HBO & CO
424B1, 1995-09-28
COMPUTER INTEGRATED SYSTEMS DESIGN
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<PAGE>
                                                Filed Pursuant to Rule 424(b)(1)
                                                Registration No. 33-61919
P R O S P E C T U S

                                3,600,000 SHARES

                                     [LOGO]
                                  COMMON STOCK
                                    --------

    This  Prospectus relates to  the sale of 3,600,000  shares (the "Shares") of
Common Stock, par value $.05 per share (the "Common Stock"), of HBO & Company, a
Delaware corporation ("HBOC"  or the  "Company"), by First  Data Corporation,  a
Delaware  corporation ("FDC" or the "Selling Stockholder"). The Company will not
receive any of the proceeds  from the sale of  the Common Stock offered  hereby.
The  Company's Common Stock is traded on The Nasdaq Stock Market National Market
(the "Nasdaq NM") under the symbol "HBOC."  The last reported sale price of  the
Company's  Common Stock on  the Nasdaq NM  on September 27,  1995 was $61.25 per
share.
                                 --------------

    SEE "RISK FACTORS" AT PAGE 7 FOR A DISCUSSION OF CERTAIN FACTORS THAT SHOULD
BE CONSIDERED BY PROSPECTIVE PURCHASERS OF THE COMMON STOCK OFFERED HEREBY.
                                 -------------
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.

<TABLE>
<CAPTION>
                                                                       UNDERWRITING            PROCEEDS TO
                                                  PRICE TO             DISCOUNTS AND             SELLING
                                                   PUBLIC             COMMISSIONS(1)         STOCKHOLDER(2)
<S>                                         <C>                    <C>                    <C>
Per Share                                          $60.00                  $2.25                 $57.75
Total(3)                                        $216,000,000            $8,100,000            $207,900,000
<FN>
(1)  The Company  and  the Selling  Stockholder  have agreed  to  indemnify  the
     Underwriters  against certain liabilities,  including liabilities under the
     Securities Act of 1933, as amended. See "Underwriting."
(2)  Before deducting expenses of the offering payable by the Company, estimated
     at $450,000.
(3)  The Selling Stockholder  has granted  the Underwriters a  30-day option  to
     purchase  up to 400,000 additional shares of Common Stock on the same terms
     as set forth above solely to cover over-allotments, if any. If such  option
     is exercised in full, the total Price to Public, Underwriting Discounts and
     Commissions  and  Proceeds  to Selling  Stockholder  will  be $240,000,000,
     $9,000,000 and $231,000,000, respectively. See "Underwriting."
</TABLE>

                                 --------------

    The Shares of  Common Stock are  being offered by  the several  Underwriters
named  herein,  subject to  prior sale,  when, as  and if  accepted by  them and
subject to certain conditions. It is  expected that certificates for the  Shares
of  Common  Stock offered  hereby will  be  available for  delivery on  or about
October 3, 1995 at the offices of  Smith Barney Inc., 388 Greenwich Street,  New
York, New York 10013.

                                 --------------
SMITH BARNEY INC.
         ALEX. BROWN & SONS
               INCORPORATED
                              DONALDSON, LUFKIN & JENRETTE
                             SECURITIES CORPORATION
                                                         SCHRODER WERTHEIM & CO.

SEPTEMBER 27, 1995
<PAGE>
                             AVAILABLE INFORMATION

    HBOC is subject to the informational requirements of the Securities Exchange
Act  of 1934, as amended (the "Exchange Act"), and in accordance therewith files
reports, proxy statements and other information with the Securities and Exchange
Commission  (the  "Commission").  Such  reports,  proxy  statements  and   other
information  may be  inspected and  copied at the  Public Reference  Room of the
Commission at  450  Fifth Street,  N.W.,  Washington,  D.C. 20549;  and  at  the
Commission's regional offices at Citicorp Center, 500 West Madison Street, Suite
1400,  Chicago, Illinois 60661; and 7 World  Trade Center, 13th Floor, New York,
New York  10048.  Copies  of such  material  may  be obtained  from  the  Public
Reference  Section  of  the  Commission,  Room  1024,  450  Fifth  Street, N.W.,
Washington, D.C. 20549, at prescribed rates.

    The Company has filed with the  Commission a Registration Statement on  Form
S-3  (the "Registration Statement") of which  this Prospectus forms a part, with
respect to the  Shares being offered  hereby pursuant to  the Securities Act  of
1933,  as  amended  (the  "Securities  Act").  As  permitted  by  the  rules and
regulations of  the  Commission,  this  Prospectus  omits  certain  information,
exhibits   and  undertakings  contained  in  the  Registration  Statement.  Such
additional  information  can  be  inspected  at  the  principal  office  of  the
Commission  at 450 Fifth Street, N.W., Washington, D.C. 20549, and copies of the
Registration Statement can be obtained  from the Commission at prescribed  rates
by writing to the Commission at such address.

    Certain  financial information relating to CliniCom Incorporated, a Delaware
corporation ("CliniCom"), which has been obtained from certain periodic  reports
filed by CliniCom with the Commission pursuant to the applicable requirements of
the Exchange Act, is included herein to comply with certain accounting rules and
financial  information requirements promulgated by the Commission. Although HBOC
has entered into a definitive agreement with CliniCom pursuant to which CliniCom
will be merged with  a subsidiary of  HBOC and HBOC, upon  such merger, will  be
deemed  to be the  successor to CliniCom.  HBOC does not  presently control such
company. Accordingly, HBOC  does not have  the ability to  verify the  accuracy,
completeness  or correctness of such  financial information relating to CliniCom
and HBOC can offer no assurances concerning such information other than that  it
has  been  accurately  reproduced  from  the  relevant  reports  filed  with the
Commission under the Exchange Act by CliniCom.

                      DOCUMENTS INCORPORATED BY REFERENCE

    The information in  the following documents  filed by the  Company with  the
Commission  (File No.  0-9900) pursuant to  the Exchange Act  is incorporated by
reference in this Prospectus:

1.  Annual Report on Form 10-K for the fiscal year ended December 31, 1994 filed
    with the Commission on March 17, 1995, as amended by Form 10-K(A) filed with
    the Commission on March 31, 1995;

2.  Quarterly Reports on  Form 10-Q for the quarter  ended March 31, 1995  filed
    with  the Commission on May 9, 1995, and for the quarter ended June 30, 1995
    filed with the Commission on July 31, 1995, as amended by Form 10-Q(A) dated
    August 11, 1995 and filed with the Commission on August 14, 1995;

3.  Current  Reports on Form  8-K, dated February  24, 1995 and  filed with  the
    Commission  on February  24, 1995,  dated May  17, 1995  and filed  with the
    Commission on  May  17,  1995,  dated  June 23,  1995  and  filed  with  the
    Commission  on June 26, 1995, as amended by Form 8-K(A), dated July 31, 1995
    and filed with the  Commission on July  31, 1995 and  as further amended  by
    Form  8-K(A)2, dated August 8, 1995 and  filed with the Commission on August
    8, 1995, dated July 10,  1995, filed with the  Commission on July 11,  1995,
    dated July 18, 1995 and filed with the Commission on July 18, 1995 and dated
    August 16, 1995 and filed with the Commission on August 16, 1995;

                                       2
<PAGE>
4.   Proxy Statement, dated as of April 3, 1995, filed in final form on April 5,
    1995, with the  Commission with respect  to the information  required to  be
    included  herein  by  Items  402  (executive  compensation),  403  (security
    ownership of certain beneficial owners)  and 404 (certain relationships  and
    related transactions) of Regulation S-K promulgated under the Securities Act
    and the Exchange Act; and

5.    The  description  of  Common Stock  and  Preferred  Share  Purchase Rights
    contained in  HBOC's Registration  Statements on  Form 8-A,  filed with  the
    Commission on August 19, 1981, as amended and February 19, 1991, as amended,
    respectively.

    All  documents subsequently filed by the  Company pursuant to Section 13(a),
13(c), 14 or 15(d) of the Exchange Act prior to the termination of the  offering
of  the Shares hereunder shall be deemed  to be incorporated herein by reference
and shall be a part  hereof from the date of  the 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 Prospectus 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,  including  any
beneficial  owner,  to whom  a  Prospectus is  delivered,  upon written  or oral
request of  such person,  a  copy of  the  documents incorporated  by  reference
herein,  other than exhibits to such  documents not specifically incorporated by
reference. Such requests  should be directed  to: HBO &  Company, 301  Perimeter
Center  North, Atlanta, Georgia 30346, Attention: Monika Brown (telephone number
(770) 668-5926).

    IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR  EFFECT
TRANSACTIONS  WHICH STABILIZE OR  MAINTAIN THE MARKET PRICE  OF THE COMMON STOCK
OFFERED HEREBY AT A LEVEL ABOVE THAT  WHICH MIGHT OTHERWISE PREVAIL IN THE  OPEN
MARKET.  SUCH TRANSACTIONS MAY BE  EFFECTED ON THE NASDAQ  NM OR OTHERWISE. SUCH
STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.

    IN CONNECTION WITH THIS OFFERING, CERTAIN UNDERWRITERS MAY ENGAGE IN PASSIVE
MARKET MAKING TRANSACTIONS IN  THE COMMON STOCK ON  THE NASDAQ NM IN  ACCORDANCE
WITH RULE 10B-6A UNDER THE EXCHANGE ACT. SEE "UNDERWRITING."

                                       3
<PAGE>
                               PROSPECTUS SUMMARY

    THE  FOLLOWING SUMMARY  IS QUALIFIED  IN ITS  ENTIRETY BY  THE MORE DETAILED
INFORMATION AND FINANCIAL STATEMENTS AND  THE NOTES THERETO APPEARING  ELSEWHERE
IN  THIS PROSPECTUS  OR INCORPORATED  HEREIN BY  REFERENCE. EXCEPT  AS OTHERWISE
NOTED, ALL  INFORMATION IN  THIS PROSPECTUS  ASSUMES NO  EXERCISE OF  THE  OVER-
ALLOTMENT OPTION GRANTED TO THE UNDERWRITERS.

                                  THE COMPANY

    HBOC  is  a leading  healthcare  information systems  company  that develops
integrated patient care, clinical,  financial and strategic management  software
solutions  for healthcare  providers, payers and  integrated healthcare delivery
systems. HBOC designs open systems solutions which facilitate the integration of
clinical, financial  and  administrative data  from  a wide  range  of  customer
systems  and software. The Company's broad  product portfolio can be implemented
on a stand-alone, combined or enterprisewide basis. HBOC's newer products  offer
open  systems solutions that enable customers to add incremental capabilities to
existing information systems, without making prior capital investments obsolete.
HBOC also  provides  networking  technologies  and  outsourcing  services  under
contract  management  agreements whereby  its  staff manages  and  operates data
centers, information systems, organizations  and business offices of  healthcare
institutions of various sizes and structures.

    The  Company  markets its  products  and services  to  hospitals, integrated
healthcare delivery systems, physicians'  offices, managed care providers,  home
health  providers, pharmacies and reference  laboratories, and currently has one
or more applications installed in approximately 2,600 of the 5,900 hospitals  in
the   United  States.  The   Company  also  sells   its  products  and  services
internationally through its subsidiaries  in the United  Kingdom and Canada  and
distribution agreements in Saudi Arabia, Australia, Puerto Rico and New Zealand.

    The Company's strategy is to provide a comprehensive range of computer-based
information  systems  and  services  designed  to  meet  the  evolving  needs of
healthcare enterprises. The key elements of  this strategy are to: (i)  leverage
its  existing customer  base to sell  additional applications  and new products;
(ii) provide  enterprisewide solutions  to  the evolving  integrated  healthcare
delivery  systems  market;  (iii)  provide open  systems  solutions  designed to
integrate  with  other  data  and  software;  (iv)  establish  premier   product
brand-name recognition in new markets; and (v) continue its significant research
and  development efforts to  ensure its product offerings  will continue to meet
the evolving needs of its existing and potential customer base.

    HBO & Company was incorporated in Delaware in 1974. The Company's  executive
offices  are located at 301 Perimeter  Center North, Atlanta, Georgia 30346. The
Company's telephone number is (770) 393-6000.

                              RECENT ACQUISITIONS

    The Company has grown its business through the development of new  products,
the  expansion of its service capabilities and the addition of new customers. In
addition, a substantial portion of its recent growth has come from  acquisitions
which expanded the HBOC product lines and enhanced its installed customer base.

    In  February  1995 the  Company acquired  Advanced Laboratory  Systems, Inc.
("ALS"), a  Eugene,  Oregon  based  developer of  laboratory  software  for  the
healthcare  and commercial marketplace, for $7 million, net of cash acquired. In
June 1995  HBOC  acquired the  Health  Systems  Group ("HSG")  from  First  Data
Corporation,  the Selling Stockholder  in this Offering,  for approximately $201
million, consisting of  4 million shares  of HBOC Common  Stock and $600,000  in
cash.  Now known as  HBOC's Charlotte Product  Group, this business  unit has an
installed base of more than 500  customers and provides information systems  and
services to hospitals, medical group practices and medical facilities throughout
the United States, and in the United Kingdom, Australia and Puerto Rico. In July
1995 the Company acquired Pegasus Medical LTD, the developer of a computer-based
patient record

                                       4
<PAGE>
designed  to support  clinical processes in  physicians' offices  and across the
continuum of care, for $8 million in  cash and an additional cash payment of  up
to $7 million, contingent upon product development.

    Also  in  July 1995  HBOC  entered into  a  definitive agreement  to acquire
CliniCom Incorporated ("CliniCom") pursuant to  which each of the  approximately
8,660,000  outstanding shares of CliniCom common stock would be exchanged for .4
of a share  of HBOC  Common Stock (the  "CliniCom Acquisition").  CliniCom is  a
developer  of  point-of-care clinical  information systems.  For the  six months
ended June 30, 1995, CliniCom reported  that 54% of CliniCom's $21.8 million  in
net  sales were attributable  to a cooperative  marketing arrangement with HBOC.
The acquisition is subject to certain conditions, including CliniCom stockholder
approval.

