MID ATLANTIC MEDICAL SERVICES INC
10-K, 1999-03-31
HOSPITAL & MEDICAL SERVICE PLANS
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<PAGE>  1
                                      UNITED STATES
                           SECURITIES AND EXCHANGE COMMISSION
                                 WASHINGTON, D.C.  20549
                                        FORM 10-K

[X]              ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
                 EXCHANGE ACT OF 1934 For fiscal year ended DECEMBER 31, 1998

                                     OR

[ ]              TRANSITION  REPORT  PURSUANT  TO  SECTION 13 OR 15(d) OF THE
                 SECURITIES  EXCHANGE ACT OF 1934 For the transition period from
                 ________ to ________

                         Commission file number 1-13340

                      Mid Atlantic Medical Services, Inc.
             (Exact name of registrant as specified in its charter)

                              Delaware 52-1481661
                (State or other jurisdiction of (I.R.S. Employer
               incorporation or organization) Identification No.)

                    4 Taft Court, Rockville, Maryland 20850
              (Address of principal executive offices) (Zip Code)

                                 (301) 294-5140
   (Registrant's telephone number, including area code) Securities registered
                     pursuant to Section 12(b) of the Act:
                                            Name of Each Exchange
Title of Each Class                          on Which Registered
- -------------------                         ---------------------
Common Stock, $0.01 par value               The New York Stock
  per share.                                  Exchange, Inc.

Securities registered pursuant to Section 12(g) of the Act:  None.

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.
Yes [X].  No [ ].

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation S-K (Sec.  229.405 of this chapter) is not contained  herein,  and
will not be contained,  to the best of the registrant's knowledge, in definitive
proxy or information  statements  incorporated  by reference in Part III of this
Form 10-K or any amendment to this Form 10-K.
[  ]

Aggregate  market  value  of  voting  and  non-voting   common  equity  held  by
non-affiliates computed by reference to the price at which the common equity was
sold,  or the average bid and asked price of such common  equity  March 4, 1999:
Approximately $405 million.

                      APPLICABLE ONLY TO CORPORATE REGISTRANTS:
Indicate the number of shares outstanding of each of the registrant's classes of
common stock, as of the latest practicable date.
                 51,134,162 shares of common stock as of March 4, 1999








<PAGE>  2


                       DOCUMENTS INCORPORATED BY REFERENCE
The Proxy  Statement for the  Registrant's  annual meeting of shareholders to be
held on April 26, 1999 is  incorporated  by reference into Part III of this Form
10-K.





<PAGE> 3


                               FORM 10-K

                                 INDEX

ITEM NO.   DISCLOSURE REQUIRED                                    PAGE

                                 PART I

Item 1     Business ..............................................   4
Item 2     Properties ............................................  17
Item 3     Legal Proceedings .....................................  17
Item 4     Submission of Matters to a Vote of Security Holders ...  18

                                 PART II

Item 5     Market for Registrant's Common Equity and Related
             Stockholder Matters ................................   19
Item 6     Selected Financial Data ..............................   20
Item 7     Management's Discussion and Analysis of Financial
             Condition and Results of Operations ................   21
Item 7A    Quantitative and Qualitative Disclosures About
             Market Risk ........................................   29
Item 8     Financial Statements and Supplementary Data ..........   30
Item 9     Changes in and Disagreements with Accountants on
             Accounting and Financial Disclosure ................   55

                                 PART III

Item 10    Directors and Executive Officers of the Registrant ...   56
Item 11    Executive Compensation ...............................   56
Item 12    Security Ownership of Certain Beneficial Owners
             and Management .....................................   56
Item 13    Certain Relationships and Related Transactions .......   56

                                 PART IV
Item 14    Exhibits, Financial Statement Schedules
             and Reports on Form 8-K ............................   57






<PAGE> 4

                                 PART I

ITEM 1. BUSINESS

Mid Atlantic Medical Services, Inc. is a holding company for subsidiaries active
in managed health care and other life and health insurance  related  activities.
Mid-Atlantic  Medical  Services,  Inc. and its  subsidiaries  (the  "Company" or
"MAMSI")  have  developed  a broad  range of  managed  health  care and  related
ancillary  products  and  deliver  these  services  through  health  maintenance
organizations  ("HMOs"),  preferred provider organizations  ("PPOs"), a life and
health insurance company, a home health care company, a pharmaceutical  services
company and a hospice company. The Company also has a partnership interest in an
outpatient surgery center.


GENERAL DEVELOPMENT OF BUSINESS

Mid-Atlantic  Medical  Services,  Inc. was  incorporated  in Delaware in 1986 to
serve as a holding company for MD - Individual Practice Association, Inc. ("M.D.
IPA") and Physicians  Health Plan of Maryland,  Inc.  ("PHP-MD").  MAMSI made an
exchange offer for all of the issued and  outstanding  shares of common stock of
M.D. IPA and PHP-MD in 1987.

M.D. IPA, a Federally qualified HMO, was organized as a nonstock  corporation in
1979. M.D. IPA operated as a non-profit  organization until 1985 when it amended
its articles of incorporation and was reorganized into a stock corporation.

PHP-MD, an individual practice  association ("IPA"), was organized as a nonstock
corporation in 1979 to provide  physician and other medical services to M.D. IPA
enrollees.  PHP-MD  operated  as a non-stock  organization  until it amended its
articles of incorporation and was reorganized into a stock corporation in 1984.

MANAGED HEALTH ORGANIZATIONS

MAMSI's primary business is providing access to and managing health care through
its HMOs and its life and health insurance  company.  MAMSI currently offers HMO
coverage through four licensed HMO subsidiaries - M.D. IPA, Optimum Choice, Inc.
("OCI"), Optimum Choice of the Carolinas, Inc. ("OCCI") and Optimum Choice, Inc.
of  Pennsylvania  ("OCIPA")  (hereinafter  M.D. IPA, OCI, OCCI and OCIPA will be
collectively  referred  to as the "HMOs" or "MAMSI  HMOs")  and offers  life and
health insurance through MAMSI Life and Health Insurance Company ("MAMSI Life").

M.D. IPA became a licensed HMO in Maryland in 1981 and in Virginia in 1985. M.D.
IPA's present  service area (which  includes all geographic  areas where the HMO
has received  regulatory  approval to provide health care services) includes the
entire state of Maryland,  the District of Columbia and most counties and cities
in Virginia  including  the Northern  Virginia,  Richmond/Tidewater  and Roanoke
areas ("HMO Service Area"). In addition to serving governmental entities such as
the Office of Personnel  Management  of the United States  Government  under the
Federal  Employees Health Benefit Plan, M.D. IPA generally  provides coverage to
the larger commercial group market.

OCI, a  non-Federally  qualified HMO, became a licensed HMO in Maryland in 1988,
in Virginia  in 1990,  in  Delaware  in 1993 and in West  Virginia in 1994.  OCI
generally operates within the small and large business market segment,  which is
comprised of both small and large group  employers and also covers  Medicaid and
Medicare  recipients.  OCI's present commercial service area includes the entire
states of Maryland and  Delaware,  the District of Columbia,  most  counties and
cities in Virginia,  and 49 counties in West Virginia. For the Medicare Program,
OCI is licensed in Northern  Virginia,  Maryland,  Delaware  and the District of
Columbia. OCI withdrew from the Medicare risk program effective January 1, 1999.







<PAGE> 5

OCCI, a non-Federally  qualified HMO, became a licensed HMO in North Carolina in
1995 and South Carolina in 1996. OCCI operates in both the small and large group
commercial  market as well as Medicaid.  OCCI's  present  service area  includes
certain areas of North Carolina and South  Carolina.  OCCI has yet to market its
products in South Carolina as a provider network is still being developed.

OCIPA, a  non-Federally  qualified HMO, became a licensed HMO in Pennsylvania in
1996.  OCIPA  operates  in both the  small and large  group  commercial  market.
OCIPA's  present   service  area  includes  eleven  counties  in   south-central
Pennsylvania.

MAMSI Life, a life and health  insurance  company,  is licensed in 31 states and
the District of Columbia and actively markets in the states in which the Company
has  licensed  HMO's.  MAMSI  Life sells  group  health  insurance  as well as a
preferred point of service product to large and small employers and individuals.
MAMSI Life also sells group term life insurance as well as short-term disability
insurance and worker's compensation.

GENERAL

HMOs  typically  provide or arrange for the provision of  comprehensive  medical
care (including  physician and hospital care) to enrollees for a fixed,  prepaid
premium regardless of the amount of care provided.  Enrollees  generally receive
care from participating primary care physicians ("PCPs") who, as required, refer
enrollees to participating  specialists and hospitals.  HMOs require patients to
utilize participating  physicians and other participating health care providers.
This allows HMOs to  negotiate  favorable  rates and  control  utilization  to a
greater extent than traditional health insurers,  while monitoring and enhancing
the quality of care provided to enrollees.

The goal of an HMO is to combine  quality health care with  management  controls
designed to encourage efficient and economical use of health care services. Such
controls include monitoring physician services,  hospital admissions and lengths
of stay and maximizing the use of non-hospital  based medical services.  Because
an HMO generally  receives fixed monthly premiums from its enrollees  regardless
of the health care  services  provided,  an HMO has an incentive to maintain the
health  of its  enrollees,  while  carefully  monitoring  expenses  through  the
implementation of various cost control strategies and effective management.

The  Company's  HMO  provider  network is organized  as an  Individual  Practice
Association  ("IPA").  Under the IPA  model,  the HMO  contracts  with a broadly
dispersed  group of physicians to provide  medical  services to enrollees in the
physicians' own offices and in hospitals; the physicians are generally paid on a
capitated or a negotiated  fee maximum basis.  Physicians may contract  directly
with the HMO or through a designated  organization that, in turn, contracts with
the HMO.

MAMSI'S HMO PRODUCTS

MAMSI's HMOs offer a range of benefit plans for  providing  health care coverage
to enrollees.  Generally, enrollees arrange for coverage through their employer.
However, in certain circumstances, group enrollees can convert their coverage to
an  individual  contract  upon  separation  from  their  employer.  There  is no
assurance  that  employers  will renew  their HMO  agreements  annually or that,
within  each  employer  group,  the HMO will  not  experience  disenrollment  by
individual  enrollees.  MAMSI's  HMOs  also  offer  individual  coverage  to the
commercial,  Medicaid  and  Medicare  markets in some of its service  area.  The
Company will no longer  participate in the Medicare program effective January 1,
1999.

Under  traditional  HMO  coverage,  the  enrollee  selects  a PCP from the HMO's
provider network.  Most medical care provided to the enrollee must be authorized
and coordinated by the PCP. Generally, the enrollee pays a copayment for all PCP
and  specialist  office  visits and may also be required to pay a copayment  for
hospital admissions and emergency room services.





<PAGE> 6

Except in  emergencies,  enrollees are generally  required to utilize only those
participating  professional  and  institutional  health care providers that have
contracted with the IPA (see further  discussion  under "HMO  Arrangements  with
Physician and Institutional Providers").

MAMSI's HMOs, in  cooperation  with MAMSI Life (except North  Carolina  which is
offered  through  OCCI),  a  wholly  owned  subsidiary  of  MAMSI,   also  offer
point-of-service coverage (the "preferred plan"), which is marketed to appeal to
the following customers:

  1.  Individuals  who  will  not  consider  a  closed  delivery  system.  These
individuals  prefer the  flexibility of the  traditional  indemnity plan but are
also seeking a lower-cost alternative such as an HMO.

  2. Small to mid-sized  employers who are looking to limit the number of health
care  plan  options.  In this  case,  the HMO  would  seek to be  offered  as an
exclusive health care provider.

In the preferred plan, enrollees have the choice of seeking care from the PCP or
from any physician of their choice (point-of-service  option).  Whenever care is
provided under the  point-of-service  option and the enrollee  visits a provider
outside  of the HMO  network,  MAMSI  Life,  which  underwrites  this  indemnity
benefit,  generally covers the lesser of 80% of the requested charges or 100% of
a preestablished  fee for the service provided.  The enrollee is responsible for
the remainder of the charge.

Additionally,  MAMSI, through its subsidiaries,  offers hybrid products to large
employer groups. These products offer the ability to tailor employee health care
offerings by varying benefit designs, funding methods and insurance risk. Hybrid
products  generally  compete  in  the  so-called   "self-funded"  employer  plan
marketplace.  A typical MAMSI hybrid product  combines the use of capitated PCPs
to serve as gatekeepers, employer funding of specialist and institutional claims
on an "as paid"  basis and  MAMSI's  underwriting  of risk of loss on a specific
and/or aggregate stop loss basis.

OCI  offers  HMO  coverage  to  recipients  of  Title  XIX  Medical   Assistance
("Medicaid") in certain  states.  The Medicaid plan operates in a manner similar
to the  traditional  HMO plan. The  participating  states pay a monthly  premium
based upon the age, sex and geographic  location of the recipients for which OCI
provides  comprehensive medical coverage. At December 31, 1998, MAMSI's Medicaid
service  area  includes  certain  areas of  Virginia,  fifteen  counties in West
Virginia and twelve counties in North Carolina.

Under all coverage  options,  enrollees  receive the following  basic  benefits:
primary and specialist physician services;  hospital services such as diagnostic
tests, x-rays,  drugs,  medication,  nursing and maternity services;  outpatient
diagnostic  tests such as  laboratory  tests,  x-rays,  and allergy  testing and
injections.

Through  December 31, 1998, OCI offered health  coverage to Title XVIII Medicare
recipients.  Under a contractual  arrangement with the United States Health Care
Financing  Administration  ("HCFA"),  OCI received a monthly  premium based upon
age,  sex,  county of  residence  and  enrollment  status for which OCI provides
comprehensive medical coverage to those individuals.  Effective January 1, 1999,
OCI will no longer  participate  in the  Medicare  program.  This  decision  was
primarily motivated by insufficient  reimbursement  rates. The reimbursement OCI
was receiving was insufficient to fund the direct cost of care being provided by
OCI. It is  anticipated  that these  changes will reduce  MAMSI's  membership by
approximately 7,000 members.












<PAGE> 7

The  Company's  total health plan  (managed  care full risk and hybrid,  ASO and
indemnity health  insurance)  membership in the HMOs and MAMSI Life increased to
approximately 731,000 at December 31, 1998 from 682,000 at December 31, 1997, an
increase of 7.2 percent.

The following table sets forth information relevant to MAMSI's HMO and indemnity
health plans as of December 31, 1998:

Employer Groups Served              25,000
Population of Aggregate HMO
  Service Area                  33,500,000
Service Area Penetration                28%
Primary Care Physicians              6,700
Specialist Physicians               15,400
Other Affiliated Health
  Care Providers                     8,600
Hospitals and Outpatient
  Facilities                         2,900
Pharmacies                          11,400

A significant  portion of the Company's premium revenue is derived from Federal,
state  and  local  government  agencies  including  governmental  employees  and
Medicaid and Medicare  recipients.  For the years ended December 31, 1998,  1997
and  1996,  approximately  11% of  premium  revenue  was  derived  from  Federal
government  agencies  which is included in the Medicare and Risk  segments,  and
approximately 18%, 25% and 26%,  respectively,  was derived from state and local
government  agencies located in the Company's  service area which is included in
the Risk segment.

HMO ARRANGEMENTS WITH PHYSICIAN AND INSTITUTIONAL PROVIDERS

M.D. IPA and OCI  contract  with PHP-MD to provide  physician  services to their
enrollees   while  OCCI  (North   Carolina   and  South   Carolina)   and  OCIPA
(Pennsylvania)   generally  contract  directly  with  providers.  The  HMOs  are
ultimately  responsible  for ensuring that an adequate  number of physicians and
other health care providers are maintained in order to service enrollees.

The  Company  contracts  with many  different  kinds of health  care  providers,
including  primary care and specialist  physicians,  dentists,  social  workers,
psychologists,  physical  therapists  and  podiatrists.  PCPs are paid a monthly
capitation  payment for each enrollee who has chosen that PCP.  This  capitation
payment varies according to the age and sex of the enrollee and according to the
primary care  designation  of the provider  chosen by the enrollee.  The primary
care  designations  on which premiums are based fall into one of two types:  (1)
family  and  general  practice,   pediatrics  and  internal  medicine,  and  (2)
obstetrics and gynecology.

PCPs may  receive,  in  addition  to  capitation  payments,  fees for  specified
procedures   and  an  annual   payment  that  is  based  on  a  Quality   Review
Reconciliation. This payment generally does not exceed 3 percent of their annual
capitation  payments.  The  reconciliation  evaluates the  physician's  practice
performance  as well as quality  issues such as  grievance  rates from  members,
sanctions  by a MAMSI HMO,  and member  transfer  rate.  As part of the  Quality
Review Reconciliation,  the Company provides a quarterly report to each PCP that
compares the physician's  practice performance based on outpatient and inpatient
expenses  to those of his/her  peers and allows the PCP not only to monitor  the
number of referrals  consistent  with  quality  medical  standards,  but also to
evaluate  the  most  cost-effective   consultants  and  facilities  within  each
specialty area. The Company compensates  specialist  providers and participating
non-physician  providers using the Medicare  Resource Based Relative Value Scale
methodology of provider reimbursement.









<PAGE> 8

The  HMOs  have  contractual   arrangements  with  a  combined  total  of  2,900
facilities, consisting of 300 hospitals and 2,600 non-hospital facilities, as of
December 31, 1998.  These  facilities  are located in the  Company's HMO Service
Area. Contracts with facilities are renewable annually.

HMO ARRANGEMENTS FOR OTHER SERVICES

The HMOs have  contracted with a number of entities to arrange for the provision
of other services:

EMERGENCY CARE - Enrollees may receive urgent care services as an alternative to
hospital  emergency room treatment.  Enrollees can use local urgent care centers
and any hospital emergency room in emergency situations.

HOME HEALTH  CARE - A number of medical  care  providers  are engaged to provide
health  care  services  (such  as  nursing,  pediatric,   neonatal,  orthopedic,
psychiatric,  geriatric,  dialysis treatments,  physical therapy, speech therapy
and respiratory  therapy) at the home of the enrollee.  MAMSI's home health care
subsidiary, HomeCall, Inc. ("HomeCall"), provides these services throughout much
of the Company's service area.

PHARMACEUTICAL  ASSISTANCE  - The Company has  arrangements  with  participating
pharmacies so that an enrollee is only  responsible for the  deductibles  and/or
copayments  that are  indicated on his or her  enrollment  card.  The  Company's
pharmaceutical subsidiary,  HomeCall Pharmaceutical Services, Inc. provides home
infusion,  delivery of drugs to  physician  offices and mail order  prescription
services to its HMO and Indemnity members and other payors.

LABORATORY  TESTING - The  Company has an  arrangement  with a  laboratory  that
conducts much of the  laboratory  work required by HMO  providers.  Enrollees in
MAMSI's PPO's are similarly referred to this laboratory for testing.

DENTAL - The Company has several dental  products  available  including a dental
indemnity   product   available   from  MAMSI  Life,   subcontracted   capitated
arrangements with a dental HMO, and a discount dental services network through a
dental PPO.

QUALITY ASSESSMENT/IMPROVEMENT

MAMSI conducts a  multidisciplinary  approach to its Quality  Assessment/Quality
Improvement   ("QA/QI")   Program,   utilizing  the  resources  of  all  of  its
subsidiaries  to ensure the provision of quality health care and services to its
HMO enrollees in an appropriate and cost-efficient manner.

MAMSI recognizes the importance of a Continuous Quality  Improvement  Program to
determine and allocate appropriate  resources that will have the greatest impact
for  members.  The  QA/QI  Program  is  designed  to meet and serve the needs of
employers,  members  and  providers  as  well  as  to  monitor  the  timeliness,
appropriateness and effectiveness of services via ongoing and systematic reviews
of key  indicators  and  aspects  of care.  The QA/QI  Program  conducts  member
satisfaction  surveys,  identifies  opportunities  for improvements in providing
care,  adopts  strategies to improve  outcomes and monitors the  improvement  to
report progress.















<PAGE> 9

MAMSI's QI  Committee,  which  operates  under the  direction  and  oversight of
MAMSI's  Board of  Directors,  includes  administrative,  clinical  and provider
representation.  The Committee  evaluates  numerous  quality  related issues and
outcomes measuring overall services provided to enrollees.

In addition,  MAMSI utilizes several cost control and quality review mechanisms.
Provider  applications  are  reviewed  by a  Credentials  Committee  in order to
determine  whether  the  applicant  meets  MAMSI's  criteria,   including  Board
Certification or eligibility.

MAMSI  maintains  a physician  review  process to  determine  whether the needed
levels of medical  service are being provided in a timely and efficient  manner.
The Company  conducts  medical  reviews to monitor the quality of care provided.
The Company also monitors  hospital and out- of-plan referrals issued by primary
care providers.

In most  situations,  prior  authorization  must be obtained  for  non-emergency
hospital  admissions.  Failure to secure prior  authorization  for non-emergency
hospital  admissions  of enrollees  may cause  claims to be denied,  and in some
situations,  providers may be sanctioned.  Prior to admission for  non-emergency
hospital  services,  MAMSI  applies  certain  medical  criteria to authorize the
admission.

After  admission  of an HMO  enrollee,  MAMSI  monitors  the course of  hospital
treatment  and  coordinates  discharge  planning with the physician and hospital
utilization  department.  The  Utilization  Management  staff is working  with a
physician  during the course of treatment.  If the physician  needs to extend an
enrollee's  stay beyond the  expected  length of stay,  the  physician  provides
medical  justification  for the  necessity of such  proposed  action in order to
obtain specific approval.

The HMOs have  established  a grievance  procedure  to respond to  enrollee  and
provider  complaints.  Persons  covered by HMOs are given a right to seek a fast
and fair review of adverse  utilization review decisions,  first internally by a
medical director of the HMO and then by an independent review organization or by
a State  regulator.  Enrollees are encouraged to use this procedure.  There is a
similar grievance procedure for physician complaints.

In 1993, MAMSI invited the National Committee for Quality Assurance ("NCQA"),  a
private, non-profit organization,  to evaluate the Company's methodologies in an
effort to receive NCQA accreditation. NCQA accreditation is a voluntary process.
In the 1993  review,  the Company did not meet certain of NCQA's  criteria  and,
therefore,  did not receive  NCQA  accreditation.  In  response,  MAMSI  adopted
methodologies  and programs designed to respond to concerns and questions raised
in  NCQA's  assessment.  The  Company  requested  the  NCQA to  perform  another
accreditation  review which took place in December of 1996. In May,  1997,  NCQA
informed the Company that its flagship HMOs received one year accreditation.  In
May, 1998 NCQA completed its most recent  accreditation review and in September,
1998 NCQA informed the Company that M.D. IPA and OCI received full accreditation
through May, 2000. The Company has implemented the Health Plan and Employer Data
and  Information  Set ("HEDIS") 3.0 which  represents a core set of  performance
measures developed by NCQA to serve the employer as a purchaser. In addition, in
October,  1998 the Maryland Health Care Access and Cost Commission  released the
results of Maryland's  statewide HMO report card. MAMSI's Maryland HMOs exceeded
the state  wide  average  in several  key  areas.  In  another  survey of member
satisfaction taken by the U.S. Office of Personnel Management, federal employees
expressed satisfaction with the Company's federally qualified HMO which resulted
in M.D. IPA be designated as a "Top Rated Plan".

The Company's  home health care,  home infusion,  and home hospice  subsidiaries
underwent   voluntary   reaccreditation   review  by  the  Joint  Commission  on
Accreditation  of Healthcare  Organizations  ("JCAHO") in November,  1998.  Full
accreditation status was awarded as a result of this process.







<PAGE> 10

COMPETITION AND MARKETING STRATEGY

The  health  care  industry  is  characterized  by  intense  competition.  MAMSI
recognizes the possibility that other entities with greater  resources may enter
into  competition  with MAMSI in the future by either  entering  its HMO Service
Area or by designing  alternative health care delivery systems. HMOs compete not
only with other HMOs and managed care  organizations  such as provider sponsored
organizations,  but also with insurance companies that offer indemnity insurance
products.

MAMSI's HMOs compete with  approximately  29 HMOs or other  prepaid  alternative
health care delivery systems that have a presence in MAMSI's significant service
areas (Maryland,  Virginia,  Delaware,  District of Columbia, North Carolina and
West  Virginia).  The  following  table sets forth MAMSI's best estimate of 1998
enrollment of HMOs operating in its significant HMO Service Areas.

<TABLE>
<CAPTION>
                                                                        Approximate
                                                                           Number
HMO                                                Plan Type           of Enrollees
- -------------                                      ---------           ------------
<S>                                                <C>                 <C>
AETNA/U.S. Healthcare***.......................          IPA              822,000
Kaiser Permanente Health Plan .................        Group              675,000
Mid Atlantic Medical Services, Inc.* ..........          IPA              562,000
FreeState Health Plan** .......................          IPA              407,000
United Healthcare .............................          IPA              325,000
Trigon ........................................          IPA              273,000
Health Source North Carolina...................          IPA              244,000
Optima ........................................          IPA              222,000
Cigna Healthcare...............................          IPA              216,000
Blue Cross/Blue Shield of North Carolina.......          IPA              206,000
Partners Healthplan of North Carolina..........          IPA              185,000
Qualchoice of Virginia.........................          IPA              107,000

</TABLE>

* - Includes individuals covered by the Company's HMOs only.

** - This company is owned by Blue Cross/Blue Shield of Maryland.

*** - Includes NYLCARE and Prudential membership.

MAMSI's  HMOs compete  with other HMOs and  insurance  companies on the basis of
price, network and range of services offered to enrollees.  PHP-MD competes with
the same entities and with other IPAs for physician  services.  PHP-MD  believes
that  its  capitation  payments  to PCPs  and the fee for  service  payments  to
specialists  are  competitive  with other HMOs.  MAMSI believes that the freedom
IPA-model  HMOs offer  their  enrollees  in  choosing  from a greater  number of
physicians  constitutes a competitive  advantage over group or staff model HMOs.
The ability to retain and attract enrollees will depend, in part, on how present
enrollees assess their benefit packages,  quality of service,  provider network,
rates and the HMOs' responsiveness to enrollee needs.

MAMSI subsidiaries employed  approximately 383 full-time individuals who provide
marketing  services for the Company's  products as of December 31, 1998. MAMSI's
marketing  strategy  includes  identifying  and contacting  employers in its HMO
Service  Area.  In addition,  the Company  employs  prospecting,  telemarketing,
employer group consultation,  referrals by consultants, and the use of a minimum
number of selected  brokers to acquire new accounts.  Since 1994,  the Company's
strategy  has  included  reducing  the use of  brokers  for new  business  while
increasing  its internal  sales  force.  New members  acquired by the  Company's
dedicated  sales force accounted for 45 percent of total large group new members
and 98 percent of total small group new members in 1998.






<PAGE> 11

RISK MANAGEMENT

With the  exception  of  certain  small  group  markets,  OCI uses  underwriting
criteria as a part of its risk management  efforts.  Underwriting is the process
of  analyzing  the risk of  enrolling  employer  groups in order to establish an
appropriate premium rate. OCI's use of underwriting  techniques is restricted in
certain  situations  by  state  small  group  reform  legislation  (see  further
discussion under "Government Regulation").

The  Company  maintains  professional,   directors  and  officers,   errors  and
omissions, general liability and property insurance coverage in amounts believed
to be  adequate.  The  Company  requires  participating  hospitals  to  maintain
professional  liability coverage and physicians to have malpractice insurance. A
professional  liability  insurance  policy  provides  coverage in the event that
legal  action is taken  against  any entity as a result of  medical  malpractice
committed by a physician.

In addition,  MAMSI's HMOs reduce the financial impact of catastrophic losses by
maintaining  reinsurance coverage for hospital costs. The reinsurer  indemnifies
either 90% of the approved per diem or fixed charge per procedure, or 80% of the
eligible in and out of service area  medical  expenses in excess of $200,000 per
enrollee per year up to a lifetime  maximum of  $2,000,000  in eligible  medical
costs.

GOVERNMENT REGULATION

MAMSI's HMOs are subject to state and, in some  instances,  Federal  regulation.
Among the areas regulated are: (i) premium rate setting; (ii) benefits provided;
(iii) marketing;  (iv) provider contracts; (v) quality assurance and utilization
review  programs;   (vi)  adherence  to  confidentiality   and  medical  records
requirements;  (vii) enrollment requirements;  and (viii) financial reserves and
other fiscal solvency requirements; (ix) appeals and grievances.

Under  applicable  law,  HMOs  must  generally  provide  services  to  enrollees
substantially  on a fixed,  prepaid basis without regard to the actual degree of
utilization  of  services.  The  HMOs  generally  fix the  premiums  charged  to
employers  for a 12 month period and revises the premium with each  renewal.  In
setting  premiums,  the HMOs forecast health care utilization rates based on the
relevant demographics and also considers competitive  conditions and the average
number of enrollees in the employer group.  In addition to these  premiums,  HMO
enrollees also make copayments to providers as required.

Although premiums established may vary from account to account through composite
rate  factors and  special  treatment  of certain  broad  classes of  enrollees,
Federal regulations generally prohibit Federally qualified HMOs from traditional
experience  rating of accounts on a  retrospective  basis.  Consistent  with the
practices of other Federally qualified HMOs, M.D. IPA, in some situations, bases
the  premiums  it  charges  employers  in part on the  age,  sex and  geographic
location of the enrolled  employees.  M.D.  IPA  believes  that its premiums are
competitive  with other HMOs and health  insurers  and its health  coverage is a
better  value  for  members  because  of the  range of  physician  and  hospital
selection and other benefits provided.

M.D. IPA contracts with the Office of Personnel Management ("OPM") to provide or
arrange  health  services  under the Federal  Employee  Health  Benefit  Program
("FEHBP"). The contract with OPM and applicable government regulations establish
premium rating  requirements for the FEHBP. The premiums  established  under the
OPM contract are subject to periodic  review and audit to determine if they were
established in compliance with the community rating and other requirements under
the program.











<PAGE> 12

In  September,  1998,  a  pretax  charge  of  approximately  $16.5  million  was
recognized in the Company's financial statements in anticipation of negotiations
relating to potential  governmental  claims for contracts with OPM related to an
audit  conducted by the Office of Inspector  General  concerning  the  Company's
participation  in FEHBP for the years  1992-1997  related to findings  for years
1992-1994.  In the normal course of business, OPM audits health plans with which
it contracts to, among other  things,  verify that the premiums  calculated  and
charged to OPM are  established  in  compliance  with the best  price  community
rating guidelines established by OPM. OPM typically audits plans once every five
or six years, and each audit covers the prior five or six year period. While the
government's  initial  on-site  audits  are  usually  followed  by a  post-audit
briefing as well as a preliminary audit report in which the government indicates
its preliminary results,  final resolution and settlement of the audits can take
two to three years.

In  addition  to claims  made by the OPM  auditors  as part of the normal  audit
process,  OPM may also refer their  results to the United  States  Department of
Justice  ("DOJ") for potential  legal action under the False Claims Act. The DOJ
has the authority to file a claim under the False Claims Act if it believes that
the health plan  knowingly  overcharged  the  government or otherwise  submitted
false  documentation  or  certifications.  In  False  Claims  Act  actions,  the
government  may  impose  trebled  damages  and a civil  penalty of not less than
$5,000 nor more than $10,000 for each separate alleged false claim.

The Company  intends to  negotiate  with OPM on all matters to attain a mutually
satisfactory  result.  There can be no assurance that these negotiations will be
concluded  satisfactorily,  that the audit will not be  referred  to the DOJ, or
that  additional,  possibly  material,  liability  will be not be incurred.  The
Company believes that any ultimate  liability in excess of amounts accrued would
not materially affect the Company's  consolidated  financial position.  However,
such  liability  could have a material  affect on results of  operations or cash
flows of a future period if resolved unfavorably.

MAMSI's HMOs must file periodic reports with, and are subject to periodic review
by,  state  regulatory  authorities.  Although  MAMSI's  HMOs are not  regulated
specifically as insurance companies, they must comply with certain provisions of
state  insurance  laws as well as other laws  specifically  enacted to  regulate
HMOs.

MAMSI Life, the Company's insurance subsidiary,  is domiciled in Maryland and is
licensed  in 31 states and the  District of  Columbia.  MAMSI Life is subject to
regulation by the department of insurance in each state in which it is licensed.
These  regulations  subject  MAMSI  Life  to  extensive  review  of  the  terms,
administration and marketing of insurance products offered and minimum net worth
and deposit requirements.  In addition,  MAMSI Life is required to file periodic
reports and is subject to periodic audits and continuing oversight. The offering
of certain  new  insurance  products  may require  the  approval  of  regulatory
agencies.

The Company's home health care  subsidiaries  are regulated  principally in four
areas:  home health care licensing;  certification  for participation in private
insurance and government reimbursement programs; employee licensure and training
requirements;  and Federal occupational safety guidelines.  The Company believes
that  it is  in  compliance  with  all  applicable  regulations,  which  include
possessing  the  required  Certificates  of Need in all  locations in which such
certificates are required.  Additionally,  the Company's infusion and mail order
prescription  businesses  have  obtained the  necessary  licenses and permits to
operate as a full service retail pharmacy.












<PAGE> 13

MAMSI's  customers include employee health benefit plans subject to the Employee
Retirement Income Security Act of 1974 ("ERISA"). To the extent that the Company
has  discretionary  authority in the operation of these plans, the Company could
be considered a plan fiduciary  under ERISA.  Plan  fiduciaries  are barred from
engaging in various prohibited  transactions,  including self-dealing.  They are
also required to conduct the operations of employee  benefit plans in accordance
with each plan's terms.

Due to the  continued  increase in health care costs and the  inability  of many
individuals  to obtain health care  insurance,  numerous  proposals  relating to
health care reform have been made, and  additional  proposals may be introduced,
in the United States  Congress and the  legislatures  of the states in which the
Company operates or may seek to operate.

In 1997,  the "Health  Insurance  Portability  and  Accountability  Act of 1996,
Public  Law 104-  191",  commonly  called  ("HIPAA"),  was  enacted.  This  bill
establishes  certain  Federal  requirements  for large group,  small group,  and
individual  health benefit plans,  and applies not only to insurers and HMOs but
also to ERISA plans.

HIPAA is intended to make  coverage  more  portable  and  available  by limiting
pre-existing  condition  requirements;  providing special enrollment periods for
employees who lose other  coverage or whose family status  changes;  prohibiting
group plans from  denying an  individual  coverage or charging a higher  premium
based on the individual's health status or history; and by guaranteeing coverage
availability  and  renewability in certain  circumstances in the small group and
individual  markets.  HIPAA also allows for the establishment of Medical Savings
Accounts; increases the penalties for health care fraud and abuse; and calls for
standardized health care information in order to reduce administrative costs.

The effect of HIPAA differs from state to state. In the group market, state laws
remain  in  effect  unless  they  prevent  the  application  of the new  federal
requirements,  and in the individual market, state laws govern if the Health and
Human Services Secretary determines that they provide an "acceptable alternative
mechanism" to the federal  requirement.  This means that in those  states,  like
Maryland,  where state reforms have already been enacted,  the  legislation  has
little,  if any,  effect in the small group market,  but may have some effect in
the individual market. In other states, the legislation has a greater effect.

Most of the provisions of HIPAA took effect on July 1, 1997, but some,  like the
provisions  pertaining  to Medical  Savings  Accounts,  took effect  earlier and
others, like administrative simplification, took effect later.

In recent  years,  state  legislatures  in the HMO's  service  area and the U.S.
Congress  have  considered  legislation,  (1) to amend  civil  tort law so as to
extend   "enterprise   liability"  to  HMOs,  and/or  (2)  to  amend  regulatory
requirements to establish  additional  rules governing HMO internal and external
appeals and  grievances.  Neither the Congress nor any state  legislature in the
HMO's  service area has enacted laws,  which would expand an HMO's  liability in
tort action.

States in the HMOs  service  area  have  enacted  laws  regarding  internal  and
external appeals and grievances.  Under these laws,  persons covered by HMOs are
given a right to seek a fast and  fair  review  of  adverse  utilization  review
decisions,  first  internally  by a medical  director  of the HMO and then by an
independent  review  organization  or  by a  State  regulator.  Maryland,  North
Carolina and Pennsylvania  have enacted laws, which became effective  January 1,
1999 or earlier in 1998, and which require HMOs to have an appeals and grievance
process  meeting  certain  requirements  and  to  submit  adverse  decisions  to
independent outside review in certain circumstances. The District of Columbia is
expected to enact similar  legislation,  which would become effective on January
1, 2000.









<PAGE> 14

The District of  Columbia,  which has not  previously  regulated  HMOs,  enacted
legislation  effective July 1, 1997,  providing for regulatory oversight similar
to that currently provided by other states.

The Company believes that the current political environment in which it operates
will result in continued legislative scrutiny of health care reform and may lead
to  additional  legislative  initiatives.  The  Company is unable to predict the
ultimate  impact on the  Company of any  Federal or state  restructuring  of the
health care delivery or health care  financing  systems,  but such changes could
have a material adverse impact on the operations and financial  condition of the
Company.

PREFERRED PROVIDER ORGANIZATIONS

MAMSI  offers  PPO  coverage  through  two   subsidiaries:   Alliance  PPO,  LLC
("Alliance") and Mid Atlantic Psychiatric Services, Inc. ("MAPSI").

PPOs  allow  enrollees  to  receive  care  from   participating   physicians  at
contractually  negotiated  rates.  A PPO is different  from an HMO in that a PPO
does  not  assume  any  financial  risk  from  medical  utilization  nor does it
typically  process claims  payments to providers.  All medical  charges are paid
directly  by the  payor,  which can be a  self-funded  employer,  a third  party
administrator, a health benefits trust fund or another health insurance company.
In return for access to the PPO's  network,  the PPO charges the payor  either a
per employee rate or a percentage of the savings of actual claims  processed for
the services  accessed.  MAMSI's PPOs provide access to  substantially  the same
provider network as MAMSI's HMOs.

A PPO operates by being incorporated into an employer's current benefit program,
and offers  some or all of the  following:  access to  physician,  hospital  and
facility  services;  utilization  management and claims screening and repricing.
The employer determines the level of the benefits and any applicable copayments.

Alliance is marketed  primarily to and through  insurance  companies,  insurance
brokers,   consultants,   third  party  administrators  ("TPAs"),   self-insured
employers and union health and benefit trusts. The advantages of a TPA marketing
approach are minimized  marketing costs and maximized  market  coverage  through
established  TPA-employer  relationships.  Alliance  also  works  directly  with
employers and unions that are self-insured  and uses direct  marketing  efforts.
The major competition comes from other PPOs and individual  insurance  carriers.
At

December 31, 1998,  Alliance had contracts with  approximately  31,700  employer
groups that had access to an entire PHP-MD provider network.

The MAPSI PPO is  comprised  of  providers  specializing  in mental  health  and
substance  abuse  care.   MAPSI's  products  are  marketed   directly  to  TPAs,
self-insured groups, brokers,  indemnity plans, union funds and consultants.  In
addition,  MAPSI  contracts with indemnity  insurers that want to offer groups a
managed  care  mental  health  product.  MAPSI  believes  it  has a  competitive
advantage  with its unique  mental  health  screening  process  that  offers the
employer the benefit of enhanced coordinated  treatment for employees as well as
increased  cost savings.  MAPSI's  major  competitors  include Merit  Behavioral
Health,  Inc.,  Green  Spring  Mental  Health and MCC Inc. At December 31, 1998,
MAPSI  had  a   provider   network   of   approximately   4,000   psychiatrists,
psychologists,  social  workers,  and other  affiliated  licensed  mental health
providers.

Alliance and MAPSI are most often marketed jointly and the prospective purchaser
may also  purchase the MAPSI PPO if the Alliance  PPO is  purchased.  A total of
approximately  1,060,000  lives  were  covered  under  one or both of these  PPO
products as of December 31, 1998.









<PAGE> 15

PPOs are not subject to HMO  regulations by virtue of their  business.  However,
PPOs are subject to certain  state  regulations  governing  the provision of PPO
services such as mandatory state  registration.  It is possible that PPOs may be
subject to increased regulatory oversight in the future.

OTHER PRODUCTS

MAMSI Life currently  underwrites  the indemnity  coverage of the HMOs preferred
plans,  except OCCI, in addition to offering  stand-alone  indemnity  health and
dental  insurance,  aggregate and specific stop loss insurance for  self-insured
groups, and group life,  accidental death and short-term disability policies. In
addition,  in 1995 MAMSI Life began  providing an  administrative  services only
("ASO")  product to the State of  Maryland.  ASO  business  consists of allowing
access to MAMSI's provider network,  without gatekeeper PCPs, and the payment of
claims. MAMSI has no insurance risk on this product.  MAMSI Life holds insurance
licenses in 31 states and the District of Columbia including Maryland, Virginia,
West Virginia,  Delaware and North Carolina.  MAMSI Life also became licensed in
Pennsylvania in 1995.

In October,  1994,  MAMSI acquired all of the outstanding  stock of HomeCall and
its wholly owned subsidiary,  FirstCall,  Inc. ("FirstCall"),  for approximately
$10 million, including direct expenses.  HomeCall is a state licensed,  Medicare
certified home health agency. The combined  operations of HomeCall and FirstCall
include 17 branch  locations that serve virtually all of Maryland,  the District
of Columbia, Northern Virginia and the Panhandle area of West Virginia. HomeCall
achieved  full  accreditation  from the Joint  Commission  of  Accreditation  of
Healthcare  Organizations  ("JCAHO"),  following  its survey of all  services in
November, 1995. The Company achieved reaccreditation in November, 1998.

Also during 1994, the Company formed a home infusion services company,  HomeCall
Pharmaceutical  Services, Inc. ("HCPS"),  which received its pharmacy license in
1994, its Federal  license from the Drug  Enforcement  Agency in 1995, and JCAHO
accreditation in 1995 and 1998 for its infusion services.

HomeCall,  FirstCall and HCPS provide  services  that are  generally  lower cost
alternatives to  institutional  treatment and care. The Company believes that it
can  provide  better  care to its  members  and  reduce  its  medical  costs  by
substituting,  where  medically  appropriate,  in- home  medical  treatment  for
treatment in an institutional setting.

Medical  services  provided by  HomeCall,  FirstCall  and HCPS  include  skilled
nursing,  advanced  nursing  in  support of  infusion  therapy,  maternal/infant
nursing,  physical,  speech  and  occupational  therapy,  medical  social  work,
nutrition  consultation  and home health care aides.  Services  provided by HCPS
include a comprehensive range of in home drug infusion  therapies,  the delivery
of infusion ready drugs for physician office based infusion therapy,  mail order
pharmacy (as described below) and some hospice (as described below).

In April,  1996,  HCPS started a mail-order  pharmacy,  HomeCall  Mail Rx, which
received its pharmacy license and its Federal license in 1996.  HomeCall Mail Rx
fills and delivers  prescription oral medications via common carrier to patients
in their homes. Approximately 13,500 prescriptions are filled each month.

In  November,   1996,  the  Company  started  HomeCall  Hospice  Services,  Inc.
("Hospice"),  which  received  its Maryland  state  license to operate a general
hospice  care program on December 3, 1996 and its  Virginia  hospice  license on
June 26, 1998. Based in Columbia, Maryland, Hospice was organized to address the
needs of  terminally  ill  patients  and their  families.  The  hospice  program
provides  services  to  individuals  in the  comfort  of  their  homes.  Hospice
underwent  a  voluntary  accreditation  review  by JCAHO in  November,  1998 and
received full accreditation.








<PAGE> 16

Hospice currently serves the Baltimore,  Washington,  D.C. and Northern Virginia
metropolitan  areas.  It is the goal of Hospice to extend its  service  delivery
area to all geographical areas served by MAMSI. The addition of hospice services
complements  MAMSI's other home care products by having a full range of services
available to its members.

In  addition  to  providing  in-home  medical  care  to the  Company's  members,
HomeCall, FirstCall, Hospice and HCPS will continue to provide services to other
payors, including insurance companies, other HMOs and individuals.

The Company also has an equity interest in an ambulatory  surgery center located
in Rockville,  Maryland.  The surgery  center  conducts  outpatient  surgery and
services to HMO enrollees and other patients.

A summary of MAMSI's membership enrollment in all product lines is as follows:

<TABLE>
<CAPTION>
                                MEMBERSHIP DATA AT DECEMBER 31
                               ---------------------------------
PRODUCT LINE                     1996        1997        1998
- ------------                   ---------------------------------
                                         (in thousands)
<S>                            <C>         <C>          <C>
Commercial HMO (1)               430.8       389.1        424.9
Hybrid HMO (2)                   106.7       103.5         99.4
Medicaid                          82.5        34.0         30.9
Medicare                          14.4        11.2          7.0
Indemnity                         99.2       132.7        157.5
ASO (3)                           11.0        11.0         11.0
                               -------     -------      -------
                                 744.6       681.5        730.7
PPO (4)                          935.0     1,006.0      1,060.0
                               -------     -------      -------
Total Membership               1,679.6     1,687.5      1,790.7
                               =======     =======     ========
</TABLE>

(1) Commercial HMO includes traditional HMO and point-of-service members.

(2) Hybrid HMO includes any business  that uses MAMSI's  network and  gatekeeper
PCPs, utilization management services,  claims adjudication and payment services
and that has a self-funded component. Generally, these products include specific
and/or aggregate stop loss provisions.

(3) ASO includes  administrative  services only business without gatekeeper PCPs
and no assumption of insurance risk by any MAMSI affiliate.

(4) PPO  includes  all business  whereby  access is granted to MAMSI's  provider
network.  MAMSI assumes no insurance  risk and does not provide  claims  payment
services on this business.

INVESTMENTS

The  majority  of the  Company's  investments  are held by its  state  regulated
subsidiaries  to  provide  capital  for those  subsidiaries'  operations  and to
satisfy capital,  surplus and deposit requirements of the HMO and insurance laws
of the various  states in which the Company is licensed.  HMO and insurance laws
generally  protect  consumers of insurance  products  with one of the  principal
focuses being on financial  solvency of the companies that underwrite  insurance
risk. These laws and regulations limit the types of investments that can be made
by the regulated  entities with appropriate  investments  being deemed "admitted
assets."  Admitted  assets are those assets that can be used to fulfill  capital
and surplus  requirements.  The Company's  current  investment  policy generally
prohibits  investments  that would be  "non-admitted"  for  statutory  reporting
purposes. The Company has no investments in derivative financial instruments and
has no current intention of owning such investments.





<PAGE> 17

EMPLOYEES

As of December 31, 1998, the Company had a total of 2,674  employees,  including
2,293 full-time and 381 part-time employees. MAMSI's home health care subsidiary
employed 607 of these employees (400 on a full-time basis and 207 on a part-time
basis). None of the Company's  employees are covered by a collective  bargaining
agreement  and the  Company  has not  experienced  any work  stoppage  since its
inception.

SEGMENT INFORMATION

Segment   information   is  included  in  Item  8  "Financial   Statements   and
Supplementary Data" on pages 49 thru 50.

ITEM 2. PROPERTIES

The Company owns five office buildings. These buildings are located in Rockville
and Frederick,  Maryland and total  approximately  321,000 square feet of office
and  warehouse  space.  The Company's  headquarters  is located at 4 Taft Court,
Rockville, Maryland 20850.

In addition,  the Company  leases  approximately  212,000  square feet of office
space  and  approximately  5,200  square  feet of  warehouse  space  in  various
locations  within  its  service  areas  to  support  sales  and   administrative
operations.

ITEM 3. LEGAL PROCEEDINGS

The Company has been named as the  defendant in a suit filed by certain  medical
providers  on March  26,  1997 in the  Circuit  Court for Anne  Arundel  County,
Maryland,  which  alleges  that  the  Company  improperly  reduced  payments  to
participating  providers  in the  form  of  "withhold".  It is  the  plaintiffs'
allegation that certain payments should not have been reduced in this manner and
seek unspecified  damages.  This matter has been filed as a class action against
the Company.  On August 18, 1997,  the court stayed  further  proceedings in the
litigation pending  plaintiff's pursuit of arbitration as provided for under the
contract.  The  parties  are in active  arbitration  proceedings  at this  time.
Management  believes  that the  ultimate  outcome of this matter will not have a
material adverse effect on the Company's financial statements.

