. Alternatively, the Selling Holders may from time to
time offer the Offered Securities to or through underwriters, broker/dealers
or agents, who may receive compensation in the form of underwriting discounts,
concessions or commissions from the Selling Holders or the purchasers of such
securities for whom they may act as agents. The Selling Holders and any
underwriters, broker/dealers or agents that participate in the distribution of
Offered Securities may be deemed to be "underwriters" within the meaning of
the Securities Act and any profit on the sale of such securities and any
discounts, commissions, concessions or other compensation received by any such
underwriter, broker/dealer or agent may be deemed to be underwriting discounts
and commissions under the Securities Act. The Offered Securities may be sold
from time to time in one or more transactions at fixed prices, at prevailing
market prices at the time of sale, at varying prices determined at the time of
sale or at negotiated prices. The sale of the Offered Securities may be
effected in transactions (which may involve crosses or block transactions) (i)
on any national securities exchange or quotation service on which the Offered
Securities may be listed or quoted at the time of sale, (ii) in the over-the-
counter market or (iii) in transactions otherwise than on such exchanges or in
the over-the-counter market. At the time a particular offering of the Offered
Securities is made, a Prospectus Supplement, if required, will be distributed
which will set forth the aggregate amount and type of Offered Securities being
offered and the terms of the offering, including the name or names of any
underwriters, broker/dealers or agents, any discounts, commissions and other
terms constituting compensation from the Selling Holders and any discounts,
commissions or concessions allowed or reallowed or paid to broker/dealers.
 
  To comply with the securities laws of certain jurisdictions, if applicable,
the Offered Securities will be offered or sold in such jurisdictions only
through registered or licensed brokers or dealers. In addition, in certain
jurisdictions the Offered Securities may not be offered or sold unless they
have been registered or qualified for sale in such jurisdictions or any
exemption from registration or qualification is available and is complied
with.
 
  The Selling Holders will be subject to applicable provisions of the Exchange
Act and the rules and regulations thereunder, which provisions may limit the
timing of purchases and sales of any of the Offered Securities by the Selling
Holders. The foregoing may affect the marketability of such securities.
 
  Pursuant to the Registration Rights Agreement, the Company and the Trust
shall each bear all reasonable fees and expenses customarily borne by issuers
in a non-underwritten secondary offering by selling security holders or in an
underwritten offering, as the case may be, incurred in connection with the
performance of its obligations under the Registration Rights Agreement;
provided, however, that the Selling Holders will pay all underwriting
discounts and selling commissions, if any. The Selling Holders will be
indemnified by the Company and the Trust, jointly and severally against
certain civil liabilities, including certain liabilities under the Securities
Act, or will be entitled to contribution in connection therewith. The Company
and the Trust will be indemnified by the Selling Holders severally against
certain civil liabilities, including certain liabilities under the Securities
Act, or will be entitled to contribution in connection therewith.
 
                                    EXPERTS
 
  The audited consolidated financial statements and schedules of the Company
and Marriott Hotel Properties Limited Partnership incorporated by reference
into this Prospectus and elsewhere in the registration statement have been
audited by Arthur Andersen LLP, independent public accountants, as indicated
in their reports with respect thereto, and are incorporated by reference
herein in reliance upon the authority of said firm as experts in giving said
reports.
 
                                      77
<PAGE>
 
                                LEGAL OPINIONS
 
  The validity of the Common Stock issuable upon conversion of the Preferred
Securities, the validity of the Debentures and the validity of the Guarantee
offered hereby will be passed upon for the Company by Christopher G. Townsend,
Senior Vice President and General Counsel of the Company. Certain matters of
Delaware law with respect to the Trust and the Preferred Securities have been
passed upon for the Company and the Issuer by Potter Anderson & Corroon,
special Delaware counsel. Certain United States Federal income taxation
matters will be passed upon for the Company and the Issuer by Latham &
Watkins, Washington D.C., special United States tax counsel to the Company and
the Issuer.
 
  Mr. Townsend owns Common Stock, and holds stock options, deferred stock and
restricted stock awards under a comprehensive stock plan and may receive
additional awards under such plan in the future.
 
                             AVAILABLE INFORMATION
 
  Host Marriott is subject to the information reporting requirements of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and in
accordance therewith files periodic reports, proxy statements and other
information with the Securities and Exchange Commission (the "Commission").
The reports, proxy statements and other information filed by Host Marriott,
may be inspected and copied at the public reference facilities maintained by
the Commission at Room 1024, 450 Fifth Street, N.W., Washington, D.C. 20549,
and at the Commission's regional offices located at 7 World Trade Center, New
York, New York 10048, and Northwestern Atrium Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois 60661. Copies of such material can be obtained
at prescribed rates from the Public Reference Section of the Commission at 450
Fifth Street, N.W., Washington, D.C. 20549. Host Marriott Common Stock is
listed on the New York Stock Exchange and reports and other information herein
and therein concerning Host Marriott can also be inspected at the office of
the New York Stock Exchange, 20 Broad Street, New York, New York 10005. Such
material may also be accessed electronically by means of the Commission's home
page on the Internet at http://www.sec.gov.
 