                                  THE OFFERING

<TABLE>
<S>                                                     <C>
Common Stock Offered by Selling Stockholder...........  3,600,000 Shares(1)
Total Outstanding Common Stock........................  36,197,554 shares(2)
Use of Proceeds.......................................  The Company will not receive any
                                                        proceeds from the sale of the Shares
                                                        offered hereby.
Nasdaq National Market Symbol.........................  HBOC
<FN>
- ------------------------
(1)  Excludes up to  400,000 shares  of Common  Stock that  may be  sold by  the
     Selling  Stockholder upon exercise of  the over-allotment option granted to
     the Underwriters. See "Underwriting."

(2)  Excludes approximately  3,500,000  shares  of Common  Stock  issuable  upon
     consummation   of  the  CliniCom  Acquisition.  See  "Pro  Forma  Financial
     Information." Also excludes up to 2,381,413 shares of Common Stock reserved
     for issuance upon exercise of director  and employee stock options of  HBOC
     at a weighted average exercise price of $16.856 per share and up to 516,563
     shares  of Common  Stock issuable  upon exercise  of director  and employee
     stock options of CliniCom.
</TABLE>

                                       5
<PAGE>
               SUMMARY CONSOLIDATED FINANCIAL AND OPERATING DATA
             (IN THOUSANDS, EXCEPT FOR PER SHARE AND CUSTOMER DATA)

<TABLE>
<CAPTION>
                                                                                                                         PRO FORMA
                                                                         PRO FORMA FOR                                    FOR SIX
                                                                           YEAR ENDED           SIX MONTHS ENDED        MONTHS ENDED
                                            YEARS ENDED DECEMBER 31,      DECEMBER 31,              JUNE 30,              JUNE 30,
                                          ----------------------------  ----------------   --------------------------   ------------
                                            1992      1993      1994        1994 (1)         1994          1995           1995 (1)
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
<S>                                       <C>       <C>       <C>       <C>                <C>       <C>                <C>
INCOME STATEMENT DATA:
Revenue.................................  $214,954  $250,791  $327,201      $510,522       $145,850  $        190,245     $277,397
Operating Expense:
  Cost of Operations....................   118,106   132,801   172,894       285,277         78,870            91,279      145,510
  Marketing.............................    26,144    34,631    42,769        57,091         19,649            26,411       32,178
  Research and Development..............    20,096    23,428    28,928        39,228         13,085            16,453       18,471
  General and Administrative............    29,035    27,765    34,590        52,675         14,712            20,490       30,930
  Nonrecurring Charge...................        --        --        --            --             --           125,520(2)         --
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Operating Expense Before Nonrecurring
 Charge.................................   193,381   218,625   279,181       434,271        126,316           154,633      227,089
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Operating Expense After Nonrecurring
 Charge.................................   193,381   218,625   279,181       434,271        126,316           280,153      227,089
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Operating Income Before Nonrecurring
 Charge.................................    21,573    32,166    48,020        76,251         19,534            35,612       50,308
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Operating Income (Loss) After
 Nonrecurring Charge....................    21,573    32,166    48,020        76,251         19,534           (89,908)      50,308
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Net Income (Loss).......................  $ 13,758  $ 18,819  $ 28,159      $ 41,573       $ 11,763  $        (54,561)    $ 27,784
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
                                          --------  --------  --------  ----------------   --------  ----------------   ------------
Fully Diluted Earnings (Loss) Per
 Share..................................  $    .43  $    .58  $    .85      $   1.02       $    .36  $     (1.69)/.61(3)   $    .67
Fully Diluted Weighted Average Shares
 Outstanding............................    32,296    32,718    33,106        40,667         32,834            32,333       41,259

OPERATING DATA:
Recurring Revenue.......................  $ 83,809  $ 88,035  $119,678                     $ 50,818  $         77,687
One-Time Sales Revenue..................  $131,145  $162,756  $207,523                     $ 95,032  $        112,558
Approximate Number of Customers.........     1,300     1,400     2,100                        1,600             2,600
</TABLE>

<TABLE>
<CAPTION>
                                                                                               JUNE 30, 1995
                                                                                          ------------------------
                                                                                           ACTUAL    PRO FORMA (1)
                                                                                          ---------  -------------
<S>                                                                                       <C>        <C>
BALANCE SHEET DATA:
Working Capital (Deficiency)............................................................  $ (12,370)   $  11,364
Total Assets............................................................................  $ 441,455    $ 467,668
Long-Term Debt..........................................................................  $     879    $     879
Stockholders' Equity....................................................................  $ 241,769    $ 271,375
<FN>
- ------------------------------
(1)  Gives effect to  the acquisition  of HSG  and the  proposed acquisition  of
     CliniCom as if each had occurred on January 1 of each period presented. For
     a detailed description, see "Pro Forma Financial Information."

(2)  Primarily  relates to research and development purchased from FDC which had
     not reached  the  stage  of technological  feasibility.  See  "Management's
     Discussion and Analysis of Financial Condition and Results of Operations."

(3)  $.61  excludes the nonrecurring charge and  includes the effect of dilutive
     stock options.
</TABLE>

                                       6
<PAGE>
                                  RISK FACTORS

    IN  ADDITION TO THE OTHER INFORMATION CONTAINED OR INCORPORATED BY REFERENCE
IN  THIS  PROSPECTUS,  PROSPECTIVE  INVESTORS  SHOULD  CONSIDER  CAREFULLY   THE
FOLLOWING  FACTORS  IN  EVALUATING AN  INVESTMENT  IN THE  COMMON  STOCK OFFERED
HEREBY.

ACQUISITIONS AND INTEGRATION

    An important element of the Company's  business strategy has been to  expand
through  acquisitions. The Company's future  success is partially dependent upon
its ability  to effectively  integrate acquired  businesses with  the  Company's
operations.  Although the Company believes that  its recent acquisitions will be
successful and that it will be able to effect such integration, there can be  no
assurance  that past or  future acquisitions will  be successfully integrated or
that any  such  acquisition  will  otherwise be  successful.  In  addition,  the
financial  performance of the Company is now  and will continue to be subject to
various risks  associated  with the  acquisition  of businesses,  including  the
financial effects associated with the integration of such businesses. During the
fiscal  quarter ended June 30, 1995, the Company recorded a $126 million pre-tax
charge in connection with its acquisition  of HSG from the Selling  Stockholder.
The  Company has entered  into a definitive agreement  to acquire CliniCom which
the Company presently  expects to  close early in  the fourth  quarter of  1995,
although  there can be  no assurance that such  transaction will be consummated.
See "Management's Discussion and Analysis of Financial Condition and Results  of
Operations -- General" and "Business -- Strategy."

HEALTHCARE INDUSTRY AND MARKET CHANGES

    The  healthcare  industry is  subject  to changing  political,  economic and
regulatory influences  that  may  affect the  procurement  practices  and  other
operational  aspects of the healthcare industry.  During the past several years,
the healthcare  industry  has  been  subject  to  an  increase  in  governmental
regulation  of,  among other  things,  reimbursement rates  and  certain capital
expenditures. A number of lawmakers have  announced that they intend to  propose
programs  to  reform  the U.S.  healthcare  system. These  programs  may contain
proposals  to   increase   governmental   involvement   in   healthcare,   lower
reimbursement  rates  and otherwise  change  the operating  environment  for the
Company's  customers.  Cost  containment   measures  instituted  by   healthcare
providers  could  result in  greater selectivity  in  the allocation  of capital
funds, which could have an adverse effect  on the Company's ability to sell  its
products  and  services.  The Company  cannot  predict with  any  certainty what
effect, if any, such proposals or healthcare reforms might have on its business,
financial condition or results of operations.

    In addition,  the healthcare  industry is  currently undergoing  significant
consolidation  of healthcare providers  resulting in a  smaller number of larger
healthcare delivery enterprises. The changing industry profile produced by  this
consolidation  could  have  an  adverse  impact  on  the  Company's  margins and
profitability due to increased competition.

    Certain clinical applications  of the  Company's computer-assisted  services
may  be subject to regulation  by the federal Food  and Drug Administration (the
"FDA") as medical devices. Such regulation would require the registration of the
applicable manufacturing facility and  software/ hardware products,  application
of   detailed   recordkeeping  and   manufacturing  standards,   and  pre-market
notification to the FDA  of the Company's intent  to market the applications  in
question.   The  pre-market  notification  procedure   could  create  delays  in
marketing, and the FDA could require  supplemental filings or object to  certain
of these applications.

COMPETITION

    The industry in which the Company operates is highly competitive and subject
to  continual change in the  manner in which products  and services are marketed
and vendors are selected by customers. The primary competitive factors are scope
and quality of products  and service and  support capabilities. Certain  current
and potential competitors have greater resources than the Company.

                                       7
<PAGE>
TECHNOLOGICAL CHANGE; PROPRIETARY TECHNOLOGY

    Future advances in the healthcare information systems industry could lead to
new  technologies, products or  services that are  competitive with the products
and services  offered  by the  Company.  The Company's  continued  success  will
depend,  in part, on its ability  to be responsive to technological developments
and challenges. Such technological  advances could also lower  the cost of  such
products  and  services or  otherwise result  in competitive  pricing pressures,
which could have an adverse effect on the Company. To remain competitive in  the
evolving  healthcare information  systems marketplace, the  Company must develop
new products on a timely basis.  The failure to develop competitive products  or
to  introduce new products on a timely basis could have an adverse effect on the
Company's future financial performance.

    The Company relies on a combination of trade secret, copyright and trademark
laws, nondisclosure and other contractual  provisions and technical measures  to
protect  its proprietary rights in its products.  There can be no assurance that
these protections will be  adequate or that the  Company's competitors will  not
independently develop technologies that are substantially equivalent or superior
to the Company's technology. Although the Company believes that its products and
other  proprietary rights do  not infringe upon the  proprietary rights of third
parties,  there  can  be  no  assurance  that  third  parties  will  not  assert
infringement claims against the Company in the future.

PRODUCT LIABILITY

    Certain  of  the  Company's  products provide  applications  that  relate to
patient medical  histories and  treatment plans.  Although the  Company has  not
experienced  any material claims to date,  any failure of the Company's products
to provide accurate and  timely information could result  in claims against  the
Company.  The Company maintains  insurance to protect  against claims associated
with the use of its products, but  there can be no assurance that its  insurance
coverage would adequately cover any claim asserted against the Company.

POSSIBLE VOLATILITY OF STOCK PRICE

    The  stock market has from time to time experienced extreme price and volume
fluctuations, particularly in the high technology sector, which have often  been
unrelated   to  the   operating  performance   of  particular   companies.  Such
fluctuations and factors such as  announcements of technological innovations  or
new  products by  the Company or  its competitors  or third parties,  as well as
market conditions in the computer software or hardware industries and healthcare
reform measures,  may have  a significant  effect  on the  market price  of  the
Company's  Common Stock. Also, since the Company recognizes revenues for certain
products upon the completion of certain milestone conditions, delays in  meeting
such  conditions  could result  in  the shift  of  revenue recognition  from one
quarter to  another.  Any such  shift  could  adversely impact  the  results  of
operations  for a particular quarter, which  in turn could cause fluctuations in
the Company's stock price.

SHARES ELIGIBLE FOR FUTURE SALE

    See "Shares Eligible  for Future  Sale" for  a discussion  of the  potential
effect  on  the market  price  of the  Company's Common  Stock  of sales  of the
Company's outstanding shares  and, particularly,  the shares  issuable upon  the
closing   of  the  recently  announced   CliniCom  Acquisition.  Sales,  or  the
availability for sale, of a substantial  number of shares of Common Stock  could
have a significant adverse effect on the market price for the Common Stock.

                                       8
<PAGE>
                        PRO FORMA FINANCIAL INFORMATION

    The  following unaudited  Pro Forma Combined  Income Statements  for the six
months ended June  30, 1995, and  the year  ended December 31,  1994, have  been
prepared   to  reflect  adjustments  to  the  Company's  historical  results  of
operations to give effect to the acquisition of HSG and the proposed acquisition
of CliniCom as if each had been acquired on January 1 of each period  presented.
The  attached Pro Forma Combined Balance Sheets as of June 30, 1995, give effect
to the proposed acquisition of CliniCom as if it had occurred on that date.

    These pro forma statements  have been prepared by  the Company based on  the
audited financial statements of HSG and CliniCom for the year ended December 31,
1994,  and the unaudited financial statements of HSG for the period from January
1 through June 17, 1995, and of CliniCom for the six months ended June 30, 1995,
which statements are incorporated by reference herein.

    These pro forma statements are not necessarily indicative of the results  of
operations  which would  have been  attained had  each of  the acquisitions been
consummated on the dates indicated or which may be attained in the future. These
pro forma statements should be read in conjunction with "Management's Discussion
and  Analysis  of  Financial  Condition  and  Results  of  Operations"  and  the
historical  financial statements  and notes thereto  of HBOC,  HSG and CliniCom,
incorporated herein by reference.