On December 2, 1998, a minority of the MAMSI Board of Directors  filed a lawsuit
in the Delaware  Court of Chancery  against George  Jochum,  CEO,  President and
Chairman of the Board,  and the  Company.  The suit  concerns an evenly  divided
Board of Directors' vote concerning Mr. Jochum's  continued tenure.  There was a
dispute as to whether the Board of  Directors'  vote  operates to terminate  Mr.
Jochum's  employment.  The suit sought  removal of Mr.  Jochum from his position
with the Company and expedited  prosecution  temporarily  restraining Mr. Jochum
from conducting all but the most ministerial of actions and enjoining any change
in the composition of the Board of Directors and restitution  from Mr. Jochum to
the Company for any damages. A trial date on the merit of the case was scheduled
for February 4, 1999.  On January 8, 1999 the  complaint  was  dismissed and Mr.
Jochum resigned as Chairman, CEO and President.

During the  quarter  ended March 31,  1998,  the  Company  became  involved in a
dispute  with the  Maryland  Insurance  Administration  ("MIA")  concerning  the
construction  and  application  of  Section  15-1008 of the  Maryland  Insurance
Article.  The law  limits  the time  within  which a carrier  may  retroactively
collect money owed by providers to the carrier by using the device of offsetting
future  payments  to  providers  with the  amount  owed by the  provider  to the
carrier.  The law does not affect the right of  carriers  to  otherwise  recover
monies owed. The Company construed the law to be applicable to claims paid on or
after  October  1,  1997.  The MIA  construed  the law to apply  to  retroactive
adjustments made on or after October 1, 1997 and the MIA has ordered the Company
to abide by its construction of the law. The Company has not yet decided whether
to appeal. Management believes that the ultimate outcome





<PAGE> 18

of this  matter  will  not  have a  material  adverse  effect  on the  Company's
financial  statements  as the  MIA's  current  position  affects  the  method of
collection of the claims reversals, rather than the Company's legal right to the
refunds.

On February  18, 1999,  certain  providers  filed a class action  lawsuit in the
Circuit Court for Anne Arundel County,  Maryland concerning the construction and
application of Section 15-1008 of the Maryland Insurance Article.  The complaint
requests an  accounting  of claims'  payments,  injunctive  relief and  punitive
damages.  Management  believes that the ultimate outcome of this matter will not
have a material  adverse  effect on the  Company's  financial  statements as the
MIA's current position affects the method of collection of the claims reversals,
rather than the Company's legal right to the refunds.

The Company is involved in other  various  legal  actions  arising in the normal
course of  business,  some of which seek  substantial  monetary  damages.  After
review, including consultation with legal counsel,  management believes that any
ultimate liability that could arise from these other actions will not materially
effect the Company's consolidated financial position or results of operations.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

There were no matters  submitted for  shareholder  vote in the fourth quarter of
1998.







<PAGE> 19

                                PART II

ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

The Company's  common stock is currently  listed on The New York Stock Exchange,
Inc.  ("NYSE") under the trading symbol MME. The following  table sets forth for
the indicated  periods the high and low reported sale prices of the common stock
as furnished by the NYSE.

                                     1998                     1997
                              -----------------        -----------------
                               HIGH        LOW          HIGH        LOW
                              -----------------        -----------------
First Quarter                 $13.88     $ 9.25        $15.25     $10.75
Second Quarter                 13.88      11.50         15.56      10.25
Third Quarter                  11.19       5.00         17.00      13.88
Fourth Quarter                 10.69       4.44         16.75      10.81

The Company has never paid any cash  dividends on its common stock and presently
anticipates  that no cash dividends will be declared in the foreseeable  future.
Any dividends  will depend on future  earnings,  the financial  condition of the
Company and regulatory  requirements.  See Note 13 to the Consolidated Financial
Statements.

As of March 4, 1999, there were  approximately 775 stockholders of record of the
Company's common stock.






<PAGE> 20


ITEM 6. SELECTED FINANCIAL DATA

<TABLE>
<CAPTION>
                                                                 Year Ended December 31,
                                              1998          1997           1996           1995           1994
                                           ----------    ----------     ----------     ----------     ----------
                                             (in thousands except share amounts, key ratios and operating data)

<S>                                        <C>           <C>            <C>            <C>            <C>
SELECTED INCOME STATEMENT DATA

Revenue                                    $1,187,901    $1,111,653     $1,133,742     $  954,907     $  749,898
Expense                                     1,175,665     1,090,213      1,138,677        858,567        663,343
Income (loss) before income taxes              12,236        21,440         (4,935)        96,340         86,555
Net income (loss)                               9,045        14,489         (2,768)        61,124         54,530
Earnings (loss) per common share (1):
Basic                                           $0.20         $0.31         ($0.06)         $1.33          $1.21
Diluted                                         $0.20         $0.31         ($0.06)         $1.28          $1.15
Weighted Average Shares
  Basic                                    45,407,006    46,273,484     45,978,864     46,127,112     45,030,113
  Diluted                                  45,473,995    46,885,666     45,978,864     47,908,379     47,370,211
Dividends                                       ---           ---            ---            ---            ---

SELECTED BALANCE SHEET DATA (AT DECEMBER 31)

Working capital                            $  123,138    $  128,065     $  118,870     $  153,668     $   91,983
Total assets                                  362,775       345,959        334,719        354,182        268,522
Long-term debt                                     14            74            134            194          5,331
Stockholders' equity                          191,218       208,307        184,400        217,216        141,326
Cash dividends per common share (2)             ---           ---            ---            ---            ---
KEY RATIOS
Medical loss ratio                               88.8%         89.4%          92.4%          81.9%          80.8%
Administrative expense ratio                     11.3%         11.7%          10.7%          10.5%           9.4%
Net income margin                                 0.8%          1.3%           (.2%)          6.4%           7.3%
OPERATING DATA
Annualized hospital days per
  1,000 enrollees:
All products and health services (4)              265           297            331            313            312
HMO only (3)                                      191           192            203            222            238
Medicare (4)                                    2,425         2,566          2,698          2,531            ---
Medicaid (4)                                      375           552            454            405            466
Annualized hospital admissions per
  1,000 enrollees (4)                              72            78             77             80             76
HMO, hybrid, ASO and indemnity
  health enrollees at year end                731,000       682,000        745,000        658,000        508,000
PPO enrollees at year end                   1,060,000     1,006,000        935,000        825,000        698,000
Participating providers at year end            33,600        28,400         24,300         21,077         16,950
</TABLE>

Notes

1.  Earnings  (loss)  per  common  share have been  adjusted  to  reflect  stock
dividends on a retroactive basis and to reflect adoption of Financial Accounting
Standards No. 128. All previously  reported earnings per share amounts have been
restated  to  reflect  the  adoption  of  this  statement.  See  Note  1 to  the
Consolidated Financial Statements.

2. MAMSI has not declared or paid cash dividends on its common stock.

3. Days are presented exclusive of skilled nursing,  neonatal intensive care and
psychiatric inpatient care.

4. Days include acute and non-acute,  skilled nursing,  neonatal  intensive care
and psychiatric inpatient care.






<PAGE> 21

ITEM 7. MANAGEMENT'S  DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS

FORWARD-LOOKING INFORMATION

All forward-looking  information  contained in this Management's  Discussion and
Analysis  of  Financial   Condition  and  Results  of  Operations  is  based  on
management's  current knowledge of factors  affecting MAMSI's business.  MAMSI's
actual  results  may  differ  materially  if these  assumptions  prove  invalid.
Significant risk factors, while not all-inclusive, are:

1. The  possibility  of increasing  price  competition  in the Company's  market
place.

2. The  possibility  of state budget related  mandates that reduce  premiums for
Medicaid recipients.

3.  The potential for increased medical expenses due to: - Increased utilization
    by the  Company's  membership.  - Inflation in provider  and  pharmaceutical
    costs.
    - Federal or state  mandates that  increase  benefits or limit the Company's
      oversight ability.

4. The possibility that the Company is not able to expand its service  territory
as  planned  due  to  regulatory   delays  and/or  inability  to  contract  with
appropriate providers.

5. The possibility  that the Company is not able to increase its market share at
the anticipated premium rates.

6. The possibility  that one of the Company's  vendors will experience year 2000
problems that disrupt the Company's operating or administrative systems.

GENERAL

During the three year period ended  December 31, 1998,  the Company  experienced
modest membership  expansion.  While membership in certain products continues to
grow,  others have shown  decreases  when  compared  with 1997.  The Company has
achieved  its overall  size by  continually  expanding  its product  lines which
include  point-of-service,  small  group,  indemnity  health,  hybrid  products,
Medicaid and Medicare, group term-life and through expansion into new geographic
markets.  Premium  rates during this time have  remained at or near  competitive
levels for the  Company's  marketplace.  During  1998,  after  consideration  of
non-recurring  adjustments,  the Company's  consolidated operating margin showed
increased  profits over 1997. The Company  achieved 1998's results,  in part, by
implementing  product  price  increases  and reducing  membership in products or
effectively   terminating   groups  that  had  the   potential   for   continued
unprofitability.  The  Company  anticipates  that it will  continue  to increase
premium  rates  during  1999.   This  is  a   forward-looking   statement.   See
"Forward-Looking Information" above for a description of those risk factors.

The Company generally receives a fixed premium amount per member per month while
the majority of medical  expenses are  variable  and  significantly  affected by
spontaneous member utilization. Even with managed care controls, unusual medical
conditions  can occur,  such as an outbreak of influenza or a higher than normal
incidence of high cost cases (such as premature births,  complex  surgeries,  or
rare diseases).  As a result, the Company's  quarterly results can be materially
affected and irregular.  However,  over the longer business  cycle,  the Company
believes that its managed care control  systems,  underwriting  procedures (when
allowed) and network of providers should result in continued profitability.









<PAGE> 22

Due to the  continued  escalation of health care costs and the inability of many
individuals  to obtain health care  insurance,  numerous  proposals  relating to
health care reform have been made and put into effect, and additional  proposals
may be introduced,  in the United States  Congress and the  legislatures  of the
states in which the Company operates or may seek to operate.

In 1997,  the "Health  Insurance  Portability  and  Accountability  Act of 1996,
Public  Law 104-  191",  commonly  called  ("HIPAA"),  was  enacted.  This  bill
establishes  certain  Federal  requirements  for large group,  small group,  and
individual  health benefit plans,  and applies not only to insurers and HMOs but
also to ERISA plans.

HIPAA is intended to make  coverage  more  portable  and  available  by limiting
pre-existing  condition  requirements;  providing special enrollment periods for
employees who lose other  coverage or whose family status  changes;  prohibiting
group plans from  denying an  individual  coverage or charging a higher  premium
based on the individual's health status or history; and by guaranteeing coverage
availability  and  renewability in certain  circumstances in the small group and
individual  markets.  HIPAA also allows for the establishment of Medical Savings
Accounts; increases the penalties for health care fraud and abuse; and calls for
standardized health care information in order to reduce administrative costs.

The effect of HIPAA differs from state to state. In the group market, state laws
remain  in  effect  unless  they  prevent  the  application  of the new  federal
requirements,  and in the individual market, state laws govern if the Health and
Human Services Secretary determines that they provide an "acceptable alternative
mechanism" to the federal  requirement.  This means that in those  states,  like
Maryland,  where state reforms have already been enacted,  the  legislation  has
little,  if any,  effect in the small group market,  but may have some effect in
the individual market. In other states, the legislation has a greater effect.

Most of the provisions of HIPAA took effect on July 1, 1997, but some,  like the
provisions  pertaining  to Medical  Savings  Accounts,  took effect  earlier and
others, like administrative simplification, took effect later.

In  recent  years,  state  legislatures  in the HMOs  service  area and the U.S.
Congress  have  considered  legislation,  (1) to amend  civil  tort law so as to
extend   "enterprise   liability"  to  HMOs,  and/or  (2)  to  amend  regulatory
requirements to establish  additional  rules governing HMO internal and external
appeals and  grievances.  Neither the Congress nor any state  legislature in the
HMOs service  area has enacted  laws,  which would expand an HMO's  liability in
tort action.

States in the HMOs  service  area  have  enacted  laws  regarding  internal  and
external appeals and grievances.  Under these laws,  persons covered by HMOs are
given a right to seek a fast and  fair  review  of  adverse  utilization  review
decisions,  first  internally  by a medical  director  of the HMO and then by an
independent  review  organization  or  by a  State  regulator.  Maryland,  North
Carolina and Pennsylvania  have enacted laws, which became effective  January 1,
1999 or earlier in 1998, and which require HMOs to have an appeals and grievance
process  meeting  certain  requirements  and  to  submit  adverse  decisions  to
independent outside review in certain circumstances. The District of Columbia is
expected to enact similar  legislation,  which would become effective on January
1, 2000.

The District of  Columbia,  which has not  previously  regulated  HMOs,  enacted
legislation  effective July 1, 1997,  providing for regulatory oversight similar
to that currently provided by other states.











<PAGE> 23

The Company believes that the current political environment in which it operates
will result in continued legislative scrutiny of health care reform and may lead
to  additional  legislative  initiatives.  The  Company is unable to predict the
ultimate  impact on the  Company of any  Federal or state  restructuring  of the
health care delivery or health care  financing  systems,  but such changes could
have a material adverse impact on the operations and financial  condition of the
Company.

- -----------------------------------------------------------------------------
THE YEAR ENDED DECEMBER 31, 1998 COMPARED TO THE YEAR ENDED DECEMBER 31, 1997
- -----------------------------------------------------------------------------

RESULTS OF OPERATIONS

Consolidated  net income of the Company was $9,045,000  and  $14,489,000 in 1998
and 1997, respectively.  Diluted earnings per share was $.20 in 1998 as compared
to $.31 in 1997.  This  decrease  in  earnings is  primarily  attributable  to a
$16,500,000  non-recurring  item related to the results of an audit conducted in
connection  with the  Company's  participation  in the Federal  Employee  Health
Benefit  Program.  The  audit  covered  the  periods  1992 - 1997 with the audit
findings  related to years 1992 - 1994.  There were no findings for years 1995 -
1997.

The Company has priced its health  products  competitively  in order to increase
its  membership  base and thereby  enhance its strategic  position in its market
place.  The  Company  currently  has one of the  largest  HMO and  managed  care
enrollments and also the largest  network of contract  providers of medical care
in its service area (which  includes the entire states of Maryland and Delaware,
the District of Columbia, most counties and cities in Virginia and certain areas
of West Virginia, North Carolina and Pennsylvania.)

Revenue for the year ended  December  31,  1998  increased  approximately  $76.2
million or 6.9 percent over the year ended  December 31, 1997.  Revenue for year
ended  December 31, 1998  includes  $5.7 million  related to the sale of certain
Company owned real estate no longer required in its operations.  Excluding these
sales, year-over-year revenue increased 6.4 percent. A 2 percent increase in net
average HMO and indemnity  enrollment  resulted in an increase of  approximately
$21.2 million in health premium revenue while a 4.8 percent  increase in average
monthly  premium per enrollee,  combined for all  products,  resulted in a $51.1
million  increase in health premium  revenue.  The increase in HMO and indemnity
enrollment  is  principally  due  to  increases  in  the  Company's   commercial
membership.  Management believes that commercial health premiums should continue
to increase over the next twelve months as the Company continues to increase its
commercial  membership and as new and renewing groups are charged higher premium
rates due to  legislatively  mandated  benefit  enhancements  and general  price
increases  initiated by the Company.  This is a forward-looking  statement.  See
"Forward-Looking  Information"  above for a description of the risk factors that
may effect health premiums per member.

The Company has implemented  increased  premium rates across  essentially all of
its commercial products. As the Company's contracts are generally for a one year
period,  increased  pricing  cannot be  initiated  until a contract  reaches its
renewal date.  Therefore,  price  increases  cannot be made across the Company's
membership at the same time.  Commercial  premium rate increases are expected to
continue in 1999 in the range of 6% to 8%.  Management  believes that these rate
increases may have the effect of slowing the Company's future membership growth.
In addition,  management  reevaluated premium reimbursement rates with regard to
its Medicare and Medicaid programs. Specifically, effective January 1, 1998, the
Company withdrew from  participation  in certain areas of the Virginia  Medicaid
program.  On January 1, 1998,  the Company also  modified  certain  benefits for
enrollees in its  Medicare  program and began to charge  additional  premiums in
certain areas.









<PAGE> 24

In the third quarter of 1998,  three HMOs with large Medicare  membership in the
Mid-Atlantic  area  announced  that  effective  January  1, 1999 they  would not
continue   their   Medicare  risk  contract  with  the  Health  Care   Financing
Administration  ("HCFA").  In response to the Company's  perception of increased
risk  related to these HMOs'  departure,  the Company  requested a change to its
already filed rates which were to be effective  January 1, 1999.  HCFA responded
that they would not allow the Company to change its filed rates. Based on HCFA's
response,  the Company  terminated its Medicare  contract  effective  January 1,
1999.  At December 31, 1998 the Company had  approximately  7,000  Medicare Risk
members.

The  Company's  future  membership  growth  depends on several  factors  such as
relative premium prices and product availability,  future increases or decreases
in the Company's  service area,  increased  competition in the Company's service
area and changes in state mandated  enrollment in Medicaid HMO programs in which
the Company participates. Enrollment may also decrease if the Company determines
that premium  reimbursement rates related to certain state Medicaid programs are
inadequate,   which  would  cause  the  Company  to  voluntarily  withdraw  from
participation.

Fee and other income  increased  from $18.4  million in 1997 to $20.5 million in
1998, principally due to increased membership in the Company's PPO product.

Revenue from life and short-term disability products contributed $6.9 million in
revenue in 1998 as compared with $5.3 in 1997. The increase is mainly due to the
products' continued popularity with customers looking for one carrier to provide
all of their employee benefit needs.

Service revenue from non-MAMSI  affiliated entities earned by the Company's home
health care subsidiaries  decreased and contributed  approximately $20.0 million
in revenue in 1998 as compared with $21.0 million in 1997.  This decrease is due
to an  increasing  volume of  business  conducted  for  MAMSI HMO and  indemnity
members which is eliminated in consolidation.

In the third  quarter of 1998,  the  National  Committee  for Quality  Assurance
("NCQA")   announced   that  OCI  and  M.D.  IPA  received   three  year,   full
accreditation.  Full accreditation is granted to those plans that have excellent
programs for continuous quality improvement and meet NCQA's rigorous standards.

Medical  expenses as a  percentage  of health  premium  revenue  ("medical  loss
ratio") decreased to 88.8 percent for 1998 compared to 89.4 percent for 1997. On
a per member, per month basis, medical expenses increased 4.0 percent.  Included
in  the  year  ended  December  31,  1997  are  the  results  of  the  Company's
identification  of certain claims which were overpaid.  These  overpayments were
caused, in large part, by a combination of factors including the ever increasing
complexity of the claims  paying  process as well as providers  enhancing  their
ability to maximize charges. In connection with these overpayments,  during 1997
the Company  recorded,  as a reduction of medical  expenses,  approximately  $12
million  relating to claims paid in 1996. The Company believes that it has taken
the appropriate  action and implemented the appropriate  controls to insure that
future claims are paid at the appropriate amount.  These initiatives should help
to control the Company's  medical loss ratio.  The  statements in this paragraph
and the preceding  paragraphs  regarding  cost  containment  initiatives,  total
medical  costs and  future  increases  in health  premiums  are  forward-looking
statements.  See  "Forward-Looking  Information" above for a description of risk
factors that may affect medical expenses per member and the medical loss ratio.













<PAGE> 25

Administrative  expenses as a  percentage  of revenue  ("administrative  expense
ratio") decreased to 11.3 percent for 1998 as compared to 11.7 in 1997. Adjusted
to  exclude  the effect of the $5.7  million  gain on sale of real  estate,  the
administrative expense ratio was 11.4 percent for 1998. Management believes that
the  administrative  expense  ratio will likely remain near the current level of
11.4 percent in 1999.  Management's  expectation  concerning the  administrative
expense ratio is a forward-looking  statement.  The administrative expense ratio
is affected by changes in health premiums and other revenues, development of the
Company's  expansion  areas and  increased  administrative  activity  related to
business volume.

M.D. IPA contracts with the Office of Personnel Management ("OPM") to provide or
arrange  health  services  under the Federal  Employee  Health  Benefit  Program
("FEHBP"). The contract with OPM and applicable government regulations establish
premium rating  requirements for the FEHBP. The premiums  established  under the
OPM contract are subject to periodic  review and audit to determine if they were
established in compliance with the community rating and other requirements under
the program.

In  September,  1998,  a  pretax  charge  of  approximately  $16.5  million  was
recognized in the Company's financial statements in anticipation of negotiations
relating to potential  governmental  claims for contracts with OPM related to an
audit  conducted by the Office of Inspector  General  concerning  the  Company's
participation  in  FEHBP  for  the  years  1992-1997  related  to  findings  for
1992-1994.  In the normal course of business, OPM audits health plans with which
it contracts to verify,  among other things,  that the premiums  calculated  and
charged to OPM are  established  in  compliance  with the best  price  community
rating guidelines established by OPM. OPM typically audits plans once every five
or six years, and each audit covers the prior five or six year period. While the
government's  initial  on-site  audits  are  usually  followed  by a  post-audit
briefing as well as a preliminary audit report in which the government indicates
its preliminary results,  final resolution and settlement of the audits can take
two to three years.

In  addition  to claims  made by the OPM  auditors  as part of the normal  audit
process,  OPM may also refer their  results to the United  States  Department of
Justice  ("DOJ") for potential  legal action under the False Claims Act. The DOJ
has the authority to file a claim under the False Claims Act if it believes that
the health plan  knowingly  overcharged  the  government or otherwise  submitted
false  documentation  or  certifications.  In  False  Claims  Act  actions,  the
government  may  impose  trebled  damages  and a civil  penalty of not less than
$5,000 nor more than $10,000 for each separate alleged false claim.

The Company  intends to  negotiate  with OPM on all matters to attain a mutually
satisfactory  result.  There can be no assurance that these negotiations will be
concluded  satisfactorily,  that the audit will not be  referred  to the DOJ, or
that  additional,  possibly  material,  liability  will be not be incurred.  The
Company believes that any ultimate  liability in excess of amounts accrued would
not materially affect the Company's  consolidated  financial position.  However,
such  liability  could have a material  effect on results of  operations or cash
flows of a future period if resolved unfavorably.

Also  reflected in the  Company's  1998 results is a $4.8 million  write down of
certain  computer and computer related assets that the Company had identified as
being no longer of use and which were discarded or sold.

Investment  income decreased $4.4 million due to a decrease in realized gains on
sales of marketable  equity  securities of $5.3 million offset by an increase in
interest income due to higher investable balances.

Income tax expense as a percent of pretax income  decreased from 32.4 percent in
1997 to 26.1 percent in 1998, in large part due to the relative  increase of tax
exempt interest income as a percent of pretax income.







<PAGE> 26

The net margin  rate  decreased  from 1.3 percent in 1997 to .8 percent in 1998.
This  decrease  is  primarily  due  to the  non-recurring  item  related  to the
Company's participation in the FEHBP.

- -----------------------------------------------------------------------------
THE YEAR ENDED DECEMBER 31, 1997 COMPARED TO THE YEAR ENDED DECEMBER 31, 1996
- -----------------------------------------------------------------------------

RESULTS OF OPERATIONS

Consolidated  net income (loss) of the Company was $14,489,000 and  $(2,768,000)
in 1997 and 1996,  respectively.  Diluted net earnings (loss) per share was $.31
in 1997 as compared  to $(.06) in 1996.  The  increase in earnings is  primarily
attributable  to a decrease in the medical loss ratio for  commercial  products.
The medical  loss ratio  decreased  primarily  due to  increased  efforts by the
Company to control medical costs.

Revenue for the year ended  December  31,  1997  decreased  approximately  $22.1
million or 2.0 percent  over the year ended  December  31,  1996.  A 4.4 percent
decrease in net average HMO and indemnity  enrollment  resulted in a decrease of
approximately  $47.5  million  in health  premium  revenue  while a 2.0  percent
increase in the average monthly  premium per enrollee  combined for all products
resulted in a $20.2 million increase in health premium revenue.

Service revenue from non-MAMSI  affiliated entities earned by the Company's home
health  care  subsidiaries  contributed  $21.0  million  in  revenue  in 1997 as
compared to $20.5  million for 1996.  This  increase is the result of increasing
business volume for these subsidiaries,  particularly in the home infusion area,
which is  largely  offset  by an  increasing  relative  percentage  of  business
conducted  for  MAMSI  HMO  and   indemnity   members  which  is  eliminated  in
consolidation.  Revenue from life and short-term disability products contributed
$5.3 million in 1997 as compared to $3.2 million in 1996.

Medical  expenses as a  percentage  of health  premium  revenue  ("medical  loss
ratio")  decreased  to 89.4 percent in 1997 as compared to 92.4 percent for 1996
and, on a per member per month basis,  medical  expenses  decreased 1.4 percent.
This decrease is due to a combination of factors including continuing efforts by
the Company to implement  product specific cost containment  controls,  expanded
activity  in  specialized  subrogation  areas and claims  review for dual health
coverage,  the adoption of  regionalized  and product  specific fee maximums for
specialists  from the delivery network  following a continuing  intensified peer
review analysis. In addition, during 1997, the Company identified certain claims
which  had been  overpaid  and  recorded  as a  reduction  of  medical  expenses
approximately $12 million relating to claims incurred and paid in 1996.

The  administrative  expense ratio for 1997  increased to 11.7 percent from 10.7
percent in 1996.  This  increase is due  primarily  to  increased  salaries  and
expenses in certain  administrative areas of the Company,  including utilization
management  claims audit and customer  service  departments,  as well as reduced
revenue in 1997.

The net margin rate  increased from (.2) percent in 1996 to 1.3 percent in 1997.
This increase is primarily due to the decrease in the medical loss ratio.

LIQUIDITY AND CAPITAL RESOURCES

The  Company's  business  is not  capital  intensive  and  the  majority  of the
Company's  expenses are payments to health care providers,  which generally vary
in direct  proportion to the health  premium  revenues  received by the Company.
Although  medical  utilization  rates  vary by  season,  the  payments  for such
expenses  lag behind cash inflow  from  premiums  because of the lag in provider
billing  procedures.  In the past, the Company's cash requirements have been met
principally  from operating  cash flow and it is  anticipated  that this source,
coupled with the Company's  operating line of credit,  will be sufficient in the
future.





<PAGE> 27

Accounts  receivable  decreased from $87.9 million at December 31, 1997 to $79.3
million at December 31, 1998.  This  decrease is primarily due to a reduction in
amounts due from the Federal  government  and a reduction  in  receivables  from
customers offset somewhat by increased medical recoverables.

Prepaid expenses, advances and other current assets increased from $19.3 million
at December 31, 1997 to $27.0 million at December 31, 1998,  principally  due to
an  increase in income  taxes  receivable  and an  increase in hospital  working
capital advances.

Property  and  equipment  decreased  from $57.0  million at December 31, 1997 to
$45.0  million at December  31, 1998 due to the sale of two office  buildings no
longer required in the Company's operations and the disposal of certain computer
equipment no longer needed.

Short-term  investments are marked to market at the end of every quarter and the
resulting  unrealized  gain or loss is  reflected  in the  ending  stockholders'
equity balance. Accordingly,  stockholders' equity at December 31, 1998 reflects
an  unrealized  gain of $1.3 million,  net of tax, on the  Company's  short-term
investments.

Medical  claims  payable  increased  from $98.3  million at December 31, 1997 to
$129.3  million at December 31, 1998  primarily due to increased  membership and
increased medical expense per member.

Additional paid-in capital decreased from $162.9 million at December 31, 1997 to
$138.2  million  at  December  31,  1998,  principally  due to  activity  in the
Company's stock compensation  trust. This trust is used to provide shares of the
Company's stock to meet its stock option plan obligations.

Treasury  stock  increased  from $41.2  million at  December  31,  1997 to $75.6
million at December  31, 1998 due to the  purchase  of  approximately  5 million
additional shares by the Company.

Deferred tax assets are recognized for deductible temporary differences that, in
management's  opinion, are more likely than not to be realized in the current or
future periods.  The Company's  history of operating  revenue and income growth,
and expectation of future operating  income,  provides strong positive  evidence
that these deferred tax assets will be realized.  A valuation allowance has been
recorded for net operating loss carryforwards  generated by certain subsidiaries
that are not  deductible on the Company's  consolidated  tax return.  Management
intends to continue to monitor the realizability of deferred tax assets in light
of  future   circumstances  and  assess  the  reasonableness  of  the  valuation
allowance.

The Company  currently has access to total revolving credit  facilities of $29.0
million,  which is used to provide short-term capital resources for routine cash
flow  fluctuations.  At December 31, 1998,  approximately $1.9 million was drawn
against  these  facilities.  In  addition,  the Company  maintains a $12 million
letter of credit for the benefit of the North Carolina  Insurance  Department in
support of operations of MAMSI Life and Health Company and a $300,000  letter of
credit for the  Company's  home health  subsidiary.  While no amounts  have been
drawn  against  these  letters of credit,  they are a reduction of the Company's
credit line availability.
















<PAGE> 28

Following is a schedule of the  short-term  capital  resources  available to the
Company:

                                                         December 31
(in thousands)                                         1998        1997
                                                     --------------------
Cash and cash equivalents                            $  9,787     $  3,570
Short-term investments                                174,325      152,080
Working capital advances to Maryland hospitals         12,261        9,186
                                                     --------     --------
Total available liquid assets                         196,373      164,836
Credit line availability                               14,855       21,526
                                                     --------     --------
Total short-term capital resources                   $211,228      186,362
                                                     ========     ========

The Company  believes that cash generated from operations along with its current
liquidity and borrowing  capabilities  are adequate for both current and planned
expanded  operations.  The Company sold an office  building in April,  1998 at a
price of  approximately  $3 million.  In July, 1998, the Company sold another of
its office buildings for approximately  $9.4 million.  The Company's purchase of
an approximately  208,000 square foot office building in Frederick,  Maryland in
1997,  and the resulting  consolidation  of its service  departments in this new
facility,  made the previously  owned  buildings  unnecessary  for the Company's
operations.

In  1997,  the  Company  began  the  process  of  identifying,   evaluating  and
implementing  changes to computer  programs  necessary  to address the year 2000
issue  ("Y2K").  This issue affects  computer  systems that have  time-sensitive
programs  that may not properly  recognize  the year 2000.  This could result in
major system failures or  miscalculations.  The Company is currently  addressing
its internal year 2000 issue with modifications to existing programs.  As a part
of the Company's initial assessment, 1,300 software programs were identified for
Y2K review. Of those 1,300, 182 programs were identified as needing modification
of which 145 were modified and 37 were  determined to be obsolete.  To date, the
Company has  modified  the  majority of the  programs  with  internal  resources
diverted from other projects,  none of which are critical to the Company's daily
operations.  Testing and  validation of the modified  programs is complete.  The
Company  has  incurred  less  than  $500,000  to date and  does  not  anticipate
significant  additional costs to bring the Y2K compliance program to completion.
Approximately  two-thirds of the Company's  critical  vendors have indicated Y2K
compliance  and the Company  anticipates  completion  of this  evaluation in the
second  quarter of 1999.  The Company is actively  pursuing  the  remainder  for
confirmation  of Y2K  compliance.  Based upon the work  completed  to date,  the
Company  does  not  anticipate  any  future  material  impact  on its  financial
statements.  With regard to the  Company's  most  reasonably  likely  worst case
scenario,  the Company believes that such scenario involves the possibility that
a small  number of  reports  will  display  incorrect  data,  a small  number of
programs  may give  unusual  data and a small  number of vendors will not be Y2K
compliant.  In  terms  of a  contingency  plan,  the  Company  believes  it  has
sufficient  internal  resources  to be able to correct  such  report  errors and
address  non-compliant vendors within a relatively short time frame. If internal
resources prove to be insufficient,  the Company will engage outside  resources.
The statements in this paragraph regarding future effects of the year 2000 issue
is a  forward-  looking  statement.  See  "Forward-Looking  Information"  for  a
description of risk factors.















<PAGE> 29

At its February,  1998 meeting,  the Board of Directors authorized a $20 million
stock repurchase  program which allowed the Company to purchase its stock on the
open  market,  through  block  trades,  or  in  private  transactions  over  the
succeeding 12 months. On August 3, 1998, the Executive Committee of the Board of
Directors  (subsequently  ratified  by the  Board of  Directors)  increased  the
authorization  to purchase  up to $40 million of common  stock prior to February
25, 1999. The program may be  discontinued at any time. As of December 31, 1998,
the Company had  repurchased  5,043,700  shares of its common  stock for a total
cost of  approximately  $34.4 million  under the stock  repurchase  program.  On
February  25,  1999 the  Board  of  Directors  authorized  a $20  million  stock
repurchase program to extend through September 2, 1999.

MARKET RISK

The  Company is exposed  to market  risk  through  its  investment  in fixed and
variable rate debt securities that are interest rate sensitive. The Company does
not use derivative financial instruments.  The Company places its investments in
instruments  that  meet high  credit  quality  standards,  as  specified  in the
Company's  investment  policy  guidelines;  the policy also limits the amount of
credit exposure to any one issue, issuer, or type of instrument.  A hypothetical
ten  percent  change  in market  interest  rates  over the next  year  would not
materially impact the Company's financial position or cash flow. The Company has
no significant market risk with regard to liabilities.

ITEM 7A.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The  information  required  by  Item  305  of  S-K  is  contained  in  Item  7 -
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations".










<PAGE> 30

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA             PAGE
                                                                 ----

Consolidated Balance Sheets as of December 31, 1998 and 1997.....  31

Consolidated Statements of Operations for the years ended
  December 31, 1998, 1997 and 1996...............................  32

Consolidated Statements of Changes in Stockholders' Equity
  for the years ended December 31, 1998, 1997 and 1996...........  33

Consolidated Statements of Cash Flows for the years ended
  December 31, 1998, 1997 and 1996...............................  34

Notes to Consolidated Financial Statements.......................  35

Report of Ernst & Young LLP Independent Auditors.................  54

Selected Quarterly Financial Data for Fiscal Years 1998 and
  1997 (Unaudited)...............................................  55





<PAGE> 31

                                     Mid Atlantic Medical Services, Inc.
                                        Consolidated Balance Sheets
<TABLE>
<CAPTION>
                                                                                     December 31,
(in thousands except share amounts)                                              1998          1997
                                                                               --------      --------
<S>                                                                            <C>           <C>
ASSETS
Current assets
  Cash and cash equivalents                                                    $  9,787      $  3,570
  Short-term investments (Note 2)                                               174,325       152,080
  Accounts receivable, net (Note 3)                                              79,258        87,855
  Prepaid expenses, advances and other                                           26,955        19,294
  Deferred income taxes (Note 7)                                                  1,247           303
                                                                               --------      --------
Total current assets                                                            291,572       263,102

Property and equipment, net (Note 4)                                             44,961        56,964
Statutory deposits (Note 2)                                                      14,906        14,854
Other assets                                                                      9,055        10,427
Deferred income taxes (Note 7)                                                    2,281           612
                                                                               --------      --------
    Total assets                                                               $362,775      $345,959
                                                                               ========      ========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities
  Notes payable (Note 5)                                                       $     60      $     60
  Short-term borrowings (Note 5)                                                  1,845         2,249
  Accounts payable                                                               19,071        16,878
  Medical claims payable, net                                                   129,265        98,328
  Deferred premium revenue                                                       17,167        15,722
  Deferred income taxes (Note 7)                                                  1,026         1,800
                                                                               --------      --------
Total current liabilities                                                       168,434       135,037
Notes payable (Note 5)                                                               14            74
Deferred income taxes (Note 7)                                                    3,109         2,541
                                                                               --------      --------
    Total liabilities                                                           171,557       137,652

Stockholders'  equity (Notes 10, 11 and 13)
Common stock, $0.01 par, 100,000,000 shares authorized,
  56,772,502 issued and 49,634,162 outstanding at
  December 31, 1998 and 54,677,862 outstanding at
  December 31, 1997                                                                 567           567
Additional paid-in capital                                                      138,247       162,892
Stock compensation trust (common stock held in trust)                           (68,926)     (101,482)
Treasury stock, 7,138,340 shares at December 31, 1998;
  2,094,640 shares at December 31, 1997                                         (75,623)      (41,211)
Accumulated other comprehensive income (Note 16)                                  1,313           946
Retained earnings                                                               195,640       186,595
                                                                               --------      --------
    Total stockholders' equity                                                  191,218       208,307
                                                                               --------      --------
    Total liabilities and stockholders' equity                                 $362,775      $345,959
                                                                               ========      ========


The accompanying notes are an integral part of these consolidated financial statements.
</TABLE>





<PAGE> 32

                                    Mid Atlantic Medical Services, Inc.
                                   Consolidated Statements of Operations

<TABLE>
<CAPTION>
                                                                            Year Ended December 31,
(in thousands except share amounts)                                    1998          1997          1996
                                                                   ----------     ----------    ---------
<S>                                                                <C>            <C>           <C>
Revenue
  Health premium                                                   $1,124,248     $1,051,923    $1,079,223
  Fee and other                                                        20,501         18,351        16,376
  Life and short-term disability premium                                6,876          5,313         3,240
  Home health services                                                 19,962         21,025        20,519
  Investment                                                           10,622         15,041        14,384
  Gain on sale of real estate                                           5,692              0             0
                                                                   ----------     ----------    ----------
Total revenue                                                       1,187,901      1,111,653     1,133,742
                                                                   ----------     ----------    ----------
Expense
  Medical expense
    Referral and ancillary care (Notes 8 and 9)                       437,279        406,840       432,487
    Hospitalization, net of coordination of benefits                  342,852        323,435       349,445
    Primary care (Notes 8 and 9)                                       81,166         83,183       100,692
    Prescription drugs                                                136,767        127,187       115,544
    Reinsurance premiums, net (Note 6)                                    192            (49)         (600)
                                                                   ----------     ----------    ----------
                                                                      998,256        940,596       997,568
                                                                   ----------     ----------    ----------
  Life and short-term disability claims                                 3,760          2,811         2,314
                                                                   ----------     ----------    ----------
  Home health patient services                                         17,755         16,808        17,141
                                                                   ----------     ----------    ----------
  Administrative expense
    Salaries and benefits                                              85,166         80,700        76,627
    Promotion and advertising                                           3,939          3,543         4,182
    Professional services                                               4,066          6,499         5,837
    Facilities, maintenance and supplies                               27,058         26,609        23,398
    Other (including interest expense of $414, $540 and $691)          14,378         12,647        11,610
                                                                   ----------     ----------    ----------
                                                                      134,607        129,998       121,654
                                                                   ----------     ----------    ----------

  Loss on retirement of equipment                                       4,787              0             0
  Federal Employee Health Benefit Program
    Potential Settlement (Note 12)                                     16,500              0             0
                                                                   ----------     ----------    ----------
Total expense                                                       1,175,665      1,090,213     1,138,677
                                                                   ----------     ----------    ----------
Income (loss) before income taxes                                      12,236         21,440        (4,935)
Income tax benefit (expense) (Note 7)                                  (3,191)        (6,951)        2,167
                                                                   ----------     ----------    ----------
Net income (loss)                                                  $    9,045     $   14,489    $   (2,768)
                                                                   ==========     ==========    ==========

Basic earnings (loss) per common share (Note 11)                   $      .20     $      .31     $    (.06)
                                                                   ==========     ==========     =========

Diluted earnings (loss) per common share (Note 11)                 $      .20     $      .31    $     (.06)
                                                                   ==========     ==========     =========


The accompanying notes are an integral part of these consolidated financial statements.
</TABLE>





<PAGE> 33

                       Mid Atlantic Medical Services, Inc.
           Consolidated Statements of Changes in Stockholders' Equity
<TABLE>
<CAPTION>
                                                                                           Accumulated
                                                  Additional       Stock                      Other
                                        Common     Paid-In      Compensation   Treasury   Comprehensive  Retained
(in thousands except share amounts)     Stock      Capital         Trust        Stock         Income     Earnings    Total
                                        ------    ----------    ------------   --------   -------------  --------   --------
<S>                                     <C>        <C>           <C>           <C>          <C>          <C>        <C>

Balance, December 31, 1995              $  466     $ 40,374                    $   (33)     $  1,535     $174,874   $217,216

Exercise of stock options for
  1,011,175 shares of MAMSI
  common stock                              10        5,682                                                            5,692
Stock option tax benefit                              6,162                                                            6,162
Establishment of Stock
  Compensation Trust for
  9,130,000 shares of MAMSI
  common stock                              91      130,011      $(130,102)
Exercise of stock options
  for 109,300 shares released from
  the Stock Compensation Trust                       (1,011)         1,557                                               546
Adjustment to market value
  for shares held in Stock
  Compensation Trust                                 (7,893)         7,893
Repurchase of 2,048,700 shares of
  MAMSI common stock                                                             (41,178)                             (41,178)

Comprehensive Income:
Net Loss                                                                                                   (2,768)    (2,768)
Other comprehensive income,
  net of tax benefit of $830                                                                  (1,270)                 (1,270)
                                        ------     --------      ---------     --------     --------     --------   --------
Total Comprehensive Income                                                                                            (4,038)
                                                                                                                    --------

Balance, December 31, 1996                 567      173,325       (120,652)     (41,211)         265      172,106    184,400

Exercise of stock options for
  1,061,325 shares released from the
  Stock Compensation Trust                          (10,265)        15,124                                             4,859
Stock option tax benefit                              3,878                                                            3,878
Adjustment to market value for shares
  held in Stock Compensation Trust                   (4,046)         4,046

Comprehensive Income:
Net Income                                                                                                 14,489     14,489
Other comprehensive income,
 net of tax of $444                                                                              681                     681
                                        ------     --------      ---------     --------     --------     --------   --------
Total Comprehensive Income                                                                                            15,170
                                                                                                                    --------
Balance, December 31, 1997                 567      162,892       (101,482)     (41,211)         946      186,595    208,307

Exercise of stock options for
  935,425 shares released from the
  Stock Compensation Trust                           (7,914)        13,330                                             5,416
Stock option tax benefit                              2,495                                                            2,495
Adjustment to market value for shares
  held in Stock Compensation Trust                  (19,226)        19,226
Repurchase of 5,043,700 shares of
  MAMSI common stock                                                            (34,412)                             (34,412)

Comprehensive Income:
Net Income                                                                                                  9,045      9,045
Other comprehensive income
 net of tax of $239                                                                              367                     367
                                        ------     --------      ---------     --------     --------     --------   --------
Total Comprehensive Income                                                                                             9,412

Balance, December 31, 1998              $  567     $138,247      $ (68,926)    $(75,623)    $  1,313     $195,640   $191,218
                                        ======     ========      =========     ========     ========     ========   ========
The accompanying notes are an integral part of these consolidated financial statements.
</TABLE>





<PAGE> 34

                                        Mid Atlantic Medical Services, Inc.
                                       Consolidated Statements of Cash Flows

<TABLE>
<CAPTION>
                                                                                  Year  Ended  December  31,
(in thousands)                                                                1998           1997           1996
                                                                            --------       --------       --------
<S>                                                                         <C>            <C>            <C>
Cash flows from operating activities:
  Net income (loss)                                                         $  9,045       $ 14,489       $ (2,768)
Adjustments to reconcile net income (loss) to net cash provided by
  (used in) operating activities:
  Depreciation and amortization                                               10,796         10,179          7,874
  Provision for bad debts                                                         34           (187)         1,728
  Provision for deferred income taxes                                         (2,273)         7,260          2,261
  Gain (loss) on sale and disposal of assets                                    (833)                           13
  Decrease (increase) in accounts receivable                                   8,563        (10,626)       (20,153)
  Decrease (increase) in prepaid expenses, advances and other                 (7,661)        13,029        (23,349)
  Increase (decrease) in accounts payable                                      2,193         (1,877)         3,680
  Increase (decrease) in medical claims payable, net                          30,937        (20,321)        10,159
  Increase in deferred premium revenue                                         1,445          5,243          3,000
                                                                            --------       --------       --------
Total adjustments                                                             43,201          2,700        (14,787)
                                                                            --------       --------       --------
          Net cash provided by (used in) operating activities                 52,246         17,189        (17,555)
                                                                            --------       --------       --------
Cash flows (used in) provided by investing activities:
  Purchases of short-term investments                                       (329,400)      (249,862)      (338,943)
  Sales and maturities of short-term investments                             307,763        253,267        392,219
  Purchases of property and equipment                                         (9,008)       (21,016)       (13,469)
  Purchases of statutory deposits                                               (100)        (8,761)        (2,407)
  Maturities of statutory deposits                                                               10          1,824
  Purchases of other assets                                                     (893)          (406)          (247)
  Proceeds from sale of assets                                                12,574            131            435
                                                                            --------       --------       --------
          Net cash (used in) provided by investing activities                (19,064)       (26,637)        39,412
                                                                            --------       --------       --------
Cash flows provided by (used in) financing activities:
  Principal payments on notes payable                                            (60)           (60)          (210)
  Increase (decrease) in short-term borrowings                                  (404)           276            322
  Exercise of stock options                                                    5,416          4,859          6,238
  Stock option tax benefit                                                     2,495          3,878          6,162
  Purchase of treasury stock                                                 (34,412)                      (41,178)
                                                                            --------       --------       --------
          Net cash provided by (used in) financing activities                (26,965)         8,953        (28,666)
                                                                            --------       --------       --------
Net increase (decrease) in cash and cash equivalents                           6,217           (495)        (6,809)
Cash and cash equivalents at beginning of year                                 3,570          4,065         10,874
                                                                            --------       --------       --------
Cash and cash equivalents at end of year                                    $ 9,787        $  3,570       $  4,065
                                                                            ========       ========       ========


The accompanying notes are an integral part of these consolidated financial statements.
</TABLE>





<PAGE> 35

                            Mid Atlantic Medical Services, Inc.
                       Notes to Consolidated Financial Statements

NOTE 1 - ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Mid  Atlantic  Medical  Services,  Inc.  ("MAMSI")  is a holding  company  whose
subsidiaries  are  active  in  managed  health  care and other  life and  health
insurance  related  activities.  MAMSI's  principal  markets  currently  include
Maryland,  Virginia, the District of Columbia,  Delaware,  West Virginia,  North
Carolina and Pennsylvania.  MAMSI and its subsidiaries (collectively referred to
as the  "Company")  have  developed  a broad  range of managed  health  care and
related ancillary products and deliver these services through health maintenance
organizations  ("HMOs"),  preferred provider organizations  ("PPOs"), a life and
health insurance company, home health care and home infusion services companies,
a hospice company,  a mail-order  pharmacy,  and part ownership in an outpatient
surgery center.

MAMSI delivers managed health care services  principally through HMOs. The HMOs,
MD- Individual Practice  Association,  Inc. ("M.D.  IPA"),  Optimum Choice, Inc.
("OCI"), Optimum Choice of the Carolinas, Inc. ("OCCI") and Optimum Choice, Inc.
of Pennsylvania  ("OCIPA") arrange for health care services to be provided to an
enrolled  population for a predetermined,  prepaid fee, regardless of the extent
or  nature  of  services  provided  to the  enrollees.  The  HMOs  offer  a full
complement of health benefits,  including  physician,  hospital and prescription
drug services.

The following are other significant wholly owned subsidiaries of MAMSI:

Physicians Health Plan of Maryland,  Inc.  ("PHP-MD") is an individual  practice
association ("IPA") that provides physician services to certain of the Company's
HMOs.

Alliance PPO, LLC ("Alliance") provides a delivery network of physicians (called
a preferred  provider  organization)  to employers  and  insurance  companies in
association with various health plans.

Mid Atlantic Psychiatric Services,  Inc. ("MAPSI") provides psychiatric services
to third party payors or self-insured employer groups.

MAMSI Life and Health  Insurance  Company  ("MAMSI  Life")  develops and markets
indemnity  health  products  and group  life,  accidental  death and  short-term
disability insurance.

HomeCall,  Inc.,  FirstCall,  Inc. and HomeCall  Pharmaceutical  Services,  Inc.
("HCPS") provide in-home medical care including  skilled  nursing,  infusion and
therapy to MAMSI's HMO members and other  payors.  In  addition,  HCPS  provides
mail-order pharmacy services to MAMSI's HMO members and other payors.

HomeCall Hospice Services,  Inc. ("HCHS") began operations in December, 1996 and
provides services to terminally ill patients and their families.

The significant  accounting  policies followed by MAMSI and its subsidiaries are
described below.

PRINCIPLES OF CONSOLIDATION

The  consolidated  financial  statements  include the  accounts of MAMSI and its
subsidiaries.  All  significant  intercompany  balances have been  eliminated in
consolidation.










