Exhibit 99.1



News Release



                MARSH & McLENNAN COMPANIES TO ACQUIRE KROLL INC.

                $1.9 Billion Transaction Enhances MMC's Position
                  as World's Leading Provider of Risk Services


NEW YORK,  NEW YORK,  May 18,  2004-Marsh & McLennan  Companies,  Inc. (MMC) and
Kroll Inc. announced today that MMC will acquire Kroll, the world's leading risk
mitigation  services firm. The transaction will broaden  significantly the range
of MMC's risk and  insurance  services  businesses  and enhance  its  leadership
position in risk management services.

Under the  definitive  agreement,  signed  today,  MMC will acquire  Kroll in an
all-cash $1.9 billion  transaction in which Kroll  shareholders will receive $37
for each outstanding  share of Kroll common stock they own. The price to be paid
by MMC  represents a 31.7 percent  premium over Kroll's  closing  stock price of
$28.10 on the Nasdaq National Market on May 18, 2004.

Jeffrey W. Greenberg,  chairman and chief  executive  officer of MMC, said: "Our
clients face a growing  number of risks that are  increasing in  complexity  and
severity.  We deliver  risk  services  to respond to a wide  spectrum  of client
needs,  from advisory  services to claims  management,  with the goal of helping
clients to reduce  their total cost of risk.  The addition of Kroll will broaden
and deepen the  capabilities  of our  fast-growing  risk consulting and advisory
businesses  by adding  services  which  clients  need to reduce the impact of an
adverse event. Kroll has multiple  high-growth  businesses under a strong brand.
It expands our capacity in several


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important  sectors that  complement our existing  businesses,  such as corporate
restructuring,  business  intelligence and  investigations,  security  services,
employee screening, and electronic evidence and litigation support.

"This  transaction is particularly  attractive  because we will be adding to our
team some of the world's best risk experts,  including Jules Kroll,  founder and
executive chairman of Kroll, and Michael  Cherkasky,  chief executive officer of
Kroll. Kroll's business  relationships around the world fit well with ours, will
help us serve  clients  better,  and will  accelerate  our revenue and  earnings
growth to increase value to shareholders."

Mr. Kroll said:  "In joining MMC, we become part of the industry  leader in risk
management,  a company  with a great  management  team, a history and culture of
outstanding  client service and a great future.  We look forward to working with
Jeff  Greenberg  and his  colleagues  and to  delivering  the  benefits  of this
exciting transaction to our clients."

Mr.  Cherkasky said:  "This  transaction is another example of our commitment to
maximizing  shareholder  value and is a winning  proposition for our clients and
employees  alike. Our mission as the premier global risk mitigation firm remains
the same. But by combining the  world-class  risk services  practices of MMC and
Kroll,  we will offer a  compelling  range of  services  that will  enable us to
attract and serve more clients in more ways."

The combination of MMC and Kroll will produce a number of important benefits for
clients, including the following:

o    Ability to Match Service Offerings to Client Needs:  The acquisition of
     Kroll will enable Marsh to offer risk clients a combination of services
     which can be deployed in a way that provides unique benefits in mitigating
     the complexity and severity of risk.  Marsh is distinguished for its
     advice to clients on operational risk, workplace risk, enterprise risk,
     and claims management.  Kroll has professional expertise and a market
     leadership position in


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     corporate restructuring, forensic accounting, business investigations, and
     electronic discovery.
o    Expanded Processing Services:  The acquisition of Kroll not only increases
     Marsh's risk processing services capability, specifically to provide
     clients employee-screening, vendor-screening, and credit-screening
     services, but also provides the foundation for further expansion in
     processing.
o    Global Reach:  Like Marsh, Kroll has a global client base with a strong
     presence in Europe that strengthens the Marsh global risk consulting
     platform.  Although Marsh and Kroll have clients in common, they have
     different sets of executive relationships that both firms can use to
     provide additional services to clients.