  Host Marriott and the Issuer have filed with the Commission a Registration
Statement (which term shall encompass any amendments thereto) on Form S-3
under the Securities Act with respect to the securities offered by this
Prospectus (the "Registration Statement"). This Prospectus, which constitutes
part of the Registration Statement, does not contain all of the information
set forth in the Registration Statement, certain items of which are contained
in exhibits to the Registration Statement as permitted by the rules and
regulations of the Commission. For further information with respect to Host
Marriott and the securities offered by this Prospectus, reference is made to
the Registration Statement, including the exhibits thereto, and the financial
statements and notes thereto filed or incorporated by reference as a part
thereof, which are on file at the offices of the Commission and may be
obtained upon payment of the fee prescribed by the Commission, or may be
examined without charge at the offices of the Commission. Statements made in
this Prospectus concerning the contents of any document referred to herein are
not necessarily complete, and, in each such instance, are qualified in all
respects by reference to the applicable documents filed with the Commission.
The Registration Statement and the exhibits thereto filed by Host Marriott
with the Commission may be inspected and copied at the locations described
above.
 
  No separate financial statements of the Issuer have been included herein.
The Issuer and Host Marriott do not consider that such financial statements
would be material to potential investors because the Issuer is a newly
organized special purpose entity, has no operating history or independent
operations and is not engaged in and does not propose to engage in any
activity other than holding as trust assets the Debentures of Host Marriott
and issuing the Preferred Securities and Common
 
                                      78
<PAGE>
 
Securities and Host Marriott has fully and unconditionally guaranteed all of
the Issuer's obligations under the Preferred Securities. See "Host Marriott
Financial Trust," "Description of the Preferred Securities," "Description of
the Guarantee" and "Description of the Debentures."
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
  The following documents filed by Host Marriott with the Commission are
incorporated herein by reference: (i) Host Marriott's Annual Report on Form
10-K for the year ended January 3, 1997; (ii) Host Marriott's Quarterly Report
on Form 10-Q for the quarter ended March 28, 1997, and (iii) Host Marriott's
Current Reports on Form 8-K dated January 14, January 16, February 3, March 6,
March 18, May 2 and May 16, 1997. All documents filed by the Company pursuant
to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the
date of this Prospectus and prior to the filing of a post-effective amendment
that indicates the termination of this offering shall be deemed to be
incorporated in this Prospectus by reference and to be a part hereof from the
date of filing of such documents. Any statements contained herein or in a
document incorporated or deemed to be incorporated by reference herein shall
be deemed to be modified or superseded for purposes of this offering to the
extent that a statement contained herein or in any other subsequently filed
document which also is or is deemed to be incorporated by reference herein
modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Prospectus.
 
  The Company will provide, without charge to each person to whom this
Prospectus has been delivered, a copy of any or all of the documents referred
to above that have been or may be incorporated by reference herein other than
exhibits to such documents (unless such exhibits are specifically incorporated
by reference therein). Requests for such copies should be directed to Host
Marriott Corporation, 10400 Fernwood Road, Bethesda, MD 20817-1109, Attention:
Corporate Secretary, or by telephone at (301) 380-9000.
 
                                      79
<PAGE>
 
===============================================================================
- -------------------------------------------------------------------------------
 
 NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY REPRE-
SENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS AND, IF GIVEN OR
MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING
BEEN AUTHORIZED. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY ANY SECURITIES OTHER THAN THE SECURITIES TO
WHICH IT RELATES OR AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY
SUCH SECURITIES IN ANY CIRCUMSTANCES IN WHICH SUCH OFFER OR SOLICITATION IS
UNLAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER
SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS BEEN NO
CHANGES IN THE AFFAIRS OF THE ISSUER OR HOST MARRIOTT SINCE THE DATE HEREOF OR
THAT THE INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO
ITS DATE.
 
                                  -----------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
<S>                                                                        <C>
Special Note Regarding Forward-Looking Statements.........................   3
Risk Factors..............................................................   4
Recent Developments.......................................................  15
Host Marriott Financial Trust.............................................  16
Use of Proceeds...........................................................  17
Accounting Treatment......................................................  17
Ratio of Earnings to Fixed Charges........................................  17
Description of the Preferred Securities...................................  18
Description of the Guarantee..............................................  41
Description of the Debentures.............................................  44
Relationship Among the Preferred Securities, the Debenture and the
 Guarantee................................................................  53
Description of Host Marriott Capital Stock................................  55
Purposes and Antitakeover Effects of Certain Provisions of the Company
 Certificate and Bylaws and the Marriott International Purchase Right.....  60
Certain Federal Income Tax Consequences...................................  66
Selling Holders...........................................................  73
Plan of Distribution......................................................  77
Experts...................................................................  77
Legal Opinions............................................................  78
Available Information.....................................................  78
Documents Incorporated by Reference.......................................  79
</TABLE>
 
===============================================================================
- -------------------------------------------------------------------------------
 
                        11,000,000 PREFERRED SECURITIES
 
                                 Host Marriott
 
                                Financial Trust
 
                      6 3/4% CONVERTIBLE QUARTERLY INCOME
                             PREFERRED SECURITIES
                             ("CONVERTIBLE QUIPS")
                    (LIQUIDATION PREFERENCE $50 PER SHARE)
 
                   FULLY AND UNCONDITIONALLY GUARANTEED BY,
                     AND CONVERTIBLE INTO COMMON STOCK OF,
 
                     (LOGO OF HOST MARRIOTT APPEARS HERE)
 
                           ------------------------
 
                                  PROSPECTUS
 
                           ------------------------
 
 
 
 
                                 MAY 30, 1997
 
- -------------------------------------------------------------------------------
===============================================================================


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