<PAGE> 36

MAJOR CUSTOMERS

A significant  portion of the Company's premium revenue is derived from federal,
state  and local  government  agencies,  including  governmental  employees  and
Medicaid and Medicare  recipients.  For the years ended December 31, 1998,  1997
and  1996,  approximately  11% of  premium  revenue  was  derived  from  federal
government  agencies  which is included in the Medicare and Risk  segments,  and
approximately 18%, 25% and 26%,  respectively,  was derived from state and local
government agencies which is included in the Risk segment.

CASH EQUIVALENTS

Floating rate municipal  putable bonds,  which possess an insignificant  risk of
loss from  changes  in  interest  rates,  are held less than three  months,  are
classified as cash equivalents.

SHORT-TERM INVESTMENTS

Short-term investments,  consisting principally of marketable equity securities,
municipal bonds and tax-free bond funds,  are classified as  available-for-sale.
These  securities are carried at fair market value plus accrued interest and any
unrealized gains and losses are reported in other  comprehensive  income, net of
the related tax effect. Gains and losses are reported in earnings when realized.
Gains  and  losses  on sales of  securities  are  computed  using  the  specific
identification method.

PROPERTY AND EQUIPMENT

Property  and  equipment  is  stated  at  cost  less  accumulated  depreciation.
Depreciation  is provided on a  straight-line  basis over the  estimated  useful
lives of the property and equipment.  Leasehold  improvements are amortized on a
straight-line  basis over the lesser of the life of the  improvement or the term
of the related lease.

STATUTORY DEPOSITS

Statutory deposits, consisting principally of municipal bonds and treasury notes
held in custodial  accounts by state  regulatory  agencies,  are  classified  as
held-to-maturity. These securities are stated at amortized cost.

GOODWILL

The excess of cost over the fair value of net assets of the acquired  company in
the 1994 purchase  transaction  is recorded as goodwill and is classified in the
consolidated  balance  sheets as an other  asset.  Goodwill  is  amortized  on a
straight-line basis over 15 years.

HEALTH PREMIUM

Amounts  charged for health care services are  recognized as premium  revenue in
the month for which enrollees are entitled to receive care.  Included in premium
revenue are amounts due from  customers  that  utilize the  Company's  capitated
primary care physician network, its medical utilization  management services and
other services related to health  management and who self-fund,  generally up to
specified limits, certain elements of medical costs, such as hospitalization and
specialist  physicians.  Premium  revenue  received  in advance is  recorded  as
deferred premium revenue.











<PAGE> 37

FEE AND OTHER

Amounts  charged to third party payors solely for use of the Company's  provider
network and its discounted  fee-for-service rate structure are recognized as fee
revenue.   Amounts  charged  for  administrative   services  only  arrangements,
entailing only claims payment  services and utilization of the provider  network
without  utilization  of  the  Company's  primary  care  physician  network  and
utilization  management  services,  and for which the Company bears no insurance
risk, are recognized as fee revenue.

HOME HEALTH SERVICES

Amounts  charged to  patients,  third  party  payors and others for home  health
services  are  recorded  at  net  realizable  amounts,   including   retroactive
adjustments under cost reimbursement agreements with third party payors.

MEDICAL EXPENSE

Medical  expense  consists  principally of medical claims and capitation  costs.
Medical claims include  payments to be made on claims reported as of the balance
sheet date and  estimates  of health care  services  incurred  but not  reported
("IBNR")  to the Company as of the balance  sheet  date.  The IBNR is  estimated
using an expense forecasting model that is based on historical claims incurrence
patterns modified to consider current trends in enrollment,  member  utilization
patterns,  timeliness of claims  submissions  and other  factors.  This estimate
includes  medical costs to be incurred  beyond the premium  paying date that are
contractually required.

Capitation costs represent  monthly fixed fees to  participating  physicians and
other medical providers as retainers for providing continuing medical care.

Medical claims reversals result from the determination that the Company has paid
claims in excess of contractually obligated amounts. Amounts recognized (through
specific  identification  or  estimation)  are recorded at their net  realizable
value as a  reduction  of medical  expense  in the  consolidated  statements  of
operations  and as a reduction  of medical  claims  payable in the  consolidated
balance sheets.

The  Company  believes  that its claims  reserves  are  adequate  to satisfy its
ultimate  claims  liabilities;  however,  the liability as established  may vary
significantly from actual claims amounts, both negatively or positively,  and as
such adjustments are deemed necessary,  they are included in current operations.
Establishment of claims estimates is an inherently  uncertain  process and there
can be no certainty that currently  established  reserves will prove adequate to
cover actual ultimate  expenses.  Subsequent  actual  experience could result in
reserves being too high or too low which could  positively or negatively  impact
the Company's earnings in future periods.

COORDINATION OF BENEFITS

Coordination of benefits ("COB") results from the determination that the Company
has paid for  medical  claims  expenses  for  which an  enrollee  has  duplicate
coverage and for which another insurer is primarily  liable. In the consolidated
statements of operations,  such identified amounts are classified as a reduction
of hospitalization expense and, in the consolidated balance sheets, such amounts
are classified as a reduction of medical claims payable.












<PAGE> 38

INCOME TAXES

The income tax provision  includes Federal and state income taxes both currently
payable and deferred because of differences  between financial reporting and tax
bases of assets  and  liabilities.  Deferred  tax  assets  and  liabilities  are
measured  using the  enacted  tax rates and laws that will be in effect when the
differences are expected to reverse.

EARNINGS (LOSS) PER COMMON SHARE

In 1997, the Company  adopted  Statement of Financial  Accounting  Standards No.
128,  "Earnings Per Share",  resulting in the  restatement of earnings per share
for all prior  periods.  Basic  earnings  per  common  share are based  upon the
weighted average shares  outstanding.  Outstanding  stock options are treated as
common stock  equivalents for purposes of computing  diluted earnings per share.
Shares held in the Company's Stock Compensation Trust (see Note 11) are excluded
from the calculation of basic and diluted earnings per share.

FAIR VALUE OF FINANCIAL INSTRUMENTS

Statement of Financial  Accounting  Standards  No. 107,  "Disclosure  about Fair
Value of Financial  Instruments"  ("Statement No. 107"),  requires disclosure of
fair value information about financial instruments, whether or not recognized in
the balance sheet, for which it is practicable to estimate that value. Statement
No. 107 excludes certain financial instruments and all nonfinancial  instruments
from its disclosure  requirements.  The following  methods and assumptions  were
used by the  Company in  estimating  its fair value  disclosures  for  financial
instruments:

Cash and cash  equivalents - The carrying  amount  reported in the  consolidated
balance sheets approximates fair value.

Short-term investments - Fair values are based on quoted market prices.

Statutory deposits - Fair values are based on quoted market prices.

Short-term borrowings - The carrying amount reported in the consolidated balance
sheets approximates fair value.

ESTIMATES

The  preparation  of the  financial  statements  in  conformity  with  generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  effect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting  period.  Such estimates and assumptions could change in the future as
more  information  becomes  known,  which could impact the amounts  reported and
disclosed herein.

STOCK OPTION PLANS

The Company has elected to follow  Accounting  Principles  Board Opinion No. 25,
"Accounting   for  Stock   Issued  to   Employees"   ("APB   25")  and   related
interpretations  in accounting for its stock option plans. Under APB 25, because
the exercise  price of the Company's  employee  stock options  equals the market
value of the underlying  stock on the date of grant, no compensation  expense is
recognized.











<PAGE> 39

RECENT ACCOUNTING PRONOUNCEMENTS

In June 1997,  the  Financial  Accounting  Standards  Board issued  Statement of
Financial  Accounting  Standards  No.  130,  "Reporting   Comprehensive  Income"
("Statement No. 130"), which establishes  standards for reporting and display of
income and its components (revenue, expenses, gains and losses) in a full set of
general-purpose  financial statements.  The Company adopted Statement No. 130 as
of December  31,  1997 and has  presented  comprehensive  income for all periods
presented in the Consolidated Statements of Changes in Stockholders' Equity.

In June 1997,  the  Financial  Accounting  Standards  Board issued  Statement of
Financial  Accounting  Standards  No.  131,  "Disclosure  about  Segments  of an
Enterprise and Related Information" ("Statement No. 131"), which changes the way
public companies report information about operating segments. Statement No. 131,
which is based on the  management  approach  to segment  reporting,  establishes
requirements  to report  selected  segment  information  quarterly and to report
entity-wide  disclosures about products and services,  major customers,  and the
material  countries in which the entity holds  assets and reports  revenue.  The
Company adopted Statement No. 131 as of December 31, 1997.

In March 1998, the AICPA issued Statement of Position 98-1,  "Accounting for the
Costs of Computer Software Developed or Obtained for Internal Use" ("SOP 98-1"),
which  establishes  guidelines  for the accounting for the costs of all computer
software developed or obtained for internal use. SOP 98-1 is effective for years
beginning  after  December  15,  1998.  The Company  anticipates  adopting  this
statement in the first quarter of 1999 and anticipates  that the adoption of SOP
98-1 will not have a material  impact on the  Company's  consolidated  financial
statements.

In June 1998,  the  Financial  Accounting  Standards  Board issued  Statement of
Financial  Accounting  Standards No. 133 "Accounting for Derivative  Instruments
and Hedging  Activities"  ("Statement No. 133").  Statement No. 133 is effective
for all fiscal  quarters  of all fiscal  years  beginning  after June 15,  1999.
Statement No. 133 requires that all  derivative  instruments  be recorded on the
balance sheet at their fair value.  Changes in the fair value of derivatives are
recorded  each  period  in  current  earnings  or  other  comprehensive  income,
depending  on whether a  derivative  is designed as part of a hedge  transaction
and, if it is, the type of hedge  transaction.  The Company does not expect that
the  adoption  of  Statement  No.  133  will  have  a  material  impact  on  its
consolidated  financial  statements  because the Company does not currently hold
any derivative instruments.

RECLASSIFICATIONS

Certain  balances in the 1997 financial  statements  have been  reclassified  to
conform to 1998 presentation.

NOTE 2 - INVESTMENTS

Investments   are  classified   into  two  categories   (available-for-sale   or
held-to-maturity)  and  are  valued  based  upon  this  designation.  Securities
classified as available-for-sale,  which include debt and equity securities that
the Company does not have the positive intent to hold to maturity, are marked to
market  with  the  resulting   unrealized   gain  or  loss  reflected  in  other
comprehensive income. Securities classified as held-to-maturity,  which are debt
securities  that the Company has both the positive intent and ability to hold to
maturity,  are carried at amortized  cost. The Company  classifies its statutory
deposits as  held-to-maturity  with no effect on the recorded  value.  All other
investments are classified as available-for- sale. Management re-evaluates these
designations  annually.  During  1997,  statutory  deposit  investments  with an
amortized  cost of  $3,001,000  were released by state  regulatory  agencies and
transferred to the Company's  short-term  investment  portfolio.  The unrealized
gain at the date of transfer was $94,000.






<PAGE> 40

The following is a summary of available-for-sale and held-to-maturity securities
at December 31, 1998 and 1997:

<TABLE>
<CAPTION>
                                                       -----------------------------------------------------
                                                                                1998
                                                       -----------------------------------------------------
                                                                        Gross         Gross        Estimated
(in thousands)                                                       Unrealized     Unrealized       Fair
                                                          Cost          Gains         Losses         Value
                                                       -----------------------------------------------------
<S>                                                    <C>            <C>            <C>            <C>
AVAILABLE-FOR-SALE SECURITIES
Obligations of states and political subdivisions       $ 84,072       $ 1,996        $     -        $ 86,068
Municipal bond funds                                     81,468             1                         81,469
Accrued interest                                          1,210                                        1,210
                                                       --------       -------        -------        --------
Debt securities                                         166,750         1,997              -         168,747
Equity securities                                         5,403           181              6           5,578
                                                       --------       -------        -------        --------

Short-term investments                                 $172,153       $ 2,178        $     6        $174,325
                                                       ========       =======        =======        ========
HELD-TO-MATURITY SECURITIES
U.S. Treasury securities and obligations
  of U.S. government agencies                          $  3,426       $   157        $     -        $  3,583
Obligations of states and political subdivisions         10,626           270                         10,896
Other investments                                           854                                          854
                                                       --------       -------        -------        --------

Statutory deposits                                     $ 14,906       $   427        $     -        $ 15,333
                                                       ========       =======        =======        ========
</TABLE>

<TABLE>
<CAPTION>
                                                       -----------------------------------------------------
                                                                                1997
                                                       -----------------------------------------------------
                                                                        Gross         Gross        Estimated
(in thousands)                                                       Unrealized     Unrealized       Fair
                                                          Cost          Gains         Losses         Value
                                                       -----------------------------------------------------
<S>                                                    <C>            <C>            <C>            <C>
AVAILABLE-FOR-SALE SECURITIES
Obligations of states and political subdivisions       $ 85,433       $ 1,615        $    21        $ 87,027
Municipal bond funds                                     15,775                                       15,775
Other debt securities                                       462            46                            508
Accrued interest                                          1,170                                        1,170
                                                       --------       -------        -------        --------
Debt securities                                         102,840         1,661             21         104,480
Equity securities                                        46,220         2,812          2,893          46,139
Mutual funds                                              1,456             5                          1,461
                                                       --------       -------        -------        --------

Short-term investments                                 $150,516       $ 4,478        $ 2,914        $152,080
                                                       ========       =======        =======        ========

HELD-TO-MATURITY SECURITIES
U.S. Treasury securities and obligations
 of U.S. government agencies                           $  3,943       $    85        $     2        $  4,026
Obligations of states and political subdivisions         10,661           187                         10,848
Other investments                                           250                                          250
                                                       --------       -------        -------        --------

Statutory deposits                                     $ 14,854       $   272        $     2        $ 15,124
                                                       ========       =======        =======        ========
</TABLE>

For  the  years   ended   December   31,  1998  and  1997,   marketable   equity
available-for-sale  securities  with a  fair  value  at  the  date  of  sale  of
$92,570,000 and $62,804,000,  respectively,  were sold. The gross realized gains
on such sales totaled $5,793,000 and $11,027,000,  and the gross realized losses
totaled $3,001,000 and $2,935,000 for each of the





<PAGE> 41

respective periods. Realized gains and losses are included in investment income.
Other sales of short-term  investments consisted principally of redemptions from
municipal bond funds.

The  amortized  cost and  estimated  fair  value of debt and  marketable  equity
securities  at December  31, 1998,  by  contractual  maturity,  are shown below.
Actual maturities may differ from contractual  maturities because the issuers of
the  securities  may have the right to  prepay  obligations  without  prepayment
penalties.

<TABLE>
<CAPTION>
                                                -------------------------
                                                                Estimated
                                                                  Fair
(in thousands)                                     Cost           Value
                                                -------------------------
<S>                                             <C>              <C>
AVAILABLE-FOR-SALE
Due in one year or less                         $ 89,634         $ 89,645
Due after one year through five years             39,444           40,370
Due after five years through ten years            23,356           24,003
Due after ten years                               14,316           14,729
                                                --------         --------
Debt securities                                  166,750          168,747
Equity securities                                  5,403            5,578
                                                --------         --------
                                                $172,153         $174,325
                                                ========         ========
HELD-TO-MATURITY
Due in one year or less                         $  2,021         $  2,029
Due after one year through five years              8,802            8,980
Due after five years through ten years             3,579            3,784
Due after ten years                                  504              540
                                                --------         --------
                                                $ 14,906         $ 15,333
                                                ========         ========
</TABLE>



NOTE 3 - ACCOUNTS RECEIVABLE

Accounts receivable consists of the following at December 31:

<TABLE>
<CAPTION>
                                                -------------------------
(in thousands)                                    1998             1997
                                                -------------------------
<S>                                             <C>              <C>
Premium and fee accounts                        $ 57,399         $ 68,643
Home health service accounts                       5,909            5,466
Medical recoverables                              16,204           11,726
Other                                              4,960            7,200
Less: allowance for doubtful accounts             (5,214)          (5,180)
                                                --------         --------
                                                $ 79,258         $ 87,855
                                                ========         ========
</TABLE>

Medical  recoverables  consist of refunds identified on paid claims. This amount
has  been  recorded  as a  reduction  of  medical  expense  in the  consolidated
statements of operations. Other receivables consist primarily of amounts due for
reinsurance recoveries and pharmacy rebates.





<PAGE> 42

NOTE 4 - PROPERTY AND EQUIPMENT

Property and equipment consists of the following at December 31:
<TABLE>
<CAPTION>
                                                ------------------------
(in thousands)                                     1998           1997
                                                ------------------------
<S>                                             <C>              <C>
Land, buildings and improvements                $28,684          $31,355
Computer equipment and software                  28,826           38,757
Office furniture and equipment                   19,498           17,267
Leasehold improvements                              861              688
                                                -------          -------
                                                 77,869           88,067
Less: accumulated depreciation and
  amortization                                  (32,908)         (31,103)
                                                -------          -------
                                                $44,961          $56,964
                                                =======          =======
</TABLE>


NOTE 5 - NOTES PAYABLE

Notes payable consists of the following at December 31:

<TABLE>
<CAPTION>
                                                ------------------------
(in thousands)                                     1998            1997
                                                ------------------------
<S>                                             <C>              <C>
Notes payable                                   $    74          $   134
Current portion                                     (60)             (60)
                                                -------          -------
Noncurrent portion                              $    14          $    74
                                                =======          =======
</TABLE>

The noncurrent portion of notes at December 31, 1998 matures in the year 2000.

The Company has access to total line-of-credit and  letter-of-credit  facilities
of $29 million, which are subject to annual renewal. Borrowings bear interest at
a rate  based on the  Federal  Funds  rate plus .75% - 1.65% and are  secured by
certain  cash  balances  and  short-term  investments.  At  December  31,  1998,
approximately  $1.85 million was outstanding on one of the lines-of-credit at an
interest  rate of 6.45% and  approximately  $12.3  million  was  outstanding  in
letters-of-credit.

Interest  expense  paid in cash  during  1998,  1997 and 1996 was  approximately
$188,000, $538,000 and $688,000, respectively.

NOTE 6 - REINSURANCE

M.D.  IPA, OCI,  OCCI,  OCIPA and MAMSI Life  maintain  reinsurance  coverage to
provide for reimbursement of claims in excess of certain limits. Reinsurance for
health  claims  generally  covers  80% of all  hospital  costs  in  excess  of a
deductible  amount  per  enrollee  per year  (subject  to a  $2,000,000  maximum
lifetime  reinsurance limit per person) but excludes coverage of costs in excess
of certain per diem rates. The deductible per enrollee is $200,000.  Reinsurance
for life and accidental  death claims generally covers all settlements in excess
of $50,000  per person  subject to a  $2,500,000  maximum  recovery  per person.
Reinsurance recoveries for the years ended December 31, 1998, 1997 and 1996 were
approximately  $1,597,000,  $2,045,000  and  $2,288,000,  respectively.  In  the
consolidated statements of operations, reinsurance premiums are shown net of the
related recoveries.






<PAGE> 43

NOTE 7 - INCOME TAXES

Deferred  income  taxes  reflect  the net tax effects of  temporary  differences
between the carrying  amounts of assets and liabilities for financial  reporting
purposes and the amounts used for income tax purposes. Significant components of
the Company's  deferred tax liabilities and assets are as follows as of December
31:

<TABLE>
<CAPTION>
                                                --------------------------
(in thousands)                                    1998              1997
                                                --------------------------
<S>                                             <C>                <C>
Deferred tax liabilities:
  Accelerated depreciation                      $ 2,664            $ 3,422
  Receivable valuation adjustments                4,460              3,314
  Unrealized investment gains                       859                618
                                                -------            -------
Total deferred tax liabilities                    7,983              7,354
                                                -------            -------
Deferred tax assets:
  Accrued medical expenses                        3,429              3,259
  Premium revenue adjustments                     2,975                784
  State net operating losses                      2,449                256
  Accrued pension expenses                        1,263                915
  Other                                            (450)              (224)
                                                -------            -------
Total deferred tax assets                         9,666              4,990
Valuation allowance for deferred tax assets      (2,290)            (1,062)
                                                -------            -------
Net deferred tax assets                           7,376              3,928
                                                -------            -------
                                                $ (607)            $(3,426)
                                                =======            =======
Included in the consolidated balance sheets:

  Current assets - deferred income taxes        $ 1,247            $   303
  Non-current assets - deferred income taxes      2,281                612
  Current liabilities - deferred income taxes    (1,026)            (1,800)
  Non-current liabilities - deferred
    income taxes                                 (3,109)            (2,541)
                                                -------            -------
  Net deferred tax liability                    $  (607)           $(3,426)
                                                =======            =======
</TABLE>






<PAGE> 44

Significant  components  of the  provision  for  income  taxes  attributable  to
continuing operations are as follows for the years ended December 31:

<TABLE>
<CAPTION>
                                                ---------------------------------------
(in thousands)                                     1998            1997          1996
                                                ---------------------------------------
<S>                                             <C>            <C>            <C>
Current:
  Federal                                       $   4,105      $  (1,363)     $  (4,239)
  State                                             1,359          1,054           (189)
                                                ---------      ---------      ---------
  Total current                                     5,464           (309)        (4,428)
                                                ---------      ---------      ---------
Deferred:
  Federal                                          (1,250)         7,279          1,828
  State                                            (1,023)           (19)           433
                                                ---------      ---------      ---------
  Total deferred                                   (2,273)         7,260          2,261
                                                ---------      ---------      ---------
                                                $   3,191      $   6,951      $  (2,167)
                                                =========      =========      =========
</TABLE>


The Company's tax provision  differs from the statutory  rate for Federal income
taxes for the years ended December 31 as follows:

<TABLE>
<CAPTION>
                                                -------------------------------------
(in thousands)                                     1998          1997          1996
                                                -------------------------------------
<S>                                             <C>            <C>            <C>
Statutory rate (35%)                            $ 4,282        $ 7,504         (1,727)
Tax-exempt interest                              (1,369)        (1,582)        (1,912)
State income taxes, net of Federal benefit         (580)           461           (254)
Increase in valuation allowance for
  deferred tax assets                             1,228            325            634
Other non-deductible items                          526            575            785
Other, net                                         (896)          (332)           307
                                                -------        -------        -------
                                                $ 3,191        $ 6,951        $(2,167)
                                                =======        =======        =======
</TABLE>

Total tax deposits made by the Company in 1998, 1997 and 1996 were approximately
$6,870,000, $2,461,000 and $10,320,000, respectively.

NOTE 8 - RISK POOL WITHHOLDINGS

Prior to July 1, 1996,  contracts  with  participating  physicians  allowed  for
withholdings  generally  ranging from 5% to 15% from primary care physicians and
participating  specialists  on  capitation  and  fee-for-service  payments.  The
withheld  amounts  ultimately  paid back to providers is generally less than the
total amount  withheld.  Withheld  liabilities and related medical expenses were
reduced by  $14,535,000  in 1996 to reflect  amounts not returned to  providers.
Commencing   July  1,  1996,  the  Company,   pursuant  to  state  law  changes,
discontinued withholding from payments in substantially all areas of operations.
Amounts placed in such risk pools, in jurisdictions where it is still permitted,
were insignificant in 1998 and 1997.











<PAGE> 45

NOTE 9 - RELATED PARTIES

For the years ended  December 31, 1998,  1997 and 1996,  certain  members of the
Boards  of  Directors  of  MAMSI  and  subsidiary   corporations  who  are  also
participating   physicians  provided  medical  services  to  enrollees  totaling
$4,430,000,   $6,103,000  and   $8,406,000,   respectively,   which   represents
approximately 1% in 1998 and 1997, and 2% in 1996 of payments to all physicians.
Board  members  are  remunerated  at the same  contractual  level  as all  other
participating  physicians  and are  selected  by  enrollees  to  render  medical
services under the same guidelines as all other participating physicians.

NOTE 10 - EMPLOYEE BENEFIT PLANS

PENSION PLANS

The  Company  has a  defined  contribution  401(k)  savings  plan  covering  all
full-time  employees.  Employees  are allowed to  contribute  up to 10% of their
pretax earnings annually and the Company makes a matching contribution of 50% on
the first 4% of contributions  made by employees.  Employees vest immediately in
the  employee   contributions   and  ratably  over  six  years  in  the  Company
contributions.  During 1998,  1997 and 1996, the Company's  contribution  to the
401(k) plan aggregated $681,000, $577,000 and $540,000, respectively.

In accordance with a personal  service contract  negotiated by the Company,  its
former Chairman is entitled to supplemental pension benefits based upon years of
service and attained salary levels.  Expense recognized related to this plan was
$818,000 in 1996. During 1997, the service contract was  renegotiated,  at which
time the  supplemental  pension  benefits package was amended to include a fixed
payment benefit of $450,000 per year for a fixed term of 15 years. The reduction
in pension expense  recognized in 1997 related to this change was  approximately
$1.1 million.  During 1998,  certain one-time  elections which reduced the fixed
benefit payable to $250,000 per year, were made under the agreement which caused
1998 pension expense to be reduced by approximately $880,000.

STOCK OPTION PLANS

In October 1995, the Financial  Accounting  Standards Board issued  Statement of
Financial   Accounting   Standards   No.  123,   "Accounting   for   Stock-Based
Compensation"   ("Statement  123").  Statement  123  prescribes  accounting  and
reporting  standards  for all stock  based  compensation  plans.  Statement  123
requires that the Company  either adopt the fair value method of accounting  for
its stock option plans or continue to apply the  existing  accounting  rules but
provide supplemental pro forma disclosures as if the new rules had been adopted.
The Company elected to follow the existing rules and make the required pro forma
disclosures for the first time, in its 1996 consolidated  financial  statements.
Although  Statement 123 first became effective in 1996, it requires that the pro
forma  disclosures  include  the effects of all awards  granted in fiscal  years
beginning  after  December 15, 1994, the majority of which were issued under the
Company's 1995-1998 stock option plans.

Pro forma  information  regarding net income and earnings per share are required
by Statement  123, and has been  determined  as if the Company had accounted for
its employee  stock options under the fair value method of that  statement.  The
fair  value  for  these  options  was  estimated  at the date of  grant  using a
Black-Scholes   option   pricing  model  with  the  following   weighted-average
assumptions for 1998, 1997 and 1996,  respectively:  risk-free interest rates of
5.6%,  6.4%, and 6.3%;  volatility  factors of the expected  market price of the
Company's  common stock of .42, .42, and .47 and a weighted  average life of the
options of 3 years. The Company anticipates that it will declare no dividends.










<PAGE> 46

The Black-Scholes option valuation model was developed for use in estimating the
fair value of traded  options which have no vesting  restrictions  and are fully
transferable.  In addition,  option valuation models require the input of highly
subjective  assumptions  including the expected stock price volatility.  Because
the  Company's  employee  stock  options  have   characteristics   significantly
different from those of traded  options,  and because  changes in the subjective
input assumptions can materially affect the fair value estimate, in management's
opinion,  the  existing  models do not  necessarily  provide a  reliable  single
measure of the fair value of its employee stock options.

For purposes of pro forma  disclosures,  the estimated fair value of the options
is amortized to expense over the option's  vesting  period.  The  Company's  pro
forma information follows (in thousands except share amounts):

                                                 1998        1997         1996
                                                ------      ------      -------

Pro forma net income (loss)                     $1,502      $9,007      $(8,409)
Pro forma basic earnings (loss) per share          .03         .19         (.18)
Pro forma diluted earnings (loss) per share        .03         .19         (.18)

In each year 1990 through 1996 and 1998, MAMSI implemented a non-qualified stock
option plan  whereby  options for the  purchase of shares of common stock may be
granted to directors,  officers and employees of the Company.  Shares authorized
under the plans total 17,000,000.  Options under the plans generally vest over a
three-year period and are exercisable at 100% of the fair market value per share
on the date the options are granted. The Company accounts for these stock option
grants in accordance with APB 25, and,  accordingly,  recognizes no compensation
expense for these stock option grants.  Transactions relating to the 1990 - 1996
plans and the 1998 plan through 1998 are summarized as follows:








<PAGE> 47


<TABLE>
<CAPTION>
                                              1998                       1997                       1996
                                     -----------------------    -----------------------    -----------------------
<S>                                  <C>            <C>         <C>            <C>         <C>            <C>
                                                    Weighted                   Weighted                   Weighted
                                                    Average                    Average                    Average
                                        1998        Exercise       1997        Exercise       1996        Exercise
                                       Shares        Price        Shares        Price        Shares        Price
                                       ------       --------      ------       --------      ------       --------

Outstanding, January 1               8,099,231      $ 17.76     8,864,021      $ 17.02     7,400,405      $ 14.94
Granted                              6,304,558      $ 14.77     1,128,500      $ 12.79     3,122,371      $ 17.72
Exercised                             (935,425)     $  5.79    (1,061,325)     $  4.58    (1,120,475)     $  5.57
Forfeited                           (5,555,240)     $ 20.34      (831,965)     $ 19.92      (538,280)     $ 20.67
                                     ---------                  ---------                  ---------
Outstanding, December 31             7,913,124      $ 14.98     8,099,231      $ 17.76     8,864,021      $ 17.02
                                     =========                  =========                  =========
Available for grant, end of year     1,766,751                  1,188,744                  1,494,829
Exercisable, end of year             1,608,139                  4,887,992                  4,107,450
Option price range for exercised
  shares                             $4.54-$12.63               $3.29-14.75                $2.58-22.38
Option price range at end of year    $5.00-$27.13               $4.54-28.50                $3.29-28.50
Weighted average fair value of
  options granted during year          $4.49                      $4.26                      $7.32

</TABLE>

<TABLE>
<CAPTION>
                              OPTIONS OUTSTANDING                                         OPTIONS EXERCISABLE
- -----------------------------------------------------------------------------     --------------------------------

                        Outstanding     Weighted-Average                          Exercisable
      Range of             as of           Remaining         Weighted-Average        as of        Weighted-Average
   Exercise Prices      12/31/1998      Contractual Life      Exercise Price      12/31/1998       Exercise Price
- -------------------     -----------     ----------------     ----------------     -----------     ----------------
<S>                     <C>               <C>                   <C>               <C>                <C>
 $5.00 - $10.00           236,337             4.7               $ 7.07                3,750          $ 9.56
$10.01 - $15.00         2,868,341             3.8               $12.70              990,000          $12.74
$15.01 - $20.00         4,609,546             2.4               $16.28              415,489          $18.31
$20.01 - $25.00               900             2.2               $23.75                  900          $23.75
$25.01 - $27.13           198,000             0.3               $27.13              198,000          $27.13
                        ---------         -------               ------            ---------          ------
                        7,913,124             2.9               $14.98            1,608,139          $15.95
                        =========         =======               ======            =========          ======
</TABLE>


On April  15,  1998,  the  Stock  Option  Committee  of the  Company's  Board of
Directors  authorized a voluntary  exchange  ("Exchange")  of all existing stock
options  with an exercise  price of $16.00 or more per share.  Each stock option
that was  voluntarily  tendered  was  replaced  with a newly issued stock option
priced at $16.00 per share.  As a  condition  of the  Exchange,  option  holders
agreed to extend the vesting period for one year. In addition,  the newly issued
stock  options  are  exercisable  for one  additional  year  beyond the  current
expiration  date.  Approximately  4.3 million  options were exchanged for a like
number of newly issued options.

The Company has an incentive  compensation plan whereby managers receive bonuses
based upon the annual operating results of the Company.  During 1998,  incentive
compensation  expense was  approximately  $800,000  which was paid to  employees
below the level of Vice  President.  No  management  bonus was earned in 1997 or
1996.  In  addition,  certain  individuals  receive a cash bonus  based upon the
achievement  of certain  measurable  criteria  other  than the annual  operating
results of the Company. These bonus amounts are not significant.







<PAGE> 48


NOTE 11 - COMMON STOCK

The following table sets forth the computation of basic and diluted earnings per
share:
<TABLE>
<CAPTION>
                                                -----------------------------------------
                                                    1998           1997           1996
                                                -----------------------------------------
<S>                                             <C>            <C>            <C>
Numerator:
  Net income (loss)                             $ 9,045,000    $14,489,000    $(2,768,000)

Denominator:
  Denominator for basic earnings per share
    - weighted average shares                    45,407,006     46,273,484     45,978,864
  Dilutive securities - employee stock options       66,989        612,182              0
  Denominator for diluted earnings per share
    - adjusted weighted average shares           45,473,995     46,885,666     45,978,864

</TABLE>

On August 26, 1996, the Company  established the MAMSI Stock  Compensation Trust
("SCT") to fund its  obligations  arising  from its various  stock  compensation
plans.  MAMSI funded the SCT with 9,130,000  shares of newly issued MAMSI stock.
In exchange,  the SCT has delivered a promissory note to MAMSI for approximately
$129.9 million which  represents the purchase price of the shares.  Amounts owed
by the SCT to  MAMSI  will be  repaid  by  cash  received  by the SCT or will be
forgiven  by MAMSI,  which will  result in the SCT  releasing  shares to satisfy
MAMSI obligations for stock compensation.

On January 11, 1999 the SCT  purchased  an  additional  1,500,000  shares of the
Company's common stock for approximately  $18,000,000.  The existing  promissory
note has been modified to reflect this purchase.

For financial reporting  purposes,  the SCT is consolidated with MAMSI. The fair
market  value  of  the  shares  held  by the  SCT is  shown  as a  reduction  to
stockholders'   equity  in  the  Company's   consolidated   balance  sheet.  All
transactions  between the SCT and MAMSI are eliminated.  The difference  between
the cost and fair  value of  common  stock  held in the SCT is  included  in the
consolidated financial statements as additional paid-in capital. At December 31,
1998, 1997 and 1996, the SCT held 7,023,950,  7,959,375 and 9,020,700  shares of
common stock at a fair market value of  approximately  $68.9,  $101.5 and $120.7
million, respectively.

Shares held by the SCT are excluded from  weighted  average  shares  outstanding
used in the computation of income or loss per common share.

NOTE 12 - COMMITMENTS AND CONTINGENCIES

The  Company  leases  certain  equipment  and  office  space  under the terms of
noncancellable  operating leases that expire at various dates through 2000. Rent
expense relating to these operating leases approximated  $3,502,000,  $3,552,000
and $3,316,000 in 1998, 1997 and 1996, respectively.






<PAGE> 49

Future minimum lease  commitments under  non-cancelable  operating leases are as
follows for the years ended December 31 (in thousands):

1999                   $ 2,907
2000                     1,505
2001                       719
2002                       397
2003                       203
                       -------
                       $ 5,731
                       =======

During the  quarter  ended March 31,  1998,  the  Company  became  involved in a
dispute  with the  Maryland  Insurance  Administration  ("MIA")  concerning  the
construction  and  application  of  Section  15-1008 of the  Maryland  Insurance
Article.  The law  limits  the time  within  which a carrier  may  retroactively
collect money owed by providers to the carrier by using the device of offsetting
future  payments  to  providers  with the  amount  owed by the  provider  to the
carrier.  The law does not affect the right of  carriers  to  otherwise  recover
monies owed. The Company construed the law to be applicable to claims paid on or
after  October  1,  1997.  The MIA  construed  the law to apply  to  retroactive
adjustments made on or after October 1, 1997 and the MIA has ordered the Company
to abide by its construction of the law. The Company has not yet decided whether
to appeal. Management believes that the ultimate outcome of this matter will not
have a material  adverse  effect on the  Company's  financial  statements as the
MIA's current position affects the method of collection of the claims reversals,
rather than the Company's legal right to the refunds.

On February  18, 1999,  certain  providers  filed a class action  lawsuit in the
Circuit Court for Anne Arundel County,  Maryland concerning the construction and
application of Section 15-1008 of the Maryland Insurance Article.  The complaint
requests an  accounting  of claims'  payments,  injunctive  relief and  punitive
damages.  Management  believes that the ultimate outcome of this matter will not
have a material  adverse  effect on the  Company's  financial  statements as the
MIA's current position affects the method of collection of the claims reversals,
rather than the Company's legal right to the refunds.

M.D. IPA contracts with the Office of Personnel Management ("OPM") to provide or
arrange  health  services  under the Federal  Employee  Health  Benefit  Program
("FEHBP"). The contract with OPM and applicable government regulations establish
premium rating  requirements for the FEHBP. The premiums  established  under the
OPM contract are subject to periodic review and audit to determine, if they were
established in compliance with the community rating and other requirements under
the program.

In  September,  1998,  a pretax  charge of  approximately  $16.5  million  which
includes approximately $4.4 million of interest, was recognized in the Company's
financial  statements  in  anticipation  of  negotiations  relating to potential
governmental  claims for contracts with OPM related to an audit conducted by the
Office of Inspector General concerning the Company's  participation in FEHBP for
the years  1992-1997  related to  findings  for years  1992-1994.  In the normal
course of business,  OPM audits  health plans with which it contracts to verify,
among  other  things,  that  the  premiums  calculated  and  charged  to OPM are
established  in  compliance  with the best  price  community  rating  guidelines
established by OPM. OPM typically audits plans once every five or six years, and
each  audit  covers the prior five or six year  period.  While the  government's
initial on-site audits are usually followed by a post-audit  briefing as well as
a preliminary  audit report in which the  government  indicates its  preliminary
results,  final  resolution  and  settlement of the audits can take two to three
years.









<PAGE> 50

In  addition  to claims  made by the OPM  auditors  as part of the normal  audit
process,  OPM may also refer their  results to the United  States  Department of
Justice  ("DOJ") for potential  legal action under the False Claims Act. The DOJ
has the authority to file a claim under the False Claims Act if it believes that
the health plan  knowingly  overcharged  the  government or otherwise  submitted
false  documentation  or  certifications.  In  False  Claims  Act  actions,  the
government  may  impose  trebled  damages  and a civil  penalty of not less than
$5,000 nor more than $10,000 for each separate alleged false claim.

The Company  intends to  negotiate  with OPM on all matters to attain a mutually
satisfactory  result.  There can be no assurance that these negotiations will be
concluded  satisfactorily,  that the audit will not be  referred  to the DOJ, or
that additional,  possibly material, liability will not be incurred. The Company
believes  that any  ultimate  liability in excess of amounts  accrued  would not
materially affect the Company's consolidated  financial position.  However, such
liability could have a material effect on results of operations or cash flows of
a future period if resolved unfavorably.

The Company is involved in other  various  legal  actions  arising in the normal
course of  business,  some of which seek  substantial  monetary  damages.  After
review,  including  consultation  with legal  counsel,  management  believes any
ultimate liability that could arise from these other actions will not materially
effect the Company's consolidated financial position or results of operations.

NOTE 13 - STATUTORY REQUIREMENTS

M.D. IPA, OCI, OCCI and OCIPA are subject to insurance department regulations in
the states in which  they are  licensed.  MAMSI  Life is  subject  to  insurance
department regulations in Maryland, its state of domicile.

Minimum  required  statutory  net worth and  actual  statutory  net worth are as
follows:

                              1998                              1997
                   --------------------------        --------------------------
                     Minimum         Actual            Minimum         Actual
                   ----------     -----------        ----------     -----------
M.D. IPA           $3,000,000     $42,000,000        $3,000,000     $43,300,000
OCI                 3,000,000      56,000,000         3,000,000      49,800,000
MLH                   500,000      34,500,000           500,000      28,300,000
OCCI                2,500,000       2,900,000         2,500,000       1,800,000
OCIPA               1,500,000       2,400,000         1,500,000       2,700,000

M.D.  IPA,  OCI,  OCCI,  OCIPA and  MAMSI  Life were in  compliance  with  state
depository  rules at  December  31,  1998 and 1997.  OCCI failed to meet its net
worth  requirement  of $2.5  million and  working  capital  requirement  of $1.6
million at December 31, 1997. In February, 1998, additional capital was provided
so that each of these  requirements  was met. MAMSI Life was in compliance  with
the applicable  risk-based  capital  requirements  for life and health insurance
companies at December 31, 1998 and 1997,  and M.D. IPA, OCI, OCCI and OCIPA were
in compliance with the applicable newly enacted risk-based capital  requirements
at December  31, 1998.  These MAMSI  subsidiaries  must notify state  regulators
before the payment of any dividends to MAMSI and, in certain circumstances, must
receive positive affirmation prior to such payment.

NOTE 14 - RISK CONCENTRATIONS

Financial  instruments  that  potentially  subject  the  Company to credit  risk
consist  primarily of  investments  in marketable  securities  (including  money
market funds, floating rate municipal putable bonds, intermediate term municipal
bonds, and common stocks) and premiums  receivable.  The Company receives advice
through or assigns direct management of short-term





<PAGE> 51

investments  in  marketable  securities  to  professional   investment  managers
selected for their expertise in various markets,  within guidelines  established
by the Board of Directors.  These guidelines  include broad  diversification  of
investments.  Concentrations  of credit risk and business volume with respect to
commercial  premiums receivable are generally limited due to the large number of
employer groups comprising the Company's customer base. As of December 31, 1998,
approximately  16% of premium and home health service  receivables were due from
federal government agencies.  The Company performs ongoing credit evaluations of
customers and generally does not require collateral.

NOTE 15 - REPORTABLE SEGMENTS

Effective  January  1,  1998,  the  Company  adopted  the  Financial  Accounting
Standards  Board's  Statement  of  Financial   Accounting   Standards  No.  131,
"Disclosures   about  Segments  of  an  Enterprise   and  Related   Information"
("Statement  131").  Statement 131 superseded FASB Statement No. 14,  "Financial
Reporting  for Segments of a Business  Enterprise".  Statement  131  establishes
standards for the way that public business  enterprises report information about
operating  segments  in annual  financial  statements  and  requires  that those
enterprises  report selected  information  about  operating  segments in interim
financial  reports.  The  adoption of  Statement  131 did not affect  results of
operations  or  financial  position,  but did affect the  disclosure  of segment
information.

DESCRIPTION  OF THE TYPES OF PRODUCTS  AND SERVICES  FROM WHICH EACH  REPORTABLE
SEGMENT DERIVES ITS REVENUES

The Company has three reportable  segments:  Commercial risk products,  Medicare
products and Preferred Provider  Organizations  (PPO).  Commercial risk products
include traditional HMO and point of service health care plans as well as hybrid
products.  Traditional  products  provide  for the  provision  of  comprehensive
medical care to enrollees for a fixed,  prepaid premium regardless of the amount
of care provided.  Hybrid  products offer the ability to tailor  employee health
care offerings by varying benefit  designs,  funding methods and insurance risk.
These products combine the use of capitated  physicians to serve as gatekeepers,
employer  funding of specialist and  institutional  claims on an "as paid" basis
with  MAMSI's  underwriting  of risk on a specific  and/or  aggregate  stop loss
basis.  The Medicare  product is health coverage offered to Title XVIII Medicare
recipients.  Under a contractual  arrangement with the United States Health Care
Financing  Administration  ("HCFA"),  the Company receives a monthly premium for
which the Company provides  comprehensive medical coverage to those individuals.
Effective  January  1,  1999,  the  Company  will no longer  participate  in the
Medicare  program.  The PPO product provides a delivery network of physicians to
employers and insurance companies in association with various health plans. PPOs
allow enrollees to receive care from  participating  physicians at contractually
negotiated  rates.  A PPO  does not  assume  any  financial  risk  from  medical
utilization nor does it typically process claims payments to providers.

MEASUREMENT OF SEGMENT PROFIT OR LOSS

The Company  evaluates  performance  and allocates  resources based on profit or
loss from operations  before income taxes, not including gains and losses on the
Company's  investment  portfolio.  The  accounting  policies  of the  reportable
segments  are  the  same  as  those  described  in the  summary  of  significant
accounting policies.

Management  does not allocate  assets in the  measurement  of segment  profit or
loss;  therefore,  jointly  used  assets  are not  allocated  to the  reportable
segments.

FACTORS MANAGEMENT USED TO IDENTIFY THE COMPANY'S REPORTABLE SEGMENTS

The  Company's  reportable  segments  are  business  units that offer  different
products.  The reportable  segments are each managed  separately  because of the
range of benefit plans offered for providing health care coverage to enrollees.





<PAGE> 52

<TABLE>
<CAPTION>

REPORTABLE SEGMENTS
                                                       -----------------------------------------------------------------
(in thousands)                                            Risk       Medicare        PPO        All Other       Totals
                                                       -----------------------------------------------------------------
<S>                                                    <C>            <C>          <C>          <C>           <C>
Year ended December 31, 1998:

Revenue from external customers                        $1,040,701     $46,414      $20,501      $ 63,971      $1,171,587

Segment profit (loss)                                      13,251      (6,778)      10,748           519          17,740

                                                       -----------------------------------------------------------------
(in thousands)                                            Risk       Medicare        PPO        All Other       Totals
                                                       -----------------------------------------------------------------
Year ended December 31, 1997:

Revenue from external customers                        $  917,613     $53,665      $18,351      $106,983      $1,096,612

Segment profit (loss)                                       7,282     (14,799)       9,543         5,095           7,121

                                                       -----------------------------------------------------------------
(in thousands)                                            Risk       Medicare        PPO        All Other       Totals
                                                       -----------------------------------------------------------------
Year ended December 31, 1996:

Revenue from external customers                        $  878,060     $55,542      $16,376      $169,380      $1,119,358

Segment profit (loss)                                        (743)    (25,555)       9,171        (2,048)        (19,175)

</TABLE>

The sources of revenue included in the All Other category are composed primarily
of  Medicaid  and  miscellaneous.  All  revenue is  generated  within the United
States.

<TABLE>
<CAPTION>
                                                                --------------------------------------------
(in thousands)                                                     1998              1997             1996
                                                                --------------------------------------------
<S>                                                             <C>              <C>              <C>
Revenues

Total external revenues for reportable segments                 $1,107,616       $  989,629       $  949,978

Other revenues                                                      63,971          106,983          169,380

Investment revenue not allocated                                    10,622           15,041           14,384

Gain on sale of real estate                                          5,692
                                                                ----------       ----------       ----------
     Total consolidated revenues                                $1,187,901       $1,111,653       $1,133,742
                                                                ==========       ==========       ==========

Pretax Profit or Loss

Total profit or loss from reportable segments                   $   17,221       $    2,026       $  (17,127)

Other profit or loss                                                   519            5,095           (2,048)

Net investment income not allocated                                 10,091           14,319           14,240

Gain on sale of real estate                                          5,692

Federal Employee Health Benefit Program
 potential settlement                                              (16,500)

Loss on retirement of equipment                                     (4,787)
                                                                ----------       ----------       ----------
     Total consolidated pretax profit (loss)                    $   12,236       $   21,440       $   (4,935)
                                                                ==========       ==========       ==========
</TABLE>







<PAGE> 53

NOTE 16 - COMPREHENSIVE INCOME

As  of  January  1,  1998,  the  Company  adopted   Statement  130,   "Reporting
Comprehensive Income". Statement 130 establishes new rules for the reporting and
display of  comprehensive  income and its components;  however,  the adoption of
this  statement  had no  impact on the  Company's  net  income or  stockholders'
equity.  Statement  130 requires  unrealized  gains and losses on the  Company's
available-for-sale  securities,  which  prior  to  the  adoption  were  reported
separately  in the  stockholders'  equity to be included in other  comprehensive
income. Prior year financial statements have been reclassified to conform to the
requirements of Statement 130.

Changes  in  accumulated  other  comprehensive  income  related  to  changes  in
unrealized gains (losses) on securities net-of-tax were as follows:

<TABLE>
<CAPTION>
                                                                -----------------------------------------
(in thousands)                                                    1998             1997             1996
                                                                -----------------------------------------
<S>                                                             <C>              <C>              <C>

Unrealized holding gains arising during period                  $ 2,055          $ 5,573          $ 2,296

Less: Reclassification adjustment for
  net gains included in net income                                1,688            4,892            3,566
                                                                -------          -------          -------

Net unrealized gain (loss) recognized in
 other comprehensive income                                     $   367          $   681          $(1,270)
                                                                =======          =======          =======
</TABLE>




<PAGE> 54
















                         Report of Independent Auditors

Board of Directors and Stockholders
Mid Atlantic Medical Services, Inc.


We have audited the  accompanying  consolidated  balance  sheets of Mid Atlantic
Medical  Services,  Inc. and  subsidiaries as of December 31, 1998 and 1997, and
the related  consolidated  statements of  operations,  changes in  stockholders'
equity and cash flows for each of the three years in the period  ended  December
31, 1998. Our audits also included the financial  statement  schedule  listed in
the  Index at Item  14(a).  These  financial  statements  and  schedule  are the
responsibility of the Company's management.  Our responsibility is to express an
opinion on these financial statements and schedule based on our audits.

We have  conducted our audits in accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly, in all material  respects,  the consolidated  financial  position of Mid
Atlantic Medical Services,  Inc. and subsidiaries at December 31, 1998 and 1997,
and the  consolidated  results of their operations and their cash flows for each
of the three years in the period ended  December 31, 1998,  in  conformity  with
generally  accepted  accounting  principles.  Also, in our opinion,  the related
financial  statement  schedule,  when  considered  in relation to the  financial
statements  taken as a whole,  presents  fairly  in all  material  respects  the
information set forth therein.