Completion of the transaction is expected to occur in the third quarter of 2004.
MMC believes that cost savings and the  additional  revenues  resulting from the
combination of the two businesses will make the transaction accretive in 2005.

The  transaction  was  unanimously  approved by both MMC's and Kroll's boards of
directors. Kroll's board recommends that Kroll shareholders vote in favor of the
transaction  at a  shareholder  meeting  that  will  be  scheduled  as  soon  as
practicable.  Mr. Kroll, who owns 7.3 percent of Kroll's shares,  Mr. Cherkasky,
and eight other  members of Kroll's  senior  management  have  committed to vote
their shares in favor of the transaction.

Upon completion of the transaction,  Kroll will become part of Marsh Inc., MMC's
risk and insurance services subsidiary.  Marsh Risk Consulting and Kroll will be
combined  under  Mr.  Cherkasky's  leadership.  Mr.  Kroll  will be named a vice
chairman of Marsh Inc.

Completion of the transaction is subject to the expiration or early  termination
of the applicable  Hart-Scott-Rodino  waiting  periods and to Kroll  shareholder
approval.

MMC's financial  advisor for the  transaction was Greenhill & Co., LLC.  Kroll's
financial  advisors  for the  transaction  were  Goldman  Sachs & Co. and Morgan
Joseph & Co. Inc.


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Messrs.  Greenberg,  Cherkasky,  and Kroll,  MMC chief financial  officer Sandra
Wijnberg,  and Ray Groves and Roger Egan,  chairman and president of Marsh Inc.,
respectively,  along with Donald Birdsong,  head of Marsh Risk Consulting,  will
discuss today's  announcement via  teleconference and live audio webcast at 8:30
a.m. (EDT) on Wednesday, May 19. To participate in the audio webcast (which will
be  listen-only),   as  well  as  to  view  additional   information  about  the
transaction, go to www.mmc.com. A replay of the webcast will be made available.

A continuous telephone replay will be available beginning  Wednesday,  May 19 at
1:00 p.m. (EDT) and continuing  through  midnight  (EDT)  Wednesday,  June 2. To
listen to the  replay,  please dial (888)  203-1112.  Callers  from  outside the
United  States may listen to the replay by dialing  (719)  457-0820.  The access
code for both numbers is 647531.

About Kroll Inc.
- ----------------
Kroll Inc.  (Nasdaq:  KROL),  the world's  leading  independent  risk consulting
company,  provides  a broad  range of  investigative,  intelligence,  financial,
security,  and technology services to help clients reduce risks, solve problems,
and  capitalize on  opportunities.  Headquartered  in New York with more than 60
offices  on six  continents,  Kroll has a  multidisciplinary  corps of more than
3,200  employees  and  serves  a  global  clientele  of  law  firms,   financial
institutions,  corporations,  non-profit institutions,  government agencies, and
individuals. For more information, please visit: www.krollworldwide.com.

Kroll  has  four  primary  business  segments:  Consulting  Services,  Corporate
Advisory  and  Restructuring   Services,   Background  Screening  Services,  and
Technology  Services.  For the year ended December 31, 2003,  Kroll reported net
sales  of  $485.5  million,  and  income  from  continuing   operations,   after
restructuring  charges, of $46.2 million.  For first quarter 2004 net sales were
$165.3 million, a 60 percent increase from first quarter 2003.


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About MMC
- ---------
MMC is a global  professional  services firm with annual revenues  exceeding $11
billion.  It is the parent company of Marsh Inc.,  the world's  leading risk and
insurance  services  firm;  Putnam  Investments,  one of the largest  investment
management  companies  in the United  States;  and Mercer  Inc.,  a major global
provider of consulting  services.  More than 60,000 employees  provide analysis,
advice,  and  transactional  capabilities to clients in over 100 countries.  Its
stock (ticker  symbol:  MMC) is listed on the New York,  Chicago,  Pacific,  and
London stock exchanges. MMC's website address is www.mmc.com.