                                       9
<PAGE>
                         HBO & COMPANY AND SUBSIDIARIES
                      PRO FORMA COMBINED INCOME STATEMENTS
                     FOR THE SIX MONTHS ENDED JUNE 30, 1995
                   (IN THOUSANDS, EXCEPT FOR PER SHARE DATA)

<TABLE>
<CAPTION>
                                                      PRO FORMA        PRO FORMA                 PRO FORMA         PRO FORMA
                                  HBOC       HSG     ADJUSTMENTS        COMBINED    CLINICOM    ADJUSTMENTS         COMBINED
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
<S>                             <C>        <C>       <C>               <C>          <C>         <C>                <C>
Revenue.......................  $ 190,245  $ 53,429  $  17,048(2)      $ 258,440    $ 21,770    $  (2,813)(8)      $ 277,397
                                                        (2,282)(3)
Operating Expense:
  Cost of Operations..........     91,279        --     44,263(2)        137,194      11,429       (4,231)(8)        145,510
                                                          (296)(3)                                  1,418(8)
                                                           130(3)                                    (300)(9)
                                                         3,334(3)
                                                          (456)(3)
                                                        (1,060)(3)
  Marketing...................     26,411        --      6,048(2)         29,810       2,758         (390)(9)         32,178
                                                        (2,649)(3)
  Research and Development....     16,453        --      4,509(2)         16,724       2,347         (600)(9)         18,471
                                                        (4,238)(3)
  General and
   Administrative.............     20,490        --     12,597(2)         29,309       2,381         (760)(9)         30,930
                                                        (1,896)(3)
                                                           767(3)
                                                        (2,649)(3)
  Nonrecurring Charge.........    125,520        --   (125,520)(5)             0          --           --                  0
  HSG Operating Expense.......         --    50,369    (50,369)(2)             0          --           --                  0
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
    Total Operating Expense...    280,153    50,369   (117,485)          213,037      18,915       (4,863)           227,089
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
Operating Income (Loss).......    (89,908)    3,060    132,251            45,403       2,855        2,050             50,308
Other Income (Expense), Net...     (1,026)   (3,233)        --            (4,259)        258           --             (4,001)
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
Income (Credit) Before
 Provision for Income Taxes...    (90,934)     (173)   132,251            41,144       3,113        2,050             46,307
Provision (Credit) for Income
 Taxes........................    (36,373)    1,433     51,398(6)         16,458         158        1,907(10)         18,523
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
Net Income (Loss).............  $ (54,561) $ (1,606) $  80,853         $  24,686    $  2,955    $     143          $  27,784
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
                                ---------  --------  ------------      ----------   ---------   ------------       ----------
Earnings (Loss) Per Share:
  Primary.....................  $   (1.69)       --         --         $     .66    $    .33           --          $     .68
  Fully Diluted...............  $   (1.69)       --         --         $     .66    $    .33           --          $     .67
Weighted Average Shares
 Outstanding:
  Primary.....................     32,333        --      5,149(7)         37,482       9,007       (5,404)(11)        41,085
  Fully Diluted...............     32,333        --      5,323(7)         37,656       9,007       (5,404)(11)        41,259
</TABLE>

            See "Notes to Pro Forma Combined Financial Statements."

                                       10
<PAGE>
                         HBO & COMPANY AND SUBSIDIARIES
                      PRO FORMA COMBINED INCOME STATEMENTS
                      FOR THE YEAR ENDED DECEMBER 31, 1994
                   (IN THOUSANDS, EXCEPT FOR PER SHARE DATA)
<TABLE>
<CAPTION>
                                                                 PRO FORMA       PRO FORMA                  PRO FORMA
                                            HBOC      HSG       ADJUSTMENTS      COMBINED    CLINICOM      ADJUSTMENTS
                                          --------  --------  ----------------   ---------   --------   -----------------
<S>                                       <C>       <C>       <C>                <C>         <C>        <C>
Revenue.................................  $327,201  $121,241  $    36,732(2)     $480,546    $35,416    $     (5,440)(8)
                                                                   (4,628)(3)
Operating Expense:
  Cost of Operations....................   172,894        --       93,480(2)      273,131     18,186          (5,005)(8)
                                                                     (746)(3)                                   (435)(8)
                                                                      260(3)                                    (600)(9)
                                                                    6,668(3)
                                                                     (925)(3)
                                                                    1,500(4)
  Marketing.............................    42,769        --       14,625(2)       52,825      5,046            (780)(9)
                                                                   (4,569)(3)
  Research and Development..............    28,928        --        9,153(2)       37,125      3,303          (1,200)(9)
                                                                     (956)(3)
  General and Administrative............    34,590        --       20,393(2)       50,476      3,719          (1,520)(9)
                                                                   (3,879)(3)
                                                                    1,534(3)
                                                                   (2,162)(3)
  HSG Operating Expense.................        --   100,919     (100,919)(2)           0         --              --
                                          --------  --------  ----------------   ---------   --------        -------
    Total Operating Expense.............   279,181   100,919       33,457         413,557     30,254          (9,540)
                                          --------  --------  ----------------   ---------   --------        -------
Operating Income (Loss).................    48,020    20,322       (1,353)         66,989      5,162           4,100
Other Income (Expense), Net.............    (1,031)   (6,703)          --          (7,734)       771              --
                                          --------  --------  ----------------   ---------   --------        -------
Income (Credit) Before Provision for
 Income Taxes...........................    46,989    13,619       (1,353)         59,255      5,933           4,100
Provision (Credit) for Income Taxes.....    18,830     7,877       (3,005)(6)      23,702        445           3,568(10)
                                          --------  --------  ----------------   ---------   --------        -------
Net Income..............................  $ 28,159  $  5,742  $     1,652        $ 35,553    $ 5,488    $        532
                                          --------  --------  ----------------   ---------   --------        -------
                                          --------  --------  ----------------   ---------   --------        -------
Earnings Per Share:
  Primary...............................  $    .85        --           --        $    .96    $   .62              --
  Fully Diluted.........................  $    .85        --           --        $    .96    $   .62              --
Weighted Average Shares Outstanding:
  Primary...............................    32,973        --        4,000(7)       36,973      8,901          (5,341)(11)
  Fully Diluted.........................    33,106        --        4,000(7)       37,106      8,902          (5,341)(11)

<CAPTION>
                                          PRO FORMA
                                          COMBINED
                                          ---------
<S>                                       <C>
Revenue.................................  $510,522

Operating Expense:
  Cost of Operations....................   285,277

  Marketing.............................    57,091

  Research and Development..............    39,228

  General and Administrative............    52,675

  HSG Operating Expense.................         0
                                          ---------
    Total Operating Expense.............   434,271
                                          ---------
Operating Income (Loss).................    76,251
Other Income (Expense), Net.............    (6,963)
                                          ---------
Income (Credit) Before Provision for
 Income Taxes...........................    69,288
Provision (Credit) for Income Taxes.....    27,715
                                          ---------
Net Income..............................  $ 41,573
                                          ---------
                                          ---------
Earnings Per Share:
  Primary...............................  $   1.03
  Fully Diluted.........................  $   1.02
Weighted Average Shares Outstanding:
  Primary...............................    40,533
  Fully Diluted.........................    40,667
</TABLE>

            See "Notes to Pro Forma Combined Financial Statements."

                                       11
<PAGE>
                         HBO & COMPANY AND SUBSIDIARIES
                       PRO FORMA COMBINED BALANCE SHEETS
                                 JUNE 30, 1995
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                                        PRO FORMA     PRO FORMA
                                                                                    HBOC    CLINICOM   ADJUSTMENTS    COMBINED
                                                                                  --------  --------   ------------   ---------

<S>                                                                               <C>       <C>        <C>            <C>
                                                            ASSETS

Current Assets:
  Cash and Cash Equivalents.....................................................  $  8,232  $ 7,526    $      --      $ 15,758
  Receivables, Net..............................................................   131,709   23,884      (13,486)(8)   142,107
  Current Deferred Income Taxes.................................................     9,130       --           --         9,130
  Inventories...................................................................     1,868    3,401           --         5,269
  Prepaids and Other Current Assets.............................................    12,061      895       (1,879)(8)    11,077
                                                                                  --------  --------   ------------   ---------
    Total Current Assets........................................................   163,000   35,706      (15,365)      183,341
                                                                                  --------  --------   ------------   ---------
Intangibles, Net................................................................   181,293       --           --       181,293
Deferred Income Taxes...........................................................    33,096       --           --        33,096
Property and Equipment, Net.....................................................    31,983    2,646           --        34,629
Capitalized Software, Net.......................................................    25,626    3,491         (400)(8)    28,717
Other Noncurrent Assets, Net....................................................     6,457      135           --         6,592
                                                                                  --------  --------   ------------   ---------
      Total Assets..............................................................  $441,455  $41,978    $ (15,765)     $467,668
                                                                                  --------  --------   ------------   ---------
                                                                                  --------  --------   ------------   ---------

                                             LIABILITIES AND STOCKHOLDERS' EQUITY

Current Liabilities.............................................................  $175,370  $ 8,816    $ (12,209)(8)  $171,977
Long-Term Debt..................................................................       879       --           --           879
Other Long-Term Liabilities.....................................................    23,437       --           --        23,437
Stockholders' Equity............................................................   241,769   33,162       (3,556)(8)   271,375
                                                                                  --------  --------   ------------   ---------
      Total Liabilities and Stockholders' Equity................................  $441,455  $41,978    $ (15,765)     $467,668
                                                                                  --------  --------   ------------   ---------
                                                                                  --------  --------   ------------   ---------
</TABLE>

            See "Notes to Pro Forma Combined Financial Statements."

                                       12
<PAGE>
                NOTES TO PRO FORMA COMBINED FINANCIAL STATEMENTS
                                 (IN THOUSANDS)

GENERAL

    1.  The  attached Pro Forma  Combined Income Statements  for the six  months
ended  June 30, 1995, and  the year ended December 31,  1994, give effect to the
acquisition of  HSG which  was completed  on  June 17,  1995, and  the  proposed
CliniCom Acquisition. The foregoing Pro Forma Combined Balance Sheets as of June
30, 1995, give effect to the proposed CliniCom Acquisition as if it had occurred
on  that date. No pro forma adjustments are necessary for the HSG acquisition on
the June 30, 1995, Pro Forma Combined Balance Sheets since that transaction  was
completed on June 17, 1995.

    HBOC  accounted  for the  acquisition  of HSG  as  a purchase.  The proposed
CliniCom Acquisition, which is subject to certain conditions including  CliniCom
stockholder  approval, is expected to close early in the fourth quarter of 1995.
The transaction will be accounted for as a pooling of interests.

    Adjustments to  the  Pro  Forma  Combined  Income  Statements  include  such
adjustments  as are necessary  to allocate the  HSG purchase price  based on the
estimated fair market value of the  assets acquired and the liabilities  assumed
and  to give  effect to  events that  are directly  attributable to  the HSG and
CliniCom transactions, which are  expected to have a  continuing impact on  HBOC
and are factually supportable. The adjustments related to the Pro Forma Combined
Income  Statements assume the transactions were consummated on January 1 of each
period presented.

    Adjustments  to  the  Pro  Forma   Combined  Balance  Sheets  include   such
adjustments  as  are  necessary  to  give effect  to  events  that  are directly
attributable to  the CliniCom  Acquisition and  are factually  supportable.  The
adjustments  related  to  the  Pro  Forma  Combined  Balance  Sheets  assume the
transaction was consummated on June 30, 1995.

HSG ACQUISITION

    2.  HSG  revenue and  expense classifications were  historically broken  out
using  different policies than those applied  by HBOC. The adjustments necessary
to reclassify HSG revenue and expenses in accordance with HBOC policies are:

<TABLE>
<CAPTION>
                                                    6/30/95      12/31/94
                                                    --------     ---------
<S>                                                 <C>          <C>
Revenue...........................................  $ 17,048     $  36,732
Cost of Operations................................  $ 44,263     $  93,480
Marketing.........................................  $  6,048     $  14,625
Research and Development..........................  $  4,509     $   9,153
General and Administrative........................  $ 12,597     $  20,393
HSG Operating Expense.............................  $(50,369)    $(100,919)
</TABLE>

    Historically, HSG  netted certain  costs against  revenue for  presentation,
while HBOC has historically reported revenue as a gross number.

                                       13
<PAGE>
          NOTES TO PRO FORMA COMBINED FINANCIAL STATEMENTS (CONTINUED)
                                 (IN THOUSANDS)

    3.  The following adjustments are necessary to adjust the June 30, 1995, and
December  31,  1994, income  statement impact  of the  asset and  liability fair
market value adjustments, assuming the purchase  of HSG had been consummated  on
January 1 of each period presented:

<TABLE>
<CAPTION>
                                                    6/30/95     12/31/94
                                                    -------     --------
<S>                                                 <C>         <C>
HSG Capitalized Software..........................  $  (296)    $   (746)
HSG Goodwill......................................  $(1,896)    $ (3,879)
HBOC Capitalized Software.........................  $   130     $    260
HBOC Customer Lists --
  to amortize over 15 years.......................  $ 3,334     $  6,668
HBOC Goodwill --
  to amortize over seven years....................  $   767     $  1,534
Deferred Revenue:
  Revenue.........................................  $(2,282)    $ (4,628)
  Cost of Operations..............................  $  (456)    $   (925)
Terminated Employees:
  Cost of Operations..............................  $(1,060)    $     --
  Marketing.......................................  $(2,649)    $ (4,569)
  Research and Development........................  $(4,238)    $   (956)
  General and Administrative......................  $(2,649)    $ (2,162)
</TABLE>

    HBOC  recorded the HSG  deferred revenue acquired  at its cost  (the cost to
service remaining commitment). The net profit  which had been deferred has  been
eliminated.

    The  reduction of expense  related to terminated  employees results from the
termination of certain  HSG employees  in order to  eliminate certain  redundant
positions and increase the efficiency of the combined operations.

    4.  HSG was charged an allocated amount for the use of FDC's Data Center. In
1994,  the amount charged was less than  that deemed reasonable by management by
$1,500. The adjusted charge reflects that which  will be charged to HBOC in  the
future. The 1995 charge has been deemed reasonable by management.

    5.  In the second quarter of 1995, HBOC recorded a $125,520 charge primarily
related  to purchased research and development  of HSG. This nonrecurring charge
has  been  eliminated  from  the  June  30,  1995,  Pro  Forma  Combined  Income
Statements.

    6.  The provision for income tax was derived by using the HBOC effective tax
rate of 40%.

    7.   The weighted average shares outstanding  have been adjusted for the HSG
acquisition to give effect to the additional 4 million shares of Common Stock of
HBOC outstanding, assuming the transaction had been consummated on January 1  of
each period presented and to give effect to the dilutive effect of stock options
outstanding at June 30, 1995, assuming that HBOC had net income.