                                          /s/ Ernst & Young LLP
                                          ----------------------
                                          Ernst & Young LLP



Washington, D.C.
February 24, 1999





<PAGE> 55


SELECTED QUARTERLY FINANCIAL DATA FOR FISCAL YEARS 1998 AND 1997 

<TABLE>
<CAPTION>
                                    1998      1998      1998      1998      1997      1997      1997      1997
                                    First    Second     Third    Fourth     First    Second     Third    Fourth
                                   Quarter   Quarter   Quarter   Quarter   Quarter   Quarter   Quarter   Quarter
                                   -------   -------   -------   -------   -------   -------   -------   -------
                                                             (in thousands except share amounts)
                                                                           (unaudited)
<S>                                <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>

Revenue                            $289,502  $294,225  $299,546  $304,628  $283,165  $282,443  $269,875  $276,170
Expense                             278,843   288,496   310,685   297,641   281,856   278,014   262,685   267,658

Income (loss) before income taxes    10,659     5,729   (11,139)    6,987     1,309     4,429     7,190     8,512
Net income (loss)                     6,690     3,585    (6,743)    5,513       806     2,788     4,726     6,169

Basic earnings (loss) per share         .14       .08      (.15)      .13       .02       .06       .10       .13
Diluted earnings (loss) per share       .14       .08      (.15)      .13       .02       .06       .10       .13

</TABLE>



ITEM  9.  CHANGES  IN AND  DISAGREEMENTS  WITH  ACCOUNTANTS  ON  ACCOUNTING  AND
FINANCIAL DISCLOSURE

None.







<PAGE> 56


                                          Part III


ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The information required by this item is incorporated by reference to "Directors
and Executive  Officers" in the Proxy  Statement for MAMSI's  annual  meeting of
shareholders to be held on April 26, 1999.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this item is incorporated by reference to "Directors
and Executive  Officers -- Directors'  Compensation"  and "Executive  Management
Compensation"  in the Proxy Statement for MAMSI's annual meeting of shareholders
to be held on April 26, 1999.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The  information  required by this item is  incorporated  by reference to "Stock
Owned by Management"  and "Principal  Stockholders"  in the Proxy  Statement for
MAMSI's annual meeting of shareholders to be held on April 26, 1999.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The information required by this item is incorporated by reference to "Executive
Management  Compensation"  in the Proxy  Statement for MAMSI's annual meeting of
shareholders to be held on April 26, 1999.





<PAGE> 57


                                     PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a)(1)
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS                        PAGE
                                                                  ----
Consolidated Balance Sheets as of December 31, 1998 and 1997 ...    31
Consolidated Statements of Operations for the years ended
  December 31, 1998, 1997 and 1996 .............................    32
Consolidated Statements of Changes in Stockholders' Equity
  for the years ended December 31, 1998, 1997 and 1996 .........    33
Consolidated Statements of Cash Flows for the years ended
  December 31, 1998, 1997 and 1996 .............................    34
Notes to Consolidated Financial Statements .....................    35
Report of Ernst & Young LLP Independent Auditors ...............    54

(a)(2) and (d)
INDEX TO FINANCIAL STATEMENT SCHEDULE                             PAGE
                                                                  ----
II - Valuation and Qualifying Accounts as of December 31,
       1998, 1997 and 1996 .....................................    58

All other  schedules for which  provision is made in the  applicable  accounting
regulations of the Securities and Exchange  Commission are omitted  because they
are not required under the related instructions or are inapplicable.





<PAGE> 58

                          Mid Atlantic Medical Services, Inc.
                  Schedule II - Valuation and Qualifying Accounts
                              (in thousands)
<TABLE>
<CAPTION>
                                          Additions
                Balance at     ------------------------------
                Beginning        Charged to      Charged to                      Balance
                    of              Costs          Other        Deductions-       at End
Description       Period        and Expenses      Accounts      Write-Offs      of Period
- -----------     ----------     -------------     ----------     -----------     ---------
<S>             <C>            <C>               <C>            <C>             <C>

DEDUCTED FROM ASSET ACCOUNTS:

YEAR ENDED DECEMBER 31, 1996
Allowance for doubtful accounts - accounts receivable

                $  3,638       $                 $  1,756(1)    $    (28)       $  5,366
                ========       ========          ========       ========        ========

Valuation allowance - deferred tax assets

                $    128       $                 $    634       $               $    762
                ========       ========          ========       ========        ========

YEAR ENDED DECEMBER 31, 1997
Allowance for doubtful accounts - accounts receivable

                $  5,366       $                 $    (93)(1)   $    (93)       $  5,180
                ========       ========          ========       ========        ========

Valuation allowance - deferred tax assets

                $    762       $                 $    325       $    (25)       $  1,062
                ========       ========          ========       ========        ========

YEAR ENDED DECEMBER 31, 1998
Allowance for doubtful accounts - accounts receivable

                $  5,180       $    143          $   (309)(1)   $    200        $ 5,214
                ========       ========          ========       ========        =======

Valuation allowance - deferred tax assets

                $  1,062       $  1,228          $              $               $ 2,290
                ========       ========          ========       ========        =======

</TABLE>

(1) The changes to the allowance were charged to premium revenue.







<PAGE> 59

(a)(3)
EXHIBITS

See the Exhibit Index on pages 62-63 of this Form 10-K.

(b)
REPORTS ON FORM 8-K

None.





<PAGE> 60

                                SIGNATURES

Pursuant to the  requirements  of Section 13 or 15(d) of the  Exchange  Act, the
registrant  has caused  this  report to be signed on its  behalf by  undersigned
thereunto duly authorized.


      MID ATLANTIC MEDICAL SERVICES, INC. ("MAMSI")
      (Registrant)

      By: /s/ Mark D. Groban, M.D.                  3/29/99
         --------------------------------------------------
         Mark D. Groban, M.D.                          Date
         Chairman of the Board and Director

Pursuant to the  requirements  of the Exchange  Act, this report has been signed
below by the following persons on behalf of the registrant and in the capacities
and on the dates indicated.


      By: /s/ Thomas P. Barbera                     3/29/99
         --------------------------------------------------
         Thomas P. Barbera                           Date
         Vice Chairman of the Board, President,Chief Executive Officer and
         Director

      By: /s/ Francis C. Bruno, M.D.                3/29/99
         ---------------------------------------------------
         Francis C. Bruno, M.D.                       Date
         Director

      By: /s/ John H. Cook, III, M.D.               3/29/99
         ---------------------------------------------------
         John H. Cook, III, M.D.                      Date
         Director

      By: /s/ Raymond H. Cypess, D.V.M., Ph.D.      3/29/99
         ---------------------------------------------------
         Raymond H. Cypess, D.V.M., Ph.D.             Date
         Director

      By: /s/ Stanley M. Dahlman, Ph.D.             3/29/99
         --------------------------------------------------
         Stanley M. Dahlman, Ph.D.                    Date
         Director

      By: /s/ Robert E. Foss                        3/29/99
         --------------------------------------------------
         Robert E. Foss                                Date
         Senior Executive Vice President and Chief Financial Officer and
         Director
         (Principal Financial Officer)

      By: /s/ Mark D. Groban, M.D.                  3/29/99
         --------------------------------------------------
         Mark D. Groban, M.D.                          Date
         Chairman of the Board and Director
         (Principal Executive Officer)

      By: /s/ Christopher E. Mackail                3/29/99
         --------------------------------------------------
         Christopher E. Mackail                        Date
         Senior Vice President, Controller and Chief Accounting Officer
         (Principal Accounting Officer)

      By: /s/ John P. Mamana, M.D.                  3/29/99
         --------------------------------------------------
         John P. Mamana, M.D.                          Date
         Director










<PAGE> 61


      By: /s/ William M. Mayer, M.D.                3/29/99
         --------------------------------------------------
         William M. Mayer, M.D.                        Date
         Director

      By: /s/ Edward J. Muhl                        3/29/99
         --------------------------------------------------
         Edward J. Muhl                                Date
         Director

      By: /s/ Gretchen P. Murdza                    3/29/99
         --------------------------------------------------
         Gretchen P. Murdza                            Date
         Chief Executive Officer of Homecare and Pharmacy
         Subsidiaries and Director

      By: /s/ James A. Wild                         3/29/99
         --------------------------------------------------
         James A. Wild                                 Date
         Director







<PAGE> 62

(a)(3), (b) and (c) List of Exhibits.


<TABLE>
<CAPTION>
                                  EXHIBIT INDEX
                                                                             Location of Exhibit
Exhibit                                                                        in Sequential
Number     Description of Document                                             Numbering System
- -------    -----------------------                                           -------------------
<S>        <C>                                                               <C>
 3.1       Copy of Certificate of Incorporation of MAMSI dated
           October 7, 1986..........................................................(1)
 3.2       Copy of Certificate of Amendment of MAMSI Certificate of
           Incorporation dated April 23, 1990.......................................(4)
 3.3       Amended and Restated By-laws of MAMSI as of February 25, 1999............
 3.4       Copy of Certificate of Amendment of MAMSI Certificate of
           Incorporation dated June 2, 1994.........................................(4)
10.5       Copy of Agreement between M.D. IPA and the United States
           Secretary of Health and Human Services dated December 20, 1985...........(1)
10.20      Copy of Amendments to Agreement between M.D. IPA and the United
           States Secretary of Health and Human Services dated December 24, 1987....(3)
10.26      1990 Non-Qualified Stock Option Plan.....................................(4)
10.27      Copy of 1990 Non-Qualified Stock Option Letter sent to Key Employees.....(4)
10.32      Copy of Contract between George T. Jochum and M.D. IPA for the period
           January 1, 1991 through January 1, 1994..................................(4)
10.35      1991 Non-Qualified Stock Option Plan.....................................(4)
10.36      Copy of 1991 Non-Qualified Stock Option Letter sent to Key Employees.....(4)
10.41      Copy of Agreement between M.D. IPA and Surgical Care Affiliates, Inc.,
           dated April 22, 1985.....................................................(4)
10.44      1992 Non-Qualified Stock Option Plan.....................................(4)
10.45      Copy of 1992 Non-Qualified Stock Option Letter sent to Key Employees.....(4)
10.48      Equipment Term Loan Agreement with Signet Bank dated March 25, 1991......(4)
10.50      Amendment to Revolving Loan Agreement with Signet Bank dated
           June 19, 1991............................................................(4)
10.53      Amendments to the Stock Option Plans effective May 15, 1991..............(4)
10.54      Summary Plan Description of the Employees Cash or Deferred Profit
           Sharing (401k) Plan dated October, 1991..................................(4)
10.55      Defined Benefit Plan Agreement with the Principal Financial Group which
           was approved September 12, 1991..........................................(4)
10.57      Mortgage and Loan Agreement with Aid Association for Lutherans dated
           October 4, 1990..........................................................(4)
10.60      1993 Non-Qualified Stock Option Plan.....................................(11)
10.61      1993 Non-Qualified Stock Option Letter Sent to Key Employees.............(11)
10.62      1992 Amendment to Employment Agreement Between George T. Jochum and
           the Company..............................................................(11)
10.65      Agreement to Purchase 2301 Research Boulevard dated September 30, 1993...(2)
10.66      1994 Management Bonus Program............................................(3)
10.67      1994 Non-Qualified Stock Option Plan.....................................(3)
10.68      1994 Non-Qualified Stock Option Letter sent to Key Employees.............(3)
10.69      Revolving Loan Agreement with Signet Bank dated September 30, 1993.......(3)
10.71      Agreement between OCI and the State of Maryland governing the Medical
           Assistance Program ("Medicaid") dated August 5, 1993.....................(3)
10.72      List of States in which MAMSI Life is Licensed to Operate................(3)
10.73      1995 Management Bonus Program............................................(4)
10.74      1995 Non-Qualified Stock Option Plan.....................................(4)
10.75      1995 Non-Qualified Stock Option Plan letter sent to Key Employees........(4)
10.76      Agreement between OCI and the Commonwealth of Virginia governing the
           Medical Assistance Program ("Medicaid") dated May 27, 1994...............(4)
10.77      1995 Amendment to Employment Agreement between George T. Jochum and
           the Company..............................................................(5)
10.78      1996 Management Bonus Program............................................(5)
10.79      1996 Non-Qualified Stock Option Plan.....................................(5)
10.80      Form of Agreement between MAMSI and Employees Granting Options
           under the 1996 Non-Qualified Stock Option Plan...........................(5)
10.81      Form of Agreement between MAMSI and George T. Jochum Granting Options
           under the 1996 Non-Qualified Stock Option Plan...........................(5)
10.82      Form of Agreement between MAMSI and Non-Employee Directors Granting
           Options under the 1996 Non-Qualified Stock Option Plan...................(5)
10         Amended and Restated Compensation Trust Agreement dated
           December 20, 1996........................................................(7)
10.1       Amended and Restated Common Stock Purchase Agreement dated
           December 20, 1996........................................................(7)
10.2       Replacement Promissory Note dated December 20, 1996......................(7)
10.83      1997 Management Bonus Program............................................(8)






<PAGE> 63

10.84      Form of Non-Qualified Stock Option Agreement for Options Granted
           under 1991, 1992, 1993, 1994 and 1995 Non-Qualified Stock Option Plan....(9)
10.85      Agreement of Purchase of Real Property by Mid-Atlantic
           Medical Services, Inc....................................................(10)
10.86      1997 Amendment to Employment Agreement between George T. Jochum
           and the Company..........................................................(11)
10.87      1998 Non-Qualified Stock Option Plan.....................................(11)
10.88      1998 Senior Management Bonus Plan........................................(11)
10.89      1998 Management Bonus Plan...............................................(11)
10.90      Amendment to 1994 Non-Qualified Stock Option Plan........................(11)
10.91      Amendment to 1995 Non-Qualified Stock Option Plan........................(11)
10.92      Amendment to 1996 Non-Qualified Stock Option Plan........................(11)
10.93      1999 Employment Agreement Between George T. Jochum and the Company.......(11)
10.94      Form of Agreement between MAMSI and Employees Granting Options
           under the 1998 Non-Qualified Stock Option Plan...........................(12)
10.95      Form of Agreement between MAMSI and George T. Jochum Granting Options
           under the 1998 Non-Qualified Stock Option Plan...........................(12)
10.96      Form of Agreement between MAMSI and Non-Employee Directors Granting
           Options under the 1998 Non-Qualified Stock Option Plan...................(12)
10.97      Memorandum to Employees and Form for Election Of Exchange
           and Repricing of Stock Options...........................................(12)
10.98      Agreement of Purchase and Sale of Real Estate............................(13)
10.981     1999 Non-Qualified Stock Option Plan.....................................
10.982     1999 Senior Management Bonus Plan........................................
10.983     1999 Management Bonus Plan...............................................
10.984     Amended and Restated Stock Compensation Trust Agreement
           dated January 11, 1999...................................................
10.985     Common Stock Purchase Agreement dated January 11, 1999...................
10.986     Allonge to Replacement Promissory Note dated January 11, 1999............
10.987     Employment Agreement between the Company and Mark D. Groban..............
10.988     Employment Agreement between the Company and Thomas P. Barbera...........
10.989     Employment Agreement between the Company and Robert E. Foss..............
10.990     Form of Executive Employment Agreement between the Company
           and Executive Staff......................................................
10.991     Form of Agreement between MAMSI and Employees Granting Options
           under the 1999 Non-Qualified Stock Option Plan...........................
10.992     Form of Agreement between MAMSI and Non-Employee Directors Granting
           Options under the 1999 Non-Qualified Stock Option Plan...................
21         Subsidiaries of the Company..............................................
23         Consent of Independent Auditors..........................................
27         Financial Data Schedule..................................................
</TABLE>

(1) Incorporated by reference to exhibits filed with the Company's  Registration
Statement filed under the Securities Act of 1933 on Form S-4  (Registration  No.
33-9803).

(2)  Incorporated  by reference to exhibits  filed with the Company's  Quarterly
Report  filed  under the  Securities  Exchange  Act of 1934 on Form 10-Q for the
Quarterly Period Ended September 30, 1993.

(3) Incorporated by reference to exhibits filed with the Company's Annual Report
filed under the Securities Exchange Act of 1934 on Form 10-K for the fiscal year
ended December 31, 1993.

(4) Incorporated by reference to exhibits filed with the Company's Annual Report
filed under the Securities Exchange Act of 1934 on Form 10-K for the fiscal year
ended December 31, 1994.

(5)  Incorporated  by reference to exhibits  filed with the Company's  Quarterly
Report filed under the  Securities  Exchange Act on Form 10-Q for the  Quarterly
Period Ended March 31, 1995.

(6) Incorporated by reference to exhibits filed with the Company's Annual Report
filed under the Securities Exchange Act of 1934 on Form 10-K for the fiscal year
ended December 31, 1995.

(7)  Incorporated  by reference to exhibits  filed with the Company's  Quarterly
Report filed under the Securities  Exchange Act on Form 10-Q/A for the Quarterly
Period Ended September 31, 1996.

(8) Incorporated by reference to exhibits filed with the Company's Annual Report
filed under the Securities Exchange Act of 1934 on Form 10-K for the fiscal year
ended December 31, 1996.




<PAGE> 64

(9)  Incorporated  by reference to exhibits  filed with the Company's  Quarterly
Report filed under the  Securities  Exchange Act on Form 10-Q for the  Quarterly
Period Ended March 31, 1997.

(10)  Incorporated  by reference to exhibits filed with the Company's  Quarterly
Report filed under the  Securities  Exchange Act on Form 10-Q for the  Quarterly
Period Ended June 30, 1997.

(11)  Incorporated  by reference  to exhibits  filed with the  Company's  Annual
Report  filed  under the  Securities  Exchange  Act of 1934 on Form 10-K for the
fiscal year ended December 31, 1997.

(12)  Incorporated  by reference to exhibits filed with the Company's  Quarterly
Report filed under the  Securities  Exchange Act on Form 10-Q for the  quarterly
Period March 31, 1998.

(13)  Incorporated  by reference to exhibits filed with the Company's  Quarterly
Report filed under the  Securities  Exchange Act on Form 10-Q for the  Quarterly
Period Ended September 30, 1998.












                          AMENDED AND RESTATED BY-LAWS
                                       OF
                       MID ATLANTIC MEDICAL SERVICES, INC.
                               AS OF MARCH 9, 1999

                                     OFFICES

         SECTION 1.1 PRINCIPAL OFFICE. - The principal office of the corporation
shall be at 4 Taft Court,  Rockville,  Maryland 20850. The principal  address of
the corporation in Delaware is 229 South State Street, Dover, Delaware 19901.

     SECTION 1.2 OTHER OFFICES.  - The  corporation  may have such other offices
and places of  business  within or without the State of Delaware as the Board of
Directors shall determine.

                                  STOCKHOLDERS

         SECTION 2.1 PLACE OF MEETINGS.  - Meetings of the  stockholders  may be
held at such place or places within or without the State of Delaware as shall be
fixed by the Board of Directors and stated in the notice of the meeting.

         SECTION 2.2 ANNUAL MEETING. - An annual meeting of stockholders for the
election of directors and the transaction of such other business as may properly
come before the meeting  shall be held within five months after the close of the
fiscal year of the corporation.

         SECTION 2.3 SPECIAL  MEETINGS.  - Special  meetings of the stockholders
for any  purpose(s)  may be called by the Board of Directors or by the President
stating the purpose(s) of the meeting. No matters, except those set forth in the
notice of special meeting, may be considered at the special meeting.

         SECTION 2.4 NOTICE OF  MEETINGS.  - Notice  stating the time and place,
and in the case of a special meeting the purpose(s)  thereof and by whom called,
shall  be  delivered  to each  stockholder  entitled  to  vote,  not  less  than
twenty-five (25) nor more than sixty (60) days prior to the meeting.  If mailed,
notice shall be directed to each such  stockholder  at his address as it appears
on the  records of the  stockholders  of the  corporation,  unless he shall have
previously  filed with the Secretary of the  corporation a written  request that
notices intended for him be mailed to some other address, in which case it shall
be mailed to the address  designated in the request.  Notice of any meeting need
not be given to any  person  who may become a  stockholder  of record  after the
mailing  of such  notice and prior to the  meeting,  or to any  stockholder  who
attends such meeting,  in person or by proxy,  for purposes other than solely to
object to the lack of proper notice,  or to any stockholder who, in person or by
proxy,  submits a signed  waiver of notice  either before or after such meeting.
Notice of any  adjourned  meeting  of  stockholders  need not be  given,  unless
otherwise required by statute.

         SECTION  2.5  QUORUM  AND  ACTION.  - (a) At any duly held  meeting  of
stockholders,  the  presence in person or by proxy of  stockholders  entitled to
cast a  majority  of the votes  thereat  shall  constitute  a quorum,  except as
otherwise provided by law or the Certificate of Incorporation.

         (b) A majority of the votes cast at a duly held meeting of stockholders
at which a quorum is present (stockholders  represented by proxy shall be deemed
present)  shall be sufficient to take or authorize  action upon any matter which
may  properly  come  before the  meeting,  unless a greater  vote,  or voting by
classes,  is required by law or by the Certificate of  Incorporation or by these
By-Laws on any  question,  and except that,  in elections  of  directors,  those
receiving the greatest  number of votes shall be deemed  elected even though not
receiving a majority.

         Notwithstanding  the above,  at all meetings of the  stockholders,  any
newly created directorship  resulting from any increase in the authorized number
of directors by action of the stockholders may be filled by the affirmative vote
of  three-quarters  (3/4) of the votes cast at the  meeting.  Any vacancy in the
Board of Directors resulting from the resignation of a director or for any other
cause other than the removal of a director by the  stockholders may be filled by
the affirmative vote of the plurality of the votes cast at the meeting.

         SECTION 2.6 VOTING. - At each meeting of the stockholders, every holder
of stock then entitled to vote may vote in person or by proxy and, except as may
be otherwise  provided by the Certificate of Incorporation,  shall have one vote
for each share of stock  registered  in his name.  No proxy shall be valid after
eleven  (11) months from the date of its  execution,  unless a longer  period is
provided for in the proxy.  Proxies  shall be exhibited to the  Secretary at the
meeting and filed with the records of the corporation.

         SECTION  2.7  ADJOURNED   MEETINGS.   -  Any  duly  called  meeting  of
stockholders may, by announcement thereat, be adjourned to a designated time and
place by the  vote of the  holders  of a  majority  of the  shares  present  and
entitled to vote  thereat,  even  though less than a quorum is so present.  If a
meeting is  adjourned  to another  time,  not more than thirty days  thereafter,
and/or to another  place,  and if an  announcement  of the adjourned time and/or
place is made at the  meeting,  it shall not be  necessary to give notice of the
adjourned meeting unless the Board of Directors, after adjournment,  fixes a new
record date for the adjourned meeting.

     SECTION 2.8 ACTION BY WRITTEN CONSENT IN LIEU OF MEETING OF STOCKHOLDERS. -
See Section 6.6 of the By-Laws.

         SECTION 2.9 NEW  BUSINESS  AND  NOMINATIONS.  - (a) Only such  business
shall be conducted  as shall have been  brought  before the meeting (i) by or at
the  direction  of the Board of  Directors,  or (ii) by any  stockholder  of the
corporation  who is entitled to vote with respect  thereto and who complies with
the notice procedures set forth in this Section 2.9. For business to be properly
brought  before an annual meeting by a stockholder,  the  stockholder  must have
given timely notice thereof in writing to the Secretary of the  corporation.  To
be timely, a stockholder's notice must be delivered or mailed to and received at
the principal  executive  offices of the  corporation  not less than thirty (30)
days prior to the date of the annual meeting;  provided,  however,  that, in the
event that less than forty (40) days' notice or prior public  disclosure  of the
date of the meeting is given or made to stockholders,  notice by the stockholder
to be timely must be received  not later than the close of business on the tenth
(10th)  day  following  the day on which  such  notice of the date of the annual
meeting was mailed or such public disclosure was made.

         A  stockholder's  notice  to the  Secretary  shall set forth as to each
matter such stockholder  proposes to bring before the annual meeting (i) a brief
description of the business  desired to be brought before the annual meeting and
the reasons for conducting  such business at the annual  meeting,  (ii) the name
and  address,  as they appear on the  corporation's  books,  of the  stockholder
proposing such business, (iii) the class and number of the corporation's capital
stock that are  beneficially  owned by such  stockholder,  and (iv) any material
interest of such stockholder in such business.

         Notwithstanding  anything in these Bylaws to the contrary,  no business
shall be brought  before or conducted at an annual  meeting except in accordance
with the provisions of this Section  2.9(a).  The officer of the  corporation or
other person  presiding over the annual meeting shall,  if the facts so warrant,
determine  and declare to the meeting that  business  was not  properly  brought
before the meeting in accordance with the provisions of this Section 2.9(a) and,
if he or she should so determine,  he or she shall so declare to the meeting and
any such business so determined  to be not properly  brought  before the meeting
shall not be transacted.  This provision shall not prevent the consideration and
approval or  disapproval  at the annual  meeting of  stockholders  of reports of
officers,  directors,  and committees,  but, in connection with such reports, no
new business  shall be acted upon at such annual meeting unless stated and filed
as herein provided.

         (b) At any  special  meeting of the  stockholders,  only such  business
shall be conducted  as shall have been  brought  before the meeting by or at the
direction of the Board of Directors.

         (c) Only persons who are  nominated in accordance  with the  procedures
set  forth  in these  Bylaws  shall  be  eligible  for  election  as  directors.
Nominations of persons for election to the Board of Directors of the corporation
may be made at a meeting of  stockholders  at which  directors are to be elected
only  (i) by or at the  direction  of the  Board  of  Directors,  or (ii) by any
stockholder of the corporation entitled to vote for the election of directors at
the meeting who complies  with the notice  procedures  set forth in this Section
2.9(c).  Such  nominations,  other than those made by or at the direction of the
Board of  Directors,  shall be made by timely notice in writing to the Secretary
of the corporation.  To be timely, a stockholder's  notice shall be delivered or
mailed to and received at the principal executive offices of the corporation not
less than thirty (30) days prior to the date of the meeting; provided,  however,
that, in the event that less than forty (40) days' notice or prior disclosure of
the  date  of the  meeting  is  given  or made to  stockholders,  notice  by the
stockholder  to be  timely  must be so  received  not  later  than the  close of
business on the tenth (10th) day  following  the day on which such notice of the
date of the meeting was mailed or such public disclosure was made.

         Such  stockholder's  notice  shall set forth (i) as to each person whom
such stockholder proposes to nominate for election or re-election as a director,
all  information  relating to such person  that is required to be  disclosed  in
solicitations of proxies for election of directors, or is otherwise required, in
each case pursuant to Regulation 14A under the Securities  Exchange Act of 1934,
as amended  (including such person's written consent to being named in the proxy
statement as a nominee and to serving as a director if elected);  and (ii) as to
the  stockholder  giving the notice (A) the name and address,  as they appear on
the corporation's  books, of such  stockholder,  and (B) the class and number of
shares of the  corporation's  capital stock that are beneficially  owned by such
stockholder.  At the request of the Board of Directors,  any person nominated by
the Board of Directors for election as a director shall furnish to the Secretary
of the corporation  the information  required to be set forth in a stockholder's
notice of nomination that pertains to the nominee.

         No  person  shall  be  eligible  for  election  as a  director  of  the
corporation  unless  nominated in accordance with the provisions of this Section
2.9(c).  The officer of the corporation or other person presiding at the meeting
shall,  if the facts so warrant,  determine  that a  nomination  was not made in
accordance with such provisions and, if he or she should so determine, he or she
shall  so  declare  to  the  meeting  and  the  defective  nomination  shall  be
disregarded.

                                    DIRECTORS

         SECTION 3.1 NUMBER AND QUALIFICATION.  (a) The first Board of Directors
shall be comprised of  twenty-three  (23)  directors  who shall serve a one-year
term and until their  successors  are elected and  qualified at the first annual
meeting.  Thereafter,  the  number  of  directors  shall be set by the  Board of
Directors;  provided,  however,  that,  except for the first Board, the Board of
Directors shall be comprised of no more than fourteen (14) and no less than five
(5)  directors,  each of whom shall serve a three-year  staggered term and until
his or her successor is elected and qualified.

         Notwithstanding the above, if the Board of Directors elects a Chairman,
pursuant to Sections 4.1 and 4.3 of the By-Laws, and/or a President, pursuant to
Sections 4.1 and 4.4 of these  By-Laws,  said Chairman  and/or  President  shall
automatically  become  a  director  of  the  corporation.  The  Chairman  and/or
President  shall remain a director only as long as he or she continues to be the
Chairman and/or President of the Corporation.  As provided for in Section 4.1 of
the By-Laws,  the Chairman and the President  hold office at the pleasure of the
Board, and may be removed and/or replaced at any time, with or without cause.

         (b) Upon the election  qualification of the successor  directors to the
first  Board of  Directors,  the  successor  directors  shall be  elected by the
stockholders at the first stockholder meeting in members as equally as possible,
into three groups.  Group A directors will have a term of office  expiring after
one year and until the election and  qualification of their successors chosen at
the next annual  shareholders  meeting  ensuing;  Group B directors shall have a
term of  office  expiring  one  year  thereafter  and  until  the  election  and
qualification of their successors; Group C directors shall have a term of office
expiring two years thereafter and until the election and  qualification of their
successors.

         (c) Each  successor  to a Group A, B, and C director  shall hold office
until the third annual meeting of the stockholders next succeeding his election,
and until his  successor  is elected and  qualified,  or until his prior  death,
resignation  or  removal;  except  however,  if  additional   directorships  are
established,  the initial term for such  directorships  shall be for one or more
years not greater than three as determined by the Board of Directors in order to
ensure that  approximately  one-third  (1/3) of all the directors are elected at
each annual meeting of the stockholders.

         (d)  Notwithstanding the above, an individual is not qualified to serve
as a  director  if the  individual  is  concurrently  also a  director  of  M.D.
Individual Practice  Association,  Inc., and Physicians Health Plan of Maryland,
Inc.

         SECTION 3.2 POWERS. - The management of all the business,  property and
affairs of the corporation shall be vested in the Board of Directors.  The Board
may  exercise  all of the powers of the  corporation  and do all lawful acts and
things  (including the adoption of such rules and regulations for the conduct of
its meetings, the exercise of its powers, and the management of the corporation,
as it may deem proper),  consistent with the Delaware  General  Corporation law,
the Articles of Incorporation, and these By-Laws, and not thereby conferred upon
or reserved to the stockholders.

         SECTION 3.3  MEETINGS.  - The annual  meeting of the Board of Directors
may be held  without  notice  within four (4) weeks after the annual  meeting of
stockholders. Regular meetings and the time and place of regular meetings of the
Board may be established by the Board. If the Board of Directors fixes a regular
meeting  at a time  more than four (4) weeks  after the  annual  meeting  of the
stockholders,  or changes  the time or place of any regular  meeting,  notice of
such meeting,  in accordance with the By-Law  requirements for notice of special
meetings,  shall be given to each director who was not present at the meeting at
which such action was taken.  Special meetings of the Board may be called by the
Chairman  of the  Board  (if any) or the  President,  and shall be called at the
written  request  of three of more  directors.  Five (5) days  notice of special
meetings  shall be given by mail, or two (2) days notice if given  personally or
by telegraph or cable,  to each  director.  Notice of special  meetings need not
state the purpose(s)  thereof.  A majority of the Directors  present at the time
and place of any regular or special  meeting,  although less than a quorum,  may
adjourn  the same  from time to time  without  notice,  until a quorum  shall be
present.  Notice of any special meeting shall not be required to be given to any
director who shall attend a meeting without  protesting  prior thereto or at its
commencement  the lack of  notice  to him,  or who  submits  a signed  waiver of
notice,  whether  before or after the meeting.  Notice of any adjourned  meeting
shall be  required  to be given.  Meetings of the Board may be held at any place
within or outside of the State of Delaware.

         A  director  may  attend a meeting  of the Board of  Directors,  or any
committee  thereof,  either  in  person or by means of a  telephone  or  similar
communications  medium which allows all persons  participating in the meeting to
hear and be heard by all others  participating,  and  participation  pursuant to
this subsection shall constitute presence in person at the meeting.

         SECTION  3.4 QUORUM AND  ACTION.  - A majority  of the  directors  then
serving  (but in no event less than  one-third  of the total number of directors
which  the  corporation  would  then  have if  there  were no  vacancies)  shall
constitute a quorum for the transaction of business. At any duly held meeting at
which a quorum is present,  the affirmative  vote of a majority of the directors
present shall be the act of the Board of Directors on any question, except where
the act of a greater number is required by these By-Laws,  by the Certificate of
Incorporation, or by statute.

     SECTION 3.5 ACTION BY WRITTEN  CONSENT IN LIEU OF MEETINGS OF DIRECTORS.  -
See Section 6.6 of these By-Laws.

         SECTION 3.6  VACANCIES;  REMOVAL.  - (a) Any vacancy  occurring  in the
Board  of  Directors  by  reason  of an  increase  in the  number  of  directors
comprising  the  Board or for any  other  reason  shall be filled by action of a
majority of the remaining directors,  even if less than a quorum, or by the sole
remaining  director.  Vacancies shall be filled for the unexpired portion of the
term of the director whose vacancy is being filled.

         (b) Except where the Certificate of Incorporation  provides  otherwise,
contains provisions authorizing cumulative voting or the election of one or more
directors by class or their election by holders of bonds, or requires all action
by stockholders to be by a greater vote, any one or more of the directors may be
removed,  (1) either  for or without  cause,  at any time,  by the  holders of a
majority of the shares then  entitled to vote at an election of directors (a) at
any regular meeting or (b) at any special meeting of the stockholders the notice
of which  announces  that a purpose of such meeting is to seek removal,  or, (2)
for  cause,  by the  affirmative  vote of a  majority  of the  entire  Board  of
Directors at any regular or special  meeting of the Board.  Three (3)  unexcused
absences  within one (1) calendar year from Board of Directors  meetings  and/or
committee  meetings for committees on which such director sits shall  constitute
cause for removal.  The Chairman of the Board,  if a Chairman be elected,  shall
determine  whether an absence is "excused" for purposes of this  paragraph,  but
this  decision  may be  overruled  by an  affirmative  vote of a majority of the
directors at any duly held meeting at which a quorum is present.  If no Chairman
is then serving, the Board members at any duly held meeting at which a quorum is
present shall determine whether an absence is excused.

         SECTION 3.7 COMMITTEES. - The Board of Directors, by resolution adopted
by a majority  of the entire  Board (the  total  number of  directors  which the
Corporation  would  have if there were no  vacancies),  may  designate  from its
members an Executive Committee,  and such other committees as it shall choose to
create,  consisting of one or more directors, with such powers and authority (to
the extent permitted by law) as may be provided in said resolution.

         SECTION 3.8 REMUNERATION.  - (a) Unless otherwise expressly provided by
resolution  adopted by the Board of Directors,  none of the directors  shall, as
such,  receive  any  stated  remuneration  for these  services  but the Board of
Directors  may at any time and from time to time by  resolution  provide  that a
specified sum shall be paid to a director of the Corporation,  either as his/her
annual  remuneration as such director or member of any committee of the Board of
Directors or as  remuneration  for such directors  attendance at each meeting of
the Board of Directors or any such  committee.  The Board of Directors  may also
likewise  provide that the  Corporation  shall  reimburse  each director for any
expenses paid by him/her on account of such  attendance at any meeting.  Nothing
in this section  shall be  construed  to preclude any director  from serving the
Corporation in any other capacity and receiving remuneration thereof.

         (b)  Notwithstanding  the above,  if any director is also a director of
another  corporation  either directly or indirectly owned,  controlled by and/or
under  common   control  of  the   corporation,   such  director  shall  receive
remuneration  as a director  from only one  corporation.  The director  shall be
remunerated  by the  corporation  for which he or she would  receive the greater
remuneration.

                                    OFFICERS

         SECTION  4.1  EXECUTIVE  OFFICERS.  - The  executive  officers  of  the
corporation shall be a President, a Treasurer and a Secretary, all of whom shall
be  elected at its annual  meeting  by the Board,  and shall hold  office at the
pleasure of the Board. In addition,  the Board may elect a Chairman of the Board
of  Directors  and one or more  Vice-Presidents,  Assistant  Secretaries  and/or
Assistant  Treasurers.  Any two or more  offices may be held by one person.  All
vacancies  occurring  among any of the officers shall be filled by the Board for
the unexpired  portion of the  officer's  term and may be filled at a meeting of
the Board  other than its annual  meeting.  Any  officer  may be removed  and/or
replaced  at any time,  with or  without  cause,  by the  affirmative  vote of a
majority (unless the Certificate of Incorporation requires a larger vote) of the
directors  present at a regular  meeting of directors or at a special meeting of
directors called for the purpose.

         SECTION 4.2 OTHER OFFICERS. - The Board may appoint, remove and replace
such other officers,  including  assistant officers and agents, with such powers
and duties as it shall deem necessary. The Board may by resolution authorize the
President to appoint and remove officers which are not Executive Officers.

         SECTION 4.3 THE  CHAIRMAN OF THE BOARD.  - The Chairman of the Board of
Directors,  if one be  elected,  shall  preside at all  meetings of the Board of
Directors and of the stockholders if the directors so resolve. The Vice Chairman
of the Board of Directors,  if one be elected,  shall preside at all meetings of
the Board of Directors and of the  stockholders  in the absence of the Chairman.
The Chairman and Vice Chairman  shall have and perform such other duties as from
time to time may be assigned to them by the Board of Directors or the  Executive
Committee, if any.

         SECTION 4.4 THE  PRESIDENT.  - The President  shall,  in the absence or
non-election  of a  Chairman  of  the  Board,  preside  at all  meetings  of the
stockholders  and  directors.  When the Board is not in  session,  he shall have
general management and control of the business and affairs of the corporation.

         SECTION 4.5 THE  VICE-PRESIDENT.  - The  Vice-President,  if any, or if
there be more than one, the senior  Vice-President as determined by the Board of
Directors,  shall in the absence or  disability of the  President,  exercise the
powers and perform the duties of the President,  and each  Vice-President  shall
exercise  such other powers and perform such other duties as shall be prescribed
by the Board.

         SECTION 4.6 THE  TREASURER.  - The Treasurer  shall have custody of all
funds,  securities and evidences of  indebtedness of the  corporation;  he shall
receive and give receipts and  acquittances for monies paid in on account of the
corporation,  and shall pay out of the funds on hand all  bills,  payrolls,  and
other just debts of the corporation, of whatever nature, upon maturity; he shall
enter  regularly in books to be kept by him for that purpose,  full and accurate
accounts  of  all  monies  received  and  paid  out by  him  on  account  of the
corporation,  and he shall  perform all other  duties  incident to the office of
Treasurer and as may be prescribed by the Board.

         SECTION 4.7 THE  SECRETARY.  - The Secretary  shall keep the minutes of
all  proceedings  of the Board of Directors  and of the  stockholders;  he shall
attend  to the  giving  and  serving  of all  notices  to the  stockholders  and
directors or other notice required by law, or by these By-Laws;  shall affix the
seal of the  corporation  to deeds,  contracts and other  instruments in writing
requiring a seal, when duly signed or when so ordered by the Board of Directors;
shall have charge of the certificate  books and stock books and such other books
and papers as the Board may direct,  and shall perform all other duties incident
to the office of the Secretary.

         SECTION 4.8 SALARIES.  - The salaries of all officers shall be fixed by
the Board of  Directors,  and the Board has the  authority  by majority  vote to
reimburse expenses and to establish reasonable compensation of all directors for
services to the corporation as directors, officers, or otherwise.

         SECTION 4.9 SHARES OF OTHER CORPORATIONS. - Whenever the corporation is
the  holder of shares of stock of any other  corporation,  any right or power of
the corporation as such stockholder (including the attendance, acting and voting
at stockholders' meetings and execution of waivers,  consents,  proxies or other
instruments)  may be exercised on behalf of the  corporation by the President or
such other person as the Board of Directors may authorize.

                                  CAPITAL STOCK

         SECTION 5.1 FORM AND  EXECUTION  OF  CERTIFICATES.  - The shares of the
corporation  shall be  represented  by  certificates  which shall be in the form
required  by the  laws of  Delaware  and as  shall be  adopted  by the  Board of
Directors.  They shall be numbered and registered in the order issued;  shall be
signed by the Chairman, the Vice-Chairman, the President or a Vice-President and
by the  Secretary  or an Assistant  Secretary  or the  Treasurer or an Assistant
Treasurer,  and shall be sealed with the corporate seal or a facsimile  thereof.
When such a certificate is counter-signed by a transfer agent or registered by a
registrar, the signatures of any such officers may be facsimile.

         SECTION 5.2 TRANSFER. - Upon compliance with provisions restricting the
transfer or  registration  of transfer of shares of stock,  if any,  transfer of
shares shall be made upon the books of the corporation by the registered  holder
in person or by  attorney,  duly  authorized,  but only  upon  surrender  of the
certificate or certificates for such shares properly assigned for transfer.

         SECTION  5.3  LOST  OR  DESTROYED  CERTIFICATES.  - The  holder  of any
certificate  representing  shares of stock of the  corporation  may  notify  the
corporation  of any  loss,  theft  or  destruction  thereof,  and the  Board  of
Directors may thereupon, in its discretion, cause a new certificate for the same
number of shares to be issued to such  holder  upon  satisfactory  proof of such
loss,  theft or  destruction,  and the  deposit of  indemnity  by way of bond or
otherwise, in such form and amount and with such surety or sureties as the Board
may require, to indemnify the corporation against loss or liability by reason of
the issuance of such new certificate.

         SECTION  5.4 RECORD  DATE.  - (a) In order to make a  determination  of
stockholders for any proper purpose,  the directors may close the stock transfer
books for a stated period not to exceed twenty (20) days;  and if the purpose of
the closing is to determine  stockholders  entitled to notice of or to vote at a
meeting  of the  stockholders,  the books  shall be closed for at least ten (10)
days immediately preceding such meeting.

         (b) In lieu of closing the books,  the  directors  may fix in advance a
record date for determination of stockholders for any proper purpose,  such date
shall  not  be  more  than  sixty  (60)  days,  and  in  case  of a  meeting  of
stockholders,  not less than  twenty-five  (25) days, prior to the date on which
the particular action,  requiring such  determination of stockholders,  is to be
taken.

         (c) In the absence of such closing or fixed  record date,  the date for
determination of stockholders  entitled (1) to notice of or to vote at a meeting
of stockholders,  or (2) to receive a dividend or any right shall be as provided
by Section 213 of the General Corporation Law or any successor provision.

                                  MISCELLANEOUS

         SECTION 6.1 DIVIDENDS.  - The Board of Directors may declare  dividends
from time to time on the outstanding  shares of the corporation from the surplus
or net profits legally available therefor.

         SECTION 6.2 SEAL. - The Board shall provide a suitable  corporate  seal
stating the corporate name, and state and year of incorporation,  which shall be
in the charge of the Secretary and shall be used as authorized by these By-Laws.

     SECTION 6.3 FISCAL YEAR. - The fiscal year of the  corporation  shall close
annually on December 31.

         SECTION 6.4 CHECKS,  NOTES, ETC. - (a) Checks,  notes, drafts, bills of
exchange and orders for the payment of money shall be signed or endorsed in such
manner as shall be determined by the Board.

         (b) The funds of the  corporation  shall be  deposited  in such bank or
trust  company,  and checks  drawn  against  such funds  shall be signed in such
manner as may be determined from time to time by the Board.

         SECTION  6.5 NOTICE AND WAIVER OF NOTICE.  - (a) Any notice of meetings
required to be given under these By-Laws to stockholders and/or directors may be
waived in  writing  signed by the  person or persons  entitled  to such  notice,
whether before or after the time stated therein.

         (b) All notices  required by these By-Laws shall be printed or written,
and shall be delivered  either  personally,  by telegraph or cable,  or by mail,
and, if mailed,  shall be deemed to be  delivered  when  deposited in the United
States mail,  postage  prepaid,  addressed to the stockholder or director at his
address as it appears on the records of the corporation.

         SECTION 6.6 ACTION BY WRITTEN CONSENT IN LIEU OF MEETINGS. - Any action
required or  permitted  to be taken at a meeting of the  stockholders  or of the
Board of Directors or of any committee thereof may be taken without a meeting if
a consent in writing setting forth the action so taken shall be signed by all of
the  stockholders  entitled to notice of or to vote with  respect to the subject
matter thereof,  or by all of the members of the Board or of such committee,  as
the case may be,  and such  consent  shall  have the same  force and effect as a
unanimous vote.

                                   AMENDMENTS

     SECTION  7.1  AMENDMENTS.  -  These  By-Laws  may be  altered,  amended  or
repealed:

         (a) at any duly held  stockholders'  meeting by vote of the owners of a
majority (unless the Certificate of Incorporation requires a larger vote) of the
outstanding stock having voting power,  present in person or by proxy,  provided
notice of the  amendment  is  included in the notice or waiver of notice of such
meeting, and

         (b) except as provided  below, at any regular or special meeting of the
Board of  Directors  by a majority  (unless  the  Certificate  of  Incorporation
requires a larger  vote) of the  entire  Board,  but any  By-Laws so made by the
Board may be altered or repealed  by the  stockholders.  The Board of  Directors
shall have no power to change the quorum for meetings of  stockholders or of the
Board of Directors,  or to change any  provisions of the By-Laws with respect to
the removal of directors or the filling of vacancies in the Board resulting from
the removal by the stockholders. If any By-Laws regulating an impending election
of directors are adopted,  amended or repealed by the Board of Directors,  there
shall be set forth in the  notice of the next  meeting of  stockholders  for the
election of  directors,  the by-laws so adopted,  amended or repealed,  together
with a concise statement of the changes made.

                                    INDEMNITY

         SECTION 8.1 INDEMNITY.  - The corporation shall indemnify its officers,
directors,  employees and agents to the full extent permitted by Section 145, or
any  successor  provision,  of the General  Corporation  Law, and such rights of
indemnification  shall be in addition to any rights to which any such  director,
officer,  employee or agent may otherwise be entitled  under the  Certificate of
Incorporation,  any  agreement  or vote  of the  stockholders  or  disinterested
directors or  otherwise,  both as to action in his  official  capacity and as to
action in another capacity while holding such office, and shall continue as to a
person who has agreed to be a  director,  officer,  employee  or agent and shall
inure to the benefit of the heirs, executors and administrators of such person.





             
                       MID ATLANTIC MEDICAL SERVICES, INC.
                      1999 NON-QUALIFIED STOCK OPTION PLAN

Article I.  Purpose, Adoption and Term of the Plan

         1.01 Purpose.  The purpose of the Mid Atlantic Medical  Services,  Inc.
1999 Non-Qualified Stock Option Plan (hereinafter  referred to as the "Plan") is
to advance  the  interests  of the  Company  (as  hereinafter  defined)  and its
Subsidiaries  (as  hereinafter  defined) by  encouraging  and  providing for the
acquisition  of an equity  interest  in the Company by  non-employee  directors,
officers and key employees through the grant of options to purchase Common Stock
(as  hereinafter  defined).  The Plan will  enable  the  Company  to retain  the
services  of  non-employee  directors,  officers  and key  employees  upon whose
judgment,  interest, and special effort the successful conduct of its operations
is largely  dependent and to compete  effectively with other enterprises for the
services of non-employee directors,  officers and key employees as may be needed
for the continued improvement of its business.

         1.02 Adoption and Term. The Plan shall become effective on May 3, 1999,
subject to the prior  approval  of a simple  majority  of the  holders of Common
Stock  represented,  by person or by proxy, and entitled to vote at an annual or
special meeting of the holders of Common Stock.  The Plan shall terminate on May
2,  2004,  or  such  earlier  date as  shall  be  determined  by the  Board  (as
hereinafter  defined);  provided,  however,  that,  in the event the Plan is not
approved by a simple  majority of the holders of Common  Stock  represented,  by
person or by proxy,  and entitled to vote at an annual or special  meeting at or
before the Company's  1999 annual  meeting of holders of Common Stock,  the Plan
shall terminate on such date and any Options (as hereinafter defined) made under
the Plan prior to such date shall be void and of no force and effect.

Article II.  Definitions

         For purposes of the Plan,  capitalized  terms shall have the  following
meanings:

         2.01 "Beneficiary" means an individual, trust or estate who or that, by
will or the  laws of  descent  and  distribution,  succeeds  to the  rights  and
obligations of the Participant  under the Plan and an Option  Agreement upon the
Participant's death.