In 2003, revenues from MMC's risk and insurance services businesses totaled $6.9
billion.  Marsh Inc.,  MMC's  largest  business  measured by both  revenues  and
earnings,  is the world leader in  delivering  risk and  insurance  services and
solutions  to clients.  It has  approximately  38,000  employees,  more than 400
offices, and serves clients in more than 100 countries.

This press release contains certain statements relating to future results, which
are forward-looking statements as that term is defined in the Private Securities
Litigation Reform Act of 1995. Such statements may include,  without limitation,
discussions  concerning  revenues,   expenses,   earnings,  cash  flow,  capital
structure,   pension  funding,   and  the  adverse   consequences  arising  from
market-timing  issues at Putnam,  including  fines and  restitution,  as well as
market and industry  conditions,  premium  rates,  financial  markets,  interest
rates,  foreign  exchange rates,  contingencies,  and matters  relating to MMC's
operations  and  income  taxes.  Such  forward-looking  statements  are based on
available current market and industry materials,  experts' reports and opinions,
and long-term  trends,  as well as management's  expectations  concerning future
events  impacting MMC.  Forward-looking  statements by their very nature involve
risks  and  uncertainties.  Factors  that may  cause  actual  results  to differ
materially from those contemplated by any forward-looking  statements  contained
herein  include,  in the case of MMC's  risk and  insurance  services  business,
changes in  competitive  conditions,  movements  in  premium  rate  levels,  the
conditions  for the transfer of commercial  risk and other changes in the global
property and casualty insurance markets,  natural catastrophes,  mergers between
client organizations, and insurance or reinsurance company insolvencies. Factors
to be considered in the case of MMC's  investment  management  business  include
changes in worldwide and national  equity and fixed income  markets,  actual and
relative  investment  performance,  the level of sales and redemptions,  and the
ability to maintain  investment  management and administrative  fees at historic
levels;  and  with  respect  to all of  MMC's  activities,  changes  in  general
worldwide and national  economic  conditions,  the impact of terrorist  attacks,
changes in the value of investments made in individual  companies and investment
funds, fluctuations in foreign currencies, actions of competitors or regulators,
changes  in  interest  rates or in the  ability  to  access  financial  markets,
developments  relating to claims,  lawsuits and  contingencies,  prospective and
retrospective  changes in the tax or accounting  treatment of MMC's  operations,
and the impact of tax and other  legislation and regulation in the jurisdictions
in which MMC operates. In addition,  there are risks and uncertainties  relating
to MMC's ability to integrate Kroll's business successfully and realize expected
synergies;  the continued strength of Kroll's  relationships with its employees,
suppliers,  and  customers;  and the  accuracy  of the basis  for the  forecasts
relating to Kroll's business.

Forward-looking statements speak only as of the date on which they are made, and
MMC undertakes no obligation to update any forward-looking  statement to reflect
events or  circumstances  after the date on which it is made or to  reflect  the
occurrence of unanticipated  events. Please refer to Marsh & McLennan Companies'
2003 Annual Report


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on Form  10-K  for  "Information  Concerning  Forward-Looking  Statements,"  its
reports on Form 8-K, and quarterly reports on Form 10-Q.

MMC is committed to providing timely and materially accurate  information to the
investing public, consistent with our legal and regulatory obligations.  To that
end, MMC and its  operating  companies use their  websites to convey  meaningful
information  about  their  businesses,  including  the  anticipated  release  of
quarterly  financial  results  and  the  posting  of  updates  of  assets  under
management at Putnam. Monthly updates of total assets under management at Putnam
will be posted to the MMC website the first  business day  following  the end of
each  month.  Putnam  posts  mutual  fund and  performance  data to its  website
regularly.  Assets for most Putnam retail mutual funds are posted  approximately
two weeks  after each  month-end.  Mutual  fund net asset  value (NAV) is posted
daily.  Historical performance and Lipper rankings are also provided.  Investors
can link to MMC and its operating company websites through www.mmc.com.


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