<Page>
EXHIBIT 99.6
IN THE CIRCUIT COURT FOR MONTGOMERY COUNTY, MARYLAND
- ----------------------------------------------------
)
MARRIOTT INTERNATIONAL, INC., a )
corporation organized under the laws of Delaware, )
)
10400 Fernwood Road )
Bethesda, MD 20817 )
)
and )
)
MARRIOTT SENIOR LIVING SERVICES, INC., a )
Corporation organized under the laws of Delaware, )
)
10400 Fernwood Road )
Bethesda, MD 20817 )
Plaintiffs, ) Civil No. 238565V
)
v. )
)
SENIOR HOUSING PROPERTIES TRUST, a Maryland )
real estate investment trust, and )
)
400 Centre Street )
Newton, MA 02458 )
)
FIVE STAR QUALITY CARE, INC., a corporation )
organized under the laws of Maryland, )
)
400 Centre Street )
Newton, MA 02458 )
)
Defendants. )
- ----------------------------------------------------)
TEMPORARY RESTRAINING ORDER
Upon consideration of the foregoing Motion for a Temporary
Restraining Order, the accompanying Memorandum in Support, and the Verified
Complaint, the Court having found
<Page>
that Plaintiffs Marriott International, Inc. and Marriott Senior Living
Services, Inc. will suffer, through loss of good will, reputation damage,
disruption of business, and employee upheaval, immediate, substantial, and
irreparable harm not susceptible to monetary compensation if the Temporary
Restraining Order is not issued, it is, this 27th day of NOV., 2002, at 4:30
p.m., by the Circuit Court for Montgomery County, Maryland,
ORDERED that Defendants Senior Housing Properties Trust and
Five Star Quality Care, Inc. and their agents, servants and employees are
enjoined and restrained from repudiating, terminating or purporting to
terminate the Operating Agreements between the parties, or from evicting or
attempting to evict Plaintiff Marriott Senior Living Services, Inc. from the
Communities at issue; and it is further
ORDERED that this Temporary Restraining Order, unless extended
by further court order, shall expire on the 11th day of Dec., 2002; and it is
further
ORDERED that a party or any person affected by this Order may
apply for a modification or dissolution of this Order on two days' notice, or
on such shorter notice as the Court may prescribe, to the party who obtained
this Order; and it is further
ORDERED that a hearing shall be held on the 11th day of Dec.,
2002 with respect to Plaintiffs' request for a preliminary injunction; and it is
further
/s/ Louise G. Scrivener
------------------------------------
Judge
Circuit Court for Montgomery County,
Maryland