         2.02     "Board" means the Board of Directors of the Company.

         2.03 "Cause" means, with respect to a Participant who is a Non-Employee
Director,  removal as a director by the holders of Common  Stock or by the Board
for cause; provided, however, that, if a Non-Employee Director is not a director
of the  Company,  removal as a director  by the  holders of common  stock of any
Subsidiary  on whose  Board of  Directors  he or she  serves or by such Board of
Directors for cause.

         2.04 "Code"  means the Internal  Revenue Code of 1986,  as amended from
time to time,  or any  successor  thereto.  References  to a section of the Code
shall include that section and any comparable  section or sections of any future
legislation that amends, supplements, or supersedes said section.

2.05 "Committee"  means a committee of the Board as may be appointed,  from time
to time, by the Board.

                  (a)  The  Board  may  appoint  more  than  one   Committee  to
administer the Plan. If it appoints more than one Committee,  one Committee (the
"Stock  Option  Committee")  shall  have the  authority  to grant  Options  to a
Participant  who is  either,  at the  Date of Grant of the  Option,  a  "covered
employee"  as defined  in Section  162(m) or who is subject to Section 16 of the
Exchange Act;  however,  such  Committee  shall also have the authority to grant
Options to other  Participants.  The Stock Option Committee shall be composed of
at least two directors of the Company, each of whom is a "non-employee director"
as defined in Rule 16b-3 and an "outside director" within the meaning of Section
162(m).  If,  however,  at least  two of the  Company's  directors  are not both
"non-employee directors" and "outside directors," the Board may grant Options to
a Participant who is either a "covered employee" or subject to Section 16 of the
Exchange Act, in which case the Board may also  administer the Plan and the term
"Committee"  as used herein  shall also include the Board.  The other  Committee
(the "Select Committee") shall be composed of at least one director,  who may be
an officer of the Company.  The Select  Committee  shall have authority to grant
Options to a Participant who is not, at the Date of Grant of the Option,  either
a "covered  employee"  as defined in Section  162(m) or subject to Section 16 of
the Exchange Act.

                  (b) The Board may, from time to time,  appoint members of each
Committee in substitution  for those members who were  previously  appointed and
may fill vacancies, however caused, in the Committee.

                  (c) The Stock Option  Committee and the Select Committee shall
each have the power and  authority to  administer  the Plan in  accordance  with
Article III with respect to particular  classes of Participants (as specified in
Section 2.05(a)) and, when used herein,  the term "Committee"  shall mean either
the Stock Option  Committee or the Select  Committee if the Board  appoints more
than one  Committee to administer  the Plan.  If,  however,  there is a conflict
between the  determinations  made by the Stock Option  Committee  and the Select
Committee, the determinations made by the Stock Option Committee shall control.

     2.06 "Common  Stock" means the Common Stock,  par value $.01 per share,  of
the Company.

     2.07 "Company"  means Mid Atlantic  Medical  Services,  Inc., a corporation
organized under the laws of the State of Delaware, and its successors.

     2.08 "Date of Grant" means the date designated by the Committee as the date
as of which it grants an Option,  which  shall not be  earlier  than the date on
which the Committee approves the granting of such Option.

     2.09  "Disability"  has the meaning  specified  in Section  22(e)(3) of the
Code.

     2.10 "Disability  Date" means the date as of which an Employee  Participant
is determined by the Committee to have a Disability.

     2.11 "Employee  Participant"  means a Participant who is not a Non-Employee
Director.

     2.12 "ERISA" means the Employee  Retirement Income Security Act of 1974, as
amended.

     2.13 "Exchange Act" means the Securities Exchange Act of 1934, as amended.

     2.14 "Fair Market Value" of a share of Common Stock means,  as of any given
date,  the closing  sales  price of a share of Common  Stock on such date on the
principal national  securities exchange on which the Common Stock is then traded
or, if the Common  Stock is not then traded on a national  securities  exchange,
the closing sales price or, if none,  the average of the bid and asked prices of
the  Common  Stock on such  date as  reported  on the  National  Association  of
Securities  Dealers Automated  Quotation System ("Nasdaq");  provided,  however,
that, if there were no sales  reported as of such date,  Fair Market Value shall
be  computed  as of the  last  date  preceding  such  date on  which a sale  was
reported;  provided,  further, that, if any such exchange or quotation system is
closed on any day on which Fair Market  Value is to be  determined,  Fair Market
Value shall be determined as of the first date  immediately  preceding such date
on which such  exchange or quotation  system was open for trading.  In the event
the Common Stock is not admitted to trade on a securities  exchange or quoted on
Nasdaq,  the Fair Market  Value of a share of Common  Stock as of any given date
shall be as determined in good faith by the Committee,  in its sole and absolute
discretion, which determination may be based on, among other things, the opinion
of one or more independent and reputable appraisers qualified to value companies
in the  Company's  line of business.  Notwithstanding  the  foregoing,  the Fair
Market  Value of a share of Common  Stock shall never be less than par value per
share.

     2.15 "Non-Employee Director" means each member of the Board or of the Board
of Directors of  Physicians  Health Plan of Maryland,  Inc., in each case who is
not an employee of the Company or of any of its Subsidiaries; provided, however,
that Francis C. Bruno shall be considered to be a Non-Employee Director.

     2.16  "Non-Employee  Director Option" means an Option granted in accordance
with Article VII.

     2.17 "Option Agreement" means a written agreement between the Company and a
Participant  specifically  setting  forth the terms and  conditions of an Option
granted to a Participant under the Plan.

     2.18  "Option"  means any option to  purchase  Common  Stock  granted to an
Employee Participant pursuant to Articles V and VI or to a Non-Employee Director
pursuant to Article  VII.  All Options  granted  under the Plan shall be Options
that do not qualify as incentive stock options under Section 422 of the Code.

     2.19  "Participant"  means  any  employee  of  the  Company  or  any of its
Subsidiaries  selected by the  Committee  to receive an Option under the Plan in
accordance  with Articles V and VI and, solely to the extent provided in Article
VII, any Non-Employee Director.

     2.20  "Plan"  means  the  Mid  Atlantic   Medical   Services,   Inc.   1999
Non-Qualified  Stock  Option  Plan as set forth  herein,  and as the same may be
amended from time to time.

     2.21 "Rule 16b-3" means Rule 16b-3  promulgated by the SEC under Section 16
of the Exchange Act and any successor rule.

     2.22 "SEC" means the Securities and Exchange Commission.

     2.23 "Section  162(m)" means Section 162(m) of the Code and the regulations
thereunder.

     2.24 "Subsidiary"  means a company more than 50% of the equity interests of
which are beneficially owned, directly or indirectly, by the Company.

     2.25  "Termination  of  Employment"  means,  with  respect  to an  Employee
Participant,  the  voluntary  or  involuntary  termination  of  a  Participant's
employment  with  the  Company  or any  of  its  Subsidiaries  for  any  reason,
including, without limitation, death, Disability, retirement or as the result of
the sale or other  divestiture  of the  Participant's  employer  or any  similar
transaction in which the Participant's  employer ceases to be the Company or one
of its Subsidiaries. Whether entering military or other government service shall
constitute Termination of Employment, and whether a Termination of Employment is
a result of Disability, shall be determined in each case by the Committee in its
sole and absolute discretion.

Article III.  Administration

         3.01 Committee. The Plan shall be administered by the Committee,  which
shall have exclusive and final authority in each determination,  interpretation,
or other action  affecting the Plan and its  Participants.  The Committee  shall
have the sole and absolute  discretion  to interpret  the Plan, to establish and
modify  administrative  rules for the Plan, to select the officers and other key
employees to whom Options may be granted,  to determine the terms and provisions
of the respective Option Agreements (which need not be identical),  to determine
all  claims  for  benefits  under  the  Plan,  to  impose  such  conditions  and
restrictions on Options as it determines  appropriate,  to determine whether the
shares  delivered  on  exercise of Options  will be  treasury  shares or will be
authorized but previously  unissued shares, and to take such steps in connection
with  the  Plan and  Options  granted  hereunder  as it may  deem  necessary  or
advisable.  No action of the Committee  will be effective if it  contravenes  or
amends the Plan in any respect.

         3.02  Actions of the  Committee.  Except  when the  "Committee"  is the
"Board" in the circumstance described in the fourth sentence of Section 2.05(a),
all  determinations  of the  Committee  shall be made by a majority  vote of its
members.  A majority of a  Committee's  members shall  constitute a quorum.  Any
decision  or  determination  reduced to writing and signed by all of the members
shall be fully as  effective  as if it had  been  made by a  majority  vote at a
meeting  duly  called  and  held.   The   Committee   shall  also  have  express
authorization  to hold Committee  meetings by conference  telephone,  or similar
communication  equipment  by means of which  all  persons  participating  in the
meeting can hear each other.

Article IV.  Shares of Common Stock

         4.01 Number of Shares of Common Stock Issuable.  Subject to adjustments
as provided in Section 8.05, 1,500,000 shares of Common Stock shall be available
for Options under the Plan. Any and all of such shares may be issued pursuant to
Options  granted to Employee  Participants  or to  Non-Employee  Directors.  The
Common  Stock to be offered  under the Plan  shall be  authorized  and  unissued
Common  Stock,  or issued  Common Stock that shall have been  reacquired  by the
Company and held in its treasury.

         4.02 Number of Shares of Common Stock  Awarded to any  Participant.  In
the event the purchase price of an Option is paid, or related tax or withholding
payments  are  satisfied,  in whole or in part through the delivery of shares of
Common  Stock  issuable  in  connection  with  the  exercise  of the  Option,  a
Participant  will be deemed to have  received  an Option  with  respect to those
shares of Common Stock.

         4.03 Shares of Common Stock Subject to Terminated  Options.  The Common
Stock covered by any  unexercised  portions of  terminated  Options may again be
subject to new Options under the Plan.

Article V.  Participation

         5.01 Eligible Participants.  Employee Participants in the Plan shall be
such  officers  and other key  employees  of the  Company  or its  Subsidiaries,
whether or not  directors  of the  Company,  as the  Committee,  in its sole and
absolute   discretion,   may  designate  from  time  to  time.  In  making  such
designation,  the  Committee  may take into  account the nature of the  services
rendered  by the  officers  and  key  employees,  their  present  and  potential
contributions  to the  success of the  Company,  and such  other  factors as the
Committee,  in  its  sole  and  absolute  discretion,  may  deem  relevant.  The
Committee's designation of an Employee Participant in any year shall not require
the Committee to designate such person to receive Options in any other year. The
Committee  shall  consider  such  factors  as it deems  pertinent  in  selecting
Employee Participants and in determining the type and amount of their respective
Options.  A  Participant  may hold more than one Option  granted under the Plan.
During the term of the Plan,  no Employee  Participant  may  receive  Options to
purchase more than one million shares of Common Stock under the Plan.

         Non-Employee  Directors shall receive Non-Employee  Director Options in
accordance  with  Article  VII,  the  provisions  of  which  are  automatic  and
non-discretionary in operation.  Non-Employee Directors shall not be eligible to
receive any other Options under the Plan unless they are no longer  Non-Employee
Directors on the Date of Grant of such Options.

Article VI.  Stock Options

         6.01 Grant of Option. Any Option granted under the Plan shall have such
terms as the  Committee  may,  from  time to time,  approve,  and the  terms and
conditions of Options need not be the same with respect to each Participant.

         6.02 Terms of Options.  Options granted under the Plan shall be subject
to the following terms and conditions and shall be in such form and contain such
additional terms and conditions, not inconsistent with the terms of the Plan, as
the Committee shall deem desirable:

                  (a) Option  Price.  The option price per share of Common Stock
purchasable  under an Option shall be determined by the Committee at the time of
grant but shall  not be less  than 100% of the Fair  Market  Value of a share of
Common Stock on the Date of Grant;  provided,  however, that, except as required
by Rule 16b-3 with respect to Options  granted to persons  subject to Section 16
of the  Exchange  Act, no amendment of an Option shall be deemed to be the grant
of a new  Option for  purposes  of this  Section  6.02(a).  Notwithstanding  the
foregoing,  the option  price per share of Common Stock of an Option shall never
be less than par value per share.

                  (b) Option Term. The term of each Option shall be fixed by the
Committee,  but no Option  shall be  exercisable  more than five years after the
Date of Grant.

                  (c)  Exercisability.  An  Option  Agreement  with  respect  to
Options may contain such performance  targets,  waiting periods,  exercise dates
and restrictions on exercise (including,  but not limited to, a requirement that
an Option is exercisable in periodic installments), and restrictions on transfer
of the  underlying  shares of Common Stock,  if any, as may be determined by the
Committee at the time of grant. To the extent not exercised,  installments shall
cumulate and be  exercisable,  in whole or in part,  at any time after  becoming
exercisable,  subject to the limitations set forth in Sections 6.02(b),  (f) and
(g).

                  (d)  Method  of  Exercise.  Subject  to  whatever  installment
exercise and waiting period  provisions  that apply under Section 6.02(c) above,
Options may be  exercised in whole or in part at any time during the term of the
Option,  by giving  written  notice of exercise to the  Company  specifying  the
number  of  shares  of  Common  Stock  to be  purchased.  Such  notice  shall be
accompanied  by  payment  in  full of the  purchase  price  in such  form as the
Committee may accept  (including  payment in accordance with a cashless exercise
program  approved  by  the  Committee).  If  and to  the  extent  the  Committee
determines  in its sole and absolute  discretion  at or after grant,  payment in
full or in part may also be made in the form of shares of Common  Stock  already
owned by the Participant (and for which the Participant has good title, free and
clear of any liens or encumbrances) based on the Fair Market Value of the shares
of Common Stock on the date the Option is exercised; provided, however, that any
already  owned  Common  Stock  used  for  payment  must  have  been  held by the
Participant for at least six months. No Common Stock shall be issued on exercise
of an Option  until  payment,  as provided  herein,  therefor  has been made.  A
Participant  shall  generally  have the right to  dividends or other rights of a
stockholder  with  respect  to Common  Stock  subject  to the  Option  only when
certificates for shares of Common Stock are issued to the Participant.

                  (e)   Non-Transferability  of  Options.  No  Option  shall  be
transferable by the  Participant  otherwise than by will, by the laws of descent
and distribution, or pursuant at a qualified domestic relations order as defined
by the Code, Title I of ERISA or the rules thereunder.

                  (f) Acceleration or Extension of Exercise Time. The Committee,
in its sole and absolute discretion,  shall have the right (but shall not in any
case be  obligated)  to permit  purchase of Common  Stock  subject to any Option
granted to an Employee Participant prior to the time such Option would otherwise
become  exercisable  under the terms of the Option Agreement.  In addition,  the
Committee, in its sole and absolute discretion,  shall have the right (but shall
not in any case be  obligated)  to permit  any  Option  granted  to an  Employee
Participant to be exercised after its expiration date,  subject,  however to the
limitation set forth in Section 6.02(b).

                  (g) Exercise of Options Upon  Termination of  Employment.  The
following provisions apply to Options granted to Employee Participants:

     (i) Exercise of Vested Options Upon Termination of Employment.

     (A) Termination. Unless the Committee, in its sole and absolute discretion,
provides  for a  shorter  or longer  period  of time in the  Option
Agreement or a longer period of time in accordance with Section 6.02(f), upon an
Employee  Participant's  Termination of Employment other than by reason of death
or Disability,  the Employee  Participant may, within three months from the date
of  such  Termination  of  Employment,  exercise  all or any  part of his or her
Options as were  exercisable at the date of  Termination  of  Employment.  In no
event,  however,  may any Option be  exercised  later  than the date  determined
pursuant to Section 6.02(b).

     (B) Disability.  Unless the Committee, in its sole and absolute discretion,
provides  for a  shorter  or  longer  period  of time in the  Option
Agreement or a longer period of time in accordance with Section 6.02(f), upon an
Employee Participant's Disability Date, the Employee Participant may, within one
year after the  Disability  Date,  exercise all or a part of his or her Options,
whether or not such Option was  exercisable on the Disability  Date, but only to
the extent not previously  exercised.  In no event,  however,  may any Option be
exercised later than the date determined pursuant to Section 6.02(b).

     (C) Death. Unless the Committee, in its sole and absolute discretion, 
provides  for a shorter or longer  period of time in the Option  Agreement  or a
longer period of time in accordance  with Section  6.02(f),  in the event of the
death of an Employee  Participant while employed by the Company or a Subsidiary,
the right of the Employee  Participant's  Beneficiary  to exercise the Option in
full  (whether  or not all or any part of the Option was  exercisable  as of the
date of death of the Employee Participant, but only to the extent not previously
exercised)  shall  expire upon the  expiration  of one year from the date of the
Employee  Participant's  death  or on the  date  of  expiration  of  the  Option
determined pursuant to Section 6.02(b), whichever is earlier.

     (ii) Expiration of Unvested Options Upon Termination of Employment. Subject
to Sections 6.02(f) and  6.02(g)(i)(B) and (C), to the extent all or any part of
an Option granted to an Employee  Participant was not exercisable as of the date
of  Termination  of  Employment,  such  right  shall  expire at the date of such
Termination of Employment.  Notwithstanding the foregoing, the Committee, in its
sole and absolute  discretion and under such terms as it deems appropriate,  may
permit an Employee Participant to continue to accrue service with respect to the
right to exercise his or her Options.

Article VII.  Non-Employee Director Options

         7.01 Grant of Non-Employee  Director Options;  Exercise Price; Term. On
May 3, 1999,  each person who is a  Non-Employee  Director on such date shall be
granted a  Non-Employee  Director  Option to  purchase  the  number of shares of
Common Stock determined in accordance with Section 7.02. A Non-Employee Director
shall only receive one  Non-Employee  Director Option on May 3, 1999, even if he
or she serves as a Non-Employee Director of the Company and/or of one or more of
its Subsidiaries.

         The exercise price per share for Non-Employee Director Options shall be
the Fair  Market  Value of a share of  Common  Stock on the Date of  Grant.  All
Non-Employee Director Options shall have a five year term.

         7.02 Number of Shares. Each Non-Employee  Director Option shall entitle
the holder to purchase 5,000 shares of Common Stock; provided, however, that, if
a  Non-Employee  Director is not a  Non-Employee  Director of the Company on the
Date of Grant of the Option, his or her Non-Employee  Director Option shall only
entitle him or her to purchase 3,000 shares of Common Stock.

         7.03  Exercisability.  Each  Non-Employee  Director Option shall become
exercisable cumulatively in three equal installments on May 3, 2000, May 3, 2001
and May 3, 2002; provided,  however, that, if a Non-Employee Director is removed
for Cause, any Option held by such Non-Employee Director shall cease to continue
to become exercisable on or after the date of such removal.

         7.04 Termination. If a Non-Employee Director's service with the Company
terminates  for  any  reason  or if  such  person  ceases  to be a  Non-Employee
Director,  such Option shall continue to become  exercisable in accordance  with
Section 7.03 and may be exercised until the expiration of the stated term of the
Option.  Accordingly, if a Non-Employee Director is removed for Cause, he or she
may  continue to exercise  his or her  Non-Employee  Director  Option  until the
expiration  of the stated term of such  Option,  but only to the extent that (a)
such Option became  exercisable prior to the date of such removal and (b) it was
not previously exercised.

         7.05 Other  Plan  Provisions.  All  applicable  provisions  of the Plan
(other than  Sections  6.02(f) and (g)) not  inconsistent  with this Article VII
shall apply to Options granted to Non-Employee Directors.

Article VIII.  Terms Applicable to All Options Granted Under the Plan

         8.01 Plan Provisions  Control Option Terms. The terms of the Plan shall
govern all Options  granted under the Plan,  and in no event shall the Committee
have the  power to grant to a  Participant  any  Option  under  the Plan that is
contrary to any provisions of the Plan. In the event any provision of any Option
granted  under  the Plan  shall  conflict  with any of the  terms in the Plan as
constituted  on the  Date of  Grant  of such  Option,  the  terms in the Plan as
constituted on the Date of Grant of such Option shall control.

         8.02 Option Agreement. No person shall have any rights under any Option
granted under the Plan unless and until the Company and the  Participant to whom
such Option shall have been granted  shall have executed and delivered an Option
Agreement  authorized  by the  Committee  expressly  granting the Option to such
person and containing provisions setting forth the terms of the Option. If there
is any conflict  between the provisions of an Option  Agreement and the terms of
the Plan, the terms of the Plan shall control.

         8.03  Modification  of Option  After  Grant.  Except as provided by the
Committee,  in its sole and absolute  discretion,  in the Option Agreement or as
provided in Section 8.05, no Option granted under the Plan to a Participant  may
be modified (unless such modification does not materially  decrease the value of
the Option) after the Date of Grant except by express written  agreement between
the Company and the Participant,  provided that any such change (a) shall not be
inconsistent  with the  terms of the  Plan,  and (b)  shall be  approved  by the
Committee.

         8.04 Taxes.  The Company shall be entitled,  if the Committee  deems it
necessary or desirable,  to withhold (or secure payment from the  Participant in
lieu of withholding)  the amount of any withholding or other tax required by law
to be withheld or paid by the Company with respect to any Common Stock  issuable
under such  Participant's  Option,  and the Company may defer issuance of Common
Stock  upon  the  grant or  exercise  of an  Option  unless  indemnified  to its
satisfaction  against  any  liability  for any  such  tax.  The  amount  of such
withholding  or tax payment shall be determined by the Committee or its delegate
and  shall  be  payable  by the  Participant  at  such  time  as  the  Committee
determines.  A  Participant  shall be  permitted  to  satisfy  his or her tax or
withholding obligation by (a) having cash withheld from the Participant's salary
or other compensation payable by the Company or a Subsidiary, (b) the payment of
cash by the  Participant  to the  Company,  (c) the  payment in shares of Common
Stock already owned by the Participant  valued at Fair Market Value,  and/or (d)
the withholding from the Option,  at the appropriate time, of a number of shares
of Common  Stock  sufficient,  based upon the Fair  Market  Value of such Common
Stock, to satisfy such tax or withholding  requirements.  The Committee shall be
authorized,  in its  sole  and  absolute  discretion,  to  establish  rules  and
procedures  relating  to any such  withholding  methods  it deems  necessary  or
appropriate  (including,  without  limitation,  rules and procedures relating to
elections by Participants who are subject to the provisions of Section 16 of the
Exchange Act to have shares of Common Stock withheld from an Award to meet those
withholding obligations).

         8.05     Adjustments to Reflect Capital Changes; Change in Control.

                  (a) Recapitalization. The number and kind of shares subject to
outstanding  Options,  the purchase price or exercise price of such Options, the
amount of Non-Employee  Director Options to be granted on any date under Section
7.02, the limit set forth in the last sentence of the first paragraph of Section
5.01 of the Plan,  and the  number  and kind of  shares  available  for  Options
subsequently  granted under the Plan shall be appropriately  adjusted to reflect
any stock  dividend,  stock split,  combination  or exchange of shares,  merger,
consolidation  or other  change in  capitalization  with a  similar  substantive
effect upon the Plan or the Options  granted under the Plan. The Committee shall
have the power and sole and  absolute  discretion  to  determine  the nature and
amount of the adjustment to be made in each case.

                  (b) Sale or Reorganization. After any reorganization,  merger,
or consolidation in which the Company is the surviving entity,  each Participant
shall,  at no  additional  cost,  be  entitled  upon the  exercise  of an Option
outstanding  prior to such event to receive  (subject to any required  action by
stockholders),  in lieu of the number of shares of Common  Stock  receivable  on
exercise  pursuant  to such  Option,  the number and class of shares of stock or
other securities to which such Participant  would have been entitled pursuant to
the terms of the  reorganization,  merger,  or consolidation  if, at the time of
such  reorganization,  merger, or  consolidation,  such Participant had been the
holder of record of a number of shares of Common  Stock  equal to the  number of
shares  of  Common  Stock  receivable  on  exercise  pursuant  to  such  Option.
Comparable  rights shall accrue to each  Participant  in the event of successive
reorganizations, mergers, or consolidations of the character described above.

                  (c) Options to Purchase Stock of Acquired Companies. After any
reorganization,  merger,  or  consolidation  in  which  the  Company  shall be a
surviving  entity,  the  Committee  may  grant  substituted  Options  under  the
provisions of the Plan,  replacing  old options  granted under a plan of another
party to the reorganization, merger, or consolidation whose stock subject to the
old options may no longer be issued following such  reorganization,  merger,  or
consolidation.  The  foregoing  adjustments  and  manner of  application  of the
foregoing  provisions  shall  be  determined  by the  Committee  in its sole and
absolute discretion. Any such adjustments may provide for the elimination of any
fractional  shares of Common Stock that might  otherwise  become  subject to any
Options.

                  (d)  Changes  in  Control.   (i)  Upon  the   dissolution   or
liquidation of the Company, (ii) upon a reorganization, merger, or consolidation
in which the Company is not the  surviving  corporation,  (iii) upon the sale of
substantially  all  of  the  property  or  assets  of  the  Company  to  another
corporation,  or (iv) if at least 50% or more of the voting stock of the Company
is sold either  through a tender offer or otherwise to a party or an  affiliated
group  of  parties,  then  the  Plan and the  Options  issued  thereunder  shall
terminate,  unless  provisions are made in connection with such  transaction for
the assumption of Options theretofore  granted, or for the substitution for such
Options of new options of the  successor  corporation  or a parent or subsidiary
thereof,  with  appropriate  adjustment as to the number and kinds of shares and
the per share  exercise  prices.  In the event such Options shall be terminated,
all outstanding  Options shall be exercisable in full for at least 30 days prior
to such  termination  date,  whether  or not  exercisable  during  such  period,
subject,  however, to the limitation set forth in Sections 6.02(b) and 7.01. For
purposes of this Section  8.05(d),  the Company  refers to Mid Atlantic  Medical
Services, Inc., MD-Individual Practice Association,  Inc., Optimum Choice, Inc.,
and/or  Physicians  Health Plan of Maryland,  Inc.,  jointly or separately.  The
Committee  shall  determine  the date on which  Options  may become  exercisable
pursuant to this Section 8.05(d).

         8.06 Surrender of Options.  Any Option  granted to a Participant  under
the Plan may be surrendered to the Company for cancellation on such terms as the
Committee and holder approve.

         8.07 No Right to Option; No Right to Employment.  Except as provided in
Article VII, no director, employee or other person shall have any claim or right
to be granted an Option.  Neither the Plan nor any action taken  hereunder shall
be  construed  as giving any  employee any right to be retained in the employ of
the Company or any of its Subsidiaries.

         8.08 Options Not Includable for Benefit Purposes.  Income recognized by
a  Participant  pursuant to the  provisions of the Plan shall not be included in
the  determination  of benefits under any employee pension benefit plan (as such
term is defined in Section 3(2) of ERISA) or group  insurance  or other  benefit
plans applicable to the Participant that are maintained by the Company or any of
its  Subsidiaries,  except as may be  provided  under the terms of such plans or
determined by resolution of the Board.

         8.09  Governing Law. The Plan and all  determinations  made and actions
taken  pursuant  to the Plan  shall  be  governed  by the  laws of the  State of
Delaware  other than the conflict of laws  provisions of such laws, and shall be
construed in accordance therewith.

         8.10 No Strict  Construction.  No rule of strict  construction shall be
implied  against  the  Company,  the  Committee,  or  any  other  person  in the
interpretation  of any of the terms of the Plan,  any Option  granted  under the
Plan or any rule or procedure established by the Committee.

         8.11 Compliance with Rule 16b-3 and Section 162(m). It is intended that
the Plan be applied  and  administered  in  compliance  with Rule 16b-3 and with
Section  162(m).  If any  provision of the Plan would be in violation of Section
162(m) if applied as written,  such  provision  shall not have effect as written
and shall be given effect so as to comply with Section  162(m) as  determined by
the  Committee in its sole and absolute  discretion.  The Board is authorized to
amend the Plan and the Committee is authorized to make any such modifications to
Option  Agreements to comply with Rule 16b-3 and Section 162(m),  as they may be
amended  from  time  to  time,  and  to  make  any  other  such   amendments  or
modifications  deemed necessary or appropriate to better accomplish the purposes
of the Plan in light of any  amendments  made to Rule 16b-3 and Section  162(m).
Notwithstanding  the  foregoing,  the  Board  may  amend the Plan so that it (or
certain of its provisions) no longer comply with either or both of Rule 16b-3 or
Section 162(m) if the Board  specifically  determines that such compliance is no
longer  desired and the Committee may grant Options that do not comply with Rule
16b-3  and/or  Section  162(m)  if the  Committee  determines,  in its  sole and
absolute discretion, that it is in the interest of the Company to do so.

         8.12 Captions.  The captions (i.e.,  all Article and Section  headings)
used in the Plan are for convenience only, do not constitute a part of the Plan,
and  shall  not be  deemed  to  limit,  characterize,  or  affect in any way any
provisions of the Plan,  and all provisions of the Plan shall be construed as if
no captions have been used in the Plan.

         8.13 Severability.  Whenever  possible,  each provision in the Plan and
every Option at any time  granted  under the Plan shall be  interpreted  in such
manner as to be effective and valid under  applicable  law, but if any provision
of the Plan or any Option at any time granted under the Plan shall be held to be
prohibited by or invalid under  applicable law, then (a) such provision shall be
deemed  amended to  accomplish  the  objectives  of the  provision as originally
written to the fullest extent  permitted by law, and (b) all other provisions of
the Plan and every other Option at any time granted  under the Plan shall remain
in full force and effect.

         8.14 Legends.  All  certificates  for Common Stock  delivered under the
Plan shall be subject to such  transfer  restrictions  set forth in the Plan and
such other  restrictions  as the Committee may deem  advisable  under the rules,
regulations,  and other  requirements  of the SEC, any stock exchange upon which
the Common Stock is then listed,  and any applicable federal or state securities
law.  The  Committee  may  cause  a  legend  or  legends  to be put on any  such
certificates to make appropriate references to such restrictions.

         8.15  Investment  Representation.  The  Committee  may, in its sole and
absolute  discretion,  demand that any Participant  awarded an Option deliver to
the  Committee  at the time of  grant  or  exercise  of such  Option  a  written
representation  that the shares of Common Stock to be acquired upon exercise are
to be  acquired  for  investment  and  not  for  resale  or  with a view  to the
distribution thereof. Upon such demand,  delivery of such written representation
by the Participant  prior to the delivery of any shares of Common Stock pursuant
to the  exercise  of his or her Option  shall be a  condition  precedent  to the
Participant's right to purchase or otherwise acquire such shares of Common Stock
by such grant or  exercise.  The Company is not  legally  obliged  hereunder  if
fulfillment  of its  obligations  under the Plan would violate  federal or state
securities laws.

         8.16     Amendment and Termination.

                  (a)  Amendment.  The  Board  shall  have  complete  power  and
authority to amend the Plan at any time it is deemed  necessary or  appropriate;
provided, however, that the Board shall not, without the affirmative approval of
a simple majority of the holders of Common Stock,  represented,  by person or by
proxy,  and  entitled to vote at an annual or special  meeting of the holders of
Common  Stock,  make any  amendment  that requires  stockholder  approval  under
applicable law or rule,  unless the Board  determines  that compliance with such
law or rule is no  longer  desired  with  respect  to the Plan as a whole or the
provision to be amended.  No termination  or amendment of the Plan may,  without
the consent of the  Participant to whom any Option shall  theretofore  have been
granted under the Plan, adversely affect the right of such individual under such
Option;  provided,  however,  that the  Committee  may, in its sole and absolute
discretion,  make provision in an Option  Agreement for such amendments that, in
its sole and absolute discretion, it deems appropriate.

                  (b) Termination.  The Board shall have the right and the power
to terminate  the Plan at any time.  No Option  shall be granted  under the Plan
after the  termination  of the Plan,  but the  termination of the Plan shall not
have any other effect and any Option  outstanding at the time of the termination
of the Plan may be amended and exercised and may vest after  termination  of the
Plan at any time prior to the expiration  date of such Option to the same extent
such Option could have been amended or would have been  exercisable  or vest had
the Plan not terminated.

         8.17  Costs  and   Expenses.   All  costs  and  expenses   incurred  in
administering the Plan shall be borne by the Company.

         8.18 Unfunded Plan.  The Plan shall be unfunded.  The Company shall not
be  required  to  establish  any  special  or  separate  fund or make any  other
segregation of assets to assure the payment of any award under the Plan.




                        1999 SENIOR MANAGEMENT BONUS PLAN
                 (to be approved by the Compensation Committee)


Participants  in the 1999 Senior  Management  Bonus Plan  ("Bonus  Plan")  shall
include all  full-time  positions  Level 17 and above  (except for certain sales
personnel who receive override  commissions),  which includes those  individuals
who could possibly be affected by Section  162(m) of the Internal  Revenue Code,
including but not limited to the Chairman or CEO. This  definition  includes all
full-time  employees  who are  Level 17 and  above  as of March 1,  1999 and all
full-time  employees  who are  promoted to or hired at a Level 17 or above after
March 1, 1999.  Bonuses will be solely  predicated on the consolidated  earnings
performance of Mid Atlantic Medical Services, Inc. (MAMSI).

Bonuses shall be paid according to the following guidelines:

1. Minimum  Bonus- Minimum  bonuses shall be paid if MAMSI and its  consolidated
subsidiaries  (the  "Company")  achieve a profit of  $36,000,000  before  income
taxes,  expansion or acquisition  costs, one time charges or credits not related
to current year operations,  and prior to the physicians' return of withhold and
payment of physicians' bonuses.

2. Maximum Bonus- Maximum bonuses shall be paid if the Company achieves a profit
of $42,000,000  before income taxes,  expansion or acquisition  costs,  one time
charges or credits  not  related to current  year  operations,  and prior to the
physicians' return of withhold and payment of physicians' bonuses.

3.  Pro-ration-  In the event that the Company  earns  between  $36,000,000  and
42,000,000 bonus payments will be pro-rated accordingly.

4. Bonus Base- In general, bonus payments will be calculated based on the salary
level on March 1,  1999.  With  respect  to new  participants  who are  hired or
initially  promoted to a full-time  non-sales  position Level 17 or higher after
March 1, 1999,  the bonus will be  calculated  at the initial Level 17 or higher
salary.With respect to a participant who is demoted during 1999, the amount will
be  calculated  on a pro-rata  basis  based on the  portion of the year that the
employee was employed in a full-time non-sales position Level 17 or higher.

5. New  Employees-  New  full-time  employees  or those  who are  promoted  to a
full-time  non-sales  position  Level 17 or higher  during 1999 are  eligible to
participate in the Bonus Plan.  The bonus payment will be pro-rated  accordingly
for the  portion  of the year that the  employee  was  employed  in a  full-time
non-sales  position  Level 17 or  higher  or upon any  other  reasonable  method
designed to fairly  compensate and recruit a new employee,  with the approval of
the Compensation Committee.

6.  Termination-  No bonus  shall be paid to bonus  participants  who  terminate
employment  with the Company or are  terminated by the Company prior to the year
end unless approved by the Compensation Committee. In the event of retirement or
death, the employee or his\her  beneficiary will receive a pro-rated  portion of
the bonus.

7. Time of Payment- Bonus payments shall be distributed following the completion
of the audit of the financial statement(s) for the Company for the year 1999.

8. Bonus  Percentages-  The  distribution  of the bonus payments to participants
shall be limited according to the following percentage ranges:

    
         Chairman,  CEO,  President                 12.5 - 45% 
         Senior Executive Vice President            10.5 -38%      
         Executive  Staff (Levels 18 through 23,
         excluding CEO, Chairman and Senior             
         Executive Vice President)                  6.0 - 28%
         Senior Staff (Level 17)                    5.5 - 25%

For the  purposes  of  administering  this Bonus  Plan,  any  offices  held by a
participant in an interim capacity will be credited as permanent positions.

9. Relationship to Other Bonus Plan- This Bonus Plan is substantially similar to
the 1999  Management  Bonus Plan for full-time  non-sales  employees Level 10 to
Level 16. The primary differences between the Bonus Plan and the 1999 Management
Bonus Plan are the percentage  payments available to personnel and the personnel
covered.

10.  Interpretation  of the  Bonus  Plan  by the  Compensation  Committee-  If a
question as to the  interpretation  of the Bonus Plan arises,  the  Compensation
Committee  may  interpret  the Bonus  Plan.  The  decision  of the  Compensation
Committee is final.

11.  Amendment-  The  Compensation  Committee  may not amend  the Bonus  Plan to
materially increase the amounts payable thereunder to participants.

                    




                           1999 MANAGEMENT BONUS PLAN

Participants  in the 1999  Management  Bonus Plan shall  include  all  full-time
non-sales  positions  from  Level  10 up to Level  16.  Bonuses  will be  solely
predicated on the  consolidated  earnings  performance  of Mid Atlantic  Medical
Services, Inc. (MAMSI).

Bonuses shall be paid according to the following guidelines:

1.  Minimum  Bonus-  Minimum  bonuses  shall  be  paid  if  the  MAMSI  and  its
consolidated subsidiaries (the "Company") achieve a profit of $36,000,000 before
income taxes,  expansion or acquisition  costs,  one time charges or credits not
related  to  current  year  operations,  and prior to any  physicians'return  of
withhold and payment of physicians' bonuses.

2. Maximum Bonus- Maximum bonuses shall be paid if the Company achieves a profit
of $42,000,000  before income taxes,  expansion or acquisition  costs,  one time
charges or credits  not  related to current  year  operations,  and prior to any
physician's return of withhold and payment of physicians' bonuses.

3.  Pro-ration-  In the event that the Company  earns  between  $36,000,000  and
$42,000,000, bonus payments will be pro-rated accordingly.

4. Bonus Base- In general,  bonus  payments  will be calculated on cash payments
made  during the year for base  salary,  which  would take into  account  salary
increases due to promotion or merit increases (other than those to employees who
are Level 17 or  higher).  Pro-rated  calculations  will be made at each  salary
level  for the  portion  of the year  that  the new  level  is in  effect.  If a
participant  is demoted to under a Level 10  position,  and  remains in an under
Level 10 position  until December 31, 1998, the employee will receive a pro-rata
bonus payment based upon the time the participant  was in a full-time  non-sales
Level 10 or higher position  during 1999. If, however,  the employee is promoted
or re-promoted to a Level 10 or higher,  the employee is eligible to participate
in the Bonus Plan on a pro-rata  basis for all the time periods during which the
participant  was in a full-time  non-sales  Level 10 or higher  position  during
1999.  If an employee is promoted to a Level 17 or higher,  his or her bonus for
the  portion of the year when he or she was  promoted  is  governed  by the 1999
Senior Management Bonus Plan.

5. New Employees- New full-time  non-sales employees are eligible to participate
in the Bonus Plan.  The bonus  payment  will be  pro-rated  accordingly  for the
portion of the year that the  employee  was  employed at a  full-time  non-sales
Level 10 or higher  position  or upon any other  reasonable  method  designed to
fairly compensate and recruit a new employee,  with the approval of the CFO, CEO
or Chairman.

6.  Termination-  No bonus  shall be paid to bonus  participants  who  terminate
employment  with the Company or are  terminated by the Company prior to the year
end. In the event of  retirement or death,  the employee or his/her  beneficiary
will receive a pro- rated portion of the bonus.

7. Time of Payment- Bonus payments shall be distributed following the completion
of the audit of the financial statement(s) for the Company for the year 1999.

8. Bonus  Percentages-  The  distribution  of the bonus payments to participants
shall be limited according to the following percentage ranges:

         Level 16                                                      5.0 - 23%
         Level 15                                                      4.5 - 20%
         Level 14                                                      4.0 - 15%
         Level 12 & 13                                                 3.5 - 10%
         Level 10 & 11                                                 2.5 -  5%

9. Relationship to Other Bonus Plan- This Bonus Plan is substantially similar to
the 1999 Senior Management Bonus Plan for full-time  employees Level 17 to Level
25.  The  primary  differences  between  the  Bonus  Plan  and the  1999  Senior
Management Bonus Plan are the percentage payments available to personnel and the
personnel covered.

10. Interpretation of the Bonus Plan by the Board of Directors- If a question as
to the the  interpretation of the Bonus Plan arises,  the Board of Directors may
interpret the Bonus Plan. The decision of the Board is final.

11.  Amendment-  The Board of Directors  may amend the Bonus Plan to  materially
increase the amounts payable thereunder to participants or for any other reason.




            AMENDED AND RESTATED MID ATLANTIC MEDICAL SERVICES, INC.
                       STOCK COMPENSATION TRUST AGREEMENT

         THIS AMENDED AND RESTATED STOCK  COMPENSATION  TRUST AGREEMENT made and
entered  into as of the 11th day of January,  1999,  by and between MID ATLANTIC
MEDICAL SERVICES,  INC., a corporation  organized under the laws of the State of
Delaware  (hereinafter referred to as the "Company") and THE BANK OF NEW YORK, a
New York banking corporation (hereinafter referred to as the "Trustee").

         WHEREAS,  the Company (as defined  below)  desires to establish a trust
(the "Trust") in  accordance  with the laws of the State of New York and for the
purposes stated in this Agreement;

         WHEREAS,  the  Trustee  desires to act as trustee of the Trust,  and to
hold  legal  title to the  assets  of the  Trusts,  in trust,  for the  purposes
hereinafter stated and in accordance with the terms hereof;

     WHEREAS,  the Company or its subsidiaries have previously adopted the Plans
(as defined below);

         WHEREAS,  the Company desires to provide  assurance of the availability
of  the  shares  of  its  common  stock  necessary  to  satisfy  certain  of its
obligations or those of its subsidiaries under the Plans (as defined below);

     WHEREAS, the Trustee has accepted such appointment as of August 26, 1996;

         WHEREAS,  the Company intends,  that the assets of the Trust Fund shall
be and  remain  subject  to the  claims  of the  Company's  creditors  as herein
provided and that the Plans not be deemed  funded by virtue of the  existence of
this Trust; and

         WHEREAS,  the Trust is intended to be a "grantor trust" with the result
that the corpus and income of the Trust are  treated as assets and income of the
Company pursuant to Sections 671 through 679 of the Code; and

         NOW,  THEREFORE,  in  consideration  of  the  mutual  covenants  herein
contained,  the Stock  Compensation  Trust  Agreement  dated  December 20, 1996,
effective as of August 26,  1996,  between the Company and the Trustee is hereby
amended and restated in its entirety as follows:

1.       DEFINITIONS; ESTABLISHMENT OF TRUST

         1.1.     Definitions.
                  Whenever  used  in  this  Trust  Agreement,  unless  otherwise
provided or the context otherwise requires:

               Authorized  Officer.  "Authorized  Officer"  means the  Chairman,
President,  any Vice President, the Secretary or the Treasurer of the Company or
any other person or persons as may be designated by the Company
 .
               Board of  Directors.  "Board  of  Directors"  means  the board of
directors of the Company.

          Change of  Control.  "Change of  Control"  means any of the  following
events:  (a) an  acquisition  by any  individual,  entity or group  (within  the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the "Exchange Act")) of beneficial  ownership (within the meaning of
Rule 13d-3  promulgated  under the Exchange  Act) of 50% or more of the combined
voting power of the then outstanding voting securities of the Company; provided,
however,  that the  following  acquisitions  shall  not  constitute  a Change of
Control: (i) an acquisition by or directly from the Company, (ii) an acquisition
by any employee  benefit plan or trust  sponsored or  maintained by the Company;
and (iii) any  acquisition  described in subclauses (A) or (B) of subsection (b)
below; or
                  (b)  approval  by the  stockholders  of the  Company  of (i) a
complete  dissolution  or  liquidation  of the  Company,  (ii) a sale  or  other
disposition  of all or  substantially  all of the  Company's  assets  or (iii) a
reorganization,  merger, or consolidation ("Business Combination") unless either
(A) all or  substantially  all of the  stockholders  of the Company  immediately
prior to the Business  Combination own more than 50% of the voting securities of
the entity surviving the Business  Combination,  or the entity which directly or
indirectly  controls such surviving entity, in substantially the same proportion
as they owned the voting securities of the Company immediately prior thereto, or
(B) the  consideration  (other  than cash paid in lieu of  fractional  shares or
payment upon  perfection  of appraisal  rights)  issued to  stockholders  of the
Company in the  Business  Combination  is solely  common stock which is publicly
traded on an established securities exchange in the United States.

               Code. "Code" means the Internal Revenue Code of 1986, as amended.

                  Committee.  "Committee" means a committee of officers selected
by the  Board  of  Directors,  except  as  provided  in  Section  9.2,  or by an
individual  or  individuals  authorized  by the Board of  Directors to make such
selection which is charged with administration of the Trust.

               Company.  "Company" means Mid Atlantic Medical Services,  Inc., a
Delaware corporation,  or any successor thereto. References to the Company shall
include its subsidiaries where appropriate.  Company Stock "Company Stock" means
shares of common stock, par value $0.01 per share,  issued by the Company or any
successor securities.

                  Extraordinary  Dividend.  "Extraordinary  Dividend"  means any
dividend or other  distribution  of cash or other  property  (other than Company
Stock) made with respect to Company Stock, which the Board of Directors declares
generally to be other than an ordinary dividend.

                  Fair Market  Value.  "Fair Market  Value" means as of any date
the  closing  price  quotation,  or, if none,  the  average of the bid and asked
prices,  as  reported  with  respect to the Company  Stock on the most  recently
available  date,  on any  national  exchange on which the Company  Stock is then
listed,  or  if  not  so  listed,  on  the  NASDAQ  National  Market,  or  other
consolidated  reporting  system  reporting  trades of the Company  Stock.  If he
Company  Stock is not so listed,  "Fair Market  Value" shall mean the average of
the bid and asked prices as quoted by all market makers in the Company Stock. In
the event that a market for the Company Stock does not exist,  the Committee may
determine, in any case or cases, that "Fair Market Value" shall be determined on
the basis of the opinion of one or more  independent  and  reputable  appraisers
qualified to value companies in the Company's line of business.

                  Insolvency.  "Insolvency"  means  (i)  the  inability  of  the
Company to pay its debts as they become due, or (ii) the Company  being  subject
to a pending  proceeding  as a debtor  under the  provisions  of Title 11 of the
United States Code (Bankruptcy Code).

                  Loan.  "Loan"  means the loan and  extension  of credit to the
Trust evidenced by a promissory note (the "Original  Promissory  Note") dated as
of the Closing (as defined in the Amended and  Restated  Common  Stock  Purchase
Agreement dated December 20, 1996,  effective as of August 26, 1996, between the
Trust and the  Company  (the  "1996  Common  Stock  Purchase  Agreement"))  and,
following  cancellation of such promissory  note, by the replacement  promissory
note dated as of the  Rescission  Closing (as  defined in the 1996 Common  Stock
Purchase Agreement),  with which the Trustee purchased Company Stock, as amended
by an Allonge  to the  Original  Promissory  Note  dated as of the  Closing  (as
defined in the  Common  Stock  Purchase  Agreement  dated of even date  herewith
between the Trust and the Company), with which the Trustee will purchase Company
Stock.

                  Option Grant.  "Option Grant" means an option granted under
one of the Plans to a Plan Participant to acquire shares of Company Stock.

                  Plan Committee Certification.  "Plan Committee Certifications"
means a  certification  to be provided to the Trustee by the Committee from time
to time which (i) sets forth the number of shares of Company  Stock  transferred
to a Plan Participant,  and (ii) certifies that the determination of such number
is in accordance with the terms of each Plan.

                  Plans.  "Plans"  means the  employee  plans  listed on 
Schedule A hereto and any other employee benefit plan of the Company  designated
as such by the Board of Directors.

                  Plan Participant.  "Plan Participant" means an individual who
has an Option Grant under any of the Plans.

                  Reliable  Source.  "Reliable  Source" means (i) a report filed
with the Securities and Exchange  Commission,  (ii) a public statement issued by
the Company, or a periodical of general circulation,  including, but not limited
to, The New York Times or The Wall Street Journal, or (iii) a certificate of the
Company signed by the Chief Executive Officer or by the Chairman of the Board of
Directors.

                  Suspense  Account.  "Suspense  Account" means the account in 
which  shares of Company  Stock  acquired  with the Loan are held until they are
released pursuant to Section 3.1.

                  Trust.  "Trust" means the trust established pursuant to this 
Trust Agreement.

                  Trustee.  "Trustee" means The Bank of New York or any 
successor trustee.

                  Trust Year.  "Trust Year" means the period  beginning on the 
date of the  Closing  (the  "Closing  Date")  and  ending on the next  following
December 31st and on each December 31st thereafter.