CLINICOM ACQUISITION

    8.   Beginning in 1988,  HBOC and CliniCom were  parties to various informal
cooperative   marketing   arrangements.   Accordingly,   certain    intercompany
transactions and balances are included in the historical financial statements of
HBOC   and  CliniCom.  The  adjustments   necessary  to  eliminate  intercompany
transactions assuming the pooling of interests had been consummated on January 1
of each period presented are:

<TABLE>
<CAPTION>
                                                    6/30/95     12/31/94
                                                    -------     --------
<S>                                                 <C>         <C>
Revenue...........................................  $(2,813)    $ (5,440)
Cost of Operations................................  $(4,231)    $ (5,005)
</TABLE>

                                       14
<PAGE>
          NOTES TO PRO FORMA COMBINED FINANCIAL STATEMENTS (CONTINUED)
                                 (IN THOUSANDS)

    The following  adjustments  are necessary  to  correctly match  revenue  and
expenses  according to HBOC policies, assuming the pooling of interests had been
consummated on January 1 of each period presented:

<TABLE>
<CAPTION>
                                                    6/30/95      12/31/94
                                                    -------      --------
<S>                                                 <C>          <C>
Cost of Operations................................  $ 1,418       $(435)
</TABLE>

    The adjustments necessary to  eliminate intercompany balances, assuming  the
pooling of interests had been consummated on June 30, 1995, are:

<TABLE>
<CAPTION>
                                                     6/30/95
                                                    ---------
<S>                                                 <C>
Receivables.......................................  $ (13,486)
Prepaids and Other Current Assets.................  $  (1,879)
Capitalized Software..............................  $    (400)
Current Liabilities...............................  $ (12,209)
Retained Earnings.................................  $  (3,556)
</TABLE>

    9.  The following adjustments are necessary to adjust the June 30, 1995, and
December  31, 1994, income  statements to give  effect to employee terminations.
The reduction  of  expense related  to  terminated employees  results  from  the
termination  of  certain  CliniCom  employees  in  order  to  eliminate  certain
redundant positions and increase the efficiency of the combined operations.  The
adjustments, assuming the pooling of interests had been consummated on January 1
of each period presented, are:

<TABLE>
<CAPTION>
                                                    6/30/95      12/31/94
                                                    -------      --------
<S>                                                 <C>          <C>
Cost of Operations................................   $ (300)     $   (600)
Marketing.........................................   $ (390)     $   (780)
Research and Development..........................   $ (600)     $ (1,200)
General and Administrative........................   $ (760)     $ (1,520)
</TABLE>

    10.   The provision for  income tax was derived  by using the HBOC effective
tax rate of 40%.

    11.  The definitive agreement to acquire CliniCom provides for the  exchange
of .4 of a share of Common Stock of HBOC for each share of currently outstanding
CliniCom common stock.

                                       15
<PAGE>
                                 HBO & COMPANY
                   SELECTED HISTORICAL FINANCIAL INFORMATION
                          (FROM CONTINUING OPERATIONS)
                   (IN THOUSANDS, EXCEPT FOR PER SHARE DATA)

    The following selected historical financial information for each of the five
years  in the period ended December 31,  1994, set forth below have been derived
from the consolidated financial statements of the Company. The report of  Arthur
Andersen  LLP, independent public accountants, with respect to such consolidated
financial statements as of December 31, 1993,  and 1994 and for the three  years
in  the  period  ended  December  31,  1994,  has  been  incorporated  herein by
reference. The historical financial  information for the  six months ended  June
30,  1994, and 1995  is derived from  the unaudited financial  statements of the
Company, which in the  opinion of management  include all adjustments  necessary
for  a fair presentation of the financial condition and results of operations of
the Company for such periods.

<TABLE>
<CAPTION>
                                                                                                              SIX MONTHS ENDED
                                                                       YEAR ENDED DECEMBER 31,                    JUNE 30,
                                                           ------------------------------------------------  ------------------
                                                             1990      1991      1992      1993      1994      1994      1995
                                                           --------  --------  --------  --------  --------  --------  --------
<S>                                                        <C>       <C>       <C>       <C>       <C>       <C>       <C>
INCOME STATEMENT DATA:
Revenue..................................................  $179,704  $177,775  $214,954  $250,791  $327,201  $145,850  $190,245
Operating Expense:
  Cost of Operations.....................................    99,036    99,314   118,106   132,801   172,894    78,870    91,279
  Marketing..............................................    20,530    22,741    26,144    34,631    42,769    19,649    26,411
  Research and Development...............................    19,166    19,571    20,096    23,428    28,928    13,085    16,453
  General and Administrative.............................    28,103    27,762    29,035    27,765    34,590    14,712    20,490
  Nonrecurring Charge....................................       731    10,883        --        --        --        --   125,520(1)
                                                           --------  --------  --------  --------  --------  --------  --------
    Total Operating Expense..............................   167,566   180,271   193,381   218,625   279,181   126,316   280,153
                                                           --------  --------  --------  --------  --------  --------  --------
Operating Income (Loss)..................................    12,138    (2,496)   21,573    32,166    48,020    19,534   (89,908)
Other Income (Expense), Net..............................      (133)   (1,263)     (553)     (669)   (1,031)       73    (1,026)
                                                           --------  --------  --------  --------  --------  --------  --------
Net Income (Loss) Before Provision (Credit) for Income
 Taxes...................................................    12,005    (3,759)   21,020    31,497    46,989    19,607   (90,934)
Provision (Credit) for Income Taxes......................     3,811    (1,312)    7,262    12,678    18,830     7,844   (36,373)
                                                           --------  --------  --------  --------  --------  --------  --------
Net Income (Loss)........................................  $  8,194  $ (2,447) $ 13,758  $ 18,819  $ 28,159  $ 11,763  $(54,561)
                                                           --------  --------  --------  --------  --------  --------  --------
                                                           --------  --------  --------  --------  --------  --------  --------
Fully Diluted Earnings (Loss) Per Share..................  $    .27  $   (.08) $    .43  $    .58  $    .85  $    .36  $  (1.69)
Fully Diluted Weighted Average Shares Outstanding........    29,720    28,654    32,296    32,718    33,106    32,834    32,333
</TABLE>

<TABLE>
<CAPTION>
                                                                              AT DECEMBER 31,
                                                              ------------------------------------------------  AT JUNE 30,
                                                                1990      1991      1992      1993      1994       1995
                                                              --------  --------  --------  --------  --------  -----------
<S>                                                           <C>       <C>       <C>       <C>       <C>       <C>
BALANCE SHEET DATA:
Working Capital (Deficiency)................................  $ 19,254  $ 18,038  $ 18,304  $ 18,037  $ (8,719)  $(12,370)
Total Assets................................................  $127,758  $108,285  $113,842  $131,157  $233,877   $441,455
Long-Term Debt..............................................  $ 37,450  $ 20,003  $     --  $     --  $    252   $    879
Stockholders' Equity........................................  $ 28,339  $ 24,692  $ 47,727  $ 57,575  $ 91,475   $241,769
<FN>
- ------------------------------
(1)  Primarily relates to research and development purchased from FDC which  had
     not reached the stage of technological feasibility.
</TABLE>

                                       16
<PAGE>
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS

GENERAL

    The  Company's revenues represent both  one-time sales revenue and recurring
revenues. Software implementation fees, hardware sales and software license fees
represent nonrecurring components of revenue. Software maintenance fees, monthly
service fees and outsourcing services fees represent recurring revenues.

    Information systems  are  marketed  under equipment  purchase  and  software
license   agreements,  as  well  as  service  agreements.  Hardware  revenue  is
recognized at the  time of delivery,  and software license  fees are  recognized
either  when the software is installed or, for packaged software, upon shipment.
Implementation  fees  are  recognized  as  the   work  is  performed  or  on   a
percentage-of-completion  basis. Software maintenance and support agreements are
marketed under  annual  and  multi-year renewable  agreements.  Maintenance  and
support  revenue is  generally billed annually  and recognized  ratably over the
period. Fees for outsourcing services are either recognized monthly as the  work
is performed or on a percentage-of-completion basis.

    The  Company capitalizes  research and  development costs  incurred from the
point of  technological feasibility  to the  point of  general availability  and
amortizes  those costs using the straight-line  method based on estimated useful
lives of three years.

    The Company grows its business through the development of new products,  the
expansion  of  its service  capabilities and  the addition  of new  customers. A
substantial portion  of its  recent  growth has  resulted from  acquisitions  of
companies  which  expanded the  HBOC product  lines  and enhanced  its installed
customer base.

    The following table outlines these acquisitions:

<TABLE>
<CAPTION>
                                                    AGGREGATE PURCHASE
        DATE               ACQUIRED COMPANY               PRICE                    PRIMARY SIGNIFICANCE
- --------------------  ---------------------------  --------------------  ----------------------------------------
<S>                   <C>                          <C>                   <C>
June 1993             Biven Software, Inc.         $2 million            Managed care applications
December 1993         Data-Med Computer Services   $5.2 million(1)
                       Limited                                           Installed base of 100 hospitals in U.K.
May 1994              IBAX Healthcare Systems      $44 million           Series 4000 product line with presence
                                                                          in the IBM AS/400 market; installed
                                                                          base of 475 hospitals
September 1994        Serving Software, Inc.       $48 million(2)        Healthcare enterprise patient and
                                                                          resource scheduling software
December 1994         Care 2000, Inc.              $1.5 million          Specialty in case management
                                                                          methodologies
February 1995         Advanced Laboratory          $7 million, net of    Laboratory software for the healthcare
                       Systems, Inc.                cash acquired         and commercial marketplace
June 1995             Health Systems Group of      $200.6 million(3)
                       First Data Corporation                            Installed base of 500 hospitals
July 1995             Pegasus Medical, LTD         $8 million and up to  Electronic patient record for the
                                                    $7 million            physician's office designed to support
                                                    contingent payment    the clinical process across the
                                                                          continuum of care
Fourth Quarter 1995   CliniCom Incorporated        To be determined(4)   Bedside acute care clinical information
(Estimated)                                                               systems
<FN>
- ------------------------
(1)  Represents $5 million cash and shares of Common Stock valued at closing  at
     $200,000.
(2)  Accounted  for as  a pooling of  interests. Represents value  at closing of
     1,479,029 shares of Common Stock.
</TABLE>

                                       17
<PAGE>
<TABLE>
<S>  <C>
(3)  Represents $600,000 cash  and 4 million  shares of Common  Stock valued  at
     $200  million based  on the ten  day average  of the closing  prices of the
     Common Stock immediately prior to closing.
(4)  To be accounted for as  a pooling of interests.  To be determined based  on
     value  of  .4 of  a share  of Common  Stock to  be issued  for each  of the
     approximately 8,660,000 shares of outstanding common stock of CliniCom.
</TABLE>

RESULTS OF OPERATIONS

    The following table presents,  as a percent  of revenue, certain  categories
included  in the  Company's consolidated  statements of  income for  the periods
indicated:

<TABLE>
<CAPTION>
                                                                                 SIX MONTHS
                                                           YEAR ENDED               ENDED
                                                          DECEMBER 31,            JUNE 30,
                                                    ------------------------   ---------------
                                                     1992     1993     1994     1994     1995
                                                    ------   ------   ------   ------   ------
<S>                                                 <C>      <C>      <C>      <C>      <C>
Revenue...........................................    100%     100%     100%     100%     100%
Operating Expense:
  Cost of Operations..............................     55%      53%      53%      55%      48%
  Marketing.......................................     12%      14%      13%      13%      14%
  Research and Development........................      9%       9%       9%       9%       9%
  General and Administrative......................     14%      11%      10%      10%      11%
  Nonrecurring Charge.............................     --       --       --       --       65%
                                                    ------   ------   ------   ------   ------
Operating Income (Loss)...........................     10%      13%      15%      13%     (47%)
                                                    ------   ------   ------   ------   ------
Net Income (Loss).................................      6%       8%       9%       8%     (29%)
                                                    ------   ------   ------   ------   ------
                                                    ------   ------   ------   ------   ------
</TABLE>

    COMPARISON OF SIX MONTHS ENDED JUNE 30, 1995 AND 1994

    The Company's revenue  grew to $190.2  million for the  first six months  of
1995  from $145.9 million  for the comparable  prior year period  as a result of
increased sales of the Pathways 2000  product group and HBOC's core  transaction
systems  and  the  Company's  merger  and  acquisition  activity.  The Company's
acquisitions have increased revenue by enhancing the Company's product offerings
as well as expanding the customer base in which to sell its products.

    Support and  maintenance  revenue increased  91%  for the  six-month  period
compared  to the same period of 1994 and  was the source of approximately 29% of
the Company's revenue compared to approximately 20% a year ago. The increase  in
support and maintenance revenue is a result of having more installed customers.

    Software license fee revenue grew 29% for the 1995 six-month period, largely
due to Pathways 2000. Also contributing to the growth in license fee revenue was
the  Serving  Software  Group,  which  has  introduced  its  Pathways Healthcare
Scheduling product to  the market;  however, HBOC  continues to  derive a  large
portion  of  its  software  license  fee revenue  from  the  STAR  and TRENDSTAR
products.

    Implementation services revenue grew 29%  for the six-month period  compared
to  the same period last year. The increase  was a result of the addition of the
Series product line and continued  increases in implementation services for  all
current business units.

    Cost  of operations were  $91.3 million in  the first six  months of 1995 as
compared to $78.9 million  in the comparable prior  year period, but dropped  to
48%  of revenue for the six-month period compared  to 54% for the same period in
1994. Cost of operations expense increased  at a rate significantly slower  than
the  rate of revenue growth primarily due  to a shift in the Company's software,
services and  hardware revenue  mix, a  low salary  growth rate  resulting  from
streamlining  within the implementation organization, and  a decrease in the use
of consultants and third-party contractors.