         1.2.     Establishment of Trust.

                  Trust.  This Agreement and the Trust shall be known as the Mid
Atlantic Medical  Services,  Inc. Stock  Compensation  Trust. The parties intend
that the Trust will be an  independent  legal  entity with title to and power to
convey all of its assets.  The parties  hereto further intend that the Trust not
be subject to the Employee  Retirement  Income Security Act of 1974, as amended.
The Trust is not a part of any of the Plans and does not provide  retirement  or
other  benefits to any Plan  Participant.  The assets of the Trust will be held,
invested  and disposed of by the Trustee,  in  accordance  with the terms of the
Trust.  The  Company  covenants  and  agrees  to at  all  times  make  available
sufficient  shares of Company Stock for purposes of the Plans to the extent that
there are not  sufficient  shares in the Trust to meet the  requirements  of the
Plans;  provided,  however,  that  the  Trustee  shall  not be  responsible  for
enforcing such obligation of the Company.

                  Trustee.  The  trustee  named  above,  and  its  successor  or
successors,  is hereby designated as the trustee  hereunder,  to receive,  hold,
invest,  administer  and  distribute  the  Trust  Fund in  accordance  with this
Agreement,   the  provisions  of  which  shall  govern  the  power,  duties  and
responsibilities of the Trustee.

                  Trust Fund.  The assets held at any time and from time to time
under the Trust  collectively  are herein  referred  to as the "Trust  Fund" and
shall consist of contributions  received by the Trustee,  proceeds of any loans,
investments and  reinvestment  thereof,  the earnings and income  thereon,  less
disbursements  therefrom.  Except as  herein  otherwise  provided,  title to the
assets  of the Trust  Fund  shall at all  times be  vested  in the  Trustee  and
securities that are part of the Trust Fund shall be held in such manner that the
Trustee's  name and the fiduciary  capacity in which the securities are held are
fully  disclosed,  subject  to the right of the  Trustee to hold title in bearer
form or in the name of a nominee,  and the interests of others in the Trust Fund
shall  be  only  the  right  to  have  such  assets  received,  held,  invested,
administered and distributed in accordance with the provisions of the Trust.

                  Irrevocability. The Trust Fund shall be used for the exclusive
purpose of aiding the Company in delivering  the benefits  provided by the Plans
and defraying the expenses of the Trust in accordance with this Trust Agreement.
The Trustee,  however,  is under no obligation to enforce the  requirements  set
forth in the  foregoing  sentence.  No part of the income or corpus of the Trust
Fund shall be recoverable by the Company except as provided in Sections 2.1, 2.2
and 7.2 and  except as  provided  in Article  II of the  Common  Stock  Purchase
Agreement, with respect to the Rescission (as defined in such Agreement).

                  Trust Fund Subject to Claims. Notwithstanding any provision of
this Agreement to the contrary, the Trust Fund shall at all times remain subject
to the claims of the Company's  general creditors under federal and state law as
set forth herein.

2.       CONTRIBUTIONS AND DIVIDENDS

                  2.1.  Contributions.  For each  Trust Year the  Company  shall
contribute to the Trust in cash such amount,  which together with dividends,  as
provided in Section 2.2, and any other earnings of the Trust Fund,  shall enable
the Trustee to make all  scheduled  payments of principal and interest due under
the Loan on a timely basis.  Unless otherwise  expressly  provided  herein,  the
Trustee  shall  apply all such  contributions,  dividends  and  earnings  to the
payment of principal and interest due under the Loan.  The Company may from time
to time, in its sole discretion,  make additional contributions to the Trust for
the purpose of enabling the Trust to make  prepayments of principal with respect
to the Loan (a "Prepayment Contribution"). The Trustee shall immediately use any
Prepayment  Contribution  to make a prepayment of principal  with respect to the
Loan. All contributions  made under the Trust shall be delivered to the Trustee.
The Trustee shall be accountable for all contributions received by it, but shall
have no duty to require any contributions to be made to it.

                  2.2. Dividends. Except as otherwise provided herein, dividends
paid in cash on Company Stock held by the Trust, including Company Stock held in
the  Suspense  Account,  shall be applied to pay  interest  and repay  scheduled
principal due under the Loan. In the event that cash  dividends  paid on Company
Stock held in the Trust, other than Extraordinary  Dividends,  exceed the amount
of scheduled  principal and interest due in any Trust Year, such excess shall be
used to purchase  additional shares of Company Stock and/or shall be distributed
to a broad  cross-section of individuals  employed by the Company, as determined
in good faith by the  Committee.  Dividends  which are not in cash or in Company
Stock (including  Extraordinary Dividends, or portions thereof) shall be reduced
to cash by the Trustee and  reinvested in Company Stock as soon as  practicable.
For purposes of this Agreement,  Company Stock purchased with the proceeds of an
Extraordinary  Dividend,  any excess dividend or with the proceeds of a non-cash
dividend and any dividend paid in the form of Company Stock shall,  for purposes
of this Agreement  (including without limitation Section 3.1 hereof),  be deemed
to  have  been  acquired  with  the  proceeds  of the  Loan.  In  the  Trustee's
discretion,  investments  in  Company  Stock  may be  made  through  open-market
purchases,  private  transactions or (with the Company's consent) purchases from
the  Company.  In  carrying  out the  duties as set forth in this  Section,  the
Trustee shall act solely pursuant to the directions of the Committee.

3.       RELEASE AND ALLOCATION OF COMPANY STOCK

                  3.1.  Release  of  Shares.   Upon  any  payment  (including  a
prepayment)  or  forgiveness  in any Trust Year of any  principal on the Loan (a
"Principal  Payment"),  the following number of shares of Company Stock acquired
with the  proceeds of the Loan shall be  available  for  allocation  ("Available
Shares")  as provided  in this  Article 3: the number of shares so acquired  and
held in the Suspense  Account  immediately  before such payment or  forgiveness,
multiplied  by a fraction the  numerator of which is the amount of the Principal
Payment and the  denominator of which is the sum of such  Principal  Payment and
the remaining principal of the Loan outstanding after such Principal Payment.

                  3.2.   Payment  of   Benefits.   Available   Shares  shall  be
distributed,  as directed by the  Committee,  to the Plan  Participants  at such
times as may be required to provide  shares in  accordance  with the Plans.  Any
payments required by the Plan Participants  shall be made in accordance with the
Plans.

4.       TAX WITHHOLDING

                  4.1.  Withholding of Taxes.  The Trustee shall, as directed by
the  Committee,   withhold,  require  withholding,   or  otherwise  satisfy  any
withholding  obligation,  on any distribution which it is directed to make, such
amount as the Committee shall reasonably estimate to be necessary to comply with
applicable federal, state and local withholding requirements. Upon settlement of
such tax  liability,  the Trustee shall  distribute  the balance of such amount.
Prior to making any distribution hereunder, the Trustee may require such release
of documents from any taxing  authority,  or may require such indemnity,  as the
Trustee shall reasonably deem necessary for its protection.

5.       ADMINISTRATION OF TRUST FUND

                  5.1.  Management  and  Control of Trust  Fund.  Subject to the
terms  of this  Agreement,  the  Trustee  shall  have  exclusive  authority  and
responsibility  to manage and control  the assets of the Trust  Fund;  provided,
however,  that the Trustee shall have no authority or  responsibility  to manage
and control shares of Company Stock  returned to the Company in connection  with
the Rescission from and after the date of the Rescission  Closing (as such terms
are defined in the Amended and Restated Common Stock Purchase  Agreement,  dated
as of December 20, 1996, by and between the Company and the Trust).

                  5.2.  Investment  of Funds.  Except as  otherwise  provided in
Section 2.2 and in this Section  5.2, the Trustee  shall invest and reinvest the
Trust Fund  exclusively  in Company  Stock,  including  any  accretions  thereto
resulting  from the  proceeds  of a tender  offer,  recapitalization  or similar
transaction  which, if not in Company Stock, shall be reduced to cash as soon as
practicable.  The Trustee  may invest any portion of the Trust Fund  temporarily
pending investment in Company Stock,  distribution or payment of expenses in (i)
investments in United States Government obligations with maturities of less than
one  year,  (ii)   interest-bearing   accounts  including  but  not  limited  to
certificates  of  deposit,  time  deposits,  saving  accounts  and money  market
accounts  with  maturities  of less  than one year in any  bank,  including  the
Trustee's,  with  aggregate  capital in excess of  $1,000,000,000  and a Moody's
Investor  Services  rating  of at  least  P1,  or an  equivalent  rating  from a
nationally  recognized ratings agency, which accounts are insured by the Federal
Deposit Insurance Corporation or other similar federal agency, (iii) obligations
issued or  guaranteed by any agency or  instrumentality  of the United States of
America  with  maturities  of less  than  one year or (iv)  short-term  discount
obligations of the Federal National Mortgage Association.

                  5.3.  Trustee's  Administrative  Powers.  Except as  otherwise
provided  herein,  and subject to the Trustee's  duties  hereunder,  the Trustee
shall have the  following  powers and  rights,  in  addition  to those  provided
elsewhere in this Agreement or by law:

                  (a)      to retain any asset of the Trust Fund;

                  (b) subject to Section  5.4 and Article 3, to sell,  transfer,
         mortgage,  pledge, lease or otherwise dispose of, or grant options with
         respect to, any Trust Fund assets at public or private sale;

                  (c) upon  direction  from the Committee and with the Trustee's
         consent,  to borrow from any lender  (including the Company pursuant to
         the Loan), to acquire Company Stock as authorized by this Agreement, to
         enter into lending  agreements  upon such terms  (including  reasonable
         interest and security for the loan and rights to renegotiate and prepay
         such loan) as may be determined by the  Committee;  provided,  however,
         that any collateral  given by the Trustee for the Loan shall be limited
         to cash and  property  contributed  by the  Company  to the  Trust  and
         dividends paid on Company Stock held in the Trust and shall not include
         Company Stock acquired with the proceeds of the Loan;

                  (d) with the consent of the  Committee,  to settle,  submit to
         arbitration,  compromise,  contest,  prosecute  or  abandon  claims and
         demands in favor of or  against  the Trust  Fund  initiated  by a party
         other than the Trustee;

                  (e) to  vote  or to  give  any  consent  with  respect  to any
         securities,  including any Company  Stock,  held by the Trust either in
         person or by proxy for any  purpose,  provided  that the Trustee  shall
         vote,  tender or  exchange  all shares of Company  Stock as provided in
         Section 5.4;

                  (f) to exercise any of the powers and rights of an  individual
         owner with  respect  to any asset of the Trust Fund and to perform  any
         and all other acts that in its  judgment are  necessary or  appropriate
         for the proper  administration  of the Trust  Fund,  even  though  such
         powers,  rights  and  acts  are  not  specifically  enumerated  in this
         Agreement;

                  (g) to employ such accountants, actuaries, investment bankers,
         appraisers, other advisors and agents as may be reasonably necessary in
         collecting, managing,  administering,  investing, valuing, distributing
         and  protecting  the Trust Fund or the assets thereof or any borrowings
         of the Trustee made in accordance with Section 5.3(c); and to pay their
         reasonable fees and out-of-pocket expenses, which shall be deemed to be
         expenses of the Trust and for which the Trustee  shall be reimbursed in
         accordance with Section 4.1;

                  (h) to cause any asset of the Trust Fund to be issued, held or
         registered in the Trustee's  name or in the name of its nominee,  or in
         such form that title will pass by delivery,  provided  that the records
         of the Trustee shall indicate the true ownership of such asset;

                  (i) to utilize  another  entity as custodian to hold,  but not
         invest or otherwise manage or control, some or all of the assets of the
         Trust Fund; and

                  (j) to consult with legal counsel (who may also be counsel for
         the Trustee generally) with respect to any of its duties or obligations
         hereunder; and to pay the reasonable fees and out-of-pocket expenses of
         such counsel, which shall be deemed to be expenses of the Trust and for
         which the Trustee shall be reimbursed in accordance with Section 4.1.

         Notwithstanding the foregoing,  neither the Trust nor the Trustee shall
         have any power to, and shall not, engage in any trade or business.  Any
         loan obtained by the Trustee pursuant to Section 5.3(c) shall be in its
         capacity as Trustee and not in its individual corporate capacity.

                  5.4.     Voting and Tendering of Company Stock.

                  (a) Voting of Company  Stock.  The  Trustee  shall  follow the
directions of each Plan Participant, as to the manner in which shares of Company
Stock held by the Trust are to be voted on each matter  brought before an annual
or  special  stockholders'  meeting  of the  Company  or the manner in which any
consent is to be  executed,  in each case as  provided  below.  Before each such
meeting of  stockholders,  the Trustee  shall cause to be furnished to each Plan
Participant,  a copy of the proxy solicitation material received by the Trustee,
together with a form requesting confidential  instructions as to how to vote the
shares of Company Stock held by the Trustee.  Upon timely  receipt of directions
from the Plan  Participants,  the  Trustee  shall on each such  matter  vote the
number of shares  (including  fractional  shares) of  Company  Stock held by the
Trust as follows:

                  The Company Stock shall be voted by the Trustee with each Plan
Participant  directing  a number of shares of Company  Stock  (the  "Participant
Directed  Amount")  equal to the  quotient of (x) the total  number of shares of
Company Stock held by the Trust and (y) the number of Plan  Participants  on the
relevant date. Any  Participant  Shares for which the Trustee does not receive a
signed voting-direction  instrument shall be voted for, against or to abstain in
the same  proportions as those shares of Company Stock for which the Trustee did
receive instructions.

                  Similar  provisions  shall  apply in the case of any action by
shareholder consent without a meeting.

                  (b) Tender or Exchange of Company Stock. The Trustee shall use
its best efforts  timely to distribute or cause to be  distributed  to each Plan
Participant  any written  materials  distributed to  stockholders of the Company
generally in connection with any tender offer or exchange offer, together with a
form  requesting  confidential  instructions  as to  whether or not to tender or
exchange  shares of  Company  Stock held in the Trust.  Upon  timely  receipt of
instructions   from  a  Plan   Participant,   the  Trustee   shall  tender  such
Participant's  Participant Directed Amount if such Plan Participant has directed
the Trustee to tender.

                  (c) The  Company  shall  maintain  appropriate  procedures  to
ensure  that all  instructions  by  Participants  in the  Plans  are  collected,
tabulated,  and transmitted to the Trustee without being divulged or released to
any person  affiliated with the Company or its affiliates.  All actions taken by
Plan  Participants  shall be held  confidential  by the Trustee and shall not be
divulged or released to any person, other than (i) agents of the Trustee who are
not  affiliated  with the  Company  or its  affiliates  or (ii) by virtue of the
execution by the Trustee of any proxy,  consent or letter of transmittal for the
shares of Company Stock held in the Trust.

6.       CONCERNING THE TRUSTEE

         6.1. Notices to the Trustee.  The Trustee may rely on the authenticity,
truth and accuracy of, and will be fully protected in acting upon:

                  (a) any notice,  direction,  certification,  approval or other
writing of the Company,  if evidenced by an instrument signed in the name of the
Company by an Authorized Officer; and

                  (b) any copy of a resolution  of the Board of Directors of the
Company,  if certified by the Secretary or an Assistant Secretary of the Company
under its corporate seal; or

                  (c) any notice,  direction,  certification,  approval or other
writing,  oral or other transmitted form of instruction  received by the Trustee
and  believed  by it to be  genuine  and  to be  sent  by or on  behalf  of  the
Committee.

         6.2.  Expenses of the Trust Fund.  The Trustee is authorized to pay out
of the Trust Fund:  (a) all  brokerage  fees and transfer tax expenses and other
expenses  incurred in connection with the sale or purchase of  investments;  (b)
all real and personal  property taxes,  income taxes and other taxes of any kind
at any time  levied or assessed  under any  present or future law upon,  or with
respect to, the Trust Fund or any property  included in the Trust Fund;  (c) the
Trustee's  compensation and expenses as provided in Section 6.3 hereof;  and (d)
all other expenses of administering the Trust,  including,  without  limitation,
the expenses incurred by the Trustee pursuant to Section 6.11 of this Agreement,
if any, unless promptly paid to the Trustee by the Company.

         6.3.  Compensation of the Trustee.  The Company will pay to the Trustee
such  compensation  for its  services  as set forth on Exhibit A as from time to
time amended by the Company and the Trustee and will  reimburse  the Trustee for
all expenses (including  reasonable  attorney's fees) incurred by the Trustee in
the  administration  of the Trust. If not promptly paid on request,  the Trustee
may charge such fees and  expenses to and pay the same from the Trust Fund.  The
compensation  and expenses of the Trustee  shall  constitute a lien on the Trust
Fund.

         6.4.  Protection  of the  Trustee.  The  Company  shall  pay and  shall
protect, indemnify and save harmless the Trustee and its officers, employees and
agents from and against any and all losses,  liabilities  (including liabilities
for penalties),  actions, suits, judgments, demands, damages, costs and expenses
(including,  without  limitation,  attorneys'  fees and  expenses) of any nature
arising from or relating to any action or any failure to act by the Trustee, its
officers,  employees and agents or the  transactions  contemplated by this Trust
Agreement,  including,  but not  limited  to,  any  claim  with  respect  to the
Rescission (as such term is defined in the Common Stock Purchase Agreement), any
claim by a shareholder of the Company of any kind or nature, any claim made by a
Plan  Participant or his or her beneficiary  with respect to payments made or to
be made by the  Trustee  and any claim  made by the  Company  or its  successor,
whether  pursuant to a sale of assets,  merger,  consolidation,  liquidation  or
otherwise,  that this Trust  Agreement is invalid or ultra vires,  except to the
extent that any such loss, liability,  action, suit, judgment,  demand,  damage,
cost or expense has been  determined by a final judgment of a court of competent
jurisdiction  to be  solely  the  result  of the  gross  negligence  or  willful
misconduct of the Trustee, its officers, employees or agents. To the extent that
the Company has not fulfilled its obligations under the foregoing  provisions of
this Section,  the Trustee  shall be  reimbursed  out of the assets of the Trust
Fund or may set up reasonable reserves for the payment of such obligations.  The
Trustee  assumes no  obligation  or  responsibility  with  respect to any action
required by this Trust  Agreement  on the part of the Company or the  Committee.
With respect to all action or inaction  taken or not taken by the Trustee  prior
to the  Rescission  Closing,  the rights of the Trustee  shall be  determined in
accordance  with the terms and  provisions  of the 1996  Common  Stock  Purchase
Agreement.

         6.5.  Duties  of the  Trustee.  The  Trustee  will be under  no  duties
whatsoever,  except  such duties as are  specifically  set forth as such in this
Trust  Agreement,  and no implied  covenant or obligation will be read into this
Trust  Agreement  against the  Trustee.  The Trustee  will not be liable for any
action or  failure to act  except if such  action or failure to act  constitutes
gross  negligence  or willful  misconduct.  The Trustee will not be compelled to
take any action toward the execution or enforcement of the Trust or to prosecute
or defend any suit in respect  thereof,  unless  indemnified to its satisfaction
against  loss,  cost,  liability  and expense;  and the Trustee will be under no
liability or obligation to anyone with respect to any failure on the part of the
Company,  the Committee or a Plan  Participant.  Nothing in this Trust Agreement
shall be construed as requiring the Trustee to make any payment in excess of the
amounts  held in the Trust Fund at the time of such payment or otherwise to risk
its own funds.  The  Trustee  has no duty to maintain  records  with  respect to
Option Grants or with respect to the shares in the Suspense Account.

         6.6.  Settlement of Accounts of the Trustee.  The Trustee shall keep or
cause to be kept accurate and detailed  accounts of all  investments,  receipts,
disbursements and other transactions  hereunder.  Such accounts shall be open to
inspection and audit at all reasonable times during normal business hours by any
person  designated by the Company or the Committee.  At least annually after the
end of each Plan Year, the Trustee shall file with the Company and the Committee
a written account,  listing the investments of the Trust Fund and any uninvested
cash balance thereof, and setting forth all receipts,  disbursements,  payments,
and other  transactions  respecting  the  Trust  Fund not  included  in any such
previous account.  Any account,  when approved by the Company and the Committee,
will be binding  and  conclusive  on the  Company,  the  Committee  and all Plan
Participants,  and the Trustee will thereby be released and discharged  from any
liability  or  accountability  to  the  Company,  the  Committee  and  all  Plan
Participants  with  respect to all  matters set forth  therein.  Omission by the
Company or the Committee to object in writing to any specific  items in any such
account  within sixty (60) days after its delivery will  constitute  approval of
the account by the Company and the Committee. No other accounts or reports shall
be required to be given to the  Company,  the  Committee  or a Plan  Participant
except as stated  herein or except  as  otherwise  agreed to in  writing  by the
Trustee.  The Trustee shall not be required to file, and no Plan  Participant or
beneficiary shall have right to compel, an accounting, judicial or otherwise, by
the Trustee.

         6.7.  Right to Judicial  Settlement.  Nothing  contained  in this Trust
Agreement  shall be construed  as  depriving  the Trustee of the right to have a
judicial  settlement of its  accounts,  and upon any  proceeding  for a judicial
settlement  of the Trustee's  accounts or for  instructions  the only  necessary
parties  thereto  in  addition  to the  Trustee  shall  be the  Company  and the
Committee.

         6.8. Resignation or Removal of the Trustee. The Trustee may at any time
resign and may at any time be  removed by the  Company  upon  thirty  (30) days'
notice in writing.

         6.9.  Appointment of Successor Trustee. In the event of the resignation
or removal of the Trustee,  or in any other event in which the Trustee ceases to
act, a  successor  trustee may be  appointed  by the  Company by  instrument  in
writing  delivered  to and  accepted by the  successor  trustee.  Notice of such
appointment  and approval,  if  applicable,  will be given by the Company to the
retiring trustee, and the successor trustee will deliver to the retiring trustee
an  instrument  in  writing  accepting  such  appointment.  Notwithstanding  the
foregoing, if no appointment and approval, if applicable, of a successor trustee
is made by the  Company  within a  reasonable  time  after  such a  resignation,
removal  or other  event,  any court of  competent  jurisdiction  may  appoint a
successor  trustee  after such  notice,  if any,  solely to the  Company and the
retiring trustee, as such court may deem suitable and proper.

         In the event of such resignation,  removal or other event, the retiring
trustee  or its  successors  and  assigns  shall  file with the  Company a final
account  to which the  provisions  of  Section  6.6  hereof  relating  to annual
accounts shall apply.

         In the event of the appointment of a successor trustee,  such successor
trustee  will  succeed to all the  right,  title and estate of, and will be, the
Trustee; and the retiring trustee will after the settlement of its final account
and the receipt of any  compensation  or expenses due it, deliver the Trust Fund
to the  successor  trustee  together  with all  such  instruments  of  transfer,
conveyance,  assignment  and  further  assurance  as the  successor  trustee may
reasonably require.  The retiring trustee will retain a lien upon the Trust Fund
to secure all amounts due the retiring  trustee  pursuant to the  provisions  of
this Trust Agreement.

         6.10.   Merger  or  Consolidation  of  the  Trustee.   Any  corporation
continuing as the result of any merger or resulting  from any  consolidation  to
which merger or  consolidation  the Trustee is a party,  or any  corporation  to
which  substantially  all  the  business  and  assets  of  the  Trustee  may  be
transferred, will be deemed automatically to be continuing as the Trustee.

         6.11.  Declaratory Judgment.  Effective on and after December 20, 1996,
the Trustee  may,  prior to taking any action  pursuant to this  Agreement  with
respect to which the  Trustee  determines  in good faith  that the  legality  or
permissibility of such action under this Agreement or otherwise is questionable,
seek a declaratory  judgment from a court of competent  jurisdiction  as to such
legality or permissibility.

7.       ENFORCEMENT; INSOLVENCY OF THE COMPANY

         7.1. Enforcement of Trust Agreement and Legal Proceedings.  The Company
shall have the right to enforce any  provision of this Trust  Agreement.  In any
action or proceeding  affecting the Trust,  the only necessary  parties shall be
the Company,  the Trustee and the Committee and, except as otherwise required by
applicable  law, no other  person  shall be entitled to any notice or service of
process.  Any judgment  entered in such an action or  proceeding  shall,  to the
maximum  extent  permitted by applicable  law, be binding and  conclusive on all
persons having or claiming to have any interest in the Trust.

         7.2.     Insolvency of the Company.

                  (a) If at any time (i) the Company or a person  claiming to be
a creditor of the Company alleges in writing to the Trustee that the Company has
become  Insolvent,  (ii) the Trustee is served with any order,  process or paper
from which it appears  that an  allegation  to the  effect  that the  Company is
Insolvent has been made in a judicial proceeding or (iii) the Trustee has actual
knowledge of a current report or statement from a nationally  recognized  credit
reporting  agency or from a Reliable  Source to the effect  that the  Company is
Insolvent,  the Trustee shall discontinue allocations under Section 3 under this
Trust  Agreement,  shall  hold the Trust Fund for the  benefit of the  Company's
creditors,  and  shall  resume  allocations  under  Section 3 under  this  Trust
Agreement,  only upon receipt of an order of a court of  competent  jurisdiction
requiring  such  payment or if the  Trustee  has actual  knowledge  of a current
report or statement  from a nationally  recognized  credit  reporting  agency or
other Reliable Source (other than a Reliable Source described in clause (iii) of
the  definition  thereof)  to the  effect  that the  Company  is not  Insolvent;
provided,  however,  that in the event  that  allocations  under  Section 3 were
discontinued by reason of a court order or injunction,  the Trustee shall resume
allocations  only upon receipt of an order of a court of competent  jurisdiction
requiring such allocation.  The Company and its Chief Executive Officer shall be
obligated  to give the  Trustee  prompt  written  notice in the  event  that the
Company  becomes  Insolvent.  The  Trustee  shall not be liable to anyone in the
event  benefit  payments  are  discontinued  pursuant to this  Section  7.2. For
purposes of this Section 7.2, the term Company  shall include any and all of the
Company's subsidiaries.  The Company hereby specifically represents and warrants
to the  Trustee  that,  as of the  date  hereof,  neither  the  Company  nor any
subsidiary of the Company with one or more employees  benefiting under the Plans
is Insolvent.

8.  AMENDMENT, REVOCATION AND TERMINATION

                  8.1.  Amendments.  Except as otherwise  provided  herein,  the
Company  may amend  the  Trust at any time and from  time to time in any  manner
which it deems  desirable,  provided  that no  amendment  which would  adversely
affect the rights, duties,  interests,  fees or obligations of the Trustee shall
be made  without the  Trustee's  written  consent,  which  consent  shall not be
unreasonably withheld.  Notwithstanding the foregoing,  the Company shall retain
the power  under all  circumstances  to amend the Trust to correct any errors or
clarify any ambiguities or similar issues of interpretation in this Agreement.

                  8.2.  Termination.  Subject to the terms of this  Section 8.2,
the Trust shall terminate on the later of (i) the date all Available  Shares are
distributed  and  (ii)  the  date on  which  the  Loan  is  paid  in  full  (the
"Termination  Date").  The Company may  terminate the Trust at any time prior to
the  Termination  Date.  The Trust shall also terminate  automatically  upon the
Company  giving the Trustee  written  notice of a Change of Control (The Trustee
shall  have no duty to  authenticate  the  occurrence  of a Change of  Control).
Immediately upon a termination of the Trust, the Company shall be deemed to have
forgiven all amounts then  outstanding  under the Loan.  As soon as  practicable
after receiving notice from the Company of a Change of Control or upon any other
termination  of the Trust,  the Trustee  shall sell all of the Company Stock and
other  non-cash  assets (if any) then held in the Trust Fund as  directed by the
Committee  in  good  faith  taking  into  account  the   interests  of  a  broad
cross-section of individuals  employed by the Company. The proceeds of such sale
shall first be returned  to the Company up to an amount  equal to the  principal
amount,  plus any  accrued  interest,  of the Loan that was  forgiven  upon such
termination.  Any funds remaining in the Trust after such payment to the Company
(the  "Excess  Funds")  shall  be  allocated  and  distributed  with  reasonable
promptness to Plan  Participants  among a broad  cross-section  of the Company's
employees as determined by the Committee.

                  8.3.  Form of  Amendment  or  Termination.  Any  amendment  or
termination  of the Trust shall be evidenced by an instrument in writing  signed
by an  Authorized  Officer of the  Company,  certifying  that said  amendment or
termination  has been  authorized  and  directed  by the Company or the Board of
Directors, as applicable,  and, in the case of any amendment, shall be consented
to by signature of an authorized officer of the Trustee,  if required by Section
8.1.

9.       MISCELLANEOUS PROVISIONS

         9.1.     Successors.  This Trust  Agreement  shall be binding upon and
inure to the  benefit  of the  Company  and the  Trustee  and  their  respective
successors and assigns.
         9.2.  Committee Action. Any action required or permitted to be taken by
the  Committee  may be taken on behalf of the  Committee  by any  individual  so
authorized.  The Company  (or the  Committee  after a Change of  Control)  shall
furnish to the Trustee  the name and  specimen  signature  of each member of the
Committee  upon  whose  statement  of a decision  or  direction  the  Trustee is
authorized to rely. Until notified of a change in the identity of such person or
persons,  the  Trustee  shall  act upon the  assumption  that  there has been no
change.  After the Company has given the Trustee notice that a Change of Control
has  occurred,  the Board of  Directors  shall no longer have the  authority  to
remove or appoint  members of the  Committee and the members of the Committee in
place  immediately  preceding  such a Change of Control  shall  continue as such
members  and shall  appoint  new  members to replace  any  members who resign or
otherwise cease to be members after the Change of Control.

         9.3.  Nonalienation.  Except  insofar as  applicable  law may otherwise
require,  (a) no amount payable to or in respect of any Plan  Participant at any
time  under  the  Trust  shall  be  subject  in  any  manner  to  alienation  by
anticipation, sale, transfer, assignment, bankruptcy, pledge, attachment, charge
or  encumbrance  of any kind,  and any attempt to so alienate,  sell,  transfer,
assign,  pledge,  attach, charge or otherwise encumber any such amount,  whether
presently or thereafter payable,  shall be void; and (b) the Trust Fund shall in
no manner be  liable  for or  subject  to the debts or  liabilities  of any Plan
Participant.

         9.4.     Communications.

                  (a)  Communications  to the Company  shall be addressed to the
Company at 4 Taft Court,  Rockville,  MD 20850 Attn:  Sharon  Pavlos,  provided,
however,  that upon the Company's written request,  such communications shall be
sent to such other address as the Company may specify.

                  (b)  Communications to the Trustee shall be addressed to it at
One Wall  Street,  New  York,  New  York  10286,  Attn:  Division  Head,  Master
Trust/Custody  Division;  provided,  however,  that upon the  Trustee's  written
request,  such communications shall be sent to such other address as the Trustee
may specify.

                  (c) No communication  shall be binding on the Trustee until it
is received by officer the Trustee having primary responsibility for this Trust,
and no communication shall be binding on the Company until it is received by the
Company.

         9.5.     Headings.  Titles to the Sections of this Trust  Agreement  
are  included  for  convenience  only and  shall  not  control  the  meaning  or
interpretation of any provision of this Trust Agreement.

         9.6. Third Parties. A third party dealing with the Trustee shall not be
required to make  inquiry as to the  authority of the Trustee to take any action
nor be under any  obligation to follow the proper  application by the Trustee of
the proceeds of sale of any property  sold by the Trustee or to inquire into the
validity or propriety of any act of the Trustee.

         9.7.  Governing  Law. This Trust  Agreement  and the Trust  established
hereunder  shall be governed by and construed,  enforced,  and  administered  in
accordance  with the internal  laws of the State of New York  without  regard to
principles  of conflicts of laws and the Trustee shall be liable to account only
in the courts of that state.

         9.8.     Counterparts.  This Trust Agreement may be executed in any
number  of  counterparts,  each of which  shall  be  deemed  to be the  original
although the others shall not be produced.

         IN WITNESS WHEREOF,  this Trust Agreement has been duly executed by the
parties hereto as of the day and year first above written.

Attest                                       MID ATLANTIC MEDICAL SERVICES, INC.

  /s/ Alisa Chestler                             By:  /s/ Sharon C. Pavlos 
                                                Title:  Senior Vice President, 
                                                        General Counsel       

Attest                                        THE BANK OF NEW YORK, as TRUSTEE
/s/ Paulette S. Bazil                              By:  /s/ Richard J. Barry 
                                                     Title:  Vice President 








                         COMMON STOCK PURCHASE AGREEMENT


                  THIS COMMON STOCK PURCHASE AGREEMENT (this "Agreement"),  made
this 11th day of January,  1999 between Mid Atlantic Medical  Services,  Inc., a
Delaware  corporation  (the  "Seller")  and  The  Bank of New  York,  not in its
individual  or  corporate  capacity,  but solely in its capacity as trustee (the
"Trustee")  of  the  Stock  Compensation  Trust  (the  "Trust")  (the  Trust  is
hereinafter  sometimes  referred to as the "Purchaser")  under a trust agreement
between the Seller and the  Trustee  dated  August 26,  1996,  as most  recently
amended and restated as of January 11, 1999 (the "Trust Agreement").

                              W I T N E S S E T H:

                  WHEREAS, as contemplated by the Trust Agreement, the Purchaser
is to  purchase  from the  Seller,  and the Seller is to sell to the  Purchaser,
shares of the Seller's common stock,  $0.01 par value (the "Common Stock"),  all
as more specifically provided herein;

                  NOW,  THEREFORE,  in consideration of the mutual covenants and
undertakings  contained  herein,  and subject to and on the terms and conditions
herein set forth, the parties hereto agree as follows:

                                    ARTICLE I

                           PURCHASE AND SALE OF SHARES

                  1.1 Purchase and Sale. Subject to the terms and conditions set
forth herein,  the Seller will sell to the  Purchaser,  and the  Purchaser  will
purchase from the Seller, at the Closing (as hereinafter  defined),  one million
five hundred thousand  (1,500,000) shares of Common Stock at $12 per share which
is the Fair Market  Value (as  defined in the Trust) of the Common  Stock on the
last full  trading day prior to the  Closing.  The shares of Common  Stock to be
purchased by the Purchaser and sold by the Seller at the Closing are referred to
in this  Agreement  as the  "Common  Shares."  In  consideration  for the Common
Shares,  the Purchaser will deliver to the Seller cash in the amount of $15,000,
representing  the  par  value  of  the  Common  Stock,  and  an  allonge  to the
Replacement  Promissory Note dated December 20, 1996 previously delivered by the
Purchaser to the Seller in the principal amount of $118,076,287.20  (the "Note")
in the form of Exhibit A attached hereto.

                  1.2  Closing.  The  closing  of the sale and  purchase  of the
Common  Shares  hereunder  (the  "Closing"),  will be held at the offices of the
Seller on January 11, 1999 or at such other time, date and place as agreed to by
the parties.

                  1.3  Delivery and  Payment.  At the  Closing,  the Seller will
deliver to the Purchaser a certificate  representing  the Common  Shares,  which
certificate  shall be registered in the name of the Trustee,  or the name of its
nominee,  against  payment  by the  Purchaser  to the  Seller  of the  aggregate
purchase  price  therefor.   Notwithstanding  the  foregoing,   the  Seller  may
accomplish the transfer of shares to the Trustee by book entry, in which event a
cross  receipt  shall be executed by the parties.  The Seller will pay all stamp
and other  transfer  taxes,  if any, which may be payable in respect of the sale
and delivery of the Common Shares.


                                   ARTICLE II

                  REPRESENTATIONS AND WARRANTIES OF THE SELLER

                  The  Seller  represents  and  warrants  to  the  Purchaser  as
follows:

                  2.1  Corporate  Existence and  Authority.  The Seller (i) is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware;  (ii) has all  requisite  corporate  power to execute,
deliver  and  perform  this  Agreement;   and  (iii)  has  taken  all  necessary
corporation action to authorize the execution,  delivery and performance of this
Agreement.

                  2.2 No Conflict.  The execution and delivery of this Agreement
does not, and the consummation of the transactions contemplated hereby will not,
conflict  with or  constitute a default  under (i) the Seller's  certificate  of
incorporation or by-laws,  (ii) any agreement,  indenture or other instrument to
which the Seller is a party or by which the Seller or its assets may be bound or
(iii)  any law,  regulation,  order,  arbitration,  award,  judgment  or  decree
applicable to the Seller.

                  2.3  Validity.  This  Agreement  has been  duly  executed  and
delivered  by the  Seller  and is a valid and  binding  agreement  of the Seller
enforceable  against  the Seller in  accordance  with its  terms,  except as the
enforceability thereof may be limited by any applicable bankruptcy,  insolvency,
reorganization,  moratorium,  fraudulent  conveyance or other laws affecting the
enforcement of creditors' rights generally, and by general principles of equity.

                  2.4 The  Common  Shares.  The  Common  Shares  have  been duly
authorized  and are (or when  issued as  contemplated  hereby  will be)  validly
issued and  constitute  fully-paid  and  non-assessable  shares of Common Stock,
$0.01 par value, of the Seller.  No stockholder of the Seller has any preemptive
or other  subscription  right to acquire any shares of Common Stock.  The Seller
will convey to the  Purchaser,  on the date of Closing,  good and valid title to
the Common Shares free and clear of any liens,  claims,  security  interests and
encumbrances.

                  2.5 Litigation.  There are no actions,  suits,  proceedings or
arbitrations  or  investigations  pending,  or to the Seller's  best  knowledge,
threatened in any court or before any governmental  agency or instrumentality or
arbitration  panel or otherwise  against or by the Seller which seek to or could
restrain,  prohibit,  rescind  or  declare  unlawful,  or result in  substantial
damages in respect of this  Agreement  or the  performance  hereof by the Seller
(including, without limitation, the delivery of the Common Shares).



                                   ARTICLE III

                 REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

                  The Purchaser hereby  represents and warrants to the Seller as
follows:

                  3.1  Authority;  Validity.  The  Purchaser  has full power and
authority to execute and deliver this  Agreement  and the Note as Trustee and to
consummate the transactions contemplated hereby. The Note has been duly executed
by the Trustee on behalf of the Trust and,  upon the  execution  and delivery by
the  Trustee  on behalf  of the  Trust,  the Note  will be a valid  and  binding
agreement of the Purchaser  enforceable in accordance with its terms,  except as
the  enforceability  thereof  may  be  limited  by  any  applicable  bankruptcy,
insolvency,  reorganization,  moratorium,  fraudulent  conveyance  or other laws
affecting  the  enforcement  of  creditors'  rights  generally,  and by  general
principles of equity.


                                   ARTICLE IV

                RESTRICTIONS ON DISPOSITION OF THE COMMON SHARES

                  4.1 Restricted Securities. The Purchaser acknowledges that the
Purchaser is acquiring the Common Shares  pursuant to a transaction  exempt from
registration under the 1933 Act. The Purchaser  represents,  warrants and agrees
that all Common Shares acquired by the Purchaser  pursuant to this Agreement are
being  acquired for  investment  without any intention of making a  distribution
thereof,  or of making any sale or other  disposition  thereof which would be in
violation of the 1933 Act or any applicable  state  securities law, and that the
Purchaser  will not dispose of any of the Common  Shares except that the Trustee
will,  from  time  to  time,  convey  a  portion  of the  Common  Shares  to the
participants  in the Plans (as that term is defined in the Trust  Agreement)  to
satisfy the obligations of the Seller thereunder, and except upon termination of
the Trust to the extent  that the Trust then  holds any  Common  Shares,  all in
compliance  with all  provisions of applicable  federal and state law regulating
the issuance, sale and distribution of securities.

                  4.2  Legend.   Until  such  time  as  the  Common  Shares  are
registered  pursuant  to the  provisions  of the 1933 Act,  any  certificate  or
certificates  representing the Common Shares delivered  pursuant to Section 1.3,
will bear a legend in substantially the following form:

                  "The  shares  represented  by this  certificate  have not been
                  registered  under the Securities Act of 1933, as amended,  and
                  may not be sold,  transferred or otherwise  disposed of unless
                  they have  first been  registered  under such Act or unless an
                  exemption from registration is available."

The Seller may place stop transfer  orders against the  registration or transfer
of any shares evidenced by such a certificate or certificates until such time as
the requirements of the foregoing are satisfied.


                                    ARTICLE V

                              CONDITIONS TO CLOSING

                  5.1 Conditions to Obligations of the Purchaser. The obligation
of the Purchaser to purchase the Common Shares is subject to the satisfaction of
the following conditions on the date of Closing:

                           (a) The  representations and warranties of the Seller
                  set forth in Article II hereof shall be true and correct;  and
                  if the  Closing  shall  occur on a date other than the date of
                  this Agreement, the Purchaser shall have been furnished with a
                  certificate, dated the date of Closing, to such effect, signed
                  by an authorized officer of the Seller; and

                           (b)  All  permits,   approvals,   authorizations  and
                  consents of third parties  necessary for the  consummation  of
                  the transactions herein shall have been obtained, and no order
                  of any court or administrative agency shall be in effect which
                  restrains or prohibits the  transactions  contemplated by this
                  Agreement,  and no suit,  action  or other  proceeding  by any
                  governmental  body or other person shall have been  instituted
                  which  questions the validity or legality of the  transactions
                  contemplated by this Agreement.


                  5.2 Conditions to Obligations of the Seller. The obligation of
the Seller to issue,  sell and deliver  the Common  Shares to the  Purchaser  is
subject to the satisfaction of the following conditions on the date of Closing:

                           (a)  The   representations   and  warranties  of  the
                  Purchaser  set forth in Article  III hereof  shall be true and
                  correct;  and if the Closing  shall occur on a date other than
                  the  date  of this  Agreement,  the  Seller  shall  have  been
                  furnished  with a  certificate  dated the date of Closing,  to
                  such effect,  signed by an  authorized  office of the Trustee;
                  and

                           (b) No order of any  court or  administrative  agency
                  shall  be  in  effect  which   restrains   or  prohibits   the
                  transactions  contemplated  by this  Agreement,  and no  suit,
                  action or other proceeding by any  governmental  body or other
                  person shall have been instituted which questions the validity
                  or  legality  of  the   transactions   contemplated   by  this
                  Agreement.


                                   ARTICLE VI

                                  MISCELLANEOUS

                  6.1 Expenses. The Seller shall pay all of its expenses, and it
shall  pay the  Purchaser's  expenses,  in  connection  with the  authorization,
preparation,  execution and  performance of this  Agreement,  including  without
limitation  the  reasonable  fees  and  expenses  of the  Trustee,  its  agents,
representatives, counsel, financial advisors and consultants.

                  6.2 Survival of Seller's  Representations and Warranties.  All
representations  and  warranties  made by the  Seller to the  Purchaser  in this
Agreement shall survive the Closing.

                  6.3  Notices.  All notices,  requests or other  communications
required or permitted to be delivered  hereunder shall be in writing,  delivered
by registered or certified mail, return receipt requested, as follows:

                           (a)      To the Seller:

                                    Sharon Pavlos, Senior Vice
                                      President and General Counsel
                                    Mid Atlantic Medical Services, Inc.
                                    4 Taft Court
                                    Rockville, MD  20850

                           (b)      To the Purchaser:

                                    Richard J. Barry
                                    The Bank of New York
                                    One Wall Street
                                    New York, NY  10286

Any party hereto may from time to time,  by written  notice given as  aforesaid,
designate any other address to which notices,  requests or other  communications
addressed to it shall be sent.

                  6.4 Specific Performance.  The parties hereto acknowledge that
damages would be an inadequate  remedy for any breach of the  provisions of this
Agreement  and agree that the  obligations  of the  parties  hereunder  shall be
specifically  enforceable,  and neither party will take any action to impede the
other from seeking to enforce such rights of specific performance.

                  6.5 Successors and Assigns; Integration;  Assignability.  This
Agreement  shall be binding upon and inure to the benefit of and be  enforceable
by the parties hereto,  and their respective legal  representatives,  successors
and assigns.  This Agreement (a) constitutes,  together with the Note, the Trust
Agreement, and any other written agreements between the Purchaser and the Seller
executed  and  delivered on the date hereof,  the entire  agreement  between the
parties  hereto and supersedes  all other prior  agreements and  understandings,
both  written and oral,  among the parties,  with respect to the subject  matter
hereof;  (b) shall not confer upon any person other than the parties  hereto any
rights or remedies  hereunder;  and (c) shall not be  assignable by operation of
law or otherwise, except that the Trustee may assign all its rights hereunder to
any corporation or other institution  exercising trust powers in connection with
any such institution assuming the duties of a trustee under the Trust.

                  6.6 Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the state of New York.

                  6.7 Further  Assurances.  Subject to the terms and  conditions
herein provided, each of the parties hereto agrees to use all reasonable efforts
to take,  or cause to be taken,  all action and to do, or cause to be done,  all
things  necessary,  proper or advisable to  consummate  and make  effective  the
transactions contemplated by this Agreement.

                  6.8  Amendment  and  Waiver.  No  amendment  or  waiver of any
provision of this Agreement or consent to departure therefrom shall be effective
unless in writing and signed by the Purchaser and the Seller.

                  6.9 Counterparts. This Agreement may be executed in any number
of counterparts with the same effect as if the signatures  thereto were upon one
instrument.

                  6.10 Certain  Limitations.  The execution and delivery of this
Agreement  and the  performance  by the Trustee of this  Agreement and under the
terms of the Trust have been or will be, effected by the Trustee in its capacity
as Trustee. Nothing in this Agreement shall be interpreted to increase, decrease
or modify in any manner  any  liability  of the  Trustee to the Seller or to any
trustee,  representative or other claimant by right of the Seller resulting from
the Trustee's performance of its duties under the constituent instruments of the
Trust, and no personal  liability shall be asserted or enforceable  against said
entity  by  reason  of any  of  the  covenants,  statements  or  representations
contained in this Agreement.

                  6.11  Incorporation.  The  terms and  conditions  of the Trust
Agreement relating to the nature of the  responsibilities of the Trustee and the
indemnification  of the  Trustee  by  the  Seller  are  incorporated  herein  by
reference and made applicable to this Agreement.

                  IN WITNESS  WHEREOF,  the undersigned  have duly executed this
Agreement on the date and year first above written.


                                           Mid Atlantic Medical Services, Inc.


                                           By:  /s/ Sharon C. Pavlos
                                           Title:  Senior Vice President, 
                                                   General Counsel



                              The Bank of New York in its capacity as trustee
                               of the Mid Atlantic Medical Services, Inc. Stock
                               Compensation Trust


                                                     By: /s/ Richard J. Barry   
                                                     Title:  Vice President  



                                    EXHIBIT A

                                     Allonge


<PAGE>






                     ALLONGE TO REPLACEMENT PROMISSORY NOTE

         This Allonge made this 11th day of January,  1999,  to the  Replacement
Promissory Note dated December 20, 1996 made by The Bank of New York, not in its
individual or corporate  capacity,  but solely in its capacity as Trustee of the
Mid Atlantic Medical Services,  Inc. Stock  Compensation  Trust  ("Borrower") in
favor of Mid Atlantic Medical Services, Inc. ("Lender").

         WHEREAS,  Borrower  executed  and  delivered  to  Lender a  Replacement
Promissory  Note dated  December  20, 1996 in the original  principal  amount of
$129,902,500 (the "Original Note").

         WHEREAS,  $100,091,287.20  of the principal amount of the Original Note
remains unpaid as of the date hereof.

         WHEREAS,  in order to finance  the  Borrower's  purchase  of  1,500,000
shares of the  Lender's  common  stock  pursuant  to the  terms of Common  Stock
Purchase  Agreement  of even date  herewith  between  the  Borrower  and Lender,
Borrower and Lender wish to increase the  principal  amount of the Original Note
due and owing from  $100,091,287.20 to  $118,076,287.20  while leaving all other
terms of the Original Note unamended.

         NOW, THEREFORE, for good and valuable consideration and intending to be
legally bound hereby, the parties hereto agree as follows:

                  (1) The  Original  Note is  hereby  amended  by  deleting  all
         references  to   "$129,902,500"   and  by  inserting  in  lieu  thereof
         "$118,076,287.20."

                  (2) The last sentence of the second  paragraph of the Original
         Note is hereby  amended by deleting the date "December 20, 1996" and by
         inserting in lieu thereof January 11, 1999."

                  (3) Schedule A attached to the Original Note is hereby amended
         and restated in its entirety in the form attached hereto as Exhibit 1.

                  (4) Schedule B attached to the Original Note is hereby amended
         and restated in its entirety in the form attached hereto as Exhibit 2.

                  (5) Except as expressly amended hereby, the Original Note
         shall remain unamended and in full force and effect.

         IN WITNESS  WHEREOF,  this Allonge to  Replacement  Promissory  is made
effective as of the 11th day of January, 1999.


Attest:                     THE BANK OF NEW YORK, not in its individual
                            corporate capacity, but solely in its capacity as
                            Trustee of the Mid Atlantic Medical Services, Inc.
                            Stock Compensation Trust

  /s/ Paulette S. Bazil                       By:  /s/ Richard J. Barry   

                                              Title:  Vice President


Attest:                                      MID ATLANTIC MEDICAL SERVICES, INC.

  /s/ Alisa Chestler                           By:  /s/ Sharon C. Pavlos

                                               Title:  Senior Vice President, 
                                                       General Counsel       
<PAGE>



                               EXHIBIT 1

 Trust Year                      Amount

    1999                      9,000,000.00
    2000                      9,000,000.00
    2001                      9,000,000.00
    2002                      9,000,000.00
    2003                      9,000,000.00
    2004                      9,000,000.00
    2005                      9,000,000.00
    2006                      9,000,000.00
    2007                      9,000,000.00
    2008                      9,000,000.00
    2009                      9,000,000.00
    2010                      9,000,000.00
    2011                     10,076,287.20



<PAGE>



                                    Exhibit 2
                              Interest
  Pay Date       Year          Amount
     1/5      1999               2,017,812
    4/15                         2,361,526
    7/15                         2,317,526
    10/15                        2,271,526
     1/5      2000               2,227,526
    4/15                         2,181,526
    7/15                         2,137,526
    10/15                        2,091,526
     1/5      2001               2,047,526
    4/15                         2,001,526
    7/15                         1,957,526
    10/15                        1,911,526
     1/5      2002               1,867,526
    4/15                         1,821,526
    7/15                         1,777,526
    10/15                        1,731,526
     1/5      2003               1,687,526
    4/15                         1,641,526
    7/15                         1,597,526
    10/15                        1,551,526
     1/5      2004               1,507,526
    4/15                         1,461,526
    7/15                         1,417,526
    10/15                        1,371,526
     1/5      2005               1,327,526
    4/15                         1,281,526
    7/15                         1,237,526
    10/15                        1,191,526
     1/5      2006               1,147,526
    4/15                         1,101,526
    7/15                         1,057,526
    10/15                        1,011,526
     1/5      2007                 967,526
    4/15                           921,526
    7/15                           877,526
    10/15                          831,526
     1/5      2008                 787,526
    4/15                           741,526
    7/15                           697,526
    10/15                          651,526
     1/5      2009                 607,526
    4/15                           561,526
    7/15                           517,526
    10/15                          471,526
     1/5      2010                 427,526
    4/15                           381,526
    7/15                           337,526
    10/15                          291,526
     1/5      2011                 247,526
    4/15                           201,526
    7/15                           152,637
    8/26                            46,251
                                65,035,474







     EMPLOYMENT AGREEMENT THIS AGREEMENT, made and entered as of this 8th day of
January,  1999 ("Effective Date"), by and between Mid Atlantic Medical Services,
Inc., a Delaware  corporation  with its  principal  executive  offices at 4 Taft
Court, Rockville, Maryland 20850 ("Company"), and Mark D. Groban, "Executive");

     WHEREAS,  the Company  wishes to assure itself of the services of Executive
for the period provided in this Agreement,  and Executive is willing to serve in
the employ of the Company on a full-time basis for said period;

     WHEREAS,  the Company and Executive desire to set forth the amounts payable
and  benefits  to be  provided  by the  Company to  Executive  in the event of a
termination of Executive's  employment with the Company under the  circumstances
set forth herein;

     NOW, THEREFORE,  in consideration of the mutual covenants herein contained,
the parties hereto hereby agree as follows:

     1. Employment.  The Company agrees to continue Executive in its employ, and
Executive  agrees  to remain in the full  time  employ of the  Company,  for the
period stated in Section 3 hereof and upon the other terms and conditions herein
provided.

     2.  Position  and  Responsibilities.  The Company  employs  Executive,  and
Executive  agrees to serve,  as interim  Chairman of the Board of the Company on
the conditions  hereinafter set forth. Executive agrees to perform such services
consistent  with his  position  as shall from time to time be assigned to him by
the Company's Board of Directors  ("Board"),  or another executive designated by
the Board.  Such duties may include the  appointment  of Executive as an officer
and/or director of any present or future  subsidiary or affiliate of the Company
without any additional remuneration under this Agreement. Executive shall devote
all  of his  business  time,  attention,  skill,  and  efforts  to the  faithful
performance of the duties hereunder.


     3. Term. The period of Executive's employment under this Agreement with the
Company (i) shall commence as of the Effective Date and remain in effect for one
year after the date of the  approval  by the Board of  Directors  of a permanent
Chairman of the Board and a permanent  Chief  Executive  Officer and  President,
whichever  date is later.  In the event  Executive is approved as the  permanent
Chairman of the Board,  the parties agree to terminate  this agreement and enter
into a new employment agreement.

     4. Compensation and Reimbursement of Expenses. For all services rendered by
Executive in any capacity  during  employment  under this Agreement  (including,
without  limitation,  services  as an  executive,  officer,  or  director of the
Company,  or any  subsidiary or affiliate of the Company,  or as a member of any
committee  of the  Board  of  Directors  of the  Company  or any  subsidiary  or
affiliate of the Company),  the Company shall pay Executive as compensation  (A)
an annual salary ("Base Salary"); (B) such bonus for such period, if any, as may
be awarded to Executive  from time to time pursuant to any Bonus Plan adopted by
the Company for its senior  management or otherwise awarded by the Board or by a
committee  designated by the Board;  and (C) stock options at the  discretion of
the Board or the  appropriate  Committee of the Board. By action of the Board on
February 25, 1999, the Company will grant Executive 85,000 shares of MAMSI stock
options as of that date. Such options will vest on the date of the February 2000
Board meeting on the  following  prorata basis over a period to be determined by
the percentage  increase of 1999 earnings per share over 1998 earnings per share
as adjusted  for one time items and as  determined  by the Board at its February
2000 meeting at which 1999 audited earnings are announced:

                 1999 EPS     % Increase   Vesting    Dates of Vesting 
                   up to          0-16%    5 years     1/5 in  2/2000;  1/5 in 
                   $0.51                               2/2001;  1/5 in 2/2002;
                                                       1/5 in 2/2003; 
                                                       1/5 in 2/2004
                   $0.54           23%     4 years     1/4 in 2/2000;  1/4 in 
                                                       2001; 1/4 in 2/2002; 
                                                       1/4 in 2/2003 
                   $0.57           30%     3 years     1/3 in  2/2000;  1/3 in 
                                                       2/2001; 1/3 in 2002
                   $0.60           36%     2 years     1/2 in 2/2000; 1/2 in 
                                                       2/2001

                   0.63            43%     1 year      All in 2/2000
                   or greater
For the  purposes  of the  above  calculation,  the 1998  earnings  per share is
established  at $.44 per share.  Base Salary  shall be not less than the rate at
which  Executive is  compensated  on the Effective  Date which is $475,000.  The
Company shall also  reimburse  Executive,  in accordance  with such policies and
procedures  as the Board may  establish  from time to time,  for all  reasonable
travel and other  expenses  incurred  by  Executive  in the  performance  of his
obligations   under  this  Agreement.   Executive  shall  also  be  entitled  to
participate  in any benefit plans  established  by the Company for which Company
executives  are  or  shall  become  eligible.

     5. Termination of Employment.  Executive's  employment under this Agreement
may be terminated by the Company or Executive as follows:
         (a)      Disability.
                  (i) If  Executive  fails to  perform  his  duties  under  this
         Agreement  on account  of  Disability  (as  hereinafter  defined),  the
         Company may give notice to Executive to terminate  this  Agreement on a
         date not less than thirty (30) days thereafter  ("Notice  Period") and,
         if Executive has not resumed full  performance of his duties under this
         Agreement within such Notice Period, then Executive's  employment under
         this  Agreement  will  terminate  on the date  provided  in the  notice
         ("Disability Termination Date").
                  (ii)  During  any  period of  Disability,  the  Company  shall
         maintain and pay for health and other insurance  benefits for Executive
         at least equal to those he had at the commencement of such Disability.
                  (iii) As used in this Agreement,  the term "Disability"  shall
         mean the  inability  of  Executive  to perform  his  duties  under this
         Agreement  by reason of his medical  disability,  as  determined  by an
         independent  physician  selected  with the  approval  of the  Board and
         Executive.  

          (b) Death. If Executive dies while employed under this Agreement,  his
     employment  under this Agreement will terminate as of the date of his death
     ("Date of Death").  Within  thirty  (30) days after the Date of Death,  the
     Company shall pay to  Executive's  legal  representative  Executive's  Base
     Salary as then in effect  that has  accrued to the last day of the month in
     which the Date of Death  occurs.  If the  Executive  dies  while  receiving
     payments  pursuant to Section 5(c) below,  said payment shall  continue for
     the period remaining and shall be paid to the estate of the Executive.

          (c) Certain  Other  Events of  Termination.  In the event that (i) the
     Company  terminates  Executive's  employment  for any  reason  (other  than
     because of death,  Disability,  or "just cause" (as  hereinafter  defined),
     (ii) Executive  terminates his employment  with the Company  because of the
     Company's material breach of this Agreement, (iii) Executive terminates his
     employment  with the Company because the Company  requires  Executive to be
     based  anywhere  other  than   Executive's   current   location  or  within
     seventy-five  (75) miles round trip of the  Company's  principal  executive
     offices  (except for required  travel on the Company's  business),  or (iv)
     Executive   terminates  his  employment  with  the  Company  because  of  a
     substantial  reassignment of duties and  responsibilities  not related to a
     change in control as defined  herein,  then the Company shall pay Executive
     an amount equal to 12 months Base Salary paid in equal  bi-weekly  payments
     over a period of one year commencing on the Executive  Termination Date and
     in  accordance  with the regular  payroll  practices  of the  Company.  The
     Company  shall also pay  Executive  any pro-rata  bonus that the  Executive
     would have been entitled to had he been employed until the end of the year.
     In addition,  all stock  options  which  Executive  has been granted  shall
     immediately vest and become  exercisable  under the terms of the applicable
     plan.  For the purposes of the time period  available for  exercising  such
     stock  options,  Executive  shall be  considered an employee of the Company
     unless terminated  pursuant to subsection (e) below.  Payment made pursuant
     to this paragraph  shall be the exclusive  remedy provided to Executive and
     Executive  shall not be entitled to any other  severance  benefit  that the
     Company may provide or adopt unless  approved by the Board of the Directors
     of the Company.


          (d)   Retirement.   Executive  shall  be  entitled  to  terminate  his
     employment with the Company on, or at any date after, a date on which he is
     at least  sixty-five (65) years old. Any date on which Executive  elects to
     retire  shall be  referred  to as the  "Retirement  Termination  Date." The
     Company  shall pay to Executive  his Base Salary as then in effect that has
     accrued  to the last day of the month in which the  Retirement  Termination
     Date occurs.

          (e)  Termination  by the Company  for Just Cause.

               (i) The Company may terminate  Executive's  employment  for "just
          cause" at any time by giving  written  notice  thereof  to  Executive.
          (Except as provided below,  the date of such notice is the "Just Cause
          Termination  Date" unless  otherwise  provided in the notice).  Within
          thirty (30) days after the Just Cause  Termination  Date,  the Company
          shall pay to  Executive  his Base  Salary  as then in effect  that has
          accrued to the Just Cause  Termination  Date. For the purposes of this
          subparagraph,   "just  cause"  shall  mean   termination   because  of
          Executive's  personal  dishonesty,   willful  misconduct,   breach  of
          fiduciary duty,  intentional failure to perform stated duties, willful
          violation  of  any  law,  rule  or  regulation   (other  than  traffic
          violations or similar  offenses),  or material breach of any provision
          of this Agreement. Unless otherwise determined by the Board, Executive
          shall have no right to receive  compensation  or other  benefits under
          this Agreement after a termination for just cause.

               (ii) Notwithstanding the foregoing, Executive shall not be deemed
         to have been  terminated  for just cause  pursuant to this Section 5(e)
         unless and until he shall have  received  a copy of a  resolution  duly
         adopted  by the  affirmative  vote of a  majority  of the  Board,  at a
         meeting held for that purpose, declaring that in the good faith opinion
         of the Board one or more of the  conditions  set forth in clause (i) of
         this Section 5(e) has occurred and specifying the particulars  thereof.

         (f)  Termination by Executive  Without  Cause.  Executive may terminate
         this  Agreement  without  cause upon the  provision of two weeks' prior
         written notice to the Company.  Upon such a termination,  the following
         payments will be made by the Company to the Executive:

                    1. If  Executive  elects  such  a  termination  between  the
                       Effective  Date of this  Agreement  and the first date of
                       work of either the permanent  Chairman of the Board,  the
                       permanent Chief Executive or the permanent President, the
                       Executive would receive no benefits under this Agreement.
                    2. If the  Executive  elects  such a  termination  after the
                       first  date of work of  either  the  permanent  Chairman,
                       permanent  Chief  Executive   Officer  or  the  permanent
                       President,  the Executive  would receive the same payment
                       as a termination pursuant to Section 5(c) above.

     6. Change in Control.  Notwithstanding any other provision to the contrary,
the  following  provisions  will  govern in the event of a change in  control as
defined herein.

          a. A change in  control  shall be deemed to have  occurred  if, at any
     time, (I)  substantially all the assets of the Company shall have been sold
     or  transferred by sale,  merger or otherwise,  or if any "person" (as such
     term is used in Sections  13(d) or 14(d) of the Exchange Act) is or becomes
     the beneficial owner, directly or indirectly,  of securities of the Company
     representing 50% or more of the combined voting power of the  then-existing
     outstanding securities of the Company; and (ii) the Executive is reassigned
     without his concurrence to another  position in the Company within 6 months
     of such sale,  merger or other event.  No change in control shall be deemed
     to  have  occurred  if the  reassignment  is on a  temporary  basis  and is
     attributable  to the  Executive's  illness  or other  physical,  mental  or
     emotional disability or incapacity.

          b. In the event of a change in control  as  defined  in  Section  6(a)
     above,  Executive  shall be  entitled to the  compensation  as set forth in
     Section 5(c) above except for the provision  regarding  stock options which
     will be compensated in accordance with subsection 6(c) below.

          c. In the event of a change in control as defined in subsection  6(a),
     all stock options to which  Executive  has been granted  shall  immediately
     vest and become  exercisable.  Such  acceleration  of the  vesting of stock
     options  shall be in addition to, and shall have no affect on, any payments
     accrued pursuant to subsection 6(b).

          d.  The  value  of all  payments,  benefits  and  other  consideration
     received pursuant to subsections 6(b) and 6(c) and contingent upon a change
     in  control,  and any  additional  payments  in the nature of  compensation
     described by Section  280G(b)(2) of the Internal  Revenue  Code,  shall not
     exceed  an  amount  which  is  equal to three  times  the  average  taxable
     compensation from the Company for the "base period" as that term is defined
     in Section  280G(d)(2) of the Internal  Revenue Code.  The parties agree to
     review the impact of the  termination of the Agreement  pursuant to Section
     6, and to negotiate  modifications,  if mutually acceptable,  in situations
     where the results to the Executive and to the Company are not compatible.

      7. Selection of Permanent Chairman of the Board. If the Board of Directors
elects a permanent Chairman of the Board other than Executive during the term of
this Agreement,  Executive will become a Senior  Executive Vice President of the
Company.
      8. Confidential  Information.  Executive shall fully comply with and abide
by the provisions of the Company's  Employee Manual and other announced policies
in  effect  from  time to  time,  including  those  provisions  relating  to the
protection of the Company's confidential information.  The Company and Executive
agree  that the  foregoing  provision  shall  survive  the  termination  of this
Agreement for any reason whatsoever.
      9.  Indemnification.  Employee shall be entitled to indemnification to the
full extent allowed by the Company's Certificate of Incorporation and Bylaws for
third  party  claims and to advances  for  expenses in  defending  against  such
claims.
     10. General Provisions.
         (a) Entire Agreement.  This Agreement contains the entire understanding
between the parties hereto and supersedes any prior employment agreement between
the Company and Executive.
         (b) No Duty to  Mitigate.  Executive  shall not be required to mitigate
the amount of any  payment  provided  for in this  Agreement  by  seeking  other
employment or otherwise, nor shall any amounts received from other employment or
otherwise  by  Executive  offset in any manner the  obligations  of the  Company
hereunder.
         (c)  Nonassignability.  Neither this  Agreement nor any right,  remedy,
obligation or liability  arising  hereunder or by reason hereof is assignable by
Executive,  his beneficiaries,  or legal  representatives  without the Company's
prior written  consent;  provided,  however,  that nothing in this Section 11(d)
shall  preclude (i) Executive  from  designating  a  beneficiary  to receive any
benefit payable hereunder upon his death, or (ii) the executors, administrators,
or other legal  representatives  of Executive or his estate from  assigning  any
rights hereunder to the person or persons entitled thereto.
         (d) Notices. All notices and other communications required or permitted
to be given under this Agreement shall be in writing and shall be deemed to have
been duly  given if  delivered  personally  or sent by  certified  mail,  return
receipt requested, first-class postage prepaid, to the parties to this Agreement
at the following addresses:
                  (i)      if to the Company at:
                           4 Taft Court  
                           Mid Atlantic Medical Service, Inc.  
                           Rockville, MD 20850
                           and
                  (ii) if to Executive at the address set forth on the signature
page. or to such other address as either party to this Agreement shall have last
designated  by notice to the other party.  All such  notices and  communications
shall be deemed to have been  received  on the earlier of the date of receipt or
the third business day after the date of mailing thereof.
         (e) Binding Effect;  Benefits. This Agreement shall be binding upon and
inure to the  benefit of the  parties  to this  Agreement  and their  respective
successors and permitted assigns. Nothing in this Agreement, express or implied,
is intended or shall be construed to give any person,  other than the parties to
this Agreement or their respective successors or permitted assigns, any legal or
equitable  right,  remedy,  or claim under or in respect of any agreement or any
provision contained herein.
         (f) Waiver.  No provision  of this  Agreement  may be amended,  waived,
discharged,  or  terminated  except by an  instrument in writing and executed by
each party.  Any waiver of enforcement of any provision of this Agreement  shall
not  operate or be  construed  as a  continuing  waiver or a waiver of any other
provisions unless expressly stated in such instrument.
         (g) Amendment. This Agreement may be terminated,  amended, modified, or
supplemented only by a written instrument executed by Executive and the Company.
         (h) Governing Law. This Agreement shall be governed by and construed in
accordance  with the law of the State of  Delaware,  regardless  of the law that
might be applied under principles of conflict of laws.
         (i) Severability.  If, for any reason,  any provision of this Agreement
is held invalid,  such  invalidity  shall not affect any other provision of this
Agreement not held so invalid,  and each such other provision shall, to the full
extent  consistent with law, continue in full force and effect. If any provision
of this Agreement shall be held invalid in part, such invalidity shall in no way
affect  the rest of such  provision  not held so  invalid,  and the rest of such
provision,  together with all other  provisions of this Agreement,  shall to the
full extent consistent with law continue in full force and effect.
         IN WITNESS  WHEREOF,  the  Company  has  caused  this  Agreement  to be
executed  and its seal to be affixed  hereunto by its  officers  thereunto  duly
authorized,  and  Executive has signed this  Agreement,  all as of the Effective
Date.
ATTEST:                                     MID ATLANTIC MEDICAL SERVICES, INC.
                                             By:/s/Thomas P. Barbera
(Corporate Seal)                              Name:Thomas P. Barbera
                                              Title:President and CEO
WITNESS                                       EXECUTIVE:

                                               /s/ Mark Groban
      
                                           Address: 4 Taft Ct.
                                                    Rockville, MD 20850



                              EMPLOYMENT AGREEMENT

         THIS  AGREEMENT,  made and entered as of this 8th day of January,  1999
("Effective  Date"),  by and between Mid  Atlantic  Medical  Services,  Inc.,  a
Delaware  corporation  with its  principal  executive  offices at 4 Taft  Court,
Rockville,  Maryland 20850 ("Company"), and Thomas P. Barbera,  "Executive") and
supercedes  and  replaces the  employment  agreement  between the parties  dated
December 4, 1998;
         WHEREAS,  the  Company  wishes to  assure  itself  of the  services  of
Executive for the period provided in this Agreement, and Executive is willing to
serve in the employ of the Company on a full-time basis for said period;
         WHEREAS,  the  Company  and  Executive  desire to set forth the amounts
payable and  benefits to be provided by the Company to Executive in the event of
a termination of Executive's employment with the Company under the circumstances
set forth herein;

     NOW, THEREFORE,  in consideration of the mutual covenants herein contained,
the parties hereto hereby agree as follows: 

     1. Employment.  The Company agrees to continue Executive in its employ, and
Executive  agrees  to remain in the full  time  employ of the  Company,  for the
period stated in Section 3 hereof and upon the other terms and conditions herein
provided.

     2.  Position  and  Responsibilities.  The Company  employs  Executive,  and
Executive agrees to serve, as interim  President and Chief Executive  Officer of
the Company on the conditions hereinafter set forth. Executive agrees to perform
such  services  consistent  with  his  position  as shall  from  time to time be
assigned  to him by the  Company's  Board of  Directors  ("Board"),  or  another
executive  designated by the Board.  Such duties may include the  appointment of
Executive as an officer and/or  director of any present or future  subsidiary or
affiliate  of  the  Company  without  any  additional  remuneration  under  this
Agreement.  Executive shall devote all of his business time,  attention,  skill,
and efforts to the faithful performance of the duties hereunder.

         3. Term. The period of Executive's employment under this Agreement with
the Company (i) shall commence as of the Effective Date and remain in effect for
one year after the date of the approval by the Board of Directors of a permanent
Chairman of the Board and a permanent  Chief  Executive  Officer and  President,
whichever  date is later.  In the event  Executive is approved as the  permanent
President  and Chief  Executive  Officer,  the parties  agree to terminate  this
agreement and enter into a new employment agreement.

         4.  Compensation  and  Reimbursement  of  Expenses.  For  all  services
rendered by Executive in any capacity  during  employment  under this  Agreement
(including,  without limitation,  services as an executive, officer, or director
of the Company, or any subsidiary or affiliate of the Company, or as a member of
any  committee  of the Board of Directors  of the Company or any  subsidiary  or
affiliate of the Company),  the Company shall pay Executive as compensation  (A)
an annual salary ("Base Salary"); (B) such bonus for such period, if any, as may
be awarded to Executive  from time to time pursuant to any Bonus Plan adopted by
the Company for its senior  management or otherwise awarded by the Board or by a
committee  designated by the Board;  and (C) stock options at the  discretion of
the Board or the  appropriate  Committee of the Board. By action of the Board on
February 25, 1999, the Company will grant Executive 85,000 shares of MAMSI stock
options as of that date. Such options will vest on the date of the February 2000
Board meeting on the  following  prorata basis over a period to be determined by
the percentage  increase of 1999 earnings per share over 1998 earnings per share
as adjusted  for one time items and as  determined  by the Board at its February
2000 meeting at which 1999 audited earnings are announced:

                 1999 EPS     % Increase   Vesting    Dates of Vesting 
                   up to          0-16%    5 years     1/5 in  2/2000;  1/5 in 
                   $0.51                               2/2001;  1/5 in 2/2002;
                                                       1/5 in 2/2003; 
                                                       1/5 in 2/2004
                   $0.54           23%     4 years     1/4 in 2/2000;  1/4 in 
                                                       2001; 1/4 in 2/2002; 
                                                       1/4 in 2/2003 
                   $0.57           30%     3 years     1/3 in  2/2000;  1/3 in 
                                                       2/2001; 1/3 in 2002
                   $0.60           36%     2 years     1/2 in 2/2000; 1/2 in 
                                                       2/2001

                   0.63            43%     1 year      All in 2/2000
                   or more
     For the purposes of the above  calculation,  the 1998 earnings per share is
established  at $.44 per share.  Base Salary  shall be not less than the rate at
which  Executive is  compensated  on the Effective  Date which is $475,000.  The
Company shall also  reimburse  Executive,  in accordance  with such policies and
procedures  as the Board may  establish  from time to time,  for all  reasonable
travel and other  expenses  incurred  by  Executive  in the  performance  of his
obligations   under  this  Agreement.   Executive  shall  also  be  entitled  to
participate  in any benefit plans  established  by the Company for which Company
executives are or shall become eligible.
         5.  Termination  of  Employment.   Executive's  employment  under  this
Agreement may be terminated by the Company or Executive as follows:
                  (a)  Disability.  (i) If Executive fails to perform his duties
         under this Agreement on account of Disability (as hereinafter defined),
         the Company may give notice to Executive to terminate this Agreement on
         a date not less than thirty (30) days thereafter ("Notice Period") and,
         if Executive has not resumed full  performance of his duties under this
         Agreement within such Notice Period, then Executive's  employment under
         this  Agreement  will  terminate  on the date  provided  in the  notice
         ("Disability Termination Date").
                  (ii)  During  any  period of  Disability,  the  Company  shall
         maintain and pay for health and other insurance  benefits for Executive
         at least equal to those he had at the commencement of such Disability.
                  (iii) As used in this Agreement,  the term "Disability"  shall
         mean the  inability  of  Executive  to perform  his  duties  under this
         Agreement  by reason of his medical  disability,  as  determined  by an
         independent  physician  selected  with the  approval  of the  Board and
         Executive. 

          (b) Death. If Executive dies while employed under this Agreement,  his
     employment  under this Agreement will terminate as of the date of his death
     ("Date of Death").  Within  thirty  (30) days after the Date of Death,  the
     Company shall pay to  Executive's  legal  representative  Executive's  Base
     Salary as then in effect  that has  accrued to the last day of the month in
     which the Date of Death  occurs.  If the  Executive  dies  while  receiving
     payments  pursuant to Section 5(c) below,  said payment shall  continue for
     the period remaining and shall be paid to the estate of the Executive.

          (c) Certain  Other  Events of  Termination.  In the event that (i) the
     Company  terminates  Executive's  employment  for any  reason  (other  than
     because of death,  Disability,  or "just cause" (as  hereinafter  defined),
     (ii) Executive terminates his or her employment with the Company because of
     the Company's material breach of this Agreement, (iii) Executive terminates
     his employment with the Company because the Company  requires  Executive to
     be based  anywhere  other  than  Executive's  current  location  or  within
     seventy-five  (75) miles round trip of the  Company's  principal  executive
     offices  (except for required  travel on the Company's  business),  or (iv)
     Executive   terminates  his  employment  with  the  Company  because  of  a
     substantial  reassignment of duties and responsibilities,  then the Company
     shall pay  Executive an amount equal to 12 months Base Salary paid in equal
     bi-weekly  payments  over a period of one year  commencing on the Executive
     Termination  Date and in accordance with the regular  payroll  practices of
     the Company.  The Company shall also pay Executive any pro-rata  bonus that
     the Executive  would have been  entitled to had he been employed  until the
     end of the year.  Such bonus  payment shall occur when bonuses are normally
     paid by the Company.  In addition,  all stock options  which  Executive has
     been granted shall immediately vest and become  exercisable under the terms
     of the applicable  plan. For the purposes of the time period  available for
     exercising such stock options, Executive shall be considered an employee of
     the Company unless  terminated  pursuant to subsection  (e) below.  Payment
     made pursuant to this paragraph  shall be the exclusive  remedy provided to
     Executive  and  Executive  shall not be  entitled  to any  other  severance
     benefit that the Company may provide or adopt unless  approved by the Board
     of the Directors of the Company.

          (d)   Retirement.   Executive  shall  be  entitled  to  terminate  his
     employment with the Company on, or at any date after, a date on which he is
     at least  sixty-five (65) years old. Any date on which Executive  elects to
     retire  shall be  referred  to as the  "Retirement  Termination  Date." The
     Company  shall pay to Executive  his Base Salary as then in effect that has
     accrued  to the last day of the month in which the  Retirement  Termination
     Date occurs.

         (e)      Termination by the Company for Just Cause.
                  (i) The Company may terminate Executive's employment for "just
         cause" at any time by  giving  written  notice  thereof  to  Executive.
         (Except as provided  below,  the date of such notice is the "Just Cause
         Termination  Date" unless  otherwise  provided in the  notice).  Within
         thirty  (30) days after the Just Cause  Termination  Date,  the Company
         shall pay to  Executive  his Base  Salary  as then in  effect  that has
         accrued to the Just Cause  Termination  Date.  For the purposes of this
         subparagraph,   "just   cause"  shall  mean   termination   because  of
         Executive's   personal  dishonesty,   willful  misconduct,   breach  of
         fiduciary duty,  intentional failure to perform stated duties,  willful
         violation of any law, rule or regulation (other than traffic violations
         or similar  offenses),  or  material  breach of any  provision  of this
         Agreement.  Unless otherwise  determined by the Board,  Executive shall
         have no right to  receive  compensation  or other  benefits  under this
         Agreement after a termination for just cause.

               (ii) Notwithstanding the foregoing, Executive shall not be deemed
         to have been  terminated  for just cause  pursuant to this Section 5(e)
         unless and until he shall have  received  a copy of a  resolution  duly
         adopted  by the  affirmative  vote of a  majority  of the  Board,  at a
         meeting held for that purpose, declaring that in the good faith opinion
         of the Board one or more of the  conditions  set forth in clause (i) of
         this Section 5(e) has occurred and specifying the particulars  thereof.

         (f)  Termination by Executive  Without  Cause.  Executive may terminate
         this  Agreement  without  cause upon the  provision of two weeks' prior
         written notice to the Company.  Upon such a termination,  the following
         payments will be made by the Company to the Executive:

                    1.  If  Executive  elects  such a  termination  between  the
                    Effective  Date of this Agreement and the first date of work
                    of either the permanent Chairman of the Board, the permanent
                    Chief  Executive or the permanent  President,  the Executive
                    would receive no benefits under this Agreement.

                    2. If the  Executive  elects  such a  termination  after the
                    first  date  of  work  of  either  the  permanent  Chairman,
                    permanent   Chief   Executive   Officer  or  the   permanent
                    President, the Executive would receive the same payment as a
                    termination pursuant to Section 5(c) above.

6. Change in Control.  Notwithstanding any other provision to the contrary,  the
following  provisions will govern in the event of a change in control as defined
herein.

               a. A change in control  shall be deemed to have  occurred  if, at
          any time, (I)  substantially  all the assets of the Company shall have
          been  sold or  transferred  by sale,  merger or  otherwise,  or if any
          "person"  (as  such  term is used in  Sections  13(d)  or 14(d) of the
          Exchange  Act)  is  or  becomes  the  beneficial  owner,  directly  or
          indirectly,  of securities of the Company  representing 50% or more of
          the combined voting power of the then-existing  outstanding securities
          of the  Company;  and (ii) the  Executive  is  reassigned  without his
          concurrence to another position in the Company within 6 months of such
          sale,  merger or other event.  No change in control shall be deemed to
          have  occurred  if the  reassignment  is on a  temporary  basis and is
          attributable to the Executive's  illness or other physical,  mental or
          emotional disability or incapacity.

               b. In the event of a change in control as defined in Section 6(a)
          above, Executive shall be entitled to the compensation as set forth in
          Section 5(c) above except for the  provision  regarding  stock options
          which will be compensated in accordance with subsection 6(c) below.

               c. In the event of a change in control  as defined in  subsection
          6(a),  all stock  options to which  Executive  has been granted  shall
          immediately  vest and become  exercisable.  Such  acceleration  of the
          vesting of stock  options  shall be in addition  to, and shall have no
          affect on, any payments accrued pursuant to subsection 6(b).

               d. The value of all  payments,  benefits and other  consideration
          received  pursuant to subsections  6(b) and 6(c) and contingent upon a
          change  in  control,  and any  additional  payments  in the  nature of
          compensation  described by Section  280G(b)(2) of the Internal Revenue
          Code,  shall not  exceed an amount  which is equal to three  times the
          average taxable compensation from the Company for the "base period" as
          that term is defined in Section  280G(d)(2)  of the  Internal  Revenue
          Code. The parties agree to review the impact of the termination of the
          Agreement  pursuant to Section 6, and to negotiate  modifications,  if
          mutually acceptable,  in situations where the results to the Executive
          and to the Company are not compatible. 

     7.  Selection of Permanent  Chief  Executive  Officer or President.  If the
Board of Directors elects a permanent Chief Executive Officer or President other
than Executive during the term of this Agreement, Executive will become a Senior
Executive Vice President of the Company.

     8. Confidential Information. Executive shall fully comply with and abide by
the provisions of the Company's  Employee Manual and other announced policies in
effect from time to time,  including those provisions relating to the protection
of the Company's confidential information.  The Company and Executive agree that
the foregoing  provision shall survive the termination of this Agreement for any
reason whatsoever.

     9.  Indemnification.  Employee shall be entitled to  indemnification to the
full extent allowed by the Company's Certificate of Incorporation and Bylaws for
third  party  claims and to advances  for  expenses in  defending  against  such
claims.

          10. General Provisions.

     (a) Entire  Agreement.  This  Agreement  contains the entire  understanding
between the parties hereto and supersedes any prior employment agreement between
the Company and Executive.

     (b) No Duty to  Mitigate.  Executive  shall not be required to mitigate the
amount of any payment provided for in this Agreement by seeking other employment
or otherwise,  nor shall any amounts received from other employment or otherwise
by Executive offset in any manner the obligations of the Company hereunder.

     (c)  Nonassignability.  Neither  this  Agreement  nor  any  right,  remedy,
obligation or liability  arising  hereunder or by reason hereof is assignable by
Executive,  his beneficiaries,  or legal  representatives  without the Company's
prior written  consent;  provided,  however,  that nothing in this Section 11(d)
shall  preclude (i) Executive  from  designating  a  beneficiary  to receive any
benefit payable hereunder upon his death, or (ii) the executors, administrators,
or other legal  representatives  of Executive or his estate from  assigning  any
rights hereunder to the person or persons entitled thereto.

     (d) Notices. All notices and other communications  required or permitted to
be given  under this  Agreement  shall be in writing and shall be deemed to have
been duly  given if  delivered  personally  or sent by  certified  mail,  return
receipt requested, first-class postage prepaid, to the parties to this Agreement
at the  following  addresses:
                   (i) if to the  Company at: 
                       Mid  Atlantic  MedicalService,  Inc. 
                       4 Taft Court Rockville,  MD 20850

                       and  

                  (ii) if to Executive at the address  set forth on the 
                       signature  page. 

or to such  other  address  as either  party to this  Agreement  shall have last
designated  by notice to the other party.  All such  notices and  communications
shall be deemed to have been  received  on the earlier of the date of receipt or
the third business day after the date of mailing thereof.

     (e) Binding  Effect;  Benefits.  This  Agreement  shall be binding upon and
inure to the  benefit of the  parties  to this  Agreement  and their  respective
successors and permitted assigns. Nothing in this Agreement, express or implied,
is intended or shall be construed to give any person,  other than the parties to
this Agreement or their respective successors or permitted assigns, any legal or
equitable  right,  remedy,  or claim under or in respect of any agreement or any
provision contained herein.

     (f)  Waiver.  No  provision  of  this  Agreement  may be  amended,  waived,
discharged,  or  terminated  except by an  instrument in writing and executed by
each party.  Any waiver of enforcement of any provision of this Agreement  shall
not  operate or be  construed  as a  continuing  waiver or a waiver of any other
provisions unless expressly stated in such instrument.

     (g)  Amendment.  This Agreement may be terminated,  amended,  modified,  or
supplemented only by a written instrument executed by Executive and the Company.

     (h)  Governing  Law. This  Agreement  shall be governed by and construed in
accordance  with the law of the State of  Delaware,  regardless  of the law that
might be applied under principles of conflict of laws.

     (i)  Severability.  If, for any reason,  any provision of this Agreement is
held  invalid,  such  invalidity  shall not affect any other  provision  of this
Agreement not held so invalid,  and each such other provision shall, to the full
extent  consistent with law, continue in full force and effect. If any provision
of this Agreement shall be held invalid in part, such invalidity shall in no way
affect  the rest of such  provision  not held so  invalid,  and the rest of such
provision,  together with all other  provisions of this Agreement,  shall to the
full extent consistent with law continue in full force and effect.+

     IN WITNESS  WHEREOF,  the Company has caused this  Agreement to be executed
and its seal to be affixed  hereunto by its officers  thereunto duly authorized,
and Executive has signed this Agreement, all as of the Effective Date.
Date.
ATTEST:                                     MID ATLANTIC MEDICAL SERVICES, INC.
                                             By:/s/Sharon C. Pavlos
(Corporate Seal)                              Name:Sharon C. Pavlos
                                              Title:Exec VP and General Counsel
WITNESS                                       EXECUTIVE:

Teresa Penland                                  /s/ Thomas P. Barbera
      
                                           Address: 4 Taft Ct.
                                                    Rockville, MD 20850 


     EMPLOYMENT AGREEMENT THIS AGREEMENT, made and entered as of this 8th day of
January,  1999 ("Effective Date"), by and between Mid Atlantic Medical Services,
Inc., a Delaware  corporation  with its  principal  executive  offices at 4 Taft
Court, Rockville, Maryland 20850 ("Company"), and Robert E. Foss ("Executive");

         WHEREAS,  the  Company  wishes to  assure  itself  of the  services  of
Executive for the period provided in this Agreement, and Executive is willing to
serve in the employ of the Company on a full-time basis for said period;

         WHEREAS,  the  Company  and  Executive  desire to set forth the amounts
payable and  benefits to be provided by the Company to Executive in the event of
a termination of Executive's employment with the Company under the circumstances
set forth herein;

          NOW,  THEREFORE,  in  consideration  of the  mutual  covenants  herein
contained, the parties hereto hereby agree as follows:

          1. Employment. The Company agrees to continue Executive in its employ,
     and Executive agrees to remain in the full time employ of the Company,  for
     the  period  stated  in  Section  3 hereof  and upon the  other  terms  and
     conditions herein provided.

          2. Position and Responsibilities.  The Company employs Executive,  and
     Executive  agrees  to serve,  as Senior  Executive  Vice  President  of the
     Company  on the  conditions  hereinafter  set  forth.  Executive  agrees to
     perform such  services  consistent  with his position as shall from time to
     time be assigned  to him by the  Company's  Chief  Executive  Officer,  the
     Company's Board of Directors ("Board"),  or another executive designated by
     the Board.  Such duties may  include the  appointment  of  Executive  as an
     officer and/or director of any present or future subsidiary or affiliate of
     the  Company  without any  additional  remuneration  under this  Agreement.
     Executive  shall devote all of his business  time,  attention,  skill,  and
     efforts to the faithful performance of the duties hereunder.

          3. Term.  The period of  Executive's  employment  under this Agreement
     with the Company (i) shall  commence as of the Effective Date and remain in
     effect for three (3) years  after the date of the  approval by the Board of
     Directors  of a  permanent  Chairman  of the  Board and a  permanent  Chief
     Executive Officer and President,  whichever date is later.  Notwithstanding
     the above, in no event will this Agreement  continue beyond January 1, 2003
     unless the term is extended by consent of the parties.

          4.  Compensation  and  Reimbursement  of  Expenses.  For all  services
     rendered  by  Executive  in  any  capacity  during  employment  under  this
     Agreement  (including,  without  limitation,   services  as  an  executive,
     officer,  or director of the Company, or any subsidiary or affiliate of the
     Company,  or as a member of any  committee of the Board of Directors of the
     Company or any  subsidiary or affiliate of the Company),  the Company shall
     pay Executive as compensation  (A) an annual salary ("Base Salary") and (B)
     such bonus for such  period,  if any, as may be awarded to  Executive  from
     time to time  pursuant  to any Bonus Plan  adopted by the  Company  for its
     senior  management  or  otherwise  awarded  by the Board or by a  committee
     designated by the Board.  Base Salary for the first year of this  Agreement
     shall be not less than the rate at which  Executive is  compensated  on the
     Effective Date which is $400,000. Thereafter, Base Salary shall be adjusted
     annually. For 2000 and each year thereafter, the Executive Base Salary will
     increase or decrease by an amount equal to 50% of the percentage  change in
     the Company's  consolidated  net income as  determined by the Company,  and
     audited by the Company's  independent  certified public  accountant but any
     annual  increase may not be greater than 20 percent and any annual decrease
     may not be greater than 10 percent.  This increase or decrease  would first
     apply to the year 2000 and would take effect  retroactively to January 1 of
     the then current year.  Items of a non-recurring  nature may be excluded in
     the calculations as mutually agreed to by the Company and the Executive. By
     action of the Board on February 25, 1999, the Company will grant  Executive
     75,000  shares of MAMSI stock  options as of that date.  Such  options will
     vest on the  date of the  February  2000  Board  meeting  on the  following
     prorata basis over a period to be determined by the percentage  increase of
     1999  earnings  per share over 1998  earnings per share as adjusted for one
     time items and as  determined  by the Board at its February 2000 meeting at
     which 1999 audited earnings are announced:

                     1999 EPS     % Increase   Vesting    Dates of Vesting 
                   up to          0-16%    5 years     1/5 in  2/2000;  1/5 in 
                   $0.51                               2/2001;  1/5 in 2/2002;
                                                       1/5 in 2/2003; 
                                                       1/5 in 2/2004
                   $0.54           23%     4 years     1/4 in 2/2000;  1/4 in 
                                                       2001; 1/4 in 2/2002; 
                                                       1/4 in 2/2003 
                   $0.57           30%     3 years     1/3 in  2/2000;  1/3 in 
                                                       2/2001; 1/3 in 2002
                   $0.60           36%     2 years     1/2 in 2/2000; 1/2 in 
                                                       2/2001

                   0.63            43%     1 year      All in 2/2000
                   or more
              For the purposes of the above  calculation,  the 1998 earnings per
share is  established  at $.44 per  share.  The  Company  shall  also  reimburse
Executive,  in  accordance  with such  policies and  procedures as the Board may
establish  from time to time,  for all  reasonable  travel  and  other  expenses
incurred  by  Executive  in  the  performance  of  his  obligations  under  this
Agreement.  Executive shall also be entitled to participate in any benefit plans
established  by the Company for which  Company  executives  are or shall  become
eligible.

          5.  Termination  of  Employment.  Executive's  employment  under  this
     Agreement may be terminated by the Company or Executive as follows:

               (a)  Disability.  (i) If  Executive  fails to perform  his duties
          under  this  Agreement  on  account  of  Disability  (as   hereinafter
          defined),  the Company may give notice to Executive to terminate  this
          Agreement on a date not less than thirty (30) days thereafter ("Notice
          Period")  and, if Executive  has not resumed full  performance  of his
          duties  under  this  Agreement   within  such  Notice   Period,   then
          Executive's employment under this Agreement will terminate on the date
          provided in the notice ("Disability Termination Date").

                  (ii)  During  any  period of  Disability,  the  Company  shall
         maintain and pay for health and other insurance  benefits for Executive
         at least equal to those he had at the commencement of such Disability.

                  (iii) As used in this Agreement,  the term "Disability"  shall
         mean the  inability  of  Executive  to perform  his  duties  under this
         Agreement  by reason of his medical  disability,  as  determined  by an
         independent  physician  selected  with the  approval  of the  Board and
         Executive. 

               (b) Death. If Executive dies while employed under this Agreement,
          his  employment  under this Agreement will terminate as of the date of
          his death ("Date of Death"). Within thirty (30) days after the Date of
          Death,  the  Company  shall pay to  Executive's  legal  representative
          Executive's Base Salary as then in effect that has accrued to the last
          day of the month in which the Date of Death  occurs.  If the Executive
          dies while  receiving  payments  pursuant to Section 5(c) below,  said
          payment shall  continue for the period  remaining and shall be paid to
          the estate of the Executive.

               (c) Certain  Other Events of  Termination.  In the event that (i)
          the Company  terminates  Executive's  employment for any reason (other
          than because of death,  Disability,  or "just  cause" (as  hereinafter
          defined),  (ii) Executive  terminates his employment  with the Company
          because  of the  Company's  material  breach of this  Agreement  (iii)
          Executive  terminates  his  employment  with the  Company  because the
          Company requires Executive to be based anywhere other than Executive's
          current location or within  seventy-five  (75) miles round trip of the
          Company's  principal  executive offices (except for required travel on
          the Company's  business),  or (iv) Executive terminates his employment
          with the Company  because of a substantial  reassignment of duties and
          responsibilities  unrelated  to a change in control as defined  below,
          then the Company shall pay Executive an amount equal to 12 months Base
          Salary,  as adjusted  pursuant  to Section 4, paid in equal  bi-weekly
          payments  over  a  period  of one  year  commencing  on the  Executive
          Termination Date and in accordance with the regular payroll  practices
          of the  Company.  The Company  shall also pay  Executive  any pro-rata
          bonus  that the  Executive  would  have been  entitled  to had he been
          employed  until the end of the year.  Such bonus  payment  shall occur
          when bonuses are normally paid by the Company. In addition,  all stock
          options which  Executive has been granted shall  immediately  vest and
          become  exercisable  under the terms of the  applicable  plan. For the
          purposes  of the time  period  available  for  exercising  such  stock
          options,  Executive  shall be  considered  an  employee of the Company
          unless  terminated  pursuant to  subsection  (e) below.  Payment  made
          pursuant to this paragraph  shall be the exclusive  remedy provided to
          Executive and Executive  shall not be entitled to any other  severance
          benefit that the Company may provide or adopt  unless  approved by the
          Board of Directors of the Company.

                  (d)  Retirement.  Executive shall be entitled to terminate his
         employment  with the Company on, or at any date after,  a date on which
         he is at least  sixty-five  (65) years old. Any date on which Executive
         elects to retire  shall be referred to as the  "Retirement  Termination
         Date." The Company  shall pay to  Executive  his Base Salary as then in
         effect  that has  accrued  to the last  day of the  month in which  the
         Retirement Termination Date occurs.

               (e)  Termination  by the Company for Just Cause. 

                    (i) The Company may  terminate  Executive's  employment  for
               "just  cause" at any time by giving  written  notice  thereof  to
               Executive.  (Except as provided below, the date of such notice is
               the "Just Cause  Termination  Date" unless otherwise  provided in
               the  notice).  Within  thirty  (30)  days  after  the Just  Cause
               Termination  Date,  the Company  shall pay to Executive  his Base
               Salary  as then in  effect  that has  accrued  to the Just  Cause
               Termination  Date. For the purposes of this  subparagraph,  "just
               cause" shall mean  termination  because of  Executive's  personal
               dishonesty,   willful  misconduct,   breach  of  fiduciary  duty,
               intentional  failure to perform stated duties,  willful violation
               of any law, rule or regulation (other than traffic  violations or
               similar  offenses),  or material  breach of any provision of this
               Agreement.  Unless otherwise  determined by the Board,  Executive
               shall have no right to  receive  compensation  or other  benefits
               under this Agreement after a termination for just cause.

                    (ii)  Notwithstanding the foregoing,  Executive shall not be
               deemed to have been  terminated  for just cause  pursuant to this
               Section 6(e) unless and until he shall have  received a copy of a
               resolution duly adopted by the affirmative  vote of a majority of
               the Board, at a meeting held for that purpose,  declaring that in
               the good faith opinion of the Board one or more of the conditions
               set forth in clause (i) of this  Section  6(e) has  occurred  and
               specifying the particulars thereof.

          f.  Termination by Executive  Without  Cause.  Executive may terminate
     this Agreement without cause upon the provision of two weeks' prior written
     notice to the Company. Upon such a termination, the following payments will
     be made by the Company to the Executive:

                    1.  If  Executive  elects  such a  termination  between  the
               Effective  Date of this  Agreement  and the first date of work of
               either the permanent  Chairman of the Board,  the permanent Chief
               Executive or the permanent President, the Executive would receive
               no benefits under this Agreement.

                    2. If the  Executive  elects  such a  termination  after the
               first date of work of either the  permanent  Chairman,  permanent
               Chief Executive Officer or the permanent President, the Executive
               would  receive  the same  payment as a  termination  pursuant  to
               Section 5(c) above.