    Marketing expense increased to $26.4 million or 14% of revenue for the first
six months of 1995 as compared to $19.6 million or 13% of revenue for the  first
six  months of 1994. Salary, travel and commission expense have increased due to
a larger sales force and higher sales volume.

                                       18
<PAGE>
    Research and development  ("R&D") expense  increased to  $16.5 million  from
$13.1  million but remained constant at 9%  of revenue for the six-month periods
of both  1995  and 1994.  Salary  expense increased,  while  consulting  expense
decreased  as HBOC brought almost all of its development expertise in-house. The
R&D capitalization rate was  25% for the 1995  six-month period compared to  26%
for  the  comparable 1994  period. HBOC  continues to  work to  enhance existing
products and bring  additional Pathways 2000  products to the  point of  general
availability.

    General  and administrative  expense increased  to $20.5  million or  11% of
revenue for the first six  months of 1995 from $14.7  million or 10% of  revenue
for  the first six months of 1994. The increases were primarily due to increased
depreciation and amortization expense resulting  from a larger fixed asset  base
and  increased  intangible asset  amortization related  to the  acquisitions and
higher expense  for  incentive programs  such  as the  Company-wide  gainsharing
program.

    The $126 million nonrecurring charge primarily related to the acquisition of
HSG,  now the Charlotte Product Group, and  resulted in an operating loss of $90
million for the six-month period ended  June 30, 1995. Before adjusting for  the
impact  of  this nonrecurring  charge, operating  income  increased 82%  for the
six-month period compared  to the  same period in  1994. Operating  income as  a
percent  of  revenue  before  the  purchased  research  and  development  charge
increased to 19% from 13% for the six-month period.

    The effective tax rate remained constant at 40% for the periods presented.

    Earnings per share  for the six  months ended June  30, 1995, excluding  the
nonrecurring charge, was $.64 ($.61 fully diluted), a 78% increase over the same
period  in  the prior  year. These  increases are  attributable to  increases in
revenue of 30% for the six-month period compared to the same period in 1994 with
a related increase of only 22% in operating expense, excluding the  nonrecurring
charge.  Revenue growth was  fueled primarily by  increased revenue from support
and maintenance, software license fees,  and implementation services related  to
both internal growth and acquisitions.

    With  the nonrecurring charge, loss per share  for the six months ended June
30, 1995  was $(1.69).  The nonrecurring  charge of  $126 million  is  primarily
related to research and development of HSG, which at the date of acquisition had
not  reached technological feasibility. Also, the reported loss per share is not
adjusted for  the effect  of  stock options  outstanding  since the  effect  was
anti-dilutive.  Fully  diluted  earnings per  share  information,  excluding the
nonrecurring charge, is presented above to aid in the analysis of results.

    COMPARISON OF YEARS ENDED DECEMBER 31, 1994 AND 1993

    Revenue for 1994 of $327.2 million increased 30% over 1993 revenue of $250.8
million due to both  internal growth and  acquisitions. Strong software  license
fee  revenue,  growth  in  recurring maintenance  and  support  contracts, heavy
implementation activity and growth from new outsourcing business all contributed
to overall  growth.  Revenue  from  software  license  fees  increased  58%  due
primarily  to  increased  sales of  the  Company's  new Pathways  2000  and STAR
products. The Series  product line  as well as  the TRENDSTAR  line of  decision
support  products also contributed strongly  to software revenue growth. Revenue
from software maintenance and support contracts increased 69% in 1994 over  1993
due  to growth  in HBOC's customer  base by more  than 1,000 customers  and as a
result of  the installation  of additional  products in  the Company's  existing
customer  base. Revenue from  implementation services grew  18% as the Company's
implementation teams, particularly in the Series and STAR groups, worked on  the
backlog  of sold business. Revenue from outsourcing services grew 30%, primarily
due to growth in the Company's outsourcing businesses in the United Kingdom.

    HBOC entered 1995 with a backlog consisting of future contracted outsourcing
service fees which totalled $75.2 million, contracted software and hardware fees
not yet  delivered  and  installed  which totalled  $28.4  million,  and  future
payments  from systems sold under monthly service fee agreements totalling $11.6
million for future years. HBOC also derives a large portion of its revenue  from
renewable  software maintenance  and support  contracts and  from implementation
services.

                                       19
<PAGE>
    Cost of operations increased to $172.9  million in 1994 from $132.8  million
in  1993, but  as a percent  of revenue remained  stable at 53%  for both years.
Personnel-related expense has grown as HBOC has added implementation and support
staff to service its growing customer base, although cost of operations salaries
as a  percent  of revenue  have  actually decreased.  Software  royalty  expense
increased  as a result of Pathways Care Manager, the Company's nursing solution;
Pathways  Health   Network  Server,   the  Company's   enterprisewide   database
repository;  and the addition  of the Series  product line. Amortization expense
increased as a  result of  higher amortization  of capitalized  software as  new
products were released and amortization of the customer lists acquired from IBAX
Healthcare Systems ("IBAX"). Hardware and software maintenance expense increased
primarily for support of customers' third-party business partner products.

    Marketing  expense increased to $42.8 million  in 1994 from $34.6 million in
1993, but as a  percent of revenue decreased  to 13% in 1994  from 14% in  1993.
Marketing  expense increased in total primarily in the area of personnel-related
expense that  included salaries,  commissions and  travel. The  addition of  the
Series sales force drove these expenses higher.

    R&D  expense as  a percent of  revenue remained  constant at 9%  in 1994 and
1993. R&D expense increased  in total in  1994 primarily as  a result of  higher
personnel-related   expenses  that  were  partially   offset  by  a  higher  R&D
capitalization rate. HBOC capitalized 25% of its R&D costs in 1994, up  slightly
from  24% in 1993. The  increase in the capitalization  rate reflects the effort
spent bringing the Company's new suite of Pathways 2000 products to market.

                        RESEARCH AND DEVELOPMENT SUMMARY

<TABLE>
<CAPTION>
                                                                           1993       1994
                                                                         ---------  ---------
                                                                             (DOLLARS IN
                                                                              THOUSANDS)
<S>                                                                      <C>        <C>
Total R&D Expenditures.................................................  $  30,890  $  38,608
  Less Capitalized R&D.................................................     (7,462)    (9,680)
                                                                         ---------  ---------
Reported R&D Expense...................................................  $  23,428  $  28,928
Capitalization Rate....................................................        24%        25%
                                                                         ---------  ---------
                                                                         ---------  ---------
</TABLE>

    General and administrative expenses increased to $34.6 million in 1994  from
$27.8  million in 1993 but  as a percent of  revenue decreased slightly in 1994.
Total general and administrative  expense increased, although  at less than  the
rate of revenue growth. Assets added through the Company's acquisitions resulted
in  higher  depreciation and  amortization expense.  Facilities-related expenses
have increased  in  total  due to  the  IBAX  acquisition, but  the  Company  is
continuing  to take  steps to  maximize productive  use of  space and equipment.
Employee benefit  expense has  increased due  to  the growth  in the  number  of
employees.

    Total  operating expense  as a percent  of revenue showed  a downward trend,
which improved operating income as a percent of revenue to 15% in 1994 from  13%
in 1993.

    The effective tax rate remained stable at 40% in both 1994 and 1993.

    Weighted  average shares outstanding increased between  1993 and 1994 due to
shares issued under employee stock option and purchase programs and the dilutive
effect of stock options outstanding.

    COMPARISON OF YEARS ENDED DECEMBER 31, 1993 AND 1992

    For 1993, revenue was $250.8 million,  an increase of 17% over 1992  revenue
of  $215.0 million  as a  result primarily  of increased  STAR system  sales and
installations, the  addition  of  outsourcing  customers,  continued  growth  in
networking  technology sales and increased  demand for decision support software
products. HealthQuest revenue  decreased slightly  as customers  waited for  new
releases of several products.

                                       20
<PAGE>
    At  December 31, 1993,  future contracted outsourcing  service fees totalled
$78.6 million and contracted software license fees and hardware to be installed,
as well as related subcontracted labor, totalled $30.9 million. Future  payments
from  systems  installed or  to be  installed  under monthly  service agreements
provided the Company with a  $23.4 million revenue base  for future years as  of
December   31,  1993.  HBOC  also  generated  recurring  revenue  from  software
maintenance and enhancement fees.

    Cost of operations expense increased to  $132.8 million in 1993 from  $118.1
million  in 1992 but decreased as  a percent of revenue to  53% from 55% in 1992
due to the move of approximately 50 employees into marketing roles and  improved
productivity  of  implementation personnel.  Hardware, personnel  and consulting
costs were  higher  in  1993  compared  to  1992  due  to  a  higher  volume  of
installations and new outsourcing contracts.

    Marketing  expense increased to $34.6 million  in 1993 from $26.1 million in
1992 and increased as a percent of revenue to 14% in 1993 from 12% in 1992 as  a
result  of  the move  of  approximately 50  employees  into marketing  roles and
increased commissions due to higher sales volume.

    R&D expense as a percent of revenue remained constant in 1993 and 1992.  R&D
expense  increased in 1993  due to an  increase in personnel  and other expenses
related to development  activities. HBOC  capitalized 24%  of its  R&D costs  in
1993,  which was  an increase  from the  1992 rate  of 23%,  due to  new product
offerings  reaching  the  technological   feasibility  threshold  required   for
capitalization.

                        RESEARCH AND DEVELOPMENT SUMMARY

<TABLE>
<CAPTION>
                                                                           1992       1993
                                                                         ---------  ---------
                                                                             (DOLLARS IN
                                                                              THOUSANDS)
<S>                                                                      <C>        <C>
Total R&D Expenditures.................................................  $  26,230  $  30,890
  Less Capitalized R&D.................................................     (6,134)    (7,462)
                                                                         ---------  ---------
Reported R&D Expense...................................................  $  20,096  $  23,428
Capitalization Rate....................................................        23%        24%
                                                                         ---------  ---------
                                                                         ---------  ---------
</TABLE>

    General  and administrative expense decreased to $27.8 million for 1993 from
$29.0 million in 1992  and also decreased  as a percent  of revenue compared  to
1992,  primarily as a  result of lower  salary expense, rent  and bonuses due to
compensation plan restructuring and expense controls.

    Total operating expense  as a percent  of revenue showed  a downward  trend,
which  improved operating income as a percent of revenue from 13% in 1993 to 10%
in 1992.

    The effective tax  rate increased to  40% in 1993  from 35% in  1992 due  to
deferred tax adjustments in 1992 and tax law changes in 1993.

    Weighted  average shares outstanding increased between  1992 and 1993 due to
shares issued under employee stock option and purchase programs and the dilutive
effect of stock options outstanding.

INFLATION

    HBOC is affected by inflation through increased salaries, benefits and other
operating  and  administrative  expenses.  To   the  extent  permitted  by   the
marketplace,  the Company  attempts to pass  on increased  costs by periodically
increasing  prices  of  products  and   services.  Both  service  and   software
maintenance  and  support agreements  contain  clauses allowing  the  Company to
increase fees annually to reflect changes in costs. Other products and  services
are  generally contracted  for short  periods and  are therefore  not exposed to
inflationary pressure.

                                       21
<PAGE>
LIQUIDITY AND CAPITAL RESOURCES

    During the six-month period ended June 30, 1995, HBOC generated $17  million
of  cash flow from operations. The Company  used a net $11 million for investing
activities,  including  the  purchase  of  ALS,  and  capital  expenditures.  In
addition,  the  Company  used  $3.6  million  to  reduce  indebtedness  and  pay
dividends. As a result, the Company  increased its cash balance by $2.4  million
to $8.2 million at June 30, 1995.

    For  the year ended December 31, 1994,  HBOC generated $39.4 million of cash
from operating activities and $1.1  million from financing activities, and  used
$60.4 million in investing activities (including $42.5 million for acquisitions,
net of cash acquired, $9.7 million for capitalized software development and $5.7
million for capital expenditures), resulting in a cash decrease of $20 million.

    The Company's current ratio remained constant at .9:1 at both June 30, 1995,
and  December 31, 1994. Current assets increased $40.3 million or 33% during the
first six months of 1995, primarily due to acquisitions. The bulk of this growth
came from increased receivables acquired in the acquisition of HSG.  Receivables
management  is a  key performance factor  for HBOC, and  management continues to
focus on this area. Current liabilities  increased $44 million or 33%  primarily
due  to  liabilities assumed  related to  the acquisition  of HSG  and increased
accounts payable.

    The Company has access to  several financing sources, including $25  million
available  under a  revolving credit agreement  and $5 million  available on two
lines of credit totalling $10 million, as of June 30, 1995.

    Management believes positive future cash flows from operations and access to
financing sources will enable HBOC to continue to make strategic investments  to
enhance quality, increase efficiency and promote growth.

QUARTERLY RESULTS

    The following table sets forth certain unaudited quarterly financial data of
the  Company for  its six  most recent  fiscal quarters.  In the  opinion of the
Company's management, this unaudited information  has been prepared on the  same
basis  as  the audited  information and  includes  all adjustments  necessary to
present fairly the information set forth therein. The operating results for  any
quarter are not necessarily indicative of results for any future period.