     6. Change in Control.  Notwithstanding any other provision to the contrary,
the  following  provisions  will  govern in the event of a change in  control as
defined herein.

          a. A change in  control  shall be deemed to have  occurred  if, at any
     time, (I)  substantially all the assets of the Company shall have been sold
     or  transferred by sale,  merger or otherwise,  or if any "person" (as such
     term is used in Sections  13(d) or 14(d) of the Exchange Act) is or becomes
     the beneficial owner, directly or indirectly,  of securities of the Company
     representing 50% or more of the combined voting power of the  then-existing
     outstanding securities of the Company; and (ii) the Executive is reassigned
     without his concurrence to another  position in the Company within 6 months
     of such sale,  merger or other event.  No change in control shall be deemed
     to  have  occurred  if the  reassignment  is on a  temporary  basis  and is
     attributable  to the  Executive's  illness  or other  physical,  mental  or
     emotional disability or incapacity.

          b. In the event of a change in control  as  defined  in  Section  6(a)
     above,  Executive  shall be entitled  to a lump sum payment  which shall be
     equal to two times the  Executive's  base  salary  and two times the amount
     equal to the  maximum  bonus the  Executive  could  have  earned  under the
     applicable  bonus plan for the year in which such change in control  occurs
     in lieu of  payment  under the bonus  plan.  Upon  payment  of the lump sum
     provided under this  subsection,  the  obligations of the Company to employ
     Executive  under this Agreement  shall cease.  However,  if the event which
     triggers the  application of this  provision  occurs in calendar year 2002,
     the Executive shall receive  compensation  under Section 5(c) above as full
     compensation.

          c. In the event of a change in control as defined in subsection  6(a),
     all stock options to which  Executive  has been granted  shall  immediately
     vest and become  exercisable.  Such  acceleration  of the  vesting of stock
     options  shall be in addition to, and shall have no affect on, any payments
     accrued pursuant to subsection 6(b).

          d.  The  value  of all  payments,  benefits  and  other  consideration
     received pursuant to subsections 6(b) and 6(c) and contingent upon a change
     in  control,  and any  additional  payments  in the nature of  compensation
     described by Section  280G(b)(2) of the Internal  Revenue  Code,  shall not
     exceed  an  amount  which  is  equal to three  times  the  average  taxable
     compensation from the Company for the "base period" as that term is defined
     in Section  280G(d)(2) of the Internal  Revenue Code.  The parties agree to
     review the impact of the  termination of the Agreement  pursuant to Section
     6, and to negotiate  modifications,  if mutually acceptable,  in situations
     where the results to the Executive and to the Company are not compatible.

      7. Confidential  Information.  Executive shall fully comply with and abide
by the provisions of the Company's  Employee Manual and other announced policies
in  effect  from  time to  time,  including  those  provisions  relating  to the
protection of the Company's confidential information.  The Company and Executive
agree  that the  foregoing  provision  shall  survive  the  termination  of this
Agreement for any reason whatsoever.

      8.  Indemnification.  Employee shall be entitled to indemnification to the
full extent allowed by the Company's Certificate of Incorporation and Bylaws for
third  party  claims and to advances  for  expenses in  defending  against  such
claims.

      9. General Provisions.

         (a) Entire Agreement.  This Agreement contains the entire understanding
between the parties hereto and supersedes any prior employment agreement between
the Company and Executive.

         (b) No Duty to  Mitigate.  Executive  shall not be required to mitigate
the amount of any  payment  provided  for in this  Agreement  by  seeking  other
employment or otherwise, nor shall any amounts received from other employment or
otherwise  by  Executive  offset in any manner the  obligations  of the  Company
hereunder.
         (c)  Nonassignability.  Neither this  Agreement nor any right,  remedy,
obligation or liability  arising  hereunder or by reason hereof is assignable by
Executive,  his beneficiaries,  or legal  representatives  without the Company's
prior written  consent;  provided,  however,  that nothing in this Section 11(d)
shall  preclude (i) Executive  from  designating  a  beneficiary  to receive any
benefit payable hereunder upon his death, or (ii) the executors, administrators,
or other legal  representatives  of Executive or his estate from  assigning  any
rights hereunder to the person or persons entitled thereto.

         (d) Notices. All notices and other communications required or permitted
to be given under this Agreement shall be in writing and shall be deemed to have
been duly  given if  delivered  personally  or sent by  certified  mail,  return
receipt requested, first-class postage prepaid, to the parties to this Agreement
at the following addresses:

                  (i)      if to the Company at:
                           Mid Atlantic Medical Service, Inc.
                           4 Taft Court
                           Rockville, MD 20850
                           and
                  (ii) if to Executive at the address set forth on the signature
page. or to such other address as either party to this Agreement shall have last
designated  by notice to the other party.  All such  notices and  communications
shall be deemed to have been  received  on the earlier of the date of receipt or
the third business day after the date of mailing thereof.

         (e) Binding Effect;  Benefits. This Agreement shall be binding upon and
inure to the  benefit of the  parties  to this  Agreement  and their  respective
successors and permitted assigns. Nothing in this Agreement, express or implied,
is intended or shall be construed to give any person,  other than the parties to
this Agreement or their respective successors or permitted assigns, any legal or
equitable  right,  remedy,  or claim under or in respect of any agreement or any
provision contained herein.


         (f) Waiver.  No provision  of this  Agreement  may be amended,  waived,
discharged,  or  terminated  except by an  instrument in writing and executed by
each party.  Any waiver of enforcement of any provision of this Agreement  shall
not  operate or be  construed  as a  continuing  waiver or a waiver of any other
provisions unless expressly stated in such instrument.

         (g) Amendment. This Agreement may be terminated,  amended, modified, or
supplemented only by a written instrument executed by Executive and the Company.

         (h) Governing Law. This Agreement shall be governed by and construed in
accordance  with the law of the State of  Delaware,  regardless  of the law that
might be applied under principles of conflict of laws.

         (i) Severability.  If, for any reason,  any provision of this Agreement
is held invalid,  such  invalidity  shall not affect any other provision of this
Agreement not held so invalid,  and each such other provision shall, to the full
extent  consistent with law, continue in full force and effect. If any provision
of this Agreement shall be held invalid in part, such invalidity shall in no way
affect  the rest of such  provision  not held so  invalid,  and the rest of such
provision,  together with all other  provisions of this Agreement,  shall to the
full extent consistent with law continue in full force and effect.

         IN WITNESS  WHEREOF,  the  Company  has  caused  this  Agreement  to be
executed  and its seal to be affixed  hereunto by its  officers  thereunto  duly
authorized,  and  Executive has signed this  Agreement,  all as of the Effective
Date.
ATTEST:                                     MID ATLANTIC MEDICAL SERVICES, INC.
                                             By:/s/Thomas P. Barbera
(Corporate Seal)                             Name:Thomas P. Barbera
                                             Title:President and CEO
WITNESS                                      EXECUTIVE:


/s/Mark D. Groban                                  /s/ Robert E. Foss
                                          Address: 4 Taft Ct.
                                                   Rockville, MD 20850




                          FORM OF EMPLOYMENT AGREEMENT
         THIS  AGREEMENT,  made and entered as of this ___ day of _______,  1998
("Effective  Date"),  by and between Mid  Atlantic  Medical  Services,  Inc.,  a
Delaware  corporation  with its  principal  executive  offices at 4 Taft  Court,
Rockville,  Maryland  20850  ("Company"),  and  ______________,   an  individual
residing at ______________________________________ ("Executive");
         WHEREAS,  the  Company  wishes to  assure  itself  of the  services  of
Executive for the period provided in this Agreement, and Executive is willing to
serve in the employ of the Company on a full-time basis for said period;
         WHEREAS,  the  Company  and  Executive  desire to set forth the amounts
payable and  benefits to be provided by the Company to Executive in the event of
a termination of Executive's employment with the Company under the circumstances
set forth herein;

          NOW,  THEREFORE,  in  consideration  of the  mutual  covenants  herein
contained, the parties hereto hereby agree as follows:

     1. Employment.  The Company agrees to continue Executive in its employ, and
Executive  agrees  to remain in the full  time  employ of the  Company,  for the
period stated in Section 3 hereof and upon the other terms and conditions herein
provided.

     2.  Position  and  Responsibilities.  The Company  employs  Executive,  and
Executive  agrees to serve,  as a Senior  Vice  President  of the Company on the
conditions  hereinafter  set forth.  Executive  agrees to perform such  services
consistent  with his or her  position  as shall from time to time be assigned to
him by the Company's Chief Executive  Officer,  the Company's Board of Directors
("Board"), or another executive designated by the Board. Such duties may include
the  appointment  of Executive as an officer  and/or  director of any present or
future   subsidiary  or  affiliate  of  the  Company   without  any   additional
remuneration  under this  Agreement.  Executive  shall  devote all of his or her
business time, attention,  skill, and efforts to the faithful performance of the
duties hereunder.

     3. Term. The period of Executive's employment under this Agreement with the
Company (i) shall  commence for an initial  period as of the Effective  Date and
remain in effect for one year.

     4. Compensation and Reimbursement of Expenses. For all services rendered by
Executive in any capacity  during  employment  under this Agreement  (including,
without  limitation,  services  as an  executive,  officer,  or  director of the
Company,  or any  subsidiary or affiliate of the Company,  or as a member of any
committee  of the  Board  of  Directors  of the  Company  or any  subsidiary  or
affiliate of the Company),  the Company shall pay Executive as compensation  (A)
an annual salary ("Base Salary") and (B) such bonus for such period,  if any, as
may be awarded to Executive from time to time pursuant to any Bonus Plan adopted
by the Company for its senior management or otherwise awarded by the Board or by
a committee  designated  by the Board.  Unless and until  adjusted in accordance
with regular Company  compensation  policies,  Base Salary shall be not less the
rate at which  Executive is compensated on the Effective Date. The Company shall
also reimburse Executive, in accordance with such policies and procedures as the
Board may  establish  from time to time,  for all  reasonable  travel  and other
expenses  incurred by Executive  in the  performance  of her or her  obligations
under this  Agreement.  Executive  shall also be entitled to  participate in any
benefit plans  established  by the Company for which Company  executives  are or
shall become eligible.

     5. Termination of Employment.  Executive's  employment under this Agreement
may be terminated by the Company or Executive as follows:

         (a)      Disability.
                  (i) If Executive fails to perform his or her duties under this
         Agreement  on account  of  Disability  (as  hereinafter  defined),  the
         Company may give notice to Executive to terminate  this  Agreement on a
         date not less than thirty (30) days thereafter  ("Notice  Period") and,
         if  Executive  has not resumed  full  performance  of his or her duties
         under this  Agreement  within  such  Notice  Period,  then  Executive's
         employment  under this Agreement will terminate on the date provided in
         the notice ("Disability Termination Date").
                  (ii)  During  any  period of  Disability,  the  Company  shall
         maintain and pay for health and other insurance  benefits for Executive
         at least equal to those he had at the commencement of such Disability.
                  (iii) As used in this Agreement,  the term "Disability"  shall
         mean the  complete  inability of Executive to perform his or her duties
         under  this  Agreement  by reason  of his or her  total  and  permanent
         disability, as determined by an independent physician selected with the
         approval of the Board and Executive. 

          (b) Death. If Executive dies while employed under this Agreement,  his
     or her employment under this Agreement will terminate as of the date of his
     or her death ("Date of Death").  Within  thirty (30) days after the Date of
     Death,   the  Company  shall  pay  to  Executive's   legal   representative
     Executive's  Base Salary as then in effect that has accrued to the last day
     of the month in which the Date of Death occurs. If the Executive dies while
     receiving  payments  pursuant to Section  5(c) below,  said  payment  shall
     continue  for the period  remaining  and shall be paid to the estate of the
     Executive.

          (c) Certain  Other  Events of  Termination.  In the event that (i) the
     Company  terminates  Executive's  employment  for any  reason  (other  than
     because of death,  Disability,  or "just cause" (as  hereinafter  defined),
     (ii) Executive terminates his or her employment with the Company because of
     the Company's material breach of this Agreement, (iii) Executive terminates
     his or her employment with the Company because  Executive's Base Salary, is
     reduced by an amount greater than 25% over the initial term of the contract
     from the amount on the Effective Date, (iv) Executive terminates his or her
     employment  with the Company because the Company  requires  Executive to be
     based  anywhere  other  than   Executive's   current   location  or  within
     seventy-five  (75)  miles  of the  Company's  principal  executive  offices
     (except for required  travel on the Company's  business),  or (v) Executive
     terminates his or her employment  with the Company because of a substantial
     reassignment  of duties and  responsibilities,  then the Company  shall pay
     Executive an amount equal to 12 months Base Salary paid in equal  bi-weekly
     payments over a period of one year commencing on the Executive  Termination
     Date and in accordance with the regular  payroll  practices of the Company.
     Payment  made  pursuant to this  paragraph  shall be the  exclusive  remedy
     provided  to  Executive  and  Executive  shall not be entitled to any other
     severance benefit that the Company may provide or adopt.

          (d)  Retirement.  Executive  shall be entitled to terminate his or her
     employment with the Company on, or at any date after, a date on which he is
     at least  sixty-five (65) years old. Any date on which Executive  elects to
     retire  shall be  referred  to as the  "Retirement  Termination  Date." The
     Company  shall pay to  Executive  his or her Base  Salary as then in effect
     that  has  accrued  to the last day of the  month in which  the  Retirement
     Termination Date occurs.


          (e)  Termination  by the Company  for Just Cause. 

                    (i) The Company may  terminate  Executive's  employment  for
               "just  cause" at any time by giving  written  notice  thereof  to
               Executive.  (Except as provided below, the date of such notice is
               the "Just Cause  Termination  Date" unless otherwise  provided in
               the  notice).  Within  thirty  (30)  days  after  the Just  Cause
               Termination  Date,  the Company shall pay to Executive his or her
               Base  Salary as then in effect that has accrued to the Just Cause
               Termination  Date. For the purposes of this  subparagraph,  "just
               cause" shall mean  termination  because of  Executive's  personal
               dishonesty,   willful  misconduct,   breach  of  fiduciary  duty,
               intentional  failure to perform stated duties,  willful violation
               of any law, rule or regulation (other than traffic  violations or
               similar  offenses),  or material  breach of any provision of this
               Agreement.  Unless otherwise  determined by the Board,  Executive
               shall have no right to  receive  compensation  or other  benefits
               under this Agreement after a termination for just cause.

                    (ii)  Notwithstanding the foregoing,  Executive shall not be
               deemed to have been  terminated  for just cause  pursuant to this
               Section 6(e) unless and until he shall have  received a copy of a
               resolution duly adopted by the affirmative  vote of a majority of
               the Board, at a meeting held for that purpose,  declaring that in
               the good faith opinion of the Board one or more of the conditions
               set forth in clause (i) of this  Section  6(e) has  occurred  and
               specifying the particulars thereof

     6. Confidential Information. Executive shall fully comply with and abide by
the provisions of the Company's  Employee Manual and other announced policies in
effect from time to time,  including those provisions relating to the protection
of the Company's confidential information.  The Company and Executive agree that
the foregoing  provision shall survive the termination of this Agreement for any
reason whatsoever. 

     7.  Covenant  Not To  Compete.  Executive  covenants  and agrees  that,  in
consideration  of the amounts to be paid Executive  hereunder and other good and
valuable  consideration,  for a period  of one (1)  year  beyond  the  Executive
Termination  Date,  Executive shall not be employed as an executive  officer of,
control, manage, or otherwise participate in the management of the business of a
"significant competitor" of the Company. The term "significant competitor" shall
mean any company or division of a company that, on Effective  Date,  directly or
indirectly, is materially (10% or more of its revenues) engaged in the operation
or  management  of a  health  maintenance  organization  or  any  other  similar
provider, payer or insurer for medical services. The Company and Executive agree
that the terms and conditions of this Section 7 shall survive the termination of
this Agreement following the Termination Date.

     8.  Indemnification.  Employee shall be entitled to  indemnification to the
full extent allowed by the Company's Certificate of Incorporation and Bylaws for
third  party  claims and to advances  for  expenses in  defending  against  such
claims.

     9.  General Provisions.
         (a) Entire Agreement.  This Agreement contains the entire understanding
between the parties hereto and supersedes any prior employment agreement between
the Company and Executive.
         (b) No Duty to  Mitigate.  Executive  shall not be required to mitigate
the amount of any  payment  provided  for in this  Agreement  by  seeking  other
employment or otherwise, nor shall any amounts received from other employment or
otherwise  by  Executive  offset in any manner the  obligations  of the  Company
hereunder.
         (c)  Nonassignability.  Neither this  Agreement nor any right,  remedy,
obligation or liability  arising  hereunder or by reason hereof is assignable by
Executive,  his or her  beneficiaries,  or  legal  representatives  without  the
Company's prior written consent; provided, however, that nothing in this Section
11(d) shall preclude (i) Executive from designating a beneficiary to receive any
benefit  payable  hereunder  upon  his or her  death,  or  (ii)  the  executors,
administrators, or other legal representatives of Executive or his or her estate
from assigning any rights hereunder to the person or persons entitled thereto.
         (d) Notices. All notices and other communications required or permitted
to be given under this Agreement shall be in writing and shall be deemed to have
been duly  given if  delivered  personally  or sent by  certified  mail,  return
receipt requested, first-class postage prepaid, to the parties to this Agreement
at the following addresses:
                  (i)      if to the Company at:
                           Mid Atlantic Medical Service, Inc.
                           4 Taft Court
                           Rockville, MD 20850
                           and
                  (ii) if to Executive at the address set forth on the signature
page. or to such other address as either party to this Agreement shall have last
designated  by notice to the other party.  All such  notices and  communications
shall be deemed to have been  received  on the earlier of the date of receipt or
the third business day after the date of mailing thereof.
         (e) Binding Effect;  Benefits. This Agreement shall be binding upon and
inure to the  benefit of the  parties  to this  Agreement  and their  respective
successors and permitted assigns. Nothing in this Agreement, express or implied,
is intended or shall be construed to give any person,  other than the parties to
this Agreement or their respective successors or permitted assigns, any legal or
equitable  right,  remedy,  or claim under or in respect of any agreement or any
provision contained herein.
         (f) Waiver.  No provision  of this  Agreement  may be amended,  waived,
discharged,  or  terminated  except by an  instrument in writing and executed by
each party.  Any waiver of enforcement of any provision of this Agreement  shall
not  operate or be  construed  as a  continuing  waiver or a waiver of any other
provisions unless expressly stated in such instrument.
         (g) Amendment. This Agreement may be terminated,  amended, modified, or
supplemented only by a written instrument executed by Executive and the Company.
         (h) Governing Law. This Agreement shall be governed by and construed in
accordance  with the law of the State of  Delaware,  regardless  of the law that
might be applied under principles of conflict of laws.
         (i) Severability.  If, for any reason,  any provision of this Agreement
is held invalid,  such  invalidity  shall not affect any other provision of this
Agreement not held so invalid,  and each such other provision shall, to the full
extent  consistent with law, continue in full force and effect. If any provision
of this Agreement shall be held invalid in part, such invalidity shall in no way
affect  the rest of such  provision  not held so  invalid,  and the rest of such
provision,  together with all other  provisions of this Agreement,  shall to the
full extent consistent with law continue in full force and effect.
         IN WITNESS  WHEREOF,  the  Company  has  caused  this  Agreement  to be
executed  and its seal to be affixed  hereunto by its  officers  thereunto  duly
authorized,  and  Executive has signed this  Agreement,  all as of the Effective
Date.
ATTEST:                                     MID ATLANTIC MEDICAL SERVICES, INC.
                                            By:
(Corporate Seal)                            Name:
                                            Title:
WITNESS                                     EXECUTIVE:



                                           Address: __________________________
                                        




                       MID ATLANTIC MEDICAL SERVICES, INC.
              NON-QUALIFIED STOCK OPTION AGREEMENT FOR EMPLOYEES


         AGREEMENT  ("Agreement")  dated the date indicated on the attached Face
Sheet,  by  and  between  Mid  Atlantic  Medical  Services,   Inc.,  a  Delaware
corporation  ("Corporation"),  and the person  indicated  on the  attached  Face
Sheet,  an  employee  of  the  Corporation   and/or  one  of  its   subsidiaries
("Optionee").

         WHEREAS,  the  Corporation  desires to have  Optionee  continue  in its
employ and to provide  Optionee  with an  incentive by sharing in the success of
the Corporation;

          WHEREAS, in order to provide such an incentive to its officers and key
employees,  the Corporation has adopted the Mid Atlantic Medical  Services,
Inc. 1999 Non-Qualified Stock Option Plan ("Plan");

         WHEREAS,  the  Corporation  desires to grant to Optionee under the Plan
options not intended to qualify as "incentive  stock options" within the meaning
of Section 422 or any successor  provision of the Internal Revenue Code of 1986,
as amended ("Code"); and

         WHEREAS,  unless otherwise  provided herein,  capitalized terms used in
this Agreement shall have the meaning given them in the Plan.

         NOW,   THEREFORE,   in   consideration  of  the  mutual  covenants  and
representations  herein contained and intending to be legally bound, the parties
hereto agree as follows:

         1. Number of Shares and Price.  The  Corporation  hereby  grants to the
Optionee an option  ("Option")  to purchase the number of shares of Common Stock
set forth on the attached Face Sheet of this  Agreement.  The exercise price per
share of Common  Stock of the  Option  shall be as is set forth on the  attached
Face Sheet of this  Agreement,  such price being the Fair Market Value per share
of Common  Stock on the Date of Grant of the Option.  The Option is not intended
to qualify as an "incentive stock option" under Section 422 of the Code.

         2. Term and  Exercise.  The Option shall expire five (5) years from the
date hereof,  subject to earlier  termination as set forth in Section 3. Subject
to the  provisions  of  Section  3,  the  Option  shall  become  exercisable  in
installments as set forth on the attached Face Sheet of this Agreement.

         3.       Exercise of Option Upon Termination of Employment.

             a)     Termination of Vested Option Upon Termination of Employment.

                           (i) Termination.  Upon the Optionee's  Termination of
                  Employment,  other than by reason of death or Disability,  the
                  Optionee  may,  within  three  months  from  the  date of such
                  Termination  of  Employment,  exercise  all or any part of the
                  Option  to the  extent  it was  exercisable  at  the  date  of
                  Termination  of  Employment.  In no event  may the  Option  be
                  exercised  later than the expiration date described in Section
                  2.

                           (ii) Disability. Upon the Optionee's Disability Date,
                  the Optionee may, within one year after such Disability  Date,
                  exercise  all or a part of the  Option,  whether or not it was
                  exercisable  on such  Disability  Date, but only to the extent
                  not previously exercised. In no event, however, may the Option
                  be  exercised  later than the  expiration  date  described  in
                  Section 2.

                           (iii)  Death.  In  the  event  of  the  death  of the
                  Optionee  while  employed by the  Corporation or a Subsidiary,
                  the right of the Optionee's Beneficiary to exercise the Option
                  in full  (whether  or not all or any  part of the  Option  was
                  exercisable  as of the date of death,  but only to the  extent
                  not previously  exercised) shall expire upon the expiration of
                  one year from the date of the Optionee's death or, if earlier,
                  on the date of expiration of the Option determined pursuant to
                  Section 2.

          (b)  Termination  of Unvested  Option Upon  Termination of Employment.
     Except as provided in Sections 3(a)(ii) and 3(a)(iii), to the extent all or
     any part of the Option was not exercisable as of the date of Termination of
     Employment,  the  unexercisable  portion of the Option  shall expire at the
     date of such Termination of Employment.

          (c) Change of Control.  Notwithstanding  anything  to the  contrary in
     Section 2 or this  Section 3, in the event one of the events  specified  in
     Section 8.05(d)(i),  (ii), (iii) or (iv) of the Plan occurs, the provisions
     of  such  Section   8.05(d)  shall   determine   when  the  Option  becomes
     exercisable, when it may be exercised and when it expires.

     4. Exercise  Procedures.  The Option shall be exercisable by written notice
to the  Corporation,  which must be received by the Secretary of the Corporation
not later than 5:00 P.M.  local time at the  principal  executive  office of the
Corporation on the expiration date of the Option.  Such written notice shall set
forth (a) the number of shares of Common  Stock being  purchased,  (b) the total
exercise  price for the shares of Common  Stock being  purchased,  (c) the exact
name as it should appear on the stock certificate(s) to be issued for the shares
of  Common  Stock  being  purchased,  and (d) the  address  to which  the  stock
certificate(s)  should be sent.  The  exercise  price of shares of Common  Stock
purchased  upon exercise of the Option shall be paid in full (a) in cash, (b) by
delivery to the  Corporation  of shares of Common Stock (which  shares of Common
Stock must have been held for at least six months),  (c) in any  combination  of
cash and shares of Common Stock, or (d) by delivery of such other  consideration
as the  Committee  deems  appropriate  and in  compliance  with  applicable  law
(including  payment in accordance with a cashless  exercise  program approved by
the  Committee).  In the  event  that  any  shares  of  Common  Stock  shall  be
transferred to the Corporation to satisfy all or any part of the exercise price,
the part of the exercise price deemed to have been satisfied by such transfer of
shares of Common Stock shall be equal to the product  derived by multiplying the
Fair  Market  Value as of the date of  exercise  times  the  number of shares of
Common Stock transferred to the Corporation. Any shares of Common Stock tendered
in payment shall be duly endorsed in blank or  accompanied  by stock powers duly
endorsed  in  blank.  The  Optionee  may  not  transfer  to the  Corporation  in
satisfaction of the exercise price any fraction of a share of Common Stock,  and
any portion of the exercise price that would represent less than a full share of
Common Stock must be paid in cash by the Optionee.  Subject to Section 8 hereof,
certificates  for the  purchased  shares of  Common  Stock  will be  issued  and
delivered  to the  Optionee  as soon as  practicable  after the  receipt of such
payment of the exercise  price;  provided,  however,  that  delivery of any such
shares of Common Stock shall be deemed  effected  for all purposes  when a stock
transfer agent of the Corporation  shall have deposited such certificates in the
United States mail, addressed to Optionee,  at the address set forth on the Face
Sheet of this  Agreement  or to such other  address as Optionee may from time to
time designate in a written notice to the Corporation. The Optionee shall not be
deemed for any purpose to be a shareholder of the  Corporation in respect of any
shares of Common Stock as to which the Option shall not have been exercised,  as
herein provided,  until such shares of Common Stock have been issued to Optionee
by the Corporation hereunder.

         5. Plan Provisions Control Option Terms;  Modifications.  The Option is
granted  pursuant  and  subject  to the terms and  conditions  of the Plan,  the
provisions  of which  are  incorporated  herein by  reference.  In the event any
provision of this Agreement  shall conflict with any of the terms in the Plan as
constituted  on the Date of Grant,  the terms of the Plan as  constituted on the
Date of Grant shall control. Except as provided in Section 8.05 of the Plan, the
Option shall not be modified  after the Date of Grant except by express  written
agreement between the Corporation and the Optionee;  provided, however, that any
such  modification (a) shall not be inconsistent with the terms of the Plan, and
(b) shall be approved by the Committee.

         6.  Limitations  on  Transfer.  The  Option  may  not  be  assigned  or
transferred  other than by will,  by the laws of  descent  and  distribution  or
pursuant to a qualified domestic relations order as defined by the Code, Title I
of ERISA or the rules thereunder.

         7. Taxes.  The  Corporation  shall be  entitled to withhold  (or secure
payment from the Optionee in lieu of withholding)  the amount of any withholding
or other tax  required  by law to be withheld  or paid by the  Corporation  with
respect to any shares of Common Stock  issuable  under this  Agreement,  and the
Corporation  may defer  issuance of shares of Common  Stock upon the exercise of
the Option unless the Corporation is indemnified to its satisfaction against any
liability for any such tax. The amount of such  withholding or tax payment shall
be  determined  by the  Committee  or its  delegate  and shall be payable by the
Optionee at such time as the Committee determines.  The Optionee may satisfy his
or her  tax  withholding  obligation  by  (a)  having  cash  withheld  from  the
Optionee's  salary  or  other  compensation  payable  by  the  Corporation  or a
Subsidiary,  (b) the  payment  of cash to the  Corporation,  (c) the  payment in
shares of Common  Stock  already  owned by the  Optionee  valued at Fair  Market
Value, and/or (d) the withholding from the Option, at the appropriate time, of a
number of shares of Common Stock sufficient, based upon the Fair Market Value of
such shares of Common Stock, to satisfy such tax withholding  requirements.  The
Committee shall be authorized, in its sole and absolute discretion, to establish
such rules and procedures  relating to any such withholding  methods as it deems
necessary or appropriate,  including,  without limitation,  rules and procedures
relating to elections to have shares of Common Stock  withheld  upon exercise of
the Option to meet such withholding obligations.

         8.  No  Exercise  in  Violation  of  Law.  Notwithstanding  any  of the
provisions of this Agreement, the Optionee hereby agrees that he or she will not
exercise  the  Option  granted  hereby,  and  that the  Corporation  will not be
obligated to issue any shares of Common Stock to the Optionee hereunder,  if the
exercise thereof or the issuance of such shares of Common Stock shall constitute
a violation by the Optionee or the  Corporation  of any  provision of any law or
regulation of any governmental  authority.  Any determination in this connection
by the Committee shall be final, binding and conclusive.

         9. Securities Law Compliance. The Optionee agrees, for the Optionee and
his or her  Beneficiaries,  with respect to all shares of Common Stock  acquired
pursuant  to the terms and  conditions  of the Plan and the Option (or any other
shares of Common  Stock  issued  pursuant  to a stock  dividend  or stock  split
thereon or any securities  issued in lieu thereof or in substitution or exchange
therefor),  that  the  Optionee  and his or her  Beneficiaries  will not sell or
otherwise  dispose of these shares except pursuant to an effective  registration
statement under the Securities Act of 1933, as amended (the "Act"), or except in
a  transaction  that, in the opinion of counsel for the  Corporation,  is exempt
from registration under the Act. Further,  the Corporation shall not be required
to sell or  issue  any  shares  under  the  Option  if,  in the  opinion  of the
Corporation, (a) the issuance of such shares would constitute a violation by the
Optionee  or  the  Corporation  of  any  applicable  law  or  regulation  of any
government  authority or (b) the consent or approval of any governmental body is
necessary or desirable as condition of, or in connection  with,  the issuance of
such shares.

         10.  Adjustments.  The  existence of the Option shall not affect in any
way the right or power of the  Corporation or its directors or  shareholders  to
make or authorize any or all adjustments, recapitalizations, reorganizations, or
other changes in the  Corporation's  capital  structure or its business,  or any
merger  or  consolidation  of  the  Corporation,   or  any  issuance  of  bonds,
debentures,  preferred stock or prior preference stock ahead of or affecting the
Common  Stock or the  rights  thereof,  or  dissolution  or  liquidation  of the
Corporation,  or any  sale  or  transfer  of all or any  part of its  assets  or
business,  or any  other  corporate  act or  proceeding,  whether  of a  similar
character or otherwise.

         11.  Dispute  Resolution.  As a condition of granting  the Option,  the
Optionee agrees, for the Optionee and his or her Beneficiaries, that any dispute
or  disagreement  that may arise under or as a result of or pursuant to the Plan
and the Option  shall be  determined  by the  Committee in its sole and absolute
discretion, and any interpretation by the Committee of the terms of the Plan and
Option shall be final, binding and conclusive.

         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement as
of the day and year first above written.

ATTEST:                             MID ATLANTIC MEDICAL SERVICES, INC.



__________________________          By:                                   
                                    Thomas P. Barbera, Interim
                                    President and Chief Executive Officer


                                     By:  
                                     Member of the Stock Option Committee

WITNESS:                            OPTIONEE


__________________________
                                                     (Signature)


<PAGE>




                                                                 



                                   FACE SHEET


Notice Addresses:

         Optionee:

                  ------------------------
                  4 Taft Court
                  Rockville, Maryland  20850

         Corporation:

                  Mid Atlantic Medical Services, Inc.
                  4 Taft Court
                  Rockville, Maryland  20850
                  Attention: Secretary

Grant Date:                                                   ___________


Total Options Granted:                                        ___________


Exercise Price Per Share of Common Stock:                     $__________


Vesting Schedule:

                                                     Number of Shares
                  Date                               (Non-Cumulative)


                  06/01/2000                                  ___
                  06/01/2001                                  ___
                  06/01/2002                                  ___


Expiration Date:

     Optioned  shares must be  purchased  within five (5) years from the date of
grant, which is _________. That is, all options must be exercised by __________.





                       MID ATLANTIC MEDICAL SERVICES, INC.
                STOCK OPTION AGREEMENT FOR NON-EMPLOYEE DIRECTORS


         AGREEMENT  ("Agreement") dated this 3rd day of May, 1999 by and between
Mid Atlantic Medical Services, Inc., a Delaware corporation ("Corporation"), and
the person indicated on the attached Face Sheet, a non-employee  director of the
Corporation and/or Physicians Health Plan of Maryland, Inc. ("Optionee").

         WHEREAS,  the Corporation desires to have Optionee continue to serve on
its Board of Directors  and to provide  Optionee with an incentive by sharing in
the success of the Corporation;

     WHEREAS,  in order to provide such an incentive  to its key  employees  and
non-employee  directors,  the Corporation  has adopted the Mid Atlantic  Medical
Services, Inc. 1999 Non-Qualified Stock Option Plan ("Plan");

         WHEREAS,  the option  granted  hereby is not  intended to qualify as an
"incentive  stock  option"  within the meaning of Section  422 or any  successor
provision of the Internal Revenue Code of 1986, as amended; and

         WHEREAS,  unless otherwise  provided herein,  capitalized terms used in
this Agreement shall have the meaning given them in the Plan;

         NOW,   THEREFORE,   in   consideration  of  the  mutual  covenants  and
representations  herein contained and intending to be legally bound, the parties
hereto agree as follows:

         1. Number of Shares and Price.  The  Corporation  hereby  grants to the
Optionee an option  ("Option")  to purchase the number of shares of Common Stock
set forth on the attached Face Sheet of this  Agreement.  The exercise price per
share of Common  Stock of the  Option  shall be as is set forth on the  attached
Face Sheet of this  Agreement,  such price being the Fair Market Value per share
of Common  Stock on the Date of Grant of the Option.  The Option is not intended
to qualify as an "incentive stock option" under Section 422 of the Code.

         2. Term and  Exercise.  The Option shall expire five (5) years from the
date hereof. The Option shall become exercisable in installments as set forth on
the attached  Face Sheet of this  Agreement;  provided,  however,  that,  if the
Optionee  is removed  for Cause,  the Option  shall  cease to continue to become
exercisable on or after the date of such removal. If the Optionee's service with
the  Corporation  terminates  for any reason or if the  Optionee  ceases to be a
Non-Employee  Director,  the Option  shall  continue  to become  exercisable  in
accordance  with the  preceding  sentence and may be exercised  until the Option
expires in accordance with the first sentence of this Section 2. Accordingly, if
the Optionee is removed for Cause, he or she may continue to exercise the Option
until the Option  expires in accordance  with the first sentence of this Section
2, but only to the extent that (a) the Option  became  exercisable  prior to the
date of such removal and (b) it was not previously exercised.

         Notwithstanding  anything  to the  contrary  in this  Section 2, in the
event one of the events specified in Section 8.05(d)(i),  (ii), (iii) or (iv) of
the Plan occurs, the provisions of such Section 8.05(d) shall determine when the
Option becomes exercisable, when it may be exercised and when it expires.

         3.  Exercise  Procedures.  The Option shall be  exercisable  by written
notice to the  Corporation,  which  must be  received  by the  Secretary  of the
Corporation  not later  than 5:00 P.M.  local  time at the  principal  executive
office of the  Corporation  on the expiration  date of the Option.  Such written
notice shall set forth (a) the number of shares of Common Stock being purchased,
(b) the total exercise price for the shares of Common Stock being purchased, (c)
the exact name as it should appear on the stock  certificate(s) to be issued for
the shares of Common  Stock  being  purchased,  and (d) the address to which the
stock  certificate(s)  should be sent.  The  exercise  price of shares of Common
Stock  purchased  upon exercise of the Option shall be paid in full (a) in cash,
(b) by delivery to the  Corporation  of shares of Common Stock (which  shares of
Common  Stock  must  have  been  held  for  at  least  six  months),  (c) in any
combination of cash and shares of Common Stock, or (d) by delivery of such other
consideration  as  the  Committee  deems  appropriate  and  in  compliance  with
applicable law (including payment in accordance with a cashless exercise program
approved by the  Committee).  In the event that any shares of Common Stock shall
be  transferred  to the  Corporation  to satisfy all or any part of the exercise
price,  the part of the  exercise  price  deemed to have been  satisfied by such
transfer  of shares of Common  Stock  shall be equal to the  product  derived by
multiplying the Fair Market Value as of the date of exercise times the number of
shares of Common  Stock  transferred  to the  Corporation.  Any shares of Common
Stock  tendered in payment  shall be duly  endorsed in blank or  accompanied  by
stock  powers  duly  endorsed in blank.  The  Optionee  may not  transfer to the
Corporation  in  satisfaction  of the exercise  price any fraction of a share of
Common Stock,  and any portion of the exercise  price that would  represent less
than a full share of Common Stock must be paid in cash by the Optionee.  Subject
to Section 7 hereof,  certificates for the purchased shares of Common Stock will
be issued and delivered to the Optionee as soon as practicable after the receipt
of such payment of the exercise price;  provided,  however, that delivery of any
such shares of Common Stock shall be deemed  effected  for all  purposes  when a
stock transfer agent of the Corporation  shall have deposited such  certificates
in the United  States mail,  addressed to Optionee,  at the address set forth on
the last page of this  Agreement  or to such other  address as Optionee may from
time to time  designate  in a written  notice to the  Corporation.  The Optionee
shall not be deemed for any purpose to be a shareholder  of the  Corporation  in
respect of any shares of Common Stock as to which the Option shall not have been
exercised,  as herein  provided,  until  such  shares of Common  Stock have been
issued to Optionee by the Corporation hereunder.

         4. Plan Provisions Control Option Terms;  Modifications.  The Option is
granted  pursuant  and  subject  to the terms and  conditions  of the Plan,  the
provisions  of which  are  incorporated  herein by  reference.  In the event any
provision of this Agreement  shall conflict with any of the terms in the Plan as
constituted  on the Date of Grant,  the terms of the Plan as  constituted on the
Date of Grant shall control. Except as provided in Section 8.05 of the Plan, the
Option shall not be modified  after the Date of Grant except by express  written
agreement between the Corporation and the Optionee;  provided, however, that any
such  modification (a) shall not be inconsistent with the terms of the Plan, and
(b) shall be approved by the Committee.

         5.  Limitations  on  Transfer.  The  Option  may  not  be  assigned  or
transferred  other than by will,  by the laws of descent  and  distribution,  or
pursuant to a qualified domestic relations order as defined by the Code, Title I
of ERISA or the rules thereunder.

         6. Taxes.  The  Corporation  shall be  entitled to withhold  (or secure
payment from the Optionee in lieu of withholding)  the amount of any withholding
or other tax  required  by law to be withheld  or paid by the  Corporation  with
respect to any shares of Common Stock  issuable  under this  Agreement,  and the
Corporation  may defer  issuance of shares of Common  Stock upon the exercise of
the Option unless the Corporation is indemnified to its satisfaction against any
liability for any such tax. The amount of such  withholding or tax payment shall
be  determined  by the  Committee  or its  delegate  and shall be payable by the
Optionee at such time as the Committee determines.  The Optionee may satisfy his
or her  tax  withholding  obligation  by  (a)  having  cash  withheld  from  the
Optionee's  salary  or  other  compensation  payable  by  the  Corporation  or a
Subsidiary,  (b) the  payment  of cash to the  Corporation,  (c) the  payment in
shares of Common  Stock  already  owned by the  Optionee  valued at Fair  Market
Value, and/or (d) the withholding from the Option, at the appropriate time, of a
number of shares of Common Stock sufficient, based upon the Fair Market Value of
such shares of Common Stock, to satisfy such tax withholding  requirements.  The
Committee shall be authorized, in its sole and absolute discretion, to establish
such rules and procedures  relating to any such withholding  methods as it deems
necessary or appropriate,  including,  without limitation,  rules and procedures
relating to elections to have shares of Common Stock  withheld  upon exercise of
the Option to meet such withholding obligations.

         7.  No  Exercise  in  Violation  of  Law.  Notwithstanding  any  of the
provisions of this Agreement, the Optionee hereby agrees that he or she will not
exercise  the  Option  granted  hereby,  and  that the  Corporation  will not be
obligated to issue any shares of Common Stock to the Optionee hereunder,  if the
exercise thereof or the issuance of such shares of Common Stock shall constitute
a violation by the Optionee or the  Corporation  of any  provision of any law or
regulation of any governmental  authority.  Any determination in this connection
by the Committee shall be final, binding and conclusive.

         8. Securities Law Compliance. The Optionee agrees, for the Optionee and
his or her  Beneficiaries,  with respect to all shares of Common Stock  acquired
pursuant  to the terms and  conditions  of the Plan and the Option (or any other
shares of Common  Stock  issued  pursuant  to a stock  dividend  or stock  split
thereon or any securities  issued in lieu thereof or in substitution or exchange
therefor),  that  the  Optionee  and his or her  Beneficiaries  will not sell or
otherwise  dispose of these shares except pursuant to an effective  registration
statement under the Securities Act of 1933, as amended (the "Act"), or except in
a  transaction  that, in the opinion of counsel for the  Corporation,  is exempt
from registration under the Act. Further,  the Corporation shall not be required
to sell or  issue  any  shares  under  the  Option  if,  in the  opinion  of the
Corporation, (a) the issuance of such shares would constitute a violation by the
Optionee  or  the  Corporation  of  any  applicable  law  or  regulation  of any
government  authority or (b) the consent or approval of any governmental body is
necessary or desirable as condition of, or in connection  with,  the issuance of
such shares.

         9. Adjustments. The existence of the Option shall not affect in any way
the right or power of the  Corporation or its directors or  shareholders to make
or authorize  any or all  adjustments,  recapitalizations,  reorganizations,  or
other changes in the  Corporation's  capital  structure or its business,  or any
merger  or  consolidation  of  the  Corporation,   or  any  issuance  of  bonds,
debentures,  preferred stock or prior preference stock ahead of or affecting the
Common  Stock or the  rights  thereof,  or  dissolution  or  liquidation  of the
Corporation,  or any  sale  or  transfer  of all or any  part of its  assets  or
business,  or any  other  corporate  act or  proceeding,  whether  of a  similar
character or otherwise.

         10.  Dispute  Resolution.  As a condition of granting  the Option,  the
Optionee agrees, for the Optionee and his or her Beneficiaries, that any dispute
or  disagreement  that may arise under or as a result of or pursuant to the Plan
and the Option  shall be  determined  by the  Committee in its sole and absolute
discretion, and any interpretation by the Committee of the terms of the Plan and
Option shall be final, binding and conclusive.



<PAGE>


         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement as
of the day and year first above written.

ATTEST:                             MID ATLANTIC MEDICAL SERVICES, INC.


__________________________          By: 
                                       Thomas P. Barbera, Interim
                                       President and Chief Executive Officer


                                    By:
                                       Member of the Stock Option Committee

WITNESS:                            OPTIONEE

__________________________ 



<PAGE>





                                                      

                                   FACE SHEET

Notice Addresses:

         Optionee:

                  -----------------------
                  4 Taft Court
                  Rockville, Maryland 20850

         Corporation:

                  Mid Atlantic Medical Services, Inc.
                  4 Taft Court
                  Rockville, Maryland 20850
                  Attention:  Secretary

Grant Date:                                 _________________

Total Options Granted:                      _________________

Exercise Price per share of Common Stock:   $________________

Vesting Schedule:
                                            Number of Shares
         Date                               (Non-Cumulative)

         05/03/2000                                ___
         05/03/2001                                ___
         05/03/2002                                ___


Expiration Date:

         Optioned  shares must be  purchased  within five years from the date of
grant,  which is May 3, 1999.  That is, all options  must be exercised by May 3,
2004.


                           SUBSIDIARIES OF THE COMPANY
                             AS OF DECEMBER 31, 1998

1.  MID ATLANTIC MEDICAL SERVICES, INC. ("MAMSI"):  MAMSI, a Delaware
corporation, is the holding company for the subsidiaries listed below.

2.  ALLIANCE PPO, LLC ("Alliance"):  Owned 100 percent by MAMSI (1).
Alliance, a Maryland corporation, provides a delivery network of physicians
(called a preferred provider organization or "PPO") to employers and insurance
companies in association with various health plans.

3.  MAMSI INSURANCE AGENCY OF THE CAROLINAS, INC. ("MIACI"):  Owned 100
percent by Alliance (2).  MIACI, a North Carolina Corporation, contracts with
marketing representatives to sell MAMSI products in North Carolina and South
Carolina.

4. MAMSI LIFE AND HEALTH INSURANCE COMPANY ("MAMSI Life"):  Owned 100 percent by
MAMSI(1).  MAMSI Life, a Maryland  corporation,  develops and markets  indemnity
health products in addition to life, accidental death and disability insurance.

5.  MD-INDIVIDUAL  PRACTICE  ASSOCIATION,  INC. (M.D. IPA"): Owned 77 percent by
PHYSICIANS HEALTH PLAN OF MARYLAND,  INC. (11) and 23 percent by MAMSI (1). M.D.
IPA,  a  Maryland  corporation,  is a health  maintenance  organization  ("HMO")
providing health care coverage for its members.

6. MD-IPA SURGICENTER, INC. ("Surgicenter"):  Owned 100 percent by M.D. IPA
(5).  Surgicenter, a Maryland corporation, is a general partner in a
partnership that in turn is the general partner in a limited partnership that
operates a surgery center.

7.  MID ATLANTIC PSYCHIATRIC SERVICES, INC. ("MAPSI"):  Owned 100 percent by
MAMSI (1).  MAPSI, a Maryland corporation, provides psychiatric services to
third party payors or self-insured employer groups.

8. NATIONAL MANAGED CARE, INC. ("NMCI"):  owned 78 percent by MAMSI (1). NMCI, a
Delaware  corporation,  markets  health care services with  individual  practice
association ("IPA") model HMOs throughout the U.S.

9.  OPTIMUM CHOICE, INC. ("OCI"):  Owned 100 percent by MAMSI (1).  OCI, a
Maryland corporation, is an HMO providing health care coverage for its
members.

10. OPTIMUM CHOICE OF THE CAROLINAS,  INC. ("OCCI"):  Owned 100 percent by MAMSI
(1).  OCCI,  a North  Carolina  corporation,  is an HMO  providing  health  care
coverage to members who are in North Carolina and South Carolina.

11. PHYSICIANS HEALTH PLAN OF MARYLAND,  INC.  ("PHP-MD"):  Owned 100 percent by
MAMSI (1). PHP-MD, a Maryland  corporation,  is an IPA that provides health care
services to certain of MAMSI's HMOs.

12. HOMECALL,  INC.  ("HomeCall"):  Owned 100 percent by MAMSI (1). HomeCall,  a
Maryland  corporation,  provides in-home medical care including  skilled nursing
and therapy to MAMSI'S HMO members and other payors.

13.  HOMECALL PHARMACEUTICAL SERVICES, INC. ("HPS"):  Owned 100 percent by
MAMSI (1).  HPS, a Maryland corporation, providing infusion services to
MAMSI's HMO members and other payors.

14.  FIRSTCALL,  INC.  ("FirstCall"):  Owned 100 percent by HomeCall  (12) and a
Maryland corporation.

15.  HOMECALL HOSPICE SERVICES, INC. ("Hospice"):  Owned 100 percent by MAMSI
(1).  Hospice, a Maryland corporation, that provides services to the
terminally ill.

16.  OPTIMUM CHOICE, INC. OF PENNSYLVANIA ("OCIPA"):  Owned 100 percent by
MAMSI (1).  OCIPA, a Pennsylvania corporation, is an HMO providing health care
coverage to members in Pennsylvania.

17.  MAMSI INSURANCE RESOURCES, INC. ("MIRI"):  Owned 100 percent by Alliance
(2).  MIRI, a Maryland corporation, provides marketing personnel.





                       CONSENT OF INDEPENDENT AUDITORS


     We consent to the  incorporation  by  reference in  Registration  Statement
     Number in Registration  Statement  Number 33-47593 on Form S-8 dated May 1,
     1992, in Registration Statement Number 33-61896 on Form S-8 dated April 29,
     1993, in Registration Statement Number 33-78258 on Form S-8 dated April 28,
     1994, in Registration Statement Number 33-91294 on Form S-8 dated April 17,
     1995,  Registration  Statement  Number 33-02531 on Form S-8 dated April 16,
     1996,  Registration  Statement  Number 33-50275 on Form S-8 dated April 16,
     1998, and in Registration Statement Number 33-XXXXX on Form S-8 dated March
     26,  1999 of our  report  dated  February  24,  1999,  with  respect to the
     consolidated  financial  statements  and schedule of Mid  Atlantic  Medical
     Services,  Inc. and subsidiaries included in the Annual Report on Form 10-K
     for the year ended December 31, 1998.




                                                   /s/ Ernst & Young LLP
Washington, D.C.                                   ---------------------
March 23, 1999                                       Ernst & Young LLP



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