                               QUARTERLY RESULTS
                   (IN THOUSANDS, EXCEPT FOR PER SHARE DATA)

<TABLE>
<CAPTION>
                                                                        QUARTER ENDED,
                                        ------------------------------------------------------------------------------
                                         MARCH 31,    JUNE 30,    SEPTEMBER 30,  DECEMBER 31,    MARCH 31,   JUNE 30,
                                           1994         1994          1994           1994          1995        1995
                                        -----------  -----------  -------------  -------------  -----------  ---------
<S>                                     <C>          <C>          <C>            <C>            <C>          <C>
Revenue...............................   $  67,507    $  78,343     $  85,938      $  95,413     $  90,709   $  99,536
Operating Income (Loss)...............   $   8,861    $  10,673     $  13,324      $  15,162     $  15,365   $(105,273)(1)
Net Income (Loss).....................   $   5,428    $   6,335     $   7,726      $   8,670     $   9,002   $ (63,563)
Fully Diluted Earnings (Loss) Per
 Share................................   $     .17    $     .19     $     .23      $     .26     $     .27   $   (1.94)
Fully Diluted Weighted Average Shares
 Outstanding..........................      32,818       33,040        33,263         33,351        33,481      32,739
<FN>
- ------------------------------
(1)  Includes  nonrecurring  charge,  which primarily  relates  to  research and
     development  purchased  from  FDC  which  had  not  reached  the  stage  of
     technological feasibility.
</TABLE>

                                       22
<PAGE>
                                    BUSINESS

GENERAL

    OVERVIEW

    HBOC  is  a leading  healthcare  information systems  company  that develops
integrated patient care, clinical,  financial and strategic management  software
solutions  for healthcare  providers, payers and  integrated healthcare delivery
systems. HBOC designs open systems solutions which facilitate the integration of
clinical, financial  and  administrative data  from  a wide  range  of  customer
systems  and software. The Company's broad  product portfolio can be implemented
on a stand-alone, combined or enterprisewide basis. HBOC's newer products  offer
open  systems solutions that enable customers to add incremental capabilities to
existing information systems, without making prior capital investments obsolete.
HBOC also  provides  networking  technologies  and  outsourcing  services  under
contract  management  agreements whereby  its  staff manages  and  operates data
centers, information systems, organizations  and business offices of  healthcare
institutions of various sizes and structures.

    The  Company  markets its  products  and services  to  hospitals, integrated
healthcare delivery systems, physicians'  offices, managed care providers,  home
health  providers, pharmacies and reference  laboratories, and currently has one
or more applications installed in approximately 2,600 of the 5,900 hospitals  in
the   United  States.  The   Company  also  sells   its  products  and  services
internationally through its subsidiaries  in the United  Kingdom and Canada  and
distribution agreements in Saudi Arabia, Australia, Puerto Rico and New Zealand.

    INDUSTRY

    The   healthcare  industry  is  undergoing  significant  and  rapid  change.
Healthcare delivery  costs  have  increased  dramatically  in  recent  years  as
compared to the overall rate of inflation. The growing influence of managed care
has  resulted in increasing pressure on participants in the healthcare system to
contain costs.  Accordingly, the  healthcare system  has migrated  towards  more
managed care reimbursement, including discounted fee for service and capitation.
Under  capitation, providers  are paid  a pre-determined  fee per  individual to
provide all healthcare services, thereby assuming the potential financial  risks
of  escalating healthcare costs.  In order to  deliver care in  a cost effective
manner, providers are forming integrated healthcare delivery systems ("IHDS") to
provide care across the continuum.

    IHDS are vertical  networks of care  providers that may  include acute  care
hospitals, physicians, out-patient care facilities and home healthcare. The goal
of  IHDS is to deliver comprehensive healthcare  in a cost effective manner and,
accordingly, their success is dependent  on effectively managing and  delivering
information  to the caregivers. As IHDS are evolving, the demand for information
services is increasing as  both financial and  clinical information is  required
across the multiple points-of-care.

    Traditionally,  the hospital information systems market has been the largest
segment of healthcare  information services. According  to Sheldon Dorenfest,  a
healthcare   consulting  company,   in  1994   the  healthcare   industry  spent
approximately $8.5  billion  for  products and  services  to  support  automated
information  systems, and  the growth rate  is expected to  continue to increase
over the next several years as healthcare information expenditures are  expected
to  rise  to  $13  billion  by  1997.  In  addition  to  this  expanding  market
opportunity, the demand  for healthcare information  systems is also  increasing
because hospitals and other providers are under pressure to quantify and control
their  costs. As a result, they are  spending more of their operating budgets on
systems which enable  them to  access such  information. According  to the  1995
Annual  HIMSS/HP  Leadership Survey,  an  industry survey  conducted  by Hewlett
Packard at the Healthcare Information and Management Systems Society conference,
75% of the  respondents stated  that their information  system investments  will
increase at a rate of 20% or more over the next two years.

    Healthcare  information systems are evolving to meet the needs of a changing
marketplace.  Initially,   healthcare  information   systems  were   financially
oriented, focusing on the ability to capture

                                       23
<PAGE>
charges  and generate  patient bills.  As cost  containment efforts  have forced
providers and payors to focus on  their costs, manage risk and provide  outcomes
and  quality analysis,  system needs have  evolved from  the traditional billing
information to a wider range  of needs including enterprisewide systems  capable
of  capturing  and  analyzing  data  at  all  points-of-care  as  well  as  data
repositories to store the data. Historically, cost containment efforts have been
hampered by  a  lack  of  integrated  clinical  and  financial  information.  As
reimbursement is shifting more toward risk sharing and capitation, providers and
payers  need to better manage risk  by controlling costs, demonstrating quality,
measuring outcomes and influencing utilization. Each of these goals requires the
collection, analysis and  interpretation of clinical  and financial  information
related to the delivery of healthcare.

    The  availability of  a complete, timely  and cost-effective patient-focused
information system is essential to controlling healthcare costs while  providing
high  quality  patient care.  In many  cases,  information necessary  to provide
effective patient  care  is  located  at several  different  sites  and  is  not
immediately   available  to  the   care  giver.  To   implement  a  computerized
patient-focused information  system  that  accesses  patient  information  in  a
cost-effective  manner,  current  and  historical  paper  records  must  be made
available by  computer to  all points-of-care.  In order  to effectively  manage
information  in the current  healthcare environment, providers,  payers and IHDS
need information  systems that  can  interface fully  with existing  and  future
systems,  capture  data  at  the  point-of-care,  communicate  data  across  the
continuum of care and process and store large volumes of data necessary for  the
development of the computer-based patient record.

STRATEGY

    HBOC's  strategy  is  to  provide a  comprehensive  range  of computer-based
information systems  and  services  designed  to  meet  the  evolving  needs  of
healthcare enterprises. The key elements of this strategy are to:

    LEVERAGE  EXISTING  CUSTOMER  BASE.    HBOC  is  a  leader  in  the hospital
information systems  marketplace  with one  or  more applications  installed  in
approximately  2,600 of the 5,900 hospitals in  the U.S. The Company expands its
core customer  base  through  its  sales and  marketing  efforts  and  strategic
acquisitions  such as IBAX and HSG, which  added 475 and 500 hospital customers,
respectively. This expanded customer base offers HBOC significant  opportunities
to  sell both additional  applications of its established  core product line and
its new  Pathways patient-centered  enterprisewide solutions.  In addition,  the
Company  believes  its customer  relationships  and familiarity  with customers'
existing systems  should  give  the  Company  an  advantage  over  many  of  its
competitors  in  marketing  applications to  meet  the evolving  needs  of these
customers. The Company  also seeks  to further leverage  its relationships  with
existing  customers  to  access additional  healthcare  organizations throughout
newly-formed IHDS.

    PROVIDE ENTERPRISEWIDE SOLUTIONS TO THE EVOLVING HEALTHCARE INDUSTRY.   HBOC
offers  one of the broadest product  lines in the healthcare information systems
industry serving patient care,  clinical, financial and strategic  applications.
Through  its Pathways 2000 family  of patient-focused enterprisewide information
systems, the Company facilitates the more efficient integration of IHDS.  HBOC's
Pathways  2000  client  server applications  are  designed to  provide  a common
information infrastructure,  enabling IHDS  to collect,  manage and  disseminate
clinically  oriented information  organized on the  basis of  a patient's entire
history of care.  The Pathways product  line provides the  capability to  create
longitudinal  computerized  patient records  as well  as connectivity  along the
entire continuum of care, enabling users  to access patient data from any  point
within an integrated delivery system.

    PROVIDE  SUPERIOR INTEGRATION OF PRODUCTS AND  DATA.  The Company's products
offer customers open  systems solutions with  flexibility in adding  incremental
capabilities,  which protects  the customers' capital  investments. In addition,
HBOC's client-server  architecture  facilitates  integration  of  clinical  with
financial  and administrative data from both  HBOC and non-HBOC applications for

                                       24
<PAGE>
efficient resource allocation  thereby allowing  its customers  to benefit  from
price/performance  advances. The Company believes that these features will be of
key significance to healthcare organizations as they face industry consolidation
and evolve as part of integrated delivery systems.

    EXPAND INTO NEW MARKETS.  The  Company strives to establish premier  product
brand-name   recognition  in   new  markets   that  provide   business  critical
applications in  every essential  care setting  and the  payer marketplace.  The
Company  believes  that  as the  healthcare  industry  decentralizes, management
information requirements at the point-of-care will increase. HBOC is  developing
or  has  acquired  client  server  applications  to  meet  these  needs  in  the
physician's office, home health market, reference lab and the payer market,  all
of which are scheduled to be available in 1995 or early 1996.

    CONTINUE PRODUCT DEVELOPMENT.  HBOC believes that a key to implementing each
of  its growth  strategies is  an ongoing focus  on research  and development to
ensure its product  offerings will continue  to meet the  evolving needs of  its
existing  and potential customer  base. The Company's  research efforts focus on
enhancements of existing product offerings  as well as new product  development.
In developing its products, HBOC's strategy is to ensure its information systems
are  highly flexible,  quickly adaptable  and can  serve the  information access
needs of the increasingly  broad range of users.  HBOC's product developers  use
state-of-the-art  application  development  tools  such  as  program generators,
artificial intelligence and expert systems  which decrease development time  and
lower  the cost of new products. While  the Company's efforts focus primarily on
internal research and  development of  new products,  the Company  has made  and
continues  to  explore strategic  acquisitions  of developers  of  niche product
software to complement and diversify its product portfolio.

PRODUCT SUMMARY

    The Company's offering of products and services is based on a strategic  mix
of   applications  and  technologies  that  support  the  restructuring  of  the
healthcare delivery system,  backed by implementation,  support and  outsourcing
services.  This  portfolio  of  products  is  organized  into  four  areas: core
applications,  infrastructure  applications,  enterprisewide  clinical  practice
management applications and enterprise management applications.

    CORE APPLICATIONS automate the operation of individual departments and their
respective functions within the healthcare enterprise.

    INFRASTRUCTURE  APPLICATIONS  are  not  limited to  a  single  department or
function;  rather,  they  form  the  foundation  of  the  emerging   information
structures of healthcare enterprises. Specific components include:

    - Interface  managers that coordinate the flow of information throughout the
      greater  system  and  allow  disparate  incompatible  source  systems   to
      communicate with one another as well as enterprise applications;

    - Indexing applications that organize the vast information collected about a
      person  throughout the enterprise into  a patient-centered index; allowing
      the patient to be tracked throughout the IHDS; and

    - Data repository applications that collect all of the information generated
      by source systems and organized by interface managers and patient  indexes
      into  central  relational  databases,  thus  forming  the  basis  for  the
      electronic medical record.

    ENTERPRISEWIDE CLINICAL  PRACTICE  MANAGEMENT  APPLICATIONS  facilitate  and
improve  the  actual practice  of medicine  throughout the  enterprise. Examples
include:

    - Point-of-care workstations that give professionals immediate access to the
      critical information necessary to provide better quality care;

    - Applications that make use of patient information to create protocols  and
      care pathways; and

    - Applications that instantly register and schedule patients anywhere in the
      enterprise from any other point within an enterprise.

                                       25
<PAGE>
    ENTERPRISE MANAGEMENT APPLICATIONS facilitate and improve the management and
operation  of  healthcare  enterprises. These  applications  focus  on providing
caregivers with  the clinical,  financial, and  other information  necessary  to
improve the operation of the enterprise. Examples include utilization review and
accounts  receivable management, as well as  managed care contracting and member
management applications.

    The following table outlines the principal products in each area:

                                PRODUCT SUMMARY

<TABLE>
<CAPTION>
                                         GENERAL      PRICE RANGE      INSTALLED
       PRODUCT             FAMILY      RELEASE DATE  (IN THOUSANDS)      BASE                   DESCRIPTION
- ----------------------  -------------  ------------  --------------  -------------  ------------------------------------
<S>                     <C>            <C>           <C>             <C>            <C>
CORE APPLICATIONS
STAR                    STAR            Available     $150-250(1)           300     Hospital and clinical information
                                                                                     system -- UNIX/RISC-based (includes
                                                                                     patient care, laboratory,
                                                                                     radiology, pharmacy and financial)
HealthQuest             HealthQuest     Available       $200-300            230     Hospital and clinical information
                                                                                     system -- IBM mainframe-based
Series                  Series          Available       $150-250            500     Hospital and clinical information
                                                                                     system (includes patient care,
                                                                                     radiology, pharmacy and financial)
TRENDSTAR               TRENDSTAR       Available        $50(2)             650(3)  Decision support system targeted at
                                                                                     acute care hospitals
Saint, The Precision    CPG             Available      $150-1,000           400     Hospital and clinical information
 Alternative, Host                                                                   system -- UNIX/RISC-based and Host
 Based                                                                               Based

INFRASTRUCTURE
 APPLICATIONS
Health Network Server   Pathways        Available       $350-500             17     Relational database; data repository
                                                                                     for patient transactions
Interface Manager       Pathways        Available       $60-150              58     Interface engine; manages network
                                                                                     traffic; performs protocol
                                                                                     conversion and translation
Health Network          Pathways        Available       $300-500             11     Enterprisewide management system;
 Management                                                                          patient-centered data collection,
                                                                                     organization, and dissemination

ENTERPRISEWIDE
 CLINICAL PRACTICE
 MANAGEMENT
 APPLICATIONS
Care Manager            Pathways        Available      $150-1,000            34     Acute care point-of-care clinical
                                                                                     information system
Clinical Workstation    Pathways        Available      $500-2,000            11     Assimilates and presents on-line,
 -- Phases I and II                                                                  real-time clinical information to
                                                                                     physicians and other care givers
Clinical Workstation    Pathways       Q4 95/Q1 96     $500-2,000             0     Will incorporate advanced nursing
 -- Phases III and IV                                                                functions, clinical imaging, and
                                                                                     multimedia capabilities
Enterprise Scheduling   Pathways        Available       $200-500             14     On-line enterprisewide scheduling
                                                                                     system
Enterprise              Pathways          Q4 95         $200-500              0     On-line enterprisewide registration
 Registration                                                                        system
Physician Chart         Pegasus           Q1 96         $150-300              2     Physician's office computer-based
 Systems                                                                             patient record
Home Health             Home Health       Q2 96         $150-500              0     Clinical point-of-care applications
                                                                                     for the home health market
</TABLE>

                                       26
<PAGE>
<TABLE>
<CAPTION>
                                         GENERAL      PRICE RANGE      INSTALLED
       PRODUCT             FAMILY      RELEASE DATE  (IN THOUSANDS)      BASE                   DESCRIPTION
- ----------------------  -------------  ------------  --------------  -------------  ------------------------------------
<S>                     <C>            <C>           <C>             <C>            <C>
ENTERPRISE MANAGEMENT
 APPLICATIONS
Enterprise Strategic-   TRENDSTAR       Available       $200-750            650(3)  Collects and presents data from
 Management                                                                          transaction and decision support
                                                                                     systems in a high-level, summary
                                                                                     form
Contract Management     Pathways        Available      $200-1,000            47     Monitors and manages multiple varied
                                                                                     contracts for providers with
                                                                                     managed care focus
Managed Care            Pathways          Q4 95        $200-1,000             1     Helps entities manage contractual
                                                                                     arrangements with providers,
                                                                                     payers, and patients
TRENDSTAR Enterprise    TRENDSTAR      Q1 96/Q3 96      $100-750              0     Enterprisewide decision support
 Information System                                                                  system; new version will be client/
                                                                                     server based and will run on Sybase
Receivables             Pathways           TBD          $100-250              0     Facilitates A/R, billing, and other
 Workstation                                                                         money management functions
<FN>
- ------------------------------
(1)  $150-250 per module. On average,  customers purchase 4-5 modules.  Excludes
     hardware   (which  is   typically  50%   of  the   software  license  fee),
     implementation  fees   (which  are   typically  $300-400),   and   software
     maintenance fees (which approximate 15% of software license fees).
(2)  $50 per module. On average, customers purchase 3 modules.
(3)  650   represents  total  TRENDSTAR  installed  base  (including  Enterprise
     Strategic Management and TRENDSTAR).
</TABLE>

SERVICES

    Installation and implementation services are provided for purchasers of  all
HBOC  software products to assist with  the smooth introduction of or transition
to those  products.  HBOC also  provides  software maintenance  and  enhancement
services, as well as custom programming and system modifications to meet special
client  requirements. Equipment maintenance services are provided through HBOC's
various hardware partners.

    CONNECT TECHNOLOGY

    To support the  connectivity needs  of hospitals and  their affiliates,  the
Connect  Technology  Group  ("CTG")  provides  total  network  installation  and
support. In addition, CTG  offers comprehensive value-added network  information
services  that  extend  local  and metropolitan  area  networks  outside  of the
hospital to include  payers, vendors, financial  institutions and the  Internet.
All  together,  HBOC's networking  solutions provide  customers with  a complete
network solution for electronic access throughout a provider enterprise.

    OUTSOURCING SERVICES GROUP

    HBOC has been in the outsourcing business in the United States for more than
20 years and now offers outsourcing services in the United Kingdom as well. With
the change and  uncertainty engendered  by healthcare reform  and the  resulting
economic  pressures,  information systems  outsourcing is  becoming increasingly
popular in the United States.  Outsourcing services go beyond managing  hospital
data  processing operations  (traditionally known  as facilities  management) to
encompass  strategic  management  services  in  information  systems   planning,
receivables   management,  business  office   administration  and  major  system
conversions.

RESEARCH AND DEVELOPMENT AND TECHNOLOGY

    The  Company's  product   development  effort   applies  advanced   computer
technology and installation methodologies to the specific information processing
needs  of  its  customers.  The Company  believes  a  substantial  and sustained
commitment to  such  research and  development  is important  to  the  long-term
success of the business.

                                       27
<PAGE>
    Many  of  the  Company's products  are  portable  to a  variety  of hardware
platforms to protect a healthcare organization's hardware investments and enable
it to benefit from price/performance advances.  For example, HBOC offers a  full
range of its products on RISC (Reduced Instruction Set Computing) hardware using
the   UNIX  operating  system,  which   has  very  attractive  price/performance
characteristics.  Additionally,  workstation   technology,  via  PCs,   provides
enhanced  productivity  and appeal  for system  users by  giving them  access to
graphics,  image  processing,  voice   processing,  multiple  technologies   and
sophisticated user interfaces.

    The  Company  also  offers specialized  processors,  utilizing client/server
technology, which provide organizations with improved processing and storage for
large volumes of data and specific applications, including imaging and  document
processing.  The Company utilizes local, metropolitan  and wide area networks to
provide faster and more  effective pathways to distribute  the wider variety  of
data,  images and  recorded voice needed  by image  processing and client/server
applications.

    Investment in software development, including both research and  development
expense  as  well as  capitalized  software, has  increased  as the  Company has
addressed new software applications and enhanced existing products for installed
systems. In each  of the last  three fiscal  years, the Company  expensed 9%  of
revenue  for research  and development, which  was approximately  $29 million in
1994. The Company capitalized 25%, 24%  and 23% of its research and  development
expenditures  in 1994,  1993 and  1992, respectively.  Such amounts  exclude the
costs associated with the  Company's acquisitions. See "Management's  Discussion
and Analysis of Financial Condition and Results of Operations."

    The technical concepts and codes embodied in the Company's computer programs
and  program  documentation  are  not protected  by  patents  or  copyrights but
constitute trade secrets that  are proprietary to the  Company. The Company  and
its  subsidiaries are  the owners of  various registered  trademarks and service
marks, but such registration provides limited protection.

SALES AND MARKETING

    The Company's  primary market  for  its products  and services  consists  of
approximately  3,000 acute care hospitals  (and affiliated organizations) in the
above-100 bed range of the total of approximately 5,900 hospitals in the  United
States. Through hospital affiliates, HBOC is increasingly marketing new products
to the total healthcare enterprise including ambulatory care, physician offices,
pharmacies,  reference  laboratories  and managed  care  providers.  Through its
subsidiary HBO &  Company Canada Ltd.,  HBOC provides products  and services  in
Canada,  where there  are approximately 500  hospitals having 100  or more beds.
Through its subsidiary  HBO &  Company (UK)  Limited, the  Company services  the
United  Kingdom, where there are approximately  300 hospitals having 100 or more
beds. HBOC products are also sold in other parts of the world through agreements
with third parties.  One or  more of  the Company's  applications are  currently
installed in approximately 2,600 hospitals.

    HBOC's  products  and  services  are  offered  through  a  companywide sales
organization and  business  units  that have  responsibility  for  research  and
development  and customer services. HBOC's direct  sales force includes over 150
salespersons. Approximately two-thirds of  the sales force  is dedicated to  the
Pathways,  STAR and  HealthQuest product  lines. The  balance includes dedicated
sales forces for each of the remaining products lines.

                                       28
<PAGE>
                                   MANAGEMENT

    The following  table  sets forth  certain  information about  the  executive
officers and directors of the Company:

<TABLE>
<CAPTION>
           NAME                 AGE                           POSITION WITH THE COMPANY
- ---------------------------     ---     ---------------------------------------------------------------------
<S>                          <C>        <C>
Charles W. McCall               51      Director, President and Chief Executive Officer
James A. Gilbert                47      Vice President -- General Counsel and Secretary
Jay P. Gilbertson               35      Vice President -- Finance, Chief Financial Officer, Treasurer and
                                         Assistant Secretary
Russell G. Overton              48      Senior Vice President -- Business Development
Albert J. Bergonzi              45      Executive Vice President -- Sales
John P. Crecine                 55      Director
Alfred C. Eckert III            47      Director
Holcombe T. Green, Jr.          55      Chairman of the Board
Alton F. Irby III               55      Director
Gerald E. Mayo                  63      Director
James V. Napier                 58      Director
Charles E. Thoele               59      Director
Donald C. Wegmiller             56      Director
</TABLE>

    Charles  W. McCall has  served as a Director,  President and Chief Executive
Officer of the Company since  1991. Prior to joining  the Company, he served  as
President  and  Chief  Executive Officer  of  CompuServe, Inc.,  a  wholly owned
subsidiary of H&R Block,  from 1985 to  1991. Mr. McCall is  also a Director  of
SYMIX  Systems,  Inc.,  EIS  International,  Inc.,  WestPoint  Stevens  Inc. and
XcelleNet, Inc.

    James A. Gilbert  has served  as Vice  President and  General Counsel  since
joining the Company in 1988. He has served as Secretary since 1992.

    Jay  P. Gilbertson has served as  Vice President -- Finance, Chief Financial
Officer, Treasurer and Assistant Secretary  since 1993. In 1992, Mr.  Gilbertson
served  as Vice President -- Controller  and Chief Accounting Officer. From 1988
through 1991, he served  in a financial management  capacity at Medical  Systems
Support, Inc., HBOC's hardware maintenance subsidiary sold in 1991.

    Russell  G.  Overton  has  served  as  Senior  Vice  President  --  Business
Development since 1992. From 1989 through  1991, he served as Vice President  --
Business  Development for  HealthQuest Ltd.  (a wholly  owned subsidiary  of the
Company).

    Albert J. Bergonzi has  served as Executive Vice  President -- Sales of  the
Company  since June 1995.  Prior to that  time, Mr. Bergonzi  served as the Vice
President and General Manager of the Company's Amherst Product Group.

    John P. Crecine has served as Chief Executive Officer of Integrated  Digital
Systems,  Inc., a  technological services company,  since July 1994.  He was the
President of Georgia Institute of Technology from 1987 to July 1994. Dr. Crecine
is a Director of  Intermet Corporation. He  has been a  Director of the  Company
since 1990.

    Alfred  C.  Eckert  III  has  been  President  of  Greenwich  Street Capital
Partners, Inc., a  private investment firm,  since January 1994  and has been  a
Partner  of Greycliff Partners, a private  investment firm, since December 1991.
He was a Partner of Goldman, Sachs & Co., investment bankers, from December 1984
to November 1991. Mr. Eckert is a  Director of Georgia Gulf Corporation. He  has
been a Director of the Company since 1990.

                                       29
<PAGE>
    Holcombe  T. Green,  Jr. is the  Chairman of  the Board of  Directors of the
Company and has  been a Director  of the Company  since 1987. He  served in  the
capacity  of President and  Chief Executive Officer of  the Company from January
1990 to January 1991. Mr. Green has  served as the Chairman and Chief  Executive
Officer  of  WestPoint  Stevens  Inc., a  textile  manufacturing  company, since
October 1992. Mr. Green has been the Principal of Green Capital Investors, L.P.,
a private investment fund, since October 1987. He is also a Director of  Georgia
Gulf Corporation, Rhodes, Inc. and American Buildings Company.

    Alton  F. Irby  III has  been a  principal of  J O  Hambro Magan  & Company,
investment bankers, since  March 1988  and has  also served  as Deputy  Chairman
since March 1994. Mr. Irby has been a Director of the Company since 1990.

    Gerald  E. Mayo  has served as  Chairman and President  of Midland Financial
Services, Inc., the holding company for The Midland Life Insurance Company which
is the successor to The Midland Mutual Life Insurance Company, a life  insurance
and  annuities company,  since December  1994. Mr.  Mayo served  the predecessor
company in similar capacities  for over five  years. Mr. Mayo  is a Director  of
Huntington   BancShares  Inc.,  The   Columbia  Gas  System,   Inc.  and  Borror
Corporation. He has been a Director of the Company since 1991.

    James V. Napier  has served as  the Chairman  of the Board  of Directors  of
Scientific-Atlanta,   Inc.,  a  communications   equipment  manufacturer,  since
November 1992 and served as Acting Chief Executive Officer from December 1992 to
July 1993. From  June 1988 to  October 1992,  he was Chairman  and President  of
Commercial Telephone Group, a telecommunication products company. Mr. Napier has
been a private investor since August 1987. Mr. Napier is a Director of Engelhard
Corporation,  Intelligent  Systems  Corporation,  Vulcan  Materials Corporation,
Summit Communications Group, Inc. and Rhodes, Inc. He has been a Director of the
Company since 1981.

    Charles E. Thoele  has been a  Consultant to  and a Director  of Sisters  of
Mercy  Health Systems, a not for  profit healthcare system, since February 1991.
From July 1986  to January 1991,  he served  as the Chief  Operating Officer  of
Sisters  of Mercy  Health Systems.  Mr. Thoele is  also a  Director of Transcend
Services, Inc. He has been a Director of the Company since 1989.

    Donald C.  Wegmiller  has been  President  and Chief  Executive  Officer  of
Management   Compensation   Group/HealthCare,   an   executive   and   physician
compensation consulting  firm,  since  April  1993. He  was  Vice  Chairman  and
President  of HealthSpan Health Systems Corporation ("HealthSpan") from November
1992 to April 1993. From May 1987  to November 1992, he was President and  Chief
Executive  Officer of Health One Corporation, a healthcare services company that
merged with  HealthSpan.  Mr.  Wegmiller  is  a  Director  of  Medical  Graphics
Corporation, Possis Corporation and Minnesota Power & Light Company. He has been
a Director of the Company since 1988.

                                       30
<PAGE>
                            THE SELLING STOCKHOLDER

    All  of the 3,600,000 shares of Common Stock offered hereby (excluding up to
400,000 shares that may be sold by FDC, the Selling Stockholder, pursuant to the
Underwriters' over-allotment option)  are being  sold by FDC.  Such shares  were
issued  to FDC in June 1995  in connection with the sale  of HSG to the Company.
See "Prospectus  Summary  --  Recent  Acquisitions." As  of  the  date  of  this
Prospectus,  the  4,000,000  shares  of  Common  Stock  owned  by  FDC represent
approximately 11.1% of  the outstanding  Common Stock. Upon  completion of  this
Offering,   FDC  will   own  400,000   shares  of   Common  Stock  (representing
approximately 1.1% of the outstanding Common Stock (without giving effect to the
CliniCom Acquisition))  or  no  shares  of Common  Stock  if  the  Underwriters'
over-allotment option is exercised in full.

                        SHARES ELIGIBLE FOR FUTURE SALE

    Upon  completion of the  CliniCom Acquisition, HBOC  will have approximately
39.7 million shares outstanding all of which will be freely tradeable except (i)
shares which are held by certain persons who may be deemed "affiliates" of  HBOC
for  purposes of Rule  144; (ii) approximately 1.3  million of the approximately
3.5 million  shares issuable  in the  CliniCom Acquisition  (which CliniCom  has
advised  HBOC  will be  issued  to persons  who  may be  deemed  "affiliates" of
CliniCom for purposes of Rule 145); and (iii) all or any portion of the  400,000
shares  held by the Selling  Stockholder which are not  sold to the underwriters
pursuant to their over-allotment option,  which will continue to be  "restricted
securities" for purposes of Rule 144.

    The  Company, the Selling Stockholder and  certain of the Company's officers
and directors who beneficially own in  the aggregate 1,003,937 shares of  Common
Stock (approximately 2.5% of the outstanding Common Stock after giving pro forma
effect to the consummation of the CliniCom Acquisition), have agreed that, for a
period  of 60 days after the date of this Prospectus, they will not, without the
prior written consent of  Smith Barney Inc., offer  for sale, sell, contract  to
sell  or otherwise  dispose of any  Common Stock (or  any securities convertible
into or exercisable or  exchangeable for Common Stock)  or grant any options  or
warrants  to purchase Common Stock, except, in the case of the Company, pursuant
to a registration statement on  Form S-4 or S-8  or in transactions exempt  from
the  registration requirements of  the Securities Act so  long as the transferee
thereof agrees to the  foregoing restrictions on transfer  for the remainder  of
such 60 day period.

    In  general, under Rule 144  as currently in effect,  any person (or persons
whose shares are  aggregated), including an  affiliate of the  Company, who  has
beneficially  owned restricted  securities for  at least  a two-year  period (as
computed under Rule  144), and any  person who  is an affiliate  of the  Company
whose  shares  are not  restricted securities,  is entitled  to sell  within any
three-month period a number of shares that does not exceed the greater of (i) 1%
of the then  outstanding shares  of Common Stock  (approximately 400,000  shares
after  giving effect to  the CliniCom Acquisition), and  (ii) the average weekly
trading volume in the  Common Stock during the  four calendar weeks  immediately
preceding  the date on  which the notice  of sale is  filed with the Commission.
Sales under Rule  144 are  also subject to  certain provisions  relating to  the
manner  and notice of sale and the availability of current information about the
Company. A person (or persons whose shares are aggregated) who is not deemed  an
affiliate  of the Company at any time during the 90 days immediately preceding a
sale, and who has beneficially owned shares for at least a three-year period (as
computed under  Rule 144),  would be  entitled to  sell such  shares under  Rule
144(k)  without regard to the volume  limitations and other conditions described
above. Under Rule 145 as currently in effect, former affiliates of CliniCom  are
free  to publicly resell their shares in  accordance with the provisions of Rule
144, other than the two-year holding period requirement.

    The persons who  may be deemed  "affiliates" of CliniCom  have been  granted
certain  registration rights  with respect  to their  shares as  has the Selling
Stockholder with respect  to the  balance, if any,  of its  shares which  remain
unsold after completion of the Offering.

                                       31
<PAGE>
    Sales,  or the availability for sale, of  a substantial number of the shares
of Common Stock could have a significant  adverse effect on the market price  of
the Common Stock.

                                  UNDERWRITING

    Under  the terms and subject to the conditions in the Underwriting Agreement
dated the date hereof, each of the underwriters named below (the "Underwriters")
for whom Smith Barney Inc., Alex. Brown & Sons Incorporated, Donaldson, Lufkin &
Jenrette Securities Corporation  and Schroder  Wertheim &  Co. Incorporated  are
acting  as the Representatives  (the "Representatives") has  severally agreed to
purchase, and the Selling  Stockholder has agreed to  sell to each  Underwriter,
Shares  of Common Stock which equal the  number of Shares set forth opposite the
name of such underwriter below:
<TABLE>
<CAPTION>
                                           NUMBER OF
UNDERWRITER                                 SHARES
- ----------------------------------------  -----------
<S>                                       <C>
Smith Barney Inc........................     551,000
Alex. Brown & Sons Incorporated.........     551,000
Donaldson, Lufkin & Jenrette
 Securities Corporation.................     551,000
Schroder Wertheim & Co. Incorporated....     551,000
George K. Baum & Company................      28,000
Bear, Stearns & Co. Inc.................      68,000
Brean Murray, Foster Securities Inc. ...      28,000
CS First Boston Corporation.............      68,000
The Chicago Corporation.................      28,000
Dain Bosworth Incorporated..............      48,000
Dean Witter Reynolds Inc................      68,000
Dillon, Read & Co. Inc. ................      68,000
A. G. Edwards & Sons, Inc...............      68,000
Everen Securities, Inc..................      48,000
Goldman, Sachs & Co. ...................      68,000
Interstate/Johnson Lane Corporation.....      28,000

<CAPTION>
                                           NUMBER OF
UNDERWRITER                                 SHARES
- ----------------------------------------  -----------
<S>                                       <C>

Jefferies & Company, Inc. ..............      48,000
Merrill Lynch, Pierce, Fenner & Smith
 Incorporated...........................      68,000
Montgomery Securities...................      68,000
Morgan Stanley & Co. Incorporated.......      68,000
Needham & Company, Inc..................      48,000
Oppenheimer & Co., Inc..................      68,000
Pacific Growth Equities, Inc............      28,000
PaineWebber Incorporated................      68,000
Piper Jaffray Inc.......................      48,000
Prudential Securities Incorporated......      68,000
Punk, Ziegel & Knoell...................      48,000
Ragen MacKenzie Incorporated............      28,000
The Robinson-Humphrey Company, Inc......      48,000
Sterne, Agee & Leach, Inc...............      28,000
Wessels, Arnold & Henderson, L.L.C......      48,000
                                          -----------
    Total...............................   3,600,000
                                          -----------
                                          -----------
</TABLE>

    The Underwriters initially  propose to offer  part of the  Shares of  Common
Stock directly to the public at the public offering price set forth on the cover
page  of this Prospectus and part to certain dealers at a price which represents
a concession not in excess of $1.35  per Share below the public offering  price.
The  Underwriters may allow, and  such dealers may reallow,  a concession not in
excess of $.10 per Share to the other Underwriters or to certain other  dealers.
After   the  initial  public  offering,  the  public  offering  price  and  such
concessions may be changed by the Underwriters.

    The  Selling  Stockholder  has  granted  to  the  Underwriters  an   option,
exercisable  for 30 days from the date of  this Prospectus, to purchase up to an
aggregate of 400,000 additional  shares of Common Stock  at the public  offering
price set forth on the cover page of this Prospectus less underwriting discounts
and   commissions.  The  Underwriters  may  exercise  such  option  to  purchase
additional shares solely for  the purpose of  covering over-allotments, if  any,
incurred in connection with the sale of the Shares offered hereby. To the extent
such  option is  exercised, each Underwriter  will become  obligated, subject to
certain conditions,  to  purchase  approximately the  same  percentage  of  such
additional  shares as the number of Shares set forth opposite such Underwriter's
name in the preceding table bears to the total number of Shares in such table.

    The Company, the  Selling Stockholder  and the Underwriters  have agreed  to
indemnify  each other  against certain liabilities,  including liabilities under
the Securities Act.

    The rules of the Commission generally prohibit the Underwriters from  making
a  market in the Common Stock during the two business days prior to commencement
of sales  in this  Offering  (the "Cooling  Off  Period"). The  Commission  has,
however,  adopted Rule 10b-6A ("Rule 10b-6A"),  which provides an exemption from
such prohibition for  certain passive market  making transactions. Such  passive
market  making transactions must comply with  applicable price and volume limits
and must  be  identified as  passive  market making  transactions.  In  general,
pursuant  to Rule  10b-6A, a  passive market  maker must  display its  bid for a
security at  a price  not  in excess  of the  highest  independent bid  for  the
security.  If all independent bids are  lowered below the passive market maker's
bid, however,

                                       32
<PAGE>
such bid  must  then be  lowered  when  certain purchase  limits  are  exceeded.
Further,  net purchases  by a  passive market  maker on  each day  are generally
limited to a specified  percentage of the passive  market maker's average  daily
trading  volume  in a  security  during a  specified  prior period  and  must be
discontinued when such limit is reached.  Pursuant to the exemption provided  by
Rule 10b-6A, certain of the Underwriters and selling group members may engage in
passive market making in the Common Stock during the Cooling Off Period. Passive
market  making may  stabilize the market  price of  the Common Stock  at a level
above that which might otherwise prevail, and if commenced, may be  discontinued
at any time.

    The  Company, the Selling Stockholder and  certain of the Company's officers
and directors who beneficially own in  the aggregate 1,003,937 shares of  Common
Stock (approximately 2.5% of the outstanding Common Stock after giving pro forma
effect to the consummation of the CliniCom Acquisition), have agreed that, for a
period  of 60 days after the date of this Prospectus, they will not, without the
prior written consent of  Smith Barney Inc., offer  for sale, sell, contract  to
sell  or otherwise  dispose of any  Common Stock (or  any securities convertible
into or exercisable or  exchangeable for Common Stock)  or grant any options  or
warrants  to purchase Common Stock, except, in the case of the Company, pursuant
to a registration statement on  Form S-4 or S-8  or in transactions exempt  from
the  registration requirements of  the Securities Act so  long as the transferee
thereof agrees to the  foregoing restrictions on transfer  for the remainder  of
such 60 day period.

                                 LEGAL MATTERS

    The  validity  of the  Shares offered  hereby  will be  passed upon  for the
Company by Jones, Day, Reavis &  Pogue, Atlanta, Georgia. Certain legal  matters
will  be passed  upon for  the Underwriters by  Skadden, Arps,  Slate, Meagher &
Flom, New York, New York.

                                    EXPERTS

    The audited financial statements of  HBOC incorporated by reference in  this
Registration Statement of which this Prospectus is a part, to the extent and for
the periods indicated in their report, have been audited by Arthur Andersen LLP,
independent  public accountants,  and are included  herein in  reliance upon the
authority of said firm as experts in giving said reports.

    With respect to the unaudited interim financial information of HBOC for  the
quarter  ended March 31, 1994 and 1995 and the quarter and six months ended June
30, 1994  and 1995,  which are  also incorporated  by reference  herein,  Arthur
Andersen  LLP  has applied  limited procedures  in accordance  with professional
standards for  a review  of that  information. However,  their separate  reports
thereon state that they did not audit and they do not express an opinion on that
interim  financial  information. Accordingly,  the degree  of reliance  on their
reports on that information should be restricted in light of the limited  nature
of  the review procedures applied. In  addition, the accountants are not subject
to the liability provisions of Section 11 of the Securities Act for their report
on the unaudited  interim financial  information because  that report  is not  a
"report"  or a "part" of the Registration Statement prepared or certified by the
accountants within the meaning of Sections 7 and 11 of the Securities Act.

    The financial statements of the Health Systems Group of FDC at December  31,
1993  and 1994, and for each of the three years in the period ended December 31,
1994 incorporated  herein  and  in  the Registration  Statement  of  which  this
Prospectus  is  a part  have  been audited  by  Ernst &  Young  LLP, independent
auditors, as set forth in their reports thereon, and are incorporated herein  in
reliance  upon such reports given upon the  authority of such firm as experts in
accounting and auditing.

    The audited financial  statements of CliniCom  incorporated by reference  in
this  Prospectus  and  elsewhere in  the  Registration Statement  of  which this
Prospectus is a  part, to  the extent  and for  the periods  indicated in  their
report,   have  been  audited   by  Arthur  Andersen   LLP,  independent  public
accountants, and are  included in reliance  upon the authority  of said firm  as
experts in giving said report.

                                       33
<PAGE>
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    NO  PERSON  HAS BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION OR  TO  MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN  THIS PROSPECTUS AND, IF GIVEN  OR
MADE,  SUCH INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED. THIS  PROSPECTUS  DOES  NOT  CONSTITUTE AN  OFFER  TO  SELL  OR  THE
SOLICITATION OF ANY OFFER TO BUY ANY SECURITY 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 CHANGE IN  THE
AFFAIRS  OF THE COMPANY 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>
Available Information..........................           2
Documents Incorporated by Reference............           2
Prospectus Summary.............................           4
Risk Factors...................................           7
Pro Forma Financial Information................           9
Selected Historical Financial Information......          16
Management's Discussion and Analysis of
 Financial Condition and Results of
 Operations....................................          17
Business.......................................          23
Management.....................................          29
The Selling Stockholder........................          31
Shares Eligible for Future Sale................          31
Underwriting...................................          32
Legal Matters..................................          33
Experts........................................          33
</TABLE>

                                3,600,000 SHARES

                                     [LOGO]
                                  COMMON STOCK

                                 --------------

                              P R O S P E C T U S

                               SEPTEMBER 27, 1995

                                 --------------

                               SMITH BARNEY INC.

                               ALEX. BROWN & SONS
                                  INCORPORATED

                          DONALDSON, LUFKIN & JENRETTE
                             SECURITIES CORPORATION

                            SCHRODER WERTHEIM & CO